diff --git a/src/registrar/admin.py b/src/registrar/admin.py
index 18c1052fc..423c0a01b 100644
--- a/src/registrar/admin.py
+++ b/src/registrar/admin.py
@@ -9,8 +9,6 @@ from django.db.models.functions import Concat, Coalesce
 from django.http import HttpResponseRedirect
 from django.shortcuts import redirect
 from django_fsm import get_available_FIELD_transitions, FSMField
-from registrar.models.domain_group import DomainGroup
-from registrar.models.suborganization import Suborganization
 from registrar.models.utility.portfolio_helper import UserPortfolioPermissionChoices, UserPortfolioRoleChoices
 from waffle.decorators import flag_is_active
 from django.contrib import admin, messages
@@ -23,6 +21,7 @@ from registrar.models.user_domain_role import UserDomainRole
 from waffle.admin import FlagAdmin
 from waffle.models import Sample, Switch
 from registrar.models import Contact, Domain, DomainRequest, DraftDomain, User, Website, SeniorOfficial
+from registrar.utility.constants import BranchChoices
 from registrar.utility.errors import FSMDomainRequestError, FSMErrorCodes
 from registrar.views.utility.mixins import OrderableFieldsMixin
 from django.contrib.admin.views.main import ORDER_VAR
@@ -39,7 +38,7 @@ from import_export import resources
 from import_export.admin import ImportExportModelAdmin
 from django.core.exceptions import ObjectDoesNotExist
 from django.contrib.admin.widgets import FilteredSelectMultiple
-
+from django.utils.html import format_html
 from django.utils.translation import gettext_lazy as _
 
 logger = logging.getLogger(__name__)
@@ -2864,16 +2863,112 @@ class VerifiedByStaffAdmin(ListHeaderAdmin):
 
 
 class PortfolioAdmin(ListHeaderAdmin):
-
     change_form_template = "django/admin/portfolio_change_form.html"
+    fieldsets = [
+        # created_on is the created_at field, and portfolio_type is f"{organization_type} - {federal_type}"
+        (None, {"fields": ["portfolio_type", "organization_name", "creator", "created_on", "notes"]}),
+        # TODO - uncomment in #2521
+        # ("Portfolio members", {
+        #     "classes": ("collapse", "closed"),
+        #     "fields": ["administrators", "members"]}
+        # ),
+        ("Portfolio domains", {"classes": ("collapse", "closed"), "fields": ["domains", "domain_requests"]}),
+        ("Type of organization", {"fields": ["organization_type", "federal_type"]}),
+        (
+            "Organization name and mailing address",
+            {
+                "fields": [
+                    "federal_agency",
+                    "state_territory",
+                    "address_line1",
+                    "address_line2",
+                    "city",
+                    "zipcode",
+                    "urbanization",
+                ]
+            },
+        ),
+        ("Suborganizations", {"fields": ["suborganizations"]}),
+        ("Senior official", {"fields": ["senior_official"]}),
+    ]
+
+    # This is the fieldset display when adding a new model
+    add_fieldsets = [
+        (None, {"fields": ["organization_name", "creator", "notes"]}),
+        ("Type of organization", {"fields": ["organization_type"]}),
+        (
+            "Organization name and mailing address",
+            {
+                "fields": [
+                    "federal_agency",
+                    "state_territory",
+                    "address_line1",
+                    "address_line2",
+                    "city",
+                    "zipcode",
+                    "urbanization",
+                ]
+            },
+        ),
+        ("Senior official", {"fields": ["senior_official"]}),
+    ]
 
     list_display = ("organization_name", "federal_agency", "creator")
     search_fields = ["organization_name"]
     search_help_text = "Search by organization name."
     readonly_fields = [
-        "creator",
+        # This is the created_at field
+        "created_on",
+        # Custom fields such as these must be defined as readonly.
+        "federal_type",
+        "domains",
+        "domain_requests",
+        "suborganizations",
+        "portfolio_type",
     ]
 
+    def federal_type(self, obj: models.Portfolio):
+        """Returns the federal_type field"""
+        return BranchChoices.get_branch_label(obj.federal_type) if obj.federal_type else "-"
+
+    federal_type.short_description = "Federal type"  # type: ignore
+
+    def created_on(self, obj: models.Portfolio):
+        """Returns the created_at field, with a different short description"""
+        # Format: Dec 12, 2024
+        return obj.created_at.strftime("%b %d, %Y") if obj.created_at else "-"
+
+    created_on.short_description = "Created on"  # type: ignore
+
+    def portfolio_type(self, obj: models.Portfolio):
+        """Returns the portfolio type, or "-" if the result is empty"""
+        return obj.portfolio_type if obj.portfolio_type else "-"
+
+    portfolio_type.short_description = "Portfolio type"  # type: ignore
+
+    def suborganizations(self, obj: models.Portfolio):
+        """Returns a list of links for each related suborg"""
+        queryset = obj.get_suborganizations()
+        return self.get_field_links_as_list(queryset, "suborganization")
+
+    suborganizations.short_description = "Suborganizations"  # type: ignore
+
+    def domains(self, obj: models.Portfolio):
+        """Returns a list of links for each related domain"""
+        queryset = obj.get_domains()
+        return self.get_field_links_as_list(
+            queryset, "domaininformation", link_info_attribute="get_state_display_of_domain"
+        )
+
+    domains.short_description = "Domains"  # type: ignore
+
+    def domain_requests(self, obj: models.Portfolio):
+        """Returns a list of links for each related domain request"""
+        queryset = obj.get_domain_requests()
+        return self.get_field_links_as_list(queryset, "domainrequest", link_info_attribute="get_status_display")
+
+    domain_requests.short_description = "Domain requests"  # type: ignore
+
     # Creates select2 fields (with search bars)
     autocomplete_fields = [
         "creator",
@@ -2881,17 +2976,91 @@ class PortfolioAdmin(ListHeaderAdmin):
         "senior_official",
     ]
 
+    def get_field_links_as_list(
+        self, queryset, model_name, attribute_name=None, link_info_attribute=None, seperator=None
+    ):
+        """
+        Generate HTML links for items in a queryset, using a specified attribute for link text.
+
+        Args:
+            queryset: The queryset of items to generate links for.
+            model_name: The model name used to construct the admin change URL.
+            attribute_name: The attribute or method name to use for link text. If None, the item itself is used.
+            link_info_attribute: Appends f"({value_of_attribute})" to the end of the link.
+            separator: The separator to use between links in the resulting HTML.
+            If none, an unordered list is returned.
+
+        Returns:
+            A formatted HTML string with links to the admin change pages for each item.
+        """
+        links = []
+        for item in queryset:
+
+            # This allows you to pass in attribute_name="get_full_name" for instance.
+            if attribute_name:
+                item_display_value = self.value_of_attribute(item, attribute_name)
+            else:
+                item_display_value = item
+
+            if item_display_value:
+                change_url = reverse(f"admin:registrar_{model_name}_change", args=[item.pk])
+
+                link = f'<a href="{change_url}">{escape(item_display_value)}</a>'
+                if link_info_attribute:
+                    link += f" ({self.value_of_attribute(item, link_info_attribute)})"
+
+                if seperator:
+                    links.append(link)
+                else:
+                    links.append(f"<li>{link}</li>")
+
+        # If no seperator is specified, just return an unordered list.
+        if seperator:
+            return format_html(seperator.join(links)) if links else "-"
+        else:
+            links = "".join(links)
+            return format_html(f'<ul class="add-list-reset">{links}</ul>') if links else "-"
+
+    def value_of_attribute(self, obj, attribute_name: str):
+        """Returns the value of getattr if the attribute isn't callable.
+        If it is, execute the underlying function and return that result instead."""
+        value = getattr(obj, attribute_name)
+        if callable(value):
+            value = value()
+        return value
+
+    def get_fieldsets(self, request, obj=None):
+        """Override of the default get_fieldsets definition to add an add_fieldsets view"""
+        # This is the add view if no obj exists
+        if not obj:
+            return self.add_fieldsets
+        return super().get_fieldsets(request, obj)
+
+    def get_readonly_fields(self, request, obj=None):
+        """Set the read-only state on form elements.
+        We have 2 conditions that determine which fields are read-only:
+        admin user permissions and the creator's status, so
+        we'll use the baseline readonly_fields and extend it as needed.
+        """
+        readonly_fields = list(self.readonly_fields)
+
+        # Check if the creator is restricted
+        if obj and obj.creator.status == models.User.RESTRICTED:
+            # For fields like CharField, IntegerField, etc., the widget used is
+            # straightforward and the readonly_fields list can control their behavior
+            readonly_fields.extend([field.name for field in self.model._meta.fields])
+
+        if request.user.has_perm("registrar.full_access_permission"):
+            return readonly_fields
+
+        # Return restrictive Read-only fields for analysts and
+        # users who might not belong to groups
+        readonly_fields.extend([field for field in self.analyst_readonly_fields])
+        return readonly_fields
+
     def change_view(self, request, object_id, form_url="", extra_context=None):
         """Add related suborganizations and domain groups"""
-        obj = self.get_object(request, object_id)
-
-        # ---- Domain Groups
-        domain_groups = DomainGroup.objects.filter(portfolio=obj)
-
-        # ---- Suborganizations
-        suborganizations = Suborganization.objects.filter(portfolio=obj)
-
-        extra_context = {"domain_groups": domain_groups, "suborganizations": suborganizations}
+        extra_context = {"skip_additional_contact_info": True}
         return super().change_view(request, object_id, form_url, extra_context)
 
     def save_model(self, request, obj, form, change):
diff --git a/src/registrar/assets/js/get-gov-admin.js b/src/registrar/assets/js/get-gov-admin.js
index 93b8359bf..01c93abf6 100644
--- a/src/registrar/assets/js/get-gov-admin.js
+++ b/src/registrar/assets/js/get-gov-admin.js
@@ -765,20 +765,22 @@ function initializeWidgetOnList(list, parentId) {
 */
 (function dynamicPortfolioFields(){
 
+    // the federal agency change listener fires on page load, which we don't want.
+    var isInitialPageLoad = true
+
+    // This is the additional information that exists beneath the SO element.
+    var contactList = document.querySelector(".field-senior_official .dja-address-contact-list");
     document.addEventListener('DOMContentLoaded', function() {
-        
+
         let isPortfolioPage = document.getElementById("portfolio_form");
         if (!isPortfolioPage) {
             return;
         }
-        
+
         // $ symbolically denotes that this is using jQuery
         let $federalAgency = django.jQuery("#id_federal_agency");
         let organizationType = document.getElementById("id_organization_type");
         if ($federalAgency && organizationType) {
-            // Execute this function once on load
-            handleFederalAgencyChange($federalAgency, organizationType);
-
             // Attach the change event listener
             $federalAgency.on("change", function() {
                 handleFederalAgencyChange($federalAgency, organizationType);
@@ -800,6 +802,12 @@ function initializeWidgetOnList(list, parentId) {
     });
 
     function handleFederalAgencyChange(federalAgency, organizationType) {
+        // Don't do anything on page load
+        if (isInitialPageLoad) {
+            isInitialPageLoad = false;
+            return;
+        }
+
         // Set the org type to federal if an agency is selected
         let selectedText = federalAgency.find("option:selected").text();
 
@@ -825,6 +833,10 @@ function initializeWidgetOnList(list, parentId) {
             return;
         }
 
+        // Hide the contactList initially. 
+        // If we can update the contact information, it'll be shown again.
+        hideElement(contactList.parentElement);
+
         let seniorOfficialApi = document.getElementById("senior_official_from_agency_json_url").value;
         fetch(`${seniorOfficialApi}?agency_name=${selectedText}`)
         .then(response => {
@@ -843,6 +855,10 @@ function initializeWidgetOnList(list, parentId) {
                 return;
             }
 
+            // Update the "contact details" blurb beneath senior official
+            updateContactInfo(data);
+            showElement(contactList.parentElement);
+
             let seniorOfficialId = data.id;
             let seniorOfficialName = [data.first_name, data.last_name].join(" ");
             if (!seniorOfficialId || !seniorOfficialName || !seniorOfficialName.trim()){
@@ -873,4 +889,35 @@ function initializeWidgetOnList(list, parentId) {
             hideElement(urbanizationField)
         }
     }
+
+    function updateContactInfo(data) {
+        if (!contactList) return;
+    
+        const titleSpan = contactList.querySelector("#contact_info_title");
+        const emailSpan = contactList.querySelector("#contact_info_email");
+        const phoneSpan = contactList.querySelector("#contact_info_phone");
+    
+        if (titleSpan) { 
+            titleSpan.textContent = data.title || "None";
+        };
+
+        // Update the email field and the content for the clipboard
+        if (emailSpan) {
+            let copyButton = contactList.querySelector(".admin-icon-group");
+            emailSpan.textContent = data.email || "None";
+            if (data.email) {
+                const clipboardInput = contactList.querySelector(".admin-icon-group input");
+                if (clipboardInput) {
+                    clipboardInput.value = data.email;
+                };
+                showElement(copyButton);
+            }else {
+                hideElement(copyButton);
+            }
+        }
+
+        if (phoneSpan) {
+            phoneSpan.textContent = data.phone || "None";
+        };
+    }
 })();
diff --git a/src/registrar/assets/sass/_theme/_admin.scss b/src/registrar/assets/sass/_theme/_admin.scss
index 711bfe960..8ca6b5465 100644
--- a/src/registrar/assets/sass/_theme/_admin.scss
+++ b/src/registrar/assets/sass/_theme/_admin.scss
@@ -847,3 +847,8 @@ div.dja__model-description{
         }
     }
 }
+
+ul.add-list-reset {
+    padding: 0 !important;
+    margin: 0 !important;
+}
diff --git a/src/registrar/migrations/0118_alter_portfolio_options_alter_portfolio_creator_and_more.py b/src/registrar/migrations/0118_alter_portfolio_options_alter_portfolio_creator_and_more.py
new file mode 100644
index 000000000..8f84187a2
--- /dev/null
+++ b/src/registrar/migrations/0118_alter_portfolio_options_alter_portfolio_creator_and_more.py
@@ -0,0 +1,50 @@
+# Generated by Django 4.2.10 on 2024-08-15 15:32
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("registrar", "0117_alter_portfolioinvitation_portfolio_additional_permissions_and_more"),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name="portfolio",
+            options={"ordering": ["organization_name"]},
+        ),
+        migrations.AlterField(
+            model_name="portfolio",
+            name="creator",
+            field=models.ForeignKey(
+                on_delete=django.db.models.deletion.PROTECT,
+                related_name="created_portfolios",
+                to=settings.AUTH_USER_MODEL,
+                verbose_name="Portfolio creator",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="portfolio",
+            name="organization_name",
+            field=models.CharField(blank=True, null=True, verbose_name="Portfolio organization"),
+        ),
+        migrations.AlterField(
+            model_name="portfolio",
+            name="senior_official",
+            field=models.ForeignKey(
+                blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, to="registrar.seniorofficial"
+            ),
+        ),
+        migrations.AlterField(
+            model_name="suborganization",
+            name="portfolio",
+            field=models.ForeignKey(
+                on_delete=django.db.models.deletion.PROTECT,
+                related_name="portfolio_suborganizations",
+                to="registrar.portfolio",
+            ),
+        ),
+    ]
diff --git a/src/registrar/models/domain_information.py b/src/registrar/models/domain_information.py
index 894bbe6fe..bdd67e582 100644
--- a/src/registrar/models/domain_information.py
+++ b/src/registrar/models/domain_information.py
@@ -424,3 +424,10 @@ class DomainInformation(TimeStampedModel):
     def _get_many_to_many_fields():
         """Returns a set of each field.name that has the many to many relation"""
         return {field.name for field in DomainInformation._meta.many_to_many}  # type: ignore
+
+    def get_state_display_of_domain(self):
+        """Returns the state display of the underlying domain record"""
+        if self.domain:
+            return self.domain.get_state_display()
+        else:
+            return None
diff --git a/src/registrar/models/portfolio.py b/src/registrar/models/portfolio.py
index 484c45e8c..0f9904c31 100644
--- a/src/registrar/models/portfolio.py
+++ b/src/registrar/models/portfolio.py
@@ -2,6 +2,7 @@ from django.db import models
 
 from registrar.models.domain_request import DomainRequest
 from registrar.models.federal_agency import FederalAgency
+from registrar.utility.constants import BranchChoices
 
 from .utility.time_stamped_model import TimeStampedModel
 
@@ -12,6 +13,10 @@ class Portfolio(TimeStampedModel):
     manageable groups.
     """
 
+    # Addresses the UnorderedObjectListWarning
+    class Meta:
+        ordering = ["organization_name"]
+
     # use the short names in Django admin
     OrganizationChoices = DomainRequest.OrganizationChoices
     StateTerritoryChoices = DomainRequest.StateTerritoryChoices
@@ -21,11 +26,25 @@ class Portfolio(TimeStampedModel):
     creator = models.ForeignKey(
         "registrar.User",
         on_delete=models.PROTECT,
-        help_text="Associated user",
+        verbose_name="Portfolio creator",
         related_name="created_portfolios",
         unique=False,
     )
 
+    organization_name = models.CharField(
+        null=True,
+        blank=True,
+        verbose_name="Portfolio organization",
+    )
+
+    organization_type = models.CharField(
+        max_length=255,
+        choices=OrganizationChoices.choices,
+        null=True,
+        blank=True,
+        help_text="Type of organization",
+    )
+
     notes = models.TextField(
         null=True,
         blank=True,
@@ -42,25 +61,11 @@ class Portfolio(TimeStampedModel):
     senior_official = models.ForeignKey(
         "registrar.SeniorOfficial",
         on_delete=models.PROTECT,
-        help_text="Associated senior official",
         unique=False,
         null=True,
         blank=True,
     )
 
-    organization_type = models.CharField(
-        max_length=255,
-        choices=OrganizationChoices.choices,
-        null=True,
-        blank=True,
-        help_text="Type of organization",
-    )
-
-    organization_name = models.CharField(
-        null=True,
-        blank=True,
-    )
-
     address_line1 = models.CharField(
         null=True,
         blank=True,
@@ -109,7 +114,7 @@ class Portfolio(TimeStampedModel):
     )
 
     def __str__(self) -> str:
-        return f"{self.organization_name}"
+        return str(self.organization_name)
 
     def save(self, *args, **kwargs):
         """Save override for custom properties"""
@@ -119,3 +124,35 @@ class Portfolio(TimeStampedModel):
             self.urbanization = None
 
         super().save(*args, **kwargs)
+
+    @property
+    def portfolio_type(self):
+        """
+        Returns a combination of organization_type / federal_type, seperated by ' - '.
+        If no federal_type is found, we just return the org type.
+        """
+        org_type_label = self.OrganizationChoices.get_org_label(self.organization_type)
+        agency_type_label = BranchChoices.get_branch_label(self.federal_type)
+        if self.organization_type == self.OrganizationChoices.FEDERAL and agency_type_label:
+            return " - ".join([org_type_label, agency_type_label])
+        else:
+            return org_type_label
+
+    @property
+    def federal_type(self):
+        """Returns the federal_type value on the underlying federal_agency field"""
+        return self.federal_agency.federal_type if self.federal_agency else None
+
+    # == Getters for domains == #
+    def get_domains(self):
+        """Returns all DomainInformations associated with this portfolio"""
+        return self.information_portfolio.all()
+
+    def get_domain_requests(self):
+        """Returns all DomainRequests associated with this portfolio"""
+        return self.DomainRequest_portfolio.all()
+
+    # == Getters for suborganization == #
+    def get_suborganizations(self):
+        """Returns all suborganizations associated with this portfolio"""
+        return self.portfolio_suborganizations.all()
diff --git a/src/registrar/models/suborganization.py b/src/registrar/models/suborganization.py
index b1e010953..feeee0669 100644
--- a/src/registrar/models/suborganization.py
+++ b/src/registrar/models/suborganization.py
@@ -16,6 +16,7 @@ class Suborganization(TimeStampedModel):
     portfolio = models.ForeignKey(
         "registrar.Portfolio",
         on_delete=models.PROTECT,
+        related_name="portfolio_suborganizations",
     )
 
     def __str__(self) -> str:
diff --git a/src/registrar/templates/django/admin/includes/contact_detail_list.html b/src/registrar/templates/django/admin/includes/contact_detail_list.html
index 418d1464b..7cc72e8e1 100644
--- a/src/registrar/templates/django/admin/includes/contact_detail_list.html
+++ b/src/registrar/templates/django/admin/includes/contact_detail_list.html
@@ -1,6 +1,7 @@
 {% load i18n static %}
+{% load custom_filters %}
 
-<address class="{% if no_title_top_padding %}margin-top-neg-1__detail-list{% endif %} {% if user.has_contact_info %}margin-bottom-1{% endif %} dja-address-contact-list">
+<address class="{% if no_title_top_padding %}margin-top-neg-1__detail-list{% endif %} {% if user|has_contact_info %}margin-bottom-1{% endif %} dja-address-contact-list">
 
 
     {% if show_formatted_name %}
@@ -9,10 +10,10 @@
         {% else %}
             None
         {% endif %}
+        </br>
     {% endif %}
-    </br>
 
-    {% if user.has_contact_info %}
+    {% if user|has_contact_info %}
         {# Title #}
         {% if user.title %}
             <span id="contact_info_title">{{ user.title }}</span>
@@ -42,7 +43,7 @@
         No additional contact information found.<br>
     {% endif %}
 
-    {% if user_verification_type %}
+    {% if user_verification_type and not skip_additional_contact_info %}
         <span id="contact_info_phone">{{ user_verification_type }}</span>
     {% endif %}
 </address>
diff --git a/src/registrar/templates/django/admin/includes/detail_table_fieldset.html b/src/registrar/templates/django/admin/includes/detail_table_fieldset.html
index 067b69c07..683f33117 100644
--- a/src/registrar/templates/django/admin/includes/detail_table_fieldset.html
+++ b/src/registrar/templates/django/admin/includes/detail_table_fieldset.html
@@ -184,7 +184,9 @@ This is using a custom implementation fieldset.html (see admin/fieldset.html)
         <label aria-label="Creator contact details"></label>
             {% include "django/admin/includes/contact_detail_list.html" with user=original_object.creator no_title_top_padding=field.is_readonly user_verification_type=original_object.creator.get_verification_type_display%}
         </div>
-        {% include "django/admin/includes/user_detail_list.html" with user=original_object.creator no_title_top_padding=field.is_readonly %}
+        {% if not skip_additional_contact_info %}
+            {% include "django/admin/includes/user_detail_list.html" with user=original_object.creator no_title_top_padding=field.is_readonly %}
+        {% endif%}
     {% elif field.field.name == "submitter" %}
         <div class="flex-container tablet:margin-top-2">
         <label aria-label="Submitter contact details"></label>
diff --git a/src/registrar/templates/django/admin/portfolio_change_form.html b/src/registrar/templates/django/admin/portfolio_change_form.html
index f6382758b..9d59aae42 100644
--- a/src/registrar/templates/django/admin/portfolio_change_form.html
+++ b/src/registrar/templates/django/admin/portfolio_change_form.html
@@ -8,34 +8,16 @@
     {{ block.super }}
 {% endblock content %}
 
-{% block after_related_objects %}
-    <div class="module aligned padding-3">
-        <h2>Associated groups and suborganizations</h2>
-        <div class="grid-row grid-gap mobile:padding-x-1 desktop:padding-x-4">
-            <div class="mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-4">
-                <h3>Domain groups</h3>
-                <ul class="margin-0 padding-0">
-                {% for domain_group in domain_groups %}
-                    <li>
-                        <a href="{% url 'admin:registrar_domaingroup_change' domain_group.pk %}">
-                            {{ domain_group.name }}
-                        </a>
-                    </li>
-                {% endfor %}
-                </ul>
-            </div>    
-            <div class="mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-4">
-                <h3>Suborganizations</h3>
-                <ul class="margin-0 padding-0">
-                {% for suborg in suborganizations %}
-                    <li>
-                        <a href="{% url 'admin:registrar_suborganization_change' suborg.pk %}">
-                            {{ suborg.name }}
-                        </a>
-                    </li>
-                {% endfor %}
-                </ul>
-            </div>
-        </div>
-    </div>
+{% block field_sets %}
+    {% for fieldset in adminform %}
+        {% comment %}
+        This is a placeholder for now.
+
+        Disclaimer:
+        When extending the fieldset view - *make a new one* that extends from detail_table_fieldset.
+        For instance, "portfolio_fieldset.html".
+        detail_table_fieldset is used on multiple admin pages, so a change there can have unintended consequences.
+        {% endcomment %}
+        {% include "django/admin/includes/detail_table_fieldset.html" with original_object=original %}
+    {% endfor %}
 {% endblock %}
diff --git a/src/registrar/templatetags/custom_filters.py b/src/registrar/templatetags/custom_filters.py
index e90b3b17f..728478a51 100644
--- a/src/registrar/templatetags/custom_filters.py
+++ b/src/registrar/templatetags/custom_filters.py
@@ -159,3 +159,13 @@ def and_filter(value, arg):
     Usage: {{ value|and:arg }}
     """
     return bool(value and arg)
+
+
+@register.filter(name="has_contact_info")
+def has_contact_info(user):
+    """Checks if the given object has the attributes: title, email, phone
+    and checks if at least one of those is not null."""
+    if not hasattr(user, "title") or not hasattr(user, "email") or not hasattr(user, "phone"):
+        return False
+    else:
+        return bool(user.title or user.email or user.phone)
diff --git a/src/registrar/tests/common.py b/src/registrar/tests/common.py
index a4c3e2ef4..ceb3b6e92 100644
--- a/src/registrar/tests/common.py
+++ b/src/registrar/tests/common.py
@@ -906,6 +906,7 @@ def completed_domain_request(  # noqa
     federal_agency=None,
     federal_type=None,
     action_needed_reason=None,
+    portfolio=None,
 ):
     """A completed domain request."""
     if not user:
@@ -976,6 +977,9 @@ def completed_domain_request(  # noqa
     if action_needed_reason:
         domain_request_kwargs["action_needed_reason"] = action_needed_reason
 
+    if portfolio:
+        domain_request_kwargs["portfolio"] = portfolio
+
     domain_request, _ = DomainRequest.objects.get_or_create(**domain_request_kwargs)
 
     if has_other_contacts:
diff --git a/src/registrar/tests/test_admin.py b/src/registrar/tests/test_admin.py
index 4ec3336ba..827742ef1 100644
--- a/src/registrar/tests/test_admin.py
+++ b/src/registrar/tests/test_admin.py
@@ -23,6 +23,7 @@ from registrar.admin import (
     PublicContactAdmin,
     TransitionDomainAdmin,
     UserGroupAdmin,
+    PortfolioAdmin,
 )
 from registrar.models import (
     Domain,
@@ -38,6 +39,8 @@ from registrar.models import (
     FederalAgency,
     UserGroup,
     TransitionDomain,
+    Portfolio,
+    Suborganization,
 )
 from registrar.models.portfolio_invitation import PortfolioInvitation
 from registrar.models.senior_official import SeniorOfficial
@@ -2042,3 +2045,79 @@ class TestUserGroup(TestCase):
             response, "Groups are a way to bundle admin permissions so they can be easily assigned to multiple users."
         )
         self.assertContains(response, "Show more")
+
+
+class TestPortfolioAdmin(TestCase):
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+        cls.site = AdminSite()
+        cls.superuser = create_superuser()
+        cls.admin = PortfolioAdmin(model=Portfolio, admin_site=cls.site)
+        cls.factory = RequestFactory()
+
+    def setUp(self):
+        self.client = Client(HTTP_HOST="localhost:8080")
+        self.portfolio = Portfolio.objects.create(organization_name="Test Portfolio", creator=self.superuser)
+
+    def tearDown(self):
+        Suborganization.objects.all().delete()
+        DomainInformation.objects.all().delete()
+        DomainRequest.objects.all().delete()
+        Domain.objects.all().delete()
+        Portfolio.objects.all().delete()
+
+    @less_console_noise_decorator
+    def test_created_on_display(self):
+        """Tests the custom created on which is a reskin of the created_at field"""
+        created_on = self.admin.created_on(self.portfolio)
+        expected_date = self.portfolio.created_at.strftime("%b %d, %Y")
+        self.assertEqual(created_on, expected_date)
+
+    @less_console_noise_decorator
+    def test_suborganizations_display(self):
+        """Tests the custom suborg field which displays all related suborgs"""
+        Suborganization.objects.create(name="Sub1", portfolio=self.portfolio)
+        Suborganization.objects.create(name="Sub2", portfolio=self.portfolio)
+
+        suborganizations = self.admin.suborganizations(self.portfolio)
+        self.assertIn("Sub1", suborganizations)
+        self.assertIn("Sub2", suborganizations)
+        self.assertIn('<ul class="add-list-reset">', suborganizations)
+
+    @less_console_noise_decorator
+    def test_domains_display(self):
+        """Tests the custom domains field which displays all related domains"""
+        request_1 = completed_domain_request(
+            name="request1.gov", portfolio=self.portfolio, status=DomainRequest.DomainRequestStatus.IN_REVIEW
+        )
+        request_2 = completed_domain_request(
+            name="request2.gov", portfolio=self.portfolio, status=DomainRequest.DomainRequestStatus.IN_REVIEW
+        )
+
+        # Create some domain objects
+        request_1.approve()
+        request_2.approve()
+
+        domain_1 = DomainInformation.objects.get(domain_request=request_1).domain
+        domain_1.name = "domain1.gov"
+        domain_1.save()
+        domain_2 = DomainInformation.objects.get(domain_request=request_2).domain
+        domain_2.name = "domain2.gov"
+        domain_2.save()
+
+        domains = self.admin.domains(self.portfolio)
+        self.assertIn("domain1.gov", domains)
+        self.assertIn("domain2.gov", domains)
+        self.assertIn('<ul class="add-list-reset">', domains)
+
+    @less_console_noise_decorator
+    def test_domain_requests_display(self):
+        """Tests the custom domains requests field which displays all related requests"""
+        completed_domain_request(name="request1.gov", portfolio=self.portfolio)
+        completed_domain_request(name="request2.gov", portfolio=self.portfolio)
+
+        domain_requests = self.admin.domain_requests(self.portfolio)
+        self.assertIn("request1.gov", domain_requests)
+        self.assertIn("request2.gov", domain_requests)
+        self.assertIn('<ul class="add-list-reset">', domain_requests)