diff --git a/app/Console/Commands/Integrity/CreateGroupMemberships.php b/app/Console/Commands/Integrity/CreateGroupMemberships.php
index 0927f1b7cb..2bfb099912 100644
--- a/app/Console/Commands/Integrity/CreateGroupMemberships.php
+++ b/app/Console/Commands/Integrity/CreateGroupMemberships.php
@@ -30,8 +30,10 @@ use FireflyIII\Exceptions\FireflyException;
 use FireflyIII\Models\GroupMembership;
 use FireflyIII\Models\UserGroup;
 use FireflyIII\Models\UserRole;
+use FireflyIII\Repositories\User\UserRepositoryInterface;
 use FireflyIII\User;
 use Illuminate\Console\Command;
+use Illuminate\Support\Facades\Log;
 
 /**
  * Class CreateGroupMemberships
@@ -41,8 +43,9 @@ class CreateGroupMemberships extends Command
     use ShowsFriendlyMessages;
 
     public const string CONFIG_NAME = '560_create_group_memberships';
-    protected $description          = 'Update group memberships';
-    protected $signature            = 'firefly-iii:create-group-memberships';
+    protected $description = 'Update group memberships';
+    protected $signature   = 'firefly-iii:create-group-memberships';
+
 
     /**
      * Execute the console command.
@@ -52,6 +55,7 @@ class CreateGroupMemberships extends Command
     public function handle(): int
     {
         $this->createGroupMemberships();
+        $this->setDefaultGroups();
         $this->friendlyPositive('Validated group memberships');
 
         return 0;
@@ -78,20 +82,19 @@ class CreateGroupMemberships extends Command
     public static function createGroupMembership(User $user): void
     {
         // check if membership exists
-        $userGroup  = UserGroup::where('title', $user->email)->first();
+        $userGroup = UserGroup::where('title', $user->email)->first();
         if (null === $userGroup) {
-            $userGroup = UserGroup::create(['title' => $user->email]);
+            $userGroup = UserGroup::create(['title' => $user->email, 'default_administration' => true]);
         }
 
-        $userRole   = UserRole::where('title', UserRoleEnum::OWNER->value)->first();
+        $userRole = UserRole::where('title', UserRoleEnum::OWNER->value)->first();
 
         if (null === $userRole) {
             throw new FireflyException('Firefly III could not find a user role. Please make sure all migrations have run.');
         }
         $membership = GroupMembership::where('user_id', $user->id)
-            ->where('user_group_id', $userGroup->id)
-            ->where('user_role_id', $userRole->id)->first()
-        ;
+                                     ->where('user_group_id', $userGroup->id)
+                                     ->where('user_role_id', $userRole->id)->first();
         if (null === $membership) {
             GroupMembership::create(
                 [
@@ -106,4 +109,71 @@ class CreateGroupMemberships extends Command
             $user->save();
         }
     }
+
+    private function setDefaultGroups(): void
+    {
+        $users = User::get();
+
+        /** @var User $user */
+        foreach ($users as $user) {
+            $this->setDefaultGroup($user);
+        }
+    }
+
+    /**
+     * @throws FireflyException
+     */
+    private function setDefaultGroup(User $user): void
+    {
+        Log::debug(sprintf('setDefaultGroup() for #%d "%s"', $user->id, $user->email));
+        /** @var UserRepositoryInterface $repository */
+        $repository = app(UserRepositoryInterface::class);
+        $groups     = $repository->getUserGroups($user);
+        if(1 === $groups->count()) {
+            /** @var UserGroup $first */
+            $first = $groups->first();
+            $first->default_administration = true;
+            $first->save();
+            Log::debug(sprintf('User has only one group (#%d, "%s"), make it the default (owner or not).', $first->id, $first->title));
+            return;
+        }
+        Log::debug(sprintf('User has %d groups.', $groups->count()));
+        /*
+         * Loop all the groups, expect to find at least ONE
+         * where you're owner, and it has your name. In that case, it's yours.
+         * Then we can safely return and stop.
+         */
+
+        /** @var UserGroup $group */
+        foreach($groups as $group) {
+            $group->default_administration = false;
+            $group->save();
+            if($group->title === $user->email) {
+                $roles = $repository->getRolesInGroup($user, $group->id);
+                Log::debug(sprintf('Group #%d ("%s")', $group->id, $group->title), $roles);
+                $isOwner = false;
+                foreach($roles as $role) {
+                    if($role === UserRoleEnum::OWNER->value) {
+                        $isOwner = true;
+                    }
+                }
+                if(true === $isOwner) {
+                    // make this group the default, set the rest NOT to be the default:
+                    $group->default_administration = true;
+                    $group->save();
+                    Log::debug(sprintf('Make group #%d ("%s") the default (is owner + name matches).', $group->id, $group->title));
+                    return;
+                }
+                if(false === $isOwner) {
+                    $this->friendlyWarning(sprintf('User "%s" has a group with matching name (#%d), but is not the owner. User will be given the owner role.', $user->email, $group->id));
+                    self::createGroupMembership($user);
+                    return;
+                }
+            }
+        }
+        // if there is no group at all, create it.
+        $this->friendlyWarning(sprintf('User "%s" has no group with matching name. Will be created.', $user->email));
+        self::createGroupMembership($user);
+    }
+
 }
diff --git a/composer.lock b/composer.lock
index 79ecbe5ab1..e253c18cd1 100644
--- a/composer.lock
+++ b/composer.lock
@@ -8897,16 +8897,16 @@
     "packages-dev": [
         {
             "name": "barryvdh/laravel-debugbar",
-            "version": "v3.12.3",
+            "version": "v3.12.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/barryvdh/laravel-debugbar.git",
-                "reference": "aac8f08b73af8c5d2ab6595c8823ddb26d1453f1"
+                "reference": "e7a9a217512d8f1d07448fd241ce2ac0922ddc2c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/barryvdh/laravel-debugbar/zipball/aac8f08b73af8c5d2ab6595c8823ddb26d1453f1",
-                "reference": "aac8f08b73af8c5d2ab6595c8823ddb26d1453f1",
+                "url": "https://api.github.com/repos/barryvdh/laravel-debugbar/zipball/e7a9a217512d8f1d07448fd241ce2ac0922ddc2c",
+                "reference": "e7a9a217512d8f1d07448fd241ce2ac0922ddc2c",
                 "shasum": ""
             },
             "require": {
@@ -8965,7 +8965,7 @@
             ],
             "support": {
                 "issues": "https://github.com/barryvdh/laravel-debugbar/issues",
-                "source": "https://github.com/barryvdh/laravel-debugbar/tree/v3.12.3"
+                "source": "https://github.com/barryvdh/laravel-debugbar/tree/v3.12.4"
             },
             "funding": [
                 {
@@ -8977,7 +8977,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2024-03-31T18:35:30+00:00"
+            "time": "2024-04-01T09:14:15+00:00"
         },
         {
             "name": "barryvdh/laravel-ide-helper",
diff --git a/database/migrations/2024_03_03_174645_add_indices.php b/database/migrations/2024_03_03_174645_add_indices.php
index 489bb4300b..2d1ae810f3 100644
--- a/database/migrations/2024_03_03_174645_add_indices.php
+++ b/database/migrations/2024_03_03_174645_add_indices.php
@@ -9,7 +9,7 @@ use Illuminate\Support\Facades\Schema;
 
 return new class () extends Migration {
     private const string QUERY_ERROR = 'Could not execute query (table "%s", field "%s"): %s';
-    private const string EXPL        = 'If the index already exists (see error), this is not an problem. Otherwise, please open a GitHub discussion.';
+    private const string EXPL        = 'If the index already exists (see error), or if MySQL can\'t do it, this is not an problem. Otherwise, please open a GitHub discussion.';
 
     /**
      * Run the migrations.
diff --git a/database/migrations/2024_04_01_131611_update_user_group_properties.php b/database/migrations/2024_04_01_131611_update_user_group_properties.php
new file mode 100644
index 0000000000..21cc9c39c2
--- /dev/null
+++ b/database/migrations/2024_04_01_131611_update_user_group_properties.php
@@ -0,0 +1,37 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\QueryException;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        try {
+            Schema::table(
+                'user_groups',
+                static function (Blueprint $table): void {
+                    if (!Schema::hasColumn('user_groups', 'default_administration')) {
+                        $table->boolean('default_administration')->default(false)->after('title');
+                    }
+                }
+            );
+        } catch (QueryException $e) {
+            app('log')->error(sprintf('Could not execute query: %s', $e->getMessage()));
+            app('log')->error('If the column or index already exists (see error), this is not an problem. Otherwise, please open a GitHub discussion.');
+        }
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        //
+    }
+};
diff --git a/resources/assets/v2/api/v2/model/user-group/post.js b/resources/assets/v2/api/v2/model/user-group/post.js
new file mode 100644
index 0000000000..9ae5d03986
--- /dev/null
+++ b/resources/assets/v2/api/v2/model/user-group/post.js
@@ -0,0 +1,28 @@
+/*
+ * post.js
+ * Copyright (c) 2024 james@firefly-iii.org.
+ *
+ * This file is part of Firefly III (https://github.com/firefly-iii).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see https://www.gnu.org/licenses/.
+ */
+
+import {api} from "../../../../boot/axios";
+
+export default class Post {
+    post(submission) {
+        let url = './api/v2/user-groups';
+        return api.post(url, submission);
+    }
+}
diff --git a/resources/assets/v2/pages/administrations/create.js b/resources/assets/v2/pages/administrations/create.js
new file mode 100644
index 0000000000..fc9889467f
--- /dev/null
+++ b/resources/assets/v2/pages/administrations/create.js
@@ -0,0 +1,110 @@
+/*
+ * template.js
+ * Copyright (c) 2024 james@firefly-iii.org.
+ *
+ * This file is part of Firefly III (https://github.com/firefly-iii).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see https://www.gnu.org/licenses/.
+ */
+
+import '../../boot/bootstrap.js';
+import dates from "../shared/dates.js";
+import Post from "../../api/v2/model/user-group/post.js";
+import i18next from "i18next";
+
+
+let administrations = function () {
+    return {
+        title: '',
+        errors: {
+            title: []
+        },
+
+        // notifications
+        notifications: {
+            error: {
+                show: false, text: '', url: '',
+            }, success: {
+                show: false, text: '', url: '',
+            }, wait: {
+                show: false, text: '',
+
+            }
+        },
+        // state of the form is stored in formState:
+        formStates: {
+            isSubmitting: false,
+            returnHereButton: false,
+            saveAsNewButton: false, // edit form only
+            resetButton: false,
+        },
+
+        // form behaviour
+        formBehaviour: {
+            formType: 'create', // or 'update'
+        },
+        changedTitle() {
+
+        },
+
+        pageProperties: {},
+        submitForm() {
+            (new Post()).post({title: this.title}).then(response => {
+                if (this.formStates.returnHereButton) {
+                    this.notifications.success.show = true;
+                    this.notifications.success.text = i18next.t('firefly.new_administration_created', {title: response.data.data.attributes.title});
+                    this.notifications.success.url = './administrations';
+                }
+                if (this.formStates.resetButton) {
+                    this.title = '';
+                }
+                if (!this.formStates.returnHereButton) {
+                    window.location.href = './administrations?user_group_id=' + parseInt(response.data.data.id) + '&message=created';
+                }
+            }).catch(error => {
+                console.error(error);
+            });
+
+        },
+        cancelForm() {
+            window.location.href = './administrations';
+        },
+        init() {
+
+        }
+    }
+}
+
+
+let comps = {administrations, dates};
+
+function loadPage() {
+    Object.keys(comps).forEach(comp => {
+        console.log(`Loading page component "${comp}"`);
+        let data = comps[comp]();
+        Alpine.data(comp, () => data);
+    });
+    Alpine.start();
+}
+
+// wait for load until bootstrapped event is received.
+document.addEventListener('firefly-iii-bootstrapped', () => {
+    console.log('Loaded through event listener.');
+    loadPage();
+});
+// or is bootstrapped before event is triggered.
+if (window.bootstrapped) {
+    console.log('Loaded through window variable.');
+    loadPage();
+}
diff --git a/resources/assets/v2/pages/template.js b/resources/assets/v2/pages/template.js
index ce0ac609dd..bf573f2739 100644
--- a/resources/assets/v2/pages/template.js
+++ b/resources/assets/v2/pages/template.js
@@ -24,6 +24,33 @@ import dates from "./shared/dates.js";
 
 let somethings = function() {
     return {
+        // notifications
+        // TODO duplicate code
+        notifications: {
+            error: {
+                show: false, text: '', url: '',
+            }, success: {
+                show: false, text: '', url: '',
+            }, wait: {
+                show: false, text: '',
+
+            }
+        },
+        // state of the form is stored in formState:
+        // TODO duplicate code
+        formStates: {
+            isSubmitting: false,
+            returnHereButton: false,
+            saveAsNewButton: false, // edit form only
+            resetButton: false,
+        },
+
+        // form behaviour
+        // TODO duplicate code
+        formBehaviour: {
+            formType: 'create', // or 'update'
+        },
+
         pageProperties: {},
         functionName() {
 
diff --git a/resources/assets/v2/pages/transactions/create.js b/resources/assets/v2/pages/transactions/create.js
index ed575f10eb..f324555e5f 100644
--- a/resources/assets/v2/pages/transactions/create.js
+++ b/resources/assets/v2/pages/transactions/create.js
@@ -73,7 +73,8 @@ let transactions = function () {
 
         // form behaviour during transaction
         formBehaviour: {
-            formType: 'create', foreignCurrencyEnabled: true,
+            formType: 'create',
+            foreignCurrencyEnabled: true,
         },
 
         // form data (except transactions) is stored in formData
diff --git a/resources/lang/en_US/firefly.php b/resources/lang/en_US/firefly.php
index b49bcbceab..da3ace3fc1 100644
--- a/resources/lang/en_US/firefly.php
+++ b/resources/lang/en_US/firefly.php
@@ -1390,6 +1390,9 @@ return [
     'administration_owner'                                => 'Administration owner: {{email}}',
     'administration_you'                                  => 'Your role: {{role}}',
     'other_users_in_admin'                                => 'Other users in this administration',
+    'administrations_create_breadcrumb' => 'Create new financial administration',
+    'basic_administration_information' => 'Basic administration information',
+    'new_administration_created' => 'New financial administration "{{title}}" has been created',
 
     // roles
     'administration_role_owner'                           => 'Owner',
diff --git a/resources/views/v2/administrations/create.blade.php b/resources/views/v2/administrations/create.blade.php
new file mode 100644
index 0000000000..9c2096f067
--- /dev/null
+++ b/resources/views/v2/administrations/create.blade.php
@@ -0,0 +1,57 @@
+@extends('layout.v2')
+@section('scripts')
+    @vite(['resources/assets/v2/pages/administrations/create.js'])
+@endsection
+@section('content')
+    <div class="app-content">
+        <!--begin::Container-->
+        <div class="container-fluid" x-data="administrations" id="form">
+            <x-messages></x-messages>
+            <div class="row mb-3">
+                <div class="col-xl-6 col-lg-6 col-md-12 col-xs-12">
+                    <div class="card">
+                        <div class="card-header">
+                            <h3 class="card-title"
+                            >{{ __('firefly.basic_administration_information') }}</h3>
+                        </div>
+                        <div class="card-body">
+                            <!-- TITLE -->
+                            @include('partials.form.title')
+                        </div>
+                    </div>
+                </div>
+            </div>
+            <div class="row mb-3">
+                <div class="col-xl-6 col-lg-6 col-md-12 col-xs-12">
+                    <div class="card">
+                        <div class="card-header">
+                            <h3 class="card-title">
+                                {{ __('firefly.submission_options') }}
+                            </h3>
+                        </div>
+                        <div class="card-body">
+                            @include('partials.form.submission-options')
+                        </div>
+                        <div class="card-footer">
+                            <div class="row">
+                                <div class="col text-end">
+                                    <div class="btn-group">
+                                        <button @click="cancelForm()" class="btn btn-danger text-white"
+                                                :disabled="formStates.isSubmitting">
+                                            <em class="fa-solid fa-arrow-left"></em>
+                                            {{ __('firefly.cancel')  }}</button>
+                                        <button class="btn btn-primary text-white" :disabled="formStates.isSubmitting"
+                                                @click="submitForm()">
+                                            <em class="fa-regular fa-circle-check"></em>
+                                            {{ __('firefly.submit') }}</button>
+                                    </div>
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+
+@endsection
diff --git a/resources/views/v2/administrations/index.blade.php b/resources/views/v2/administrations/index.blade.php
index 6f365998d5..ce28f09c9f 100644
--- a/resources/views/v2/administrations/index.blade.php
+++ b/resources/views/v2/administrations/index.blade.php
@@ -16,7 +16,7 @@
             </div>
             <div class="row mb-3">
                 <template x-for="(group, index) in userGroups" :key="index">
-                    <div class="col-xl-4 col-lg-4 col-sm-6 col-xs-12">
+                    <div class="col-xl-4 col-lg-4 col-sm-6 col-xs-12 mb-3">
                         <div class="card">
                             <div class="card-header">
                                 <h3 class="card-title">Administration "<span x-text="group.title"></span>"</h3>
diff --git a/resources/views/v2/partials/form/submission-options.blade.php b/resources/views/v2/partials/form/submission-options.blade.php
new file mode 100644
index 0000000000..0fde63b3c7
--- /dev/null
+++ b/resources/views/v2/partials/form/submission-options.blade.php
@@ -0,0 +1,29 @@
+<!-- RETURN HERE AFTER CREATE -->
+<template x-if="'create' === formBehaviour.formType">
+    <div class="form-check">
+        <input class="form-check-input" x-model="formStates.returnHereButton" type="checkbox" id="returnButton">
+        <label class="form-check-label" for="returnButton"><em class="fa-solid fa-arrow-rotate-left"></em> {{ __('firefly.create_another') }}</label>
+    </div>
+</template>
+
+<!-- RESET AFTER -->
+<template x-if="'create' === formBehaviour.formType">
+    <div class="form-check">
+        <input class="form-check-input" x-model="formStates.resetButton" type="checkbox" id="resetButton" :disabled="!formStates.returnHereButton">
+        <label class="form-check-label" for="resetButton"><em class="fa-regular fa-file"></em> {{ __('firefly.reset_after') }}</label>
+    </div>
+</template>
+<!-- RETURN HERE AFTER UPDATE -->
+<template x-if="'update' === formBehaviour.formType">
+    <div class="form-check">
+        <input class="form-check-input" x-model="formStates.returnHereButton" type="checkbox" id="returnButton">
+        <label class="form-check-label" for="returnButton"><em class="fa-solid fa-arrow-rotate-left"></em> {{ __('firefly.after_update_create_another') }}</label>
+    </div>
+</template>
+<!-- CLONE INSTEAD OF UPDATE -->
+<template x-if="'update' === formBehaviour.formType">
+    <div class="form-check">
+        <input class="form-check-input" x-model="formStates.saveAsNewButton" type="checkbox" id="saveAsNewButton">
+        <label class="form-check-label" for="saveAsNewButton">{{ __('firefly.store_as_new') }}</label>
+    </div>
+</template>
diff --git a/resources/views/v2/partials/form/title.blade.php b/resources/views/v2/partials/form/title.blade.php
new file mode 100644
index 0000000000..964d7cec06
--- /dev/null
+++ b/resources/views/v2/partials/form/title.blade.php
@@ -0,0 +1,19 @@
+<div class="row mb-3">
+    <label for="title" class="col-sm-1 col-form-label d-none d-sm-block">
+        <em title="{{ __('firefly.title') }}" class="fa-solid fa-font"></em>
+    </label>
+    <div class="col-sm-10">
+        <input type="text" class="form-control ac-title"
+               id="title"
+               @change="changedTitle"
+               @keyup.enter="submitForm()"
+               x-model="title"
+               :class="{'is-invalid': errors.title.length > 0, 'form-control': true}"
+               placeholder="{{ __('form.title')  }}">
+        <template x-if="errors.title.length > 0">
+            <div class="invalid-feedback"
+                 x-text="errors.title[0]">
+            </div>
+        </template>
+    </div>
+</div>
diff --git a/routes/breadcrumbs.php b/routes/breadcrumbs.php
index ef71842352..5fccfa5986 100644
--- a/routes/breadcrumbs.php
+++ b/routes/breadcrumbs.php
@@ -1288,3 +1288,10 @@ Breadcrumbs::for(
         $breadcrumbs->push(trans('firefly.administrations_breadcrumb'), route('administrations.index'));
     }
 );
+Breadcrumbs::for(
+    'administrations.create',
+    static function (Generator $breadcrumbs): void {
+        $breadcrumbs->parent('administrations.index');
+        $breadcrumbs->push(trans('firefly.administrations_create_breadcrumb'), route('administrations.create'));
+    }
+);