diff --git a/alfa-client/libs/collaboration/src/lib/search-organisations-einheit-container/search-organisations-einheit-container.component.spec.ts b/alfa-client/libs/collaboration/src/lib/search-organisations-einheit-container/search-organisations-einheit-container.component.spec.ts
index 2f94294e437896891c8c55521ca86c71a7b255d8..69c11f3b7ff394d26ec6472161c281fe59ff2cae 100644
--- a/alfa-client/libs/collaboration/src/lib/search-organisations-einheit-container/search-organisations-einheit-container.component.spec.ts
+++ b/alfa-client/libs/collaboration/src/lib/search-organisations-einheit-container/search-organisations-einheit-container.component.spec.ts
@@ -87,6 +87,20 @@ describe('SearchOrganisationsEinheitContainerComponent', () => {
     });
   });
 
+  describe('onKeyDownHandler', () => {
+    it('should prevent default behavior for enter key', () => {
+      const keyboardEvent: KeyboardEvent = {
+        ...new KeyboardEvent('enter'),
+        key: 'Enter',
+        preventDefault: jest.fn(),
+      };
+
+      component.onKeyDownHandler(keyboardEvent);
+
+      expect(keyboardEvent.preventDefault).toHaveBeenCalled();
+    });
+  });
+
   describe('search organisationsEinheit component', () => {
     beforeEach(() => {
       component.organisationsEinheitStateListResource$ = of(organisationsEinheitStateListResource);
@@ -175,7 +189,7 @@ describe('SearchOrganisationsEinheitContainerComponent', () => {
     it('should close dialog', () => {
       component.selectSearchResult(organisationsEinheitResource);
 
-      expect(dialogRefMock.close).toHaveBeenCalledWith();
+      expect(dialogRefMock.close).toHaveBeenCalled();
     });
   });
 
diff --git a/alfa-client/libs/collaboration/src/lib/search-organisations-einheit-container/search-organisations-einheit-container.component.ts b/alfa-client/libs/collaboration/src/lib/search-organisations-einheit-container/search-organisations-einheit-container.component.ts
index 963ef863886ec30268528d90e3d9c5ea09d877d6..14a54da18681ed93697757c2cbcd13e81346414c 100644
--- a/alfa-client/libs/collaboration/src/lib/search-organisations-einheit-container/search-organisations-einheit-container.component.ts
+++ b/alfa-client/libs/collaboration/src/lib/search-organisations-einheit-container/search-organisations-einheit-container.component.ts
@@ -4,7 +4,7 @@ import {
 } from '@alfa-client/collaboration-shared';
 import { StateResource } from '@alfa-client/tech-shared';
 import { DialogRef } from '@angular/cdk/dialog';
-import { Component, OnInit } from '@angular/core';
+import { Component, HostListener, OnInit } from '@angular/core';
 import {
   OrganisationsEinheitListResource,
   OrganisationsEinheitResource,
@@ -31,6 +31,10 @@ export class SearchOrganisationsEinheitContainerComponent implements OnInit {
     this.organisationsEinheitStateListResource$ = this.service.getSearchResultList();
   }
 
+  @HostListener('document:keydown', ['$event']) onKeyDownHandler(e: KeyboardEvent) {
+    if (e.key === 'Enter') e.preventDefault();
+  }
+
   public search(searchBy: string): void {
     this.service.search(searchBy);
   }
diff --git a/alfa-client/libs/collaboration/src/lib/search-organisations-einheit-container/search-organisations-einheit-form/search-organisations-einheit-form.component.spec.ts b/alfa-client/libs/collaboration/src/lib/search-organisations-einheit-container/search-organisations-einheit-form/search-organisations-einheit-form.component.spec.ts
index e93e7403bfa65080636bf44355f942ab224f063f..11fa9f5ebd5cfdcca46bf05fd71833602391e270 100644
--- a/alfa-client/libs/collaboration/src/lib/search-organisations-einheit-container/search-organisations-einheit-form/search-organisations-einheit-form.component.spec.ts
+++ b/alfa-client/libs/collaboration/src/lib/search-organisations-einheit-container/search-organisations-einheit-form/search-organisations-einheit-form.component.spec.ts
@@ -94,7 +94,7 @@ describe('SearchOrganisationsEinheitFormComponent', () => {
       const instantSearchResult: InstantSearchResult<OrganisationsEinheitResource> =
         component.mapToInstantantSearchResult(organisationsEinheitResource);
 
-      const expectedDescription: string = `${organisationsEinheitResource.anschrift.strasse} ${organisationsEinheitResource.anschrift.plz} ${organisationsEinheitResource.anschrift.ort}`;
+      const expectedDescription: string = `${organisationsEinheitResource.anschrift.strasse} ${organisationsEinheitResource.anschrift.hausnummer}, ${organisationsEinheitResource.anschrift.plz} ${organisationsEinheitResource.anschrift.ort}`;
       expect(instantSearchResult.description).toBe(expectedDescription);
     });
 
diff --git a/alfa-client/libs/collaboration/src/lib/search-organisations-einheit-container/search-organisations-einheit-form/search-organisations-einheit-form.component.ts b/alfa-client/libs/collaboration/src/lib/search-organisations-einheit-container/search-organisations-einheit-form/search-organisations-einheit-form.component.ts
index 2e49ca660d004820de961dd252ef7ed156040a1a..e144eb1257283beea80b37d9b1d79b1a1fee50ab 100644
--- a/alfa-client/libs/collaboration/src/lib/search-organisations-einheit-container/search-organisations-einheit-form/search-organisations-einheit-form.component.ts
+++ b/alfa-client/libs/collaboration/src/lib/search-organisations-einheit-container/search-organisations-einheit-form/search-organisations-einheit-form.component.ts
@@ -34,7 +34,7 @@ export class SearchOrganisationsEinheitFormComponent {
   ): InstantSearchResult<OrganisationsEinheitResource> {
     return <any>{
       title: organisationsEinheit.name,
-      description: `${organisationsEinheit.anschrift.strasse} ${organisationsEinheit.anschrift.plz} ${organisationsEinheit.anschrift.ort}`,
+      description: `${organisationsEinheit.anschrift.strasse} ${organisationsEinheit.anschrift.hausnummer}, ${organisationsEinheit.anschrift.plz} ${organisationsEinheit.anschrift.ort}`,
       data: organisationsEinheit,
     };
   }
diff --git a/alfa-client/libs/design-system/src/lib/instant-search/instant-search/instant-search.component.ts b/alfa-client/libs/design-system/src/lib/instant-search/instant-search/instant-search.component.ts
index ab653fe9d22fae4f7f7faf447d5b7a5685e85342..80a889a7bfa1211c008d3891cfb80d98d811448e 100644
--- a/alfa-client/libs/design-system/src/lib/instant-search/instant-search/instant-search.component.ts
+++ b/alfa-client/libs/design-system/src/lib/instant-search/instant-search/instant-search.component.ts
@@ -47,7 +47,7 @@ import { InstantSearchQuery, InstantSearchResult } from './instant-search.model'
     <ods-aria-live-region [text]="ariaLiveText" />
     <ods-search-result-layer
       *ngIf="results.length && areResultsVisible"
-      class="absolute z-50 mt-3 w-full"
+      containerClass="absolute z-50 mt-3 max-h-[calc(50vh)] w-full overflow-y-auto"
       id="results"
     >
       <ods-search-result-header
diff --git a/alfa-client/libs/design-system/src/lib/instant-search/search-result-layer/search-result-layer.component.ts b/alfa-client/libs/design-system/src/lib/instant-search/search-result-layer/search-result-layer.component.ts
index 971e06b585e2292b36be429b6972ba91090ccaa0..f06c873fc8e184fa6eb56a399e67a39633bf95da 100644
--- a/alfa-client/libs/design-system/src/lib/instant-search/search-result-layer/search-result-layer.component.ts
+++ b/alfa-client/libs/design-system/src/lib/instant-search/search-result-layer/search-result-layer.component.ts
@@ -1,15 +1,22 @@
 import { CommonModule } from '@angular/common';
-import { Component } from '@angular/core';
+import { Component, Input } from '@angular/core';
 
 @Component({
   selector: 'ods-search-result-layer',
   standalone: true,
   imports: [CommonModule],
-  template: `<div class="rounded-lg border border-primary-600/50 bg-background-50 shadow-lg">
+  template: `<div
+    [ngClass]="[
+      'rounded-lg border border-primary-600/50 bg-background-50 shadow-lg',
+      containerClass,
+    ]"
+  >
     <ng-content select="[header]" />
     <ul role="list">
       <ng-content />
     </ul>
   </div>`,
 })
-export class SearchResultLayerComponent {}
+export class SearchResultLayerComponent {
+  @Input() containerClass: string = '';
+}