diff --git a/.github/workflows/cypress.yml b/.github/workflows/cypress.yml
index 601482da99434..ea1a741f5746d 100644
--- a/.github/workflows/cypress.yml
+++ b/.github/workflows/cypress.yml
@@ -16,6 +16,8 @@ jobs:
   init:
     runs-on: ubuntu-latest
 
+    if: ${{ github.repository_owner != 'nextcloud-gmbh' }}
+
     steps:
       - name: Checkout server
         uses: actions/checkout@v3
diff --git a/.github/workflows/ftp.yml b/.github/workflows/ftp.yml
index 643aef72c3445..fa4c52ce67df6 100644
--- a/.github/workflows/ftp.yml
+++ b/.github/workflows/ftp.yml
@@ -17,6 +17,8 @@ jobs:
   ftp-tests:
     runs-on: ubuntu-latest
 
+    if: ${{ github.repository_owner != 'nextcloud-gmbh' }}
+
     strategy:
       # do not stop on another job's failure
       fail-fast: false
diff --git a/.github/workflows/node-tests.yml b/.github/workflows/node-tests.yml
index 596e4494e43a4..265c53cf746ec 100644
--- a/.github/workflows/node-tests.yml
+++ b/.github/workflows/node-tests.yml
@@ -10,6 +10,9 @@ on:
 jobs:
   versions:
     runs-on: ubuntu-latest
+
+    if: ${{ github.repository_owner != 'nextcloud-gmbh' }}
+
     outputs:
       nodeVersion: ${{ steps.versions.outputs.nodeVersion }}
       npmVersion: ${{ steps.versions.outputs.npmVersion }}
diff --git a/.github/workflows/oci.yml b/.github/workflows/oci.yml
index 34d548c7f9fad..6578697f4efe4 100644
--- a/.github/workflows/oci.yml
+++ b/.github/workflows/oci.yml
@@ -13,6 +13,8 @@ jobs:
   phpunit-oci:
     runs-on: ubuntu-20.04
 
+    if: ${{ github.repository_owner != 'nextcloud-gmbh' }}
+
     strategy:
       matrix:
         php-versions: ['8.0', '8.1', '8.2']
diff --git a/.github/workflows/performance.yml b/.github/workflows/performance.yml
index a4afd16806c5c..0025d8948e80c 100644
--- a/.github/workflows/performance.yml
+++ b/.github/workflows/performance.yml
@@ -6,6 +6,8 @@ jobs:
   performance-testing:
     runs-on: ubuntu-latest
 
+    if: ${{ github.repository_owner != 'nextcloud-gmbh' }}
+
     strategy:
       fail-fast: false
       matrix:
diff --git a/.github/workflows/phpunit-32bits.yml b/.github/workflows/phpunit-32bits.yml
index 1f91281bf1613..3b03c00184b45 100644
--- a/.github/workflows/phpunit-32bits.yml
+++ b/.github/workflows/phpunit-32bits.yml
@@ -15,6 +15,9 @@ concurrency:
 jobs:
   phpunit-32bits:
     runs-on: ubuntu-latest
+
+    if: ${{ github.repository_owner != 'nextcloud-gmbh' }}
+
     container: shivammathur/node:latest-i386
 
     strategy:
diff --git a/.github/workflows/s3-external.yml b/.github/workflows/s3-external.yml
index 784fb752a619f..a987f8a3f670f 100644
--- a/.github/workflows/s3-external.yml
+++ b/.github/workflows/s3-external.yml
@@ -17,6 +17,8 @@ jobs:
   s3-external-tests-minio:
     runs-on: ubuntu-latest
 
+    if: ${{ github.repository_owner != 'nextcloud-gmbh' }}
+
     strategy:
       # do not stop on another job's failure
       fail-fast: false
@@ -68,6 +70,8 @@ jobs:
   s3-external-tests-localstack:
     runs-on: ubuntu-latest
 
+    if: ${{ github.repository_owner != 'nextcloud-gmbh' }}
+
     strategy:
       # do not stop on another job's failure
       fail-fast: false
diff --git a/.github/workflows/s3-primary.yml b/.github/workflows/s3-primary.yml
index 78265af54f5e4..9b4269d737b4f 100644
--- a/.github/workflows/s3-primary.yml
+++ b/.github/workflows/s3-primary.yml
@@ -10,6 +10,8 @@ jobs:
   s3-primary-tests-minio:
     runs-on: ubuntu-20.04
 
+    if: ${{ github.repository_owner != 'nextcloud-gmbh' }}
+
     strategy:
       # do not stop on another job's failure
       fail-fast: false
diff --git a/.github/workflows/smb-kerberos.yml b/.github/workflows/smb-kerberos.yml
index 1cb8ae973ca88..c069d665a6ae6 100644
--- a/.github/workflows/smb-kerberos.yml
+++ b/.github/workflows/smb-kerberos.yml
@@ -16,6 +16,8 @@ jobs:
   smb-kerberos-tests:
     runs-on: ubuntu-latest
 
+    if: ${{ github.repository_owner != 'nextcloud-gmbh' }}
+
     name: smb-kerberos-sso
 
     steps:
diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
index 13dc697664c90..29e680b469883 100644
--- a/.github/workflows/stale.yml
+++ b/.github/workflows/stale.yml
@@ -7,12 +7,13 @@ on:
 
 jobs:
   stale:
-
     runs-on: ubuntu-latest
-    
+
+    if: ${{ github.repository_owner != 'nextcloud-gmbh' }}
+
     permissions:
       issues: write
-    
+
     steps:
     - uses: actions/stale@v5
       with:
@@ -29,4 +30,4 @@ jobs:
         days-before-stale: 30
         days-before-close: 14
         # debug-only: true
- 
+
diff --git a/.github/workflows/static-code-analysis.yml b/.github/workflows/static-code-analysis.yml
index 451df6ab72acd..4ae8babf8435e 100644
--- a/.github/workflows/static-code-analysis.yml
+++ b/.github/workflows/static-code-analysis.yml
@@ -11,6 +11,8 @@ jobs:
   static-code-analysis:
     runs-on: ubuntu-latest
 
+    if: ${{ github.repository_owner != 'nextcloud-gmbh' }}
+
     steps:
       - name: Checkout
         uses: actions/checkout@v3
diff --git a/.github/workflows/update-psalm-baseline.yml b/.github/workflows/update-psalm-baseline.yml
index 8b515d3eea7b3..1c0186f1ff76d 100644
--- a/.github/workflows/update-psalm-baseline.yml
+++ b/.github/workflows/update-psalm-baseline.yml
@@ -9,6 +9,8 @@ jobs:
   update-psalm-baseline:
     runs-on: ubuntu-latest
 
+    if: ${{ github.repository_owner != 'nextcloud-gmbh' }}
+
     strategy:
       fail-fast: false
       matrix: