diff --git a/README.md b/README.md
index 42db9d6..8d25766 100644
--- a/README.md
+++ b/README.md
@@ -126,3 +126,5 @@ Filenames should be all lowercase with hyphens as word separators. Expected test
 ```
 
 We often use the [PSR-4](https://www.php-fig.org/psr/psr-4/) autoloading mechanism and therefore deviate from it.
+
+[![Pronamic - Work with us](https://github.com/pronamic/brand-resources/blob/main/banners/pronamic-work-with-us-leaderboard-728x90%404x.png)](https://www.pronamic.eu/contact/)