diff --git a/ADOPTERS.md b/ADOPTERS.md
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+++ b/ADOPTERS.md
@@ -47,3 +47,4 @@
 | [Taxfix](https://taxfix.de/)                                                     | [Sami Ur Rehman](https://github.com/samiurrehman92)      | Developer's portal with software catalog at it's core. Hosts API Specs, Tech Docs, Tech Radar and some custom plugins.  |
 | [Busuu](https://busuu.com/)                                                     | [Adam Tester](https://github.com/adamtester)      | Developer portal with service catalog, API docs, Event docs, service templating, and cost insights.  |
 | [Loadsmart](https://loadsmart.com/)                                                     | [Loadsmart](https://github.com/loadsmart)      | Improve services visibility and operations for service owners and developers.  |
+| [Monzo](https://monzo.com/)                                              | [@WillSewell](https://github.com/WillSewell), [@joechrisellis](https://github.com/joechrisellis)                                                                                                    | Developer portal showing metadata and docs for over 2000 microservices. We have built a number of plugins such as a UI for our system to measure [software excellence](https://monzo.com/blog/2021/09/15/how-we-measure-software-excellence), and a UI to show deployment and config change events. |