diff --git a/ADOPTERS.md b/ADOPTERS.md
index 5aad5dcf72..1961054237 100644
--- a/ADOPTERS.md
+++ b/ADOPTERS.md
@@ -103,3 +103,4 @@ _If you're using Backstage in your organization, please try to add your company
 | [Snyk](https://snyk.io/) | [@robcresswell](https://github.com/robcresswell) | Developer portal for software discovery, API documentation and templating |
 | [Stilingue](https://www.stilingue.com.br/) | [@stilingue-inteligencia-artificial](https://github.com/Stilingue-IA), [@bbviana](https://github.com/bbviana) | Developer portal, services catalog and centralization of metrics from Grafana, Sentry and GCP. Furthermore, centralization of documentation and infra details like DNS, Network services, SSL and so on. |
 | [TUI Group](https://www.tuigroup.com/)                                      | [Simon Stamm](https://github.com/simonstamm), [Christian Rudolph](https://github.com/ChrisRu82)                                                                                                              | Developer portal for all engineer to provide discoverability to all internal components, APIs, documentation and to scaffold templates with integrations to our internal tools extended by plugins from our community.                                                                                                                               |
+| [Alliander](https://www.alliander.com/)                                      | [@leon-vg](https://github.com/leon-vg), [@gieljl](https://github.com/gieljl), [@niekteg](https://github.com/niekteg)                                                                                                              |  Developer portal - software catalog, technical documentation, software templates, tech radar and exploration of used tools/services   |