diff --git a/OWNERS b/OWNERS
new file mode 100644
index 000000000..12bbf3fbf
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,25 @@
+# Docs
+per-file README.md=*
+per-file CONTRIBUTING.md=*
+
+# DevX
+per-file justfile=*
+per-file .envrc=*
+per-file .gitignore=*
+per-file .github=*
+per-file .mailmap=*
+
+# Build
+per-file meson.build=*
+per-file meson.options=*
+per-file flake.nix=*
+per-file flake.lock=*
+per-file *.nix=*
+per-file Cargo.lock=*
+per-file Cargo.toml=*
+
+# Code style
+per-file .clang-tidy=*
+per-file .clang-format=*
+per-file .editorconfig=*
+per-file treefmt.toml=*
diff --git a/doc/OWNERS b/doc/OWNERS
new file mode 100644
index 000000000..72e8ffc0d
--- /dev/null
+++ b/doc/OWNERS
@@ -0,0 +1 @@
+*
diff --git a/lix/OWNERS b/lix/OWNERS
new file mode 100644
index 000000000..21d72eb66
--- /dev/null
+++ b/lix/OWNERS
@@ -0,0 +1,10 @@
+# This reproduces the Lix Approvers plus Lix groups to yield the status quo
+alois1@gmx-topmail.de
+jade@lix.systems
+lunaphied@lunaphied.me
+maximilian@mbosch.me
+me@0upti.me
+pennae@lix.systems
+qyriad@qyriad.me
+raito@lix.systems
+rbt@sent.as
diff --git a/maintainers/OWNERS b/maintainers/OWNERS
new file mode 100644
index 000000000..2c94d8990
--- /dev/null
+++ b/maintainers/OWNERS
@@ -0,0 +1,2 @@
+# tooling scripts
+*
diff --git a/misc/OWNERS b/misc/OWNERS
new file mode 100644
index 000000000..72e8ffc0d
--- /dev/null
+++ b/misc/OWNERS
@@ -0,0 +1 @@
+*
diff --git a/releng/OWNERS b/releng/OWNERS
new file mode 100644
index 000000000..f76920209
--- /dev/null
+++ b/releng/OWNERS
@@ -0,0 +1,5 @@
+# Subject matter experts on releng
+jade@lix.systems
+lunaphied@lunaphied.me
+raito@lix.systems
+rbt@sent.as
diff --git a/scripts/OWNERS b/scripts/OWNERS
new file mode 100644
index 000000000..72e8ffc0d
--- /dev/null
+++ b/scripts/OWNERS
@@ -0,0 +1 @@
+*
diff --git a/subprojects/lix-clang-tidy/OWNERS b/subprojects/lix-clang-tidy/OWNERS
new file mode 100644
index 000000000..b9c14e920
--- /dev/null
+++ b/subprojects/lix-clang-tidy/OWNERS
@@ -0,0 +1,4 @@
+# Subject matter experts for lix-clang-tidy
+jade@lix.systems
+pennae@lix.systems
+qyriad@qyriad.me
diff --git a/subprojects/nix-eval-jobs/OWNERS b/subprojects/nix-eval-jobs/OWNERS
new file mode 100644
index 000000000..ad94b72b8
--- /dev/null
+++ b/subprojects/nix-eval-jobs/OWNERS
@@ -0,0 +1,5 @@
+# Subject matter experts for nix-eval-jobs
+jade@lix.systems
+pennae@lix.systems
+raito@lix.systems
+maximilian@mbosch.me
diff --git a/tests/OWNERS b/tests/OWNERS
new file mode 100644
index 000000000..c7242bce2
--- /dev/null
+++ b/tests/OWNERS
@@ -0,0 +1,5 @@
+file:///lix/OWNERS
+
+# Subject matter experts for functional2
+helle@h3l.li
+commentator2.0@protonmail.com
diff --git a/tests/functional/lang/OWNERS b/tests/functional/lang/OWNERS
new file mode 100644
index 000000000..3a09171f2
--- /dev/null
+++ b/tests/functional/lang/OWNERS
@@ -0,0 +1 @@
+git@piegames.de
diff --git a/tests/functional2/lang/OWNERS b/tests/functional2/lang/OWNERS
new file mode 100644
index 000000000..3a09171f2
--- /dev/null
+++ b/tests/functional2/lang/OWNERS
@@ -0,0 +1 @@
+git@piegames.de