diff --git a/Organisationsnummer.slnx b/Organisationsnummer.slnx
new file mode 100644
index 0000000..41decd6
--- /dev/null
+++ b/Organisationsnummer.slnx
@@ -0,0 +1,11 @@
+<Solution>
+  <Folder Name="/Misc/">
+    <File Path=".github/workflows/analysis.yml" />
+    <File Path=".github/workflows/release.yml" />
+    <File Path=".github/workflows/test.yml" />
+    <File Path=".gitignore" />
+    <File Path="README.md" />
+  </Folder>
+  <Project Path="Organisationsnummer.Tests/Organisationsnummer.Tests.csproj" />
+  <Project Path="Organisationsnummer/Organisationsnummer.csproj" />
+</Solution>