diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..3c358ef
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+    "js/ts.tsdk.path": "node_modules/typescript/lib"
+}
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index e1688a5..fd30482 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8660,4 +8660,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/prisma/migrations/20260515093156_init/migration.sql b/prisma/migrations/20260515093156_init/migration.sql
new file mode 100644
index 0000000..952a522
--- /dev/null
+++ b/prisma/migrations/20260515093156_init/migration.sql
@@ -0,0 +1,2 @@
+-- CreateEnum
+CREATE TYPE "UserRole" AS ENUM ('FARMER', 'INSPECTOR', 'MANAGER', 'ADMIN', 'DEVELOPER');
diff --git a/prisma/migrations/migration_lock.toml b/prisma/migrations/migration_lock.toml
new file mode 100644
index 0000000..044d57c
--- /dev/null
+++ b/prisma/migrations/migration_lock.toml
@@ -0,0 +1,3 @@
+# Please do not edit this file manually
+# It should be added in your version-control system (e.g., Git)
+provider = "postgresql"
diff --git a/prisma/models/organisation.prisma b/prisma/models/organisation.prisma
new file mode 100644
index 0000000..1831218
--- /dev/null
+++ b/prisma/models/organisation.prisma
@@ -0,0 +1,7 @@
+model Organisation {
+  id        Int      @id @default(autoincrement())
+  name      String
+  createdAt DateTime @default(now())
+
+  projectOrganisations ProjectOrganisation[]
+}
\ No newline at end of file
diff --git a/prisma/models/project.prisma b/prisma/models/project.prisma
index 77985f9..44be224 100644
--- a/prisma/models/project.prisma
+++ b/prisma/models/project.prisma
@@ -12,6 +12,7 @@ model Project {
   adminLocation    Location?         @relation("ProjectAdminLocation", fields: [adminLocationId], references: [id], onDelete: Restrict)
   userProjects     UserProject[]
   projectTreeTypes ProjectTreeType[]
+  projectOrganisations ProjectOrganisation[]
   scanBatches      ScanBatch[]       @relation("ProjectScanBatches")
   treeScans        TreeScan[]        @relation("ProjectTreeScans")
 
diff --git a/prisma/models/projectOrganisation.prisma b/prisma/models/projectOrganisation.prisma
new file mode 100644
index 0000000..89f0289
--- /dev/null
+++ b/prisma/models/projectOrganisation.prisma
@@ -0,0 +1,10 @@
+model ProjectOrganisation {
+  projectId      Int
+  organisationId Int
+
+  project      Project       @relation(fields: [projectId], references: [id])
+  organisation Organisation  @relation(fields: [organisationId], references: [id])
+
+  @@id([projectId, organisationId])
+  @@map("project_organisations")
+}
\ No newline at end of file
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index d37099d..eadba1f 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -1,5 +1,6 @@
 generator client {
   provider = "prisma-client-js"
+  schema   = "./models"
 }
 
 datasource db {
@@ -13,4 +14,4 @@ enum UserRole {
   MANAGER
   ADMIN
   DEVELOPER
-}
+}
\ No newline at end of file
diff --git a/src/app.ts b/src/app.ts
index a040af7..4c2daab 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -38,9 +38,18 @@ app.use(express.urlencoded({ extended: true }));
 // Swagger docs
 app.use("/api-docs", swaggerUi.serve, swaggerUi.setup(swaggerSpec));
 
-// Module Routes
+// Routes (central router)
 app.use("/", routes);
 
+// Health check (keep this from your version)
+app.get("/health", (_req, res) => {
+  res.json({
+    success: true,
+    status: "ok",
+    timestamp: new Date().toISOString(),
+  });
+});
+
 // 404 & error handler
 app.use(notFound);
 app.use(errorHandler);
diff --git a/src/routes/index.ts b/src/routes/index.ts
index 3ad61b6..e10c604 100644
--- a/src/routes/index.ts
+++ b/src/routes/index.ts
@@ -1,4 +1,5 @@
 import { Router } from "express";
+
 import authRoutes from "../modules/auth/auth.routes";
 import { healthRoutes } from "../modules/health";
 import { projectTreeTypesRoutes } from "../modules/project-tree-types";
@@ -9,11 +10,14 @@ import { localizationRoutes } from "../modules/localization";
 import { adoptersRouter } from "../modules/adopters";
 import { userProjectAssignmentRoutes } from "../modules/user-project-assignment";
 import { partnersRoutes } from "../modules/partners";
-
 import treeScansRoutes from "../modules/tree-scans";
 
+// FEATURE
+import projectOrganisationsRoutes from "./projectOrganisation";
+
 const router = Router();
 
+// system routes
 router.use("/health", healthRoutes);
 router.use("/auth", authRoutes);
 router.use("/adopters", adoptersRouter);
@@ -24,7 +28,8 @@ router.use("/localized-strings", localizationRoutes);
 router.use("/user-projects", userProjectAssignmentRoutes);
 router.use("/project-tree-types", projectTreeTypesRoutes);
 router.use("/partners", partnersRoutes);
-
 router.use("/tree-scans", treeScansRoutes);
 
+router.use("/project-organisations", projectOrganisationsRoutes);
+
 export default router;
diff --git a/src/routes/projectOrganisation.ts b/src/routes/projectOrganisation.ts
new file mode 100644
index 0000000..2741dd6
--- /dev/null
+++ b/src/routes/projectOrganisation.ts
@@ -0,0 +1,95 @@
+import { Router, Request, Response, NextFunction } from "express";
+import { prisma } from "../lib/prisma";
+
+const router = Router();
+
+router.get("/", (req: Request, res: Response, next: NextFunction): void => {
+  void (async () => {
+    try {
+      const data = await prisma.projectOrganisation.findMany({
+        include: {
+          organisation: true,
+          project: true,
+        },
+      });
+
+      res.json(data);
+    } catch (error) {
+      next(error);
+    }
+  })();
+});
+
+router.post("/", (req: Request, res: Response, next: NextFunction): void => {
+  void (async () => {
+    try {
+      const { projectId, organisationId } = req.body as {
+        projectId: number;
+        organisationId: number;
+      };
+
+      if (!projectId || !organisationId) {
+        res.status(400).json({
+          message: "projectId and organisationId are required",
+        });
+        return;
+      }
+
+      const existing = await prisma.projectOrganisation.findUnique({
+        where: {
+          projectId_organisationId: {
+            projectId,
+            organisationId,
+          },
+        },
+      });
+
+      if (existing) {
+        res.status(409).json({
+          message: "Relation already exists",
+        });
+        return;
+      }
+
+      const result = await prisma.projectOrganisation.create({
+        data: {
+          projectId,
+          organisationId,
+        },
+      });
+
+      res.status(201).json(result);
+    } catch (error) {
+      next(error);
+    }
+  })();
+});
+
+router.delete(
+  "/:projectId/:organisationId",
+  (req: Request, res: Response, next: NextFunction): void => {
+    void (async () => {
+      try {
+        const { projectId, organisationId } = req.params as {
+          projectId: string;
+          organisationId: string;
+        };
+
+        const result = await prisma.projectOrganisation.delete({
+          where: {
+            projectId_organisationId: {
+              projectId: Number(projectId),
+              organisationId: Number(organisationId),
+            },
+          },
+        });
+
+        res.json(result);
+      } catch (error) {
+        next(error);
+      }
+    })();
+  },
+);
+
+export default router;