diff --git a/controller/matrix/MatrixController.js b/controller/matrix/MatrixController.js
new file mode 100644
index 0000000..c26e100
--- /dev/null
+++ b/controller/matrix/MatrixController.js
@@ -0,0 +1,32 @@
+const MatrixService = require('../../services/matrix/MatrixService');
+
+async function create(req, res) {
+  try {
+    const { name, email, force } = req.query; // email of the top node account
+    const result = await MatrixService.create({
+      name,
+      topNodeEmail: email,
+      force: String(force || '').toLowerCase() === 'true',
+      actorUser: req.user
+    });
+    return res.json({ success: true, data: result });
+  } catch (err) {
+    const status = err.status || 500;
+    return res.status(status).json({ success: false, message: err.message || 'Matrix creation failed' });
+  }
+}
+
+async function stats(req, res) {
+  try {
+    const data = await MatrixService.getStats({ actorUser: req.user });
+    return res.json({ success: true, data });
+  } catch (err) {
+    const status = err.status || 500;
+    return res.status(status).json({ success: false, message: err.message || 'Could not load matrix stats' });
+  }
+}
+
+module.exports = {
+  create,
+  stats
+};
diff --git a/database/createDb.js b/database/createDb.js
index 5d94c33..a58170a 100644
--- a/database/createDb.js
+++ b/database/createDb.js
@@ -540,6 +540,79 @@ async function createDatabase() {
         `);
         console.log('✅ Company stamps table created/verified');
 
+        // --- Matrix: Global 5-ary tree config and relations ---
+        await connection.query(`
+            CREATE TABLE IF NOT EXISTS matrix_config (
+                id TINYINT PRIMARY KEY DEFAULT 1,
+                master_top_user_id INT NOT NULL,
+                created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+                updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+                CONSTRAINT fk_matrix_config_master FOREIGN KEY (master_top_user_id) REFERENCES users(id) ON DELETE RESTRICT ON UPDATE CASCADE,
+                CONSTRAINT chk_matrix_singleton CHECK (id = 1)
+            );
+        `);
+        console.log('✅ Matrix config table created/verified');
+
+        await connection.query(`
+            CREATE TABLE IF NOT EXISTS user_tree_edges (
+                id BIGINT AUTO_INCREMENT PRIMARY KEY,
+                parent_user_id INT NOT NULL,
+                child_user_id INT NOT NULL,
+                position TINYINT NOT NULL,
+                created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+                CONSTRAINT fk_edges_parent FOREIGN KEY (parent_user_id) REFERENCES users(id) ON DELETE CASCADE ON UPDATE CASCADE,
+                CONSTRAINT fk_edges_child FOREIGN KEY (child_user_id) REFERENCES users(id) ON DELETE CASCADE ON UPDATE CASCADE,
+                CONSTRAINT uq_child UNIQUE (child_user_id),
+                CONSTRAINT uq_parent_position UNIQUE (parent_user_id, position),
+                CONSTRAINT chk_position CHECK (position BETWEEN 1 AND 5)
+            );
+        `);
+        console.log('✅ User tree edges table created/verified');
+
+        await connection.query(`
+            CREATE TABLE IF NOT EXISTS user_tree_closure (
+                ancestor_user_id INT NOT NULL,
+                descendant_user_id INT NOT NULL,
+                depth INT NOT NULL,
+                created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+                CONSTRAINT pk_closure PRIMARY KEY (ancestor_user_id, descendant_user_id),
+                CONSTRAINT fk_closure_ancestor FOREIGN KEY (ancestor_user_id) REFERENCES users(id) ON DELETE CASCADE ON UPDATE CASCADE,
+                CONSTRAINT fk_closure_descendant FOREIGN KEY (descendant_user_id) REFERENCES users(id) ON DELETE CASCADE ON UPDATE CASCADE,
+                CONSTRAINT chk_depth_nonneg CHECK (depth >= 0)
+            );
+        `);
+        console.log('✅ User tree closure table created/verified');
+
+        await connection.query(`
+            CREATE TABLE IF NOT EXISTS user_matrix_metadata (
+                root_user_id INT PRIMARY KEY,
+                ego_activated_at TIMESTAMP NULL,
+                last_bfs_fill_at TIMESTAMP NULL,
+                immediate_children_count INT DEFAULT 0,
+                first_free_position TINYINT NULL,
+                name VARCHAR(255) NULL, -- NEW: matrix display name
+                is_active BOOLEAN DEFAULT TRUE, -- NEW: activation flag
+                updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+                CONSTRAINT fk_matrix_meta_root FOREIGN KEY (root_user_id) REFERENCES users(id) ON DELETE CASCADE ON UPDATE CASCADE,
+                CONSTRAINT chk_first_free_position CHECK (first_free_position IS NULL OR (first_free_position BETWEEN 1 AND 5))
+            );
+        `);
+        console.log('✅ User matrix metadata table created/verified');
+
+        // Ensure new columns exist if table already existed
+        try {
+          await connection.query(`ALTER TABLE user_matrix_metadata ADD COLUMN name VARCHAR(255) NULL`);
+          console.log('🔧 Ensured user_matrix_metadata.name exists');
+        } catch (e) {
+          console.log('ℹ️  user_matrix_metadata.name already exists or ALTER not required');
+        }
+        try {
+          await connection.query(`ALTER TABLE user_matrix_metadata ADD COLUMN is_active BOOLEAN DEFAULT TRUE`);
+          console.log('🔧 Ensured user_matrix_metadata.is_active exists');
+        } catch (e) {
+          console.log('ℹ️  user_matrix_metadata.is_active already exists or ALTER not required');
+        }
+
         // --- Added Index Optimization Section ---
         try {
             // Core / status
@@ -576,6 +649,14 @@ async function createDatabase() {
             await ensureIndex(connection, 'document_templates', 'idx_document_templates_state_user_type', 'state, user_type'); // NEW composite index
             await ensureIndex(connection, 'company_stamps', 'idx_company_stamps_company', 'company_id');
             await ensureIndex(connection, 'company_stamps', 'idx_company_stamps_active', 'is_active');
+
+            // Matrix indexes
+            await ensureIndex(connection, 'user_tree_edges', 'idx_user_tree_edges_parent', 'parent_user_id');
+            // child_user_id already has a UNIQUE constraint; extra index not needed
+            await ensureIndex(connection, 'user_tree_closure', 'idx_user_tree_closure_ancestor_depth', 'ancestor_user_id, depth');
+            await ensureIndex(connection, 'user_tree_closure', 'idx_user_tree_closure_descendant', 'descendant_user_id');
+            await ensureIndex(connection, 'user_matrix_metadata', 'idx_user_matrix_is_active', 'is_active'); // NEW
+
             console.log('🚀 Performance indexes created/verified');
         } catch (e) {
             console.warn('⚠️  Index optimization phase encountered an issue:', e.message);
diff --git a/models/Matrix.js b/models/Matrix.js
new file mode 100644
index 0000000..c8edede
--- /dev/null
+++ b/models/Matrix.js
@@ -0,0 +1,28 @@
+class Matrix {
+  constructor({
+    // config (create)
+    name,
+    masterTopUserId,
+    masterTopUserEmail,
+    // ego activation (optional legacy fields)
+    rootUserId,
+    egoActivatedAt,
+    lastBfsFillAt,
+    immediateChildrenCount,
+    firstFreePosition
+  }) {
+    this.name = typeof name === 'string' ? name : null;
+    this.masterTopUserId = masterTopUserId !== undefined ? Number(masterTopUserId) : null;
+    this.masterTopUserEmail = masterTopUserEmail || null;
+
+    this.rootUserId = rootUserId !== undefined ? Number(rootUserId) : null;
+    this.egoActivatedAt = egoActivatedAt || null;
+    this.lastBfsFillAt = lastBfsFillAt || null;
+    this.immediateChildrenCount = immediateChildrenCount !== undefined ? Number(immediateChildrenCount || 0) : null;
+    this.firstFreePosition = firstFreePosition !== undefined
+      ? (firstFreePosition === null ? null : Number(firstFreePosition))
+      : null;
+  }
+}
+
+module.exports = Matrix;
diff --git a/repositories/matrix/MatrixRepository.js b/repositories/matrix/MatrixRepository.js
new file mode 100644
index 0000000..fe839fa
--- /dev/null
+++ b/repositories/matrix/MatrixRepository.js
@@ -0,0 +1,289 @@
+const mysql = require('mysql2/promise');
+const fs = require('fs');
+const path = require('path');
+
+const NODE_ENV = process.env.NODE_ENV || 'development';
+
+function getSSLConfig() {
+  const useSSL = String(process.env.DB_SSL || '').toLowerCase() === 'true';
+  const caPath = process.env.DB_SSL_CA_PATH;
+  if (!useSSL) return undefined;
+  try {
+    if (caPath) {
+      const resolved = path.resolve(caPath);
+      if (fs.existsSync(resolved)) {
+        return { ca: fs.readFileSync(resolved), rejectUnauthorized: false };
+      }
+    }
+  } catch (_) {}
+  return { rejectUnauthorized: false };
+}
+
+let dbConfig;
+if (NODE_ENV === 'development') {
+  dbConfig = {
+    host: process.env.DEV_DB_HOST || 'localhost',
+    port: Number(process.env.DEV_DB_PORT) || 3306,
+    user: process.env.DEV_DB_USER || 'root',
+    password: process.env.DEV_DB_PASSWORD || '',
+    database: process.env.DEV_DB_NAME || 'profitplanet_centralserver',
+    ssl: undefined
+  };
+} else {
+  dbConfig = {
+    host: process.env.DB_HOST,
+    port: Number(process.env.DB_PORT) || 3306,
+    user: process.env.DB_USER,
+    password: process.env.DB_PASSWORD,
+    database: process.env.DB_NAME,
+    ssl: getSSLConfig()
+  };
+}
+
+const pool = mysql.createPool({
+  ...dbConfig,
+  waitForConnections: true,
+  connectionLimit: 10,
+  queueLimit: 0
+});
+
+async function ensureUserExistsByEmail(conn, email) {
+  const [rows] = await conn.query('SELECT id, email FROM users WHERE LOWER(email) = LOWER(?) LIMIT 1', [email]);
+  if (!rows.length) {
+    const err = new Error('Top node user not found');
+    err.status = 404;
+    throw err;
+  }
+  return rows[0];
+}
+
+async function createMatrix({ name, topNodeEmail, force = false }) {
+  const conn = await pool.getConnection();
+  try {
+    await conn.beginTransaction();
+
+    // ensure "name" column exists on matrix_config (safe if already exists)
+    try {
+      await conn.query(`ALTER TABLE matrix_config ADD COLUMN name VARCHAR(255) NULL`);
+    } catch (_) {}
+
+    // ensure user_matrix_metadata has needed columns (safe if exists)
+    try { await conn.query(`ALTER TABLE user_matrix_metadata ADD COLUMN name VARCHAR(255) NULL`); } catch (_) {}
+    try { await conn.query(`ALTER TABLE user_matrix_metadata ADD COLUMN is_active BOOLEAN DEFAULT TRUE`); } catch (_) {}
+
+    const topUser = await ensureUserExistsByEmail(conn, topNodeEmail);
+
+    // lock matrix_config row if present
+    const [cfgRows] = await conn.query(
+      'SELECT id, master_top_user_id, name FROM matrix_config WHERE id = 1 FOR UPDATE'
+    );
+
+    if (!cfgRows.length) {
+      await conn.query(
+        'INSERT INTO matrix_config (id, master_top_user_id, name) VALUES (1, ?, ?)',
+        [topUser.id, name]
+      );
+    } else {
+      const current = cfgRows[0];
+      if (!force) {
+        const err = new Error('Matrix already exists. Pass force=true to overwrite.');
+        err.status = 409;
+        throw err;
+      }
+      await conn.query(
+        'UPDATE matrix_config SET master_top_user_id = ?, name = ?, updated_at = CURRENT_TIMESTAMP WHERE id = 1',
+        [topUser.id, name]
+      );
+    }
+
+    // ensure self-closure for the master top user
+    await conn.query(
+      'INSERT IGNORE INTO user_tree_closure (ancestor_user_id, descendant_user_id, depth) VALUES (?, ?, 0)',
+      [topUser.id, topUser.id]
+    );
+
+    // Also register this top user as an ego matrix entry with name and mark active
+    await conn.query(
+      `
+      INSERT INTO user_matrix_metadata
+        (root_user_id, ego_activated_at, last_bfs_fill_at, immediate_children_count, first_free_position, name, is_active)
+      VALUES
+        (?, NOW(), NULL, 0, 1, ?, TRUE)
+      ON DUPLICATE KEY UPDATE
+        name = VALUES(name),
+        is_active = TRUE,
+        ego_activated_at = COALESCE(user_matrix_metadata.ego_activated_at, VALUES(ego_activated_at)),
+        updated_at = CURRENT_TIMESTAMP
+      `,
+      [topUser.id, name]
+    );
+
+    await conn.commit();
+    return {
+      name,
+      masterTopUserId: topUser.id,
+      masterTopUserEmail: topUser.email
+    };
+  } catch (err) {
+    await conn.rollback();
+    throw err;
+  } finally {
+    conn.release();
+  }
+}
+
+async function ensureUserExists(conn, userId) {
+  const [rows] = await conn.query('SELECT id FROM users WHERE id = ?', [userId]);
+  if (!rows.length) {
+    const err = new Error('User not found');
+    err.status = 404;
+    throw err;
+  }
+}
+
+async function activateEgoMatrix(rootUserId) {
+  const conn = await pool.getConnection();
+  try {
+    await conn.beginTransaction();
+    await ensureUserExists(conn, rootUserId);
+    await conn.query(
+      'INSERT IGNORE INTO user_tree_closure (ancestor_user_id, descendant_user_id, depth) VALUES (?, ?, 0)',
+      [rootUserId, rootUserId]
+    );
+    const [childRows] = await conn.query(
+      'SELECT position FROM user_tree_edges WHERE parent_user_id = ? ORDER BY position ASC',
+      [rootUserId]
+    );
+    const positions = new Set(childRows.map(r => r.position));
+    let firstFreePosition = null;
+    for (let i = 1; i <= 5; i++) {
+      if (!positions.has(i)) { firstFreePosition = i; break; }
+    }
+    const immediateChildrenCount = childRows.length;
+    await conn.query(
+      `
+      INSERT INTO user_matrix_metadata
+        (root_user_id, ego_activated_at, last_bfs_fill_at, immediate_children_count, first_free_position)
+      VALUES
+        (?, NOW(), NULL, ?, ?)
+      ON DUPLICATE KEY UPDATE
+        ego_activated_at = COALESCE(ego_activated_at, VALUES(ego_activated_at)),
+        immediate_children_count = VALUES(immediate_children_count),
+        first_free_position = VALUES(first_free_position),
+        updated_at = CURRENT_TIMESTAMP
+      `,
+      [rootUserId, immediateChildrenCount, firstFreePosition]
+    );
+    const [metaRows] = await conn.query(
+      'SELECT ego_activated_at, last_bfs_fill_at, immediate_children_count, first_free_position FROM user_matrix_metadata WHERE root_user_id = ?',
+      [rootUserId]
+    );
+    const meta = metaRows[0] || {
+      ego_activated_at: null,
+      last_bfs_fill_at: null,
+      immediate_children_count: immediateChildrenCount,
+      first_free_position: firstFreePosition
+    };
+    await conn.commit();
+    return {
+      rootUserId,
+      egoActivatedAt: meta.ego_activated_at,
+      lastBfsFillAt: meta.last_bfs_fill_at,
+      immediateChildrenCount: meta.immediate_children_count,
+      firstFreePosition: meta.first_free_position
+    };
+  } catch (err) {
+    await conn.rollback();
+    throw err;
+  } finally {
+    conn.release();
+  }
+}
+
+async function getMatrixStats() {
+  const conn = await pool.getConnection();
+  try {
+    // list all matrices (ego entries)
+    const [matRows] = await conn.query(
+      `
+      SELECT m.root_user_id, m.name, m.is_active, m.ego_activated_at, u.email
+      FROM user_matrix_metadata m
+      JOIN users u ON u.id = m.root_user_id
+      ORDER BY COALESCE(m.ego_activated_at, u.created_at) ASC
+      `
+    );
+
+    const rootIds = matRows.map(r => r.root_user_id);
+    let countsByRoot = new Map();
+
+    if (rootIds.length) {
+      // counts per matrix up to depth 5
+      const [cntRows] = await conn.query(
+        `
+        SELECT ancestor_user_id AS root_id, COUNT(*) AS cnt
+        FROM user_tree_closure
+        WHERE depth BETWEEN 0 AND 5
+          AND ancestor_user_id IN (?)
+        GROUP BY ancestor_user_id
+        `,
+        [rootIds]
+      );
+      countsByRoot = new Map(cntRows.map(r => [Number(r.root_id), Number(r.cnt)]));
+
+      // total distinct users across all active matrices
+      const [activeIdsRows] = await conn.query(
+        `SELECT root_user_id FROM user_matrix_metadata WHERE is_active = TRUE AND root_user_id IN (?)`,
+        [rootIds]
+      );
+      const activeIds = activeIdsRows.map(r => r.root_user_id);
+      let totalDistinct = 0;
+      if (activeIds.length) {
+        const [totalDistinctRows] = await conn.query(
+          `
+          SELECT COUNT(DISTINCT descendant_user_id) AS total
+          FROM user_tree_closure
+          WHERE depth BETWEEN 0 AND 5
+            AND ancestor_user_id IN (?)
+          `,
+          [activeIds]
+        );
+        totalDistinct = Number(totalDistinctRows[0]?.total || 0);
+      }
+
+      const activeMatrices = matRows.filter(r => !!r.is_active).length;
+      const totalMatrices = matRows.length;
+
+      const matrices = matRows.map(r => ({
+        rootUserId: r.root_user_id,
+        name: r.name || null,
+        isActive: !!r.is_active,
+        usersCount: countsByRoot.get(Number(r.root_user_id)) || 0,
+        createdAt: r.ego_activated_at || null,
+        topNodeEmail: r.email
+      }));
+
+      return {
+        activeMatrices,
+        totalMatrices,
+        totalUsersSubscribed: totalDistinct,
+        matrices
+      };
+    }
+
+    // no matrices registered
+    return {
+      activeMatrices: 0,
+      totalMatrices: 0,
+      totalUsersSubscribed: 0,
+      matrices: []
+    };
+  } finally {
+    conn.release();
+  }
+}
+
+module.exports = {
+  createMatrix,
+  activateEgoMatrix,
+  getMatrixStats
+};
diff --git a/routes/getRoutes.js b/routes/getRoutes.js
index b193f27..be5613e 100644
--- a/routes/getRoutes.js
+++ b/routes/getRoutes.js
@@ -14,6 +14,7 @@ const ServerStatusController = require('../controller/admin/ServerStatusControll
 const UserController = require('../controller/auth/UserController');
 const UserStatusController = require('../controller/auth/UserStatusController');
 const CompanyStampController = require('../controller/companyStamp/CompanyStampController'); // <-- added
+const MatrixController = require('../controller/matrix/MatrixController'); // <-- added
 
 // small helpers copied from original files
 function adminOnly(req, res, next) {
@@ -96,5 +97,9 @@ router.get('/api/document-templates', authMiddleware, adminOnly, DocumentTemplat
 router.get('/company-stamps/mine', authMiddleware, adminOnly, forceCompanyForAdmin, CompanyStampController.listMine);
 router.get('/company-stamps/mine/active', authMiddleware, adminOnly, forceCompanyForAdmin, CompanyStampController.activeMine);
 
+// Matrix GETs
+router.get('/matrix/create', authMiddleware, adminOnly, MatrixController.create); // ?name=...&email=...&force=true
+router.get('/matrix/stats', authMiddleware, adminOnly, MatrixController.stats); // NEW: real stats for dashboard
+
 // export
 module.exports = router;
\ No newline at end of file
diff --git a/services/matrix/MatrixService.js b/services/matrix/MatrixService.js
new file mode 100644
index 0000000..ee63088
--- /dev/null
+++ b/services/matrix/MatrixService.js
@@ -0,0 +1,83 @@
+const MatrixRepository = require('../../repositories/matrix/MatrixRepository');
+const Matrix = require('../../models/Matrix');
+
+function isAdmin(user) {
+  return !!user && ['admin', 'super_admin'].includes(user.role);
+}
+
+function isValidEmail(s) {
+  return typeof s === 'string' && /\S+@\S+\.\S+/.test(s);
+}
+
+async function create({ name, topNodeEmail, force = false, actorUser }) {
+  if (!actorUser) {
+    const err = new Error('Unauthorized');
+    err.status = 401;
+    throw err;
+  }
+  if (!isAdmin(actorUser)) {
+    const err = new Error('Forbidden: Admins only');
+    err.status = 403;
+    throw err;
+  }
+  const trimmedName = (name || '').trim();
+  if (!trimmedName) {
+    const err = new Error('Matrix name is required');
+    err.status = 400;
+    throw err;
+  }
+  if (trimmedName.length > 255) {
+    const err = new Error('Matrix name is too long');
+    err.status = 400;
+    throw err;
+  }
+  const email = (topNodeEmail || '').trim().toLowerCase();
+  if (!isValidEmail(email)) {
+    const err = new Error('Valid top node email is required');
+    err.status = 400;
+    throw err;
+  }
+
+  const res = await MatrixRepository.createMatrix({ name: trimmedName, topNodeEmail: email, force });
+
+  return new Matrix({
+    name: res.name,
+    masterTopUserId: res.masterTopUserId,
+    masterTopUserEmail: res.masterTopUserEmail
+  });
+}
+
+async function getStats({ actorUser }) {
+  if (!actorUser) {
+    const err = new Error('Unauthorized');
+    err.status = 401;
+    throw err;
+  }
+  if (!isAdmin(actorUser)) {
+    const err = new Error('Forbidden: Admins only');
+    err.status = 403;
+    throw err;
+  }
+
+  const stats = await MatrixRepository.getMatrixStats();
+
+  // Keep the response shape straightforward for the dashboard
+  return {
+    activeMatrices: stats.activeMatrices,
+    totalMatrices: stats.totalMatrices,
+    totalUsersSubscribed: stats.totalUsersSubscribed,
+    matrices: stats.matrices.map(m => ({
+      rootUserId: m.rootUserId,
+      name: m.name,
+      isActive: !!m.isActive,
+      usersCount: m.usersCount,
+      createdAt: m.createdAt, // equals ego_activated_at
+      topNodeEmail: m.topNodeEmail
+    }))
+  };
+}
+
+module.exports = {
+  create,
+  getStats
+};