diff --git a/db/brand.db.js b/db/brand.db.js
new file mode 100644
index 0000000..4a80cf0
--- /dev/null
+++ b/db/brand.db.js
@@ -0,0 +1,76 @@
+const pool = require("../config");
+
+// Get all brands
+const getAllBrandsDb = async () => {
+  const queryText = `
+    SELECT *
+    FROM m_brands
+    WHERE deleted_at IS NULL
+    ORDER BY brand_id ASC
+  `;
+  const result = await pool.query(queryText);
+  return result.recordset;
+};
+
+// Get brand by ID
+const getBrandByIdDb = async (id) => {
+  const queryText = `
+    SELECT *
+    FROM m_brands
+    WHERE brand_id = $1
+      AND deleted_at IS NULL
+  `;
+  const result = await pool.query(queryText, [id]);
+  return result.recordset[0];
+};
+
+// Get brand by name
+const getBrandByNameDb = async (name) => {
+  const queryText = `
+    SELECT *
+    FROM m_brands
+    WHERE brand_name = $1
+      AND deleted_at IS NULL
+  `;
+  const result = await pool.query(queryText, [name]);
+  return result.recordset[0];
+};
+
+// Create brand
+const createBrandDb = async (data) => {
+  const { query: queryText, values } = pool.buildDynamicInsert("m_brands", data);
+  const result = await pool.query(queryText, values);
+  const insertedId = result.recordset[0]?.inserted_id;
+  if (!insertedId) return null;
+
+  return getBrandByIdDb(insertedId);
+};
+
+// Update brand
+const updateBrandDb = async (id, data) => {
+  const { query: queryText, values } = pool.buildDynamicUpdate("m_brands", data, { brand_id: id });
+  await pool.query(queryText, values);
+  return getBrandByIdDb(id);
+};
+
+// Soft delete brand
+const softDeleteBrandDb = async (id, deletedBy) => {
+  const queryText = `
+    UPDATE m_brands
+    SET deleted_at = GETDATE(),
+        deleted_by = $1
+    WHERE brand_id = $2
+      AND deleted_at IS NULL
+  `;
+  await pool.query(queryText, [deletedBy, id]);
+  return true;
+};
+
+module.exports = {
+  getAllBrandsDb,
+  getBrandByIdDb,
+  getBrandByNameDb,
+  createBrandDb,
+  updateBrandDb,
+  softDeleteBrandDb,
+};