diff --git a/src/app/(dashboard)/customers/components/customer-form-sheet.tsx b/src/app/(dashboard)/customers/components/customer-form-sheet.tsx
index e02c1b7..3c68c40 100644
--- a/src/app/(dashboard)/customers/components/customer-form-sheet.tsx
+++ b/src/app/(dashboard)/customers/components/customer-form-sheet.tsx
@@ -122,6 +122,28 @@ export function CustomerFormSheet({ open, onOpenChange, customer }: Props) {
                   inputMode="numeric"
                 />
               </div>
+              <div className="grid gap-2">
+                <Label htmlFor="taxOffice">Vergi dairesi</Label>
+                <Input
+                  id="taxOffice"
+                  name="taxOffice"
+                  defaultValue={customer?.taxOffice ?? ""}
+                  placeholder="Kadıköy VD"
+                />
+              </div>
+            </div>
+
+            <div className="grid gap-4 md:grid-cols-2">
+              <div className="grid gap-2">
+                <Label htmlFor="website">Web sitesi</Label>
+                <Input
+                  id="website"
+                  name="website"
+                  type="url"
+                  defaultValue={customer?.website ?? ""}
+                  placeholder="https://firma.com"
+                />
+              </div>
               <div className="grid gap-2">
                 <Label htmlFor="status">Durum</Label>
                 <Select name="status" defaultValue={customer?.status ?? "active"}>
diff --git a/src/app/(dashboard)/customers/components/types.ts b/src/app/(dashboard)/customers/components/types.ts
index e9ba12f..ed6f555 100644
--- a/src/app/(dashboard)/customers/components/types.ts
+++ b/src/app/(dashboard)/customers/components/types.ts
@@ -4,6 +4,8 @@ export type CustomerRow = {
   email: string;
   phone: string;
   taxId: string;
+  taxOffice: string;
+  website: string;
   address: string;
   notes: string;
   status: "active" | "passive";
diff --git a/src/app/(dashboard)/customers/page.tsx b/src/app/(dashboard)/customers/page.tsx
index 2025b2f..837cdc4 100644
--- a/src/app/(dashboard)/customers/page.tsx
+++ b/src/app/(dashboard)/customers/page.tsx
@@ -43,6 +43,8 @@ export default async function CustomersPage() {
           email: c.email ?? "",
           phone: c.phone ?? "",
           taxId: c.taxId ?? "",
+          taxOffice: c.taxOffice ?? "",
+          website: c.website ?? "",
           address: c.address ?? "",
           notes: c.notes ?? "",
           status: (c.status ?? "active") as "active" | "passive",
diff --git a/src/lib/appwrite/customer-actions.ts b/src/lib/appwrite/customer-actions.ts
index 8169bc4..c51d3f7 100644
--- a/src/lib/appwrite/customer-actions.ts
+++ b/src/lib/appwrite/customer-actions.ts
@@ -29,6 +29,8 @@ function pickFormFields(formData: FormData) {
     email: String(formData.get("email") ?? "").trim(),
     phone: String(formData.get("phone") ?? "").trim(),
     taxId: String(formData.get("taxId") ?? "").trim(),
+    taxOffice: String(formData.get("taxOffice") ?? "").trim(),
+    website: String(formData.get("website") ?? "").trim(),
     address: String(formData.get("address") ?? "").trim(),
     notes: String(formData.get("notes") ?? "").trim(),
     status: (formData.get("status") as "active" | "passive" | null) ?? "active",
diff --git a/src/lib/appwrite/schema.ts b/src/lib/appwrite/schema.ts
index 98fcbe5..79d3387 100644
--- a/src/lib/appwrite/schema.ts
+++ b/src/lib/appwrite/schema.ts
@@ -73,6 +73,8 @@ export interface Customer extends Row {
   email?: string;
   phone?: string;
   taxId?: string;
+  taxOffice?: string;
+  website?: string;
   address?: string;
   notes?: string;
   status?: CustomerStatus;
diff --git a/src/lib/validation/customers.ts b/src/lib/validation/customers.ts
index 5483ebb..13b47fe 100644
--- a/src/lib/validation/customers.ts
+++ b/src/lib/validation/customers.ts
@@ -8,6 +8,8 @@ export const customerSchema = z.object({
     .transform((v) => (v ? v : undefined)),
   phone: z.string().trim().max(30).optional().transform((v) => (v ? v : undefined)),
   taxId: z.string().trim().max(50).optional().transform((v) => (v ? v : undefined)),
+  taxOffice: z.string().trim().max(100).optional().transform((v) => (v ? v : undefined)),
+  website: z.string().trim().max(255).optional().transform((v) => (v ? v : undefined)),
   address: z.string().trim().max(500).optional().transform((v) => (v ? v : undefined)),
   notes: z.string().trim().max(2000).optional().transform((v) => (v ? v : undefined)),
   status: z.enum(["active", "passive"]).optional().default("active"),