diff --git a/apps/web/src/components/forms/signup.tsx b/apps/web/src/components/forms/signup.tsx
index 917ae545b..e77d0ac00 100644
--- a/apps/web/src/components/forms/signup.tsx
+++ b/apps/web/src/components/forms/signup.tsx
@@ -3,13 +3,14 @@
 import { zodResolver } from '@hookform/resolvers/zod';
 import { Loader } from 'lucide-react';
 import { signIn } from 'next-auth/react';
-import { useForm } from 'react-hook-form';
+import { Controller, useForm } from 'react-hook-form';
 import { z } from 'zod';
 
 import { TRPCClientError } from '@documenso/trpc/client';
 import { trpc } from '@documenso/trpc/react';
 import { cn } from '@documenso/ui/lib/utils';
 import { Button } from '@documenso/ui/primitives/button';
+import { FormErrorMessage } from '@documenso/ui/primitives/form/form-error-message';
 import { Input } from '@documenso/ui/primitives/input';
 import { Label } from '@documenso/ui/primitives/label';
 import { SignaturePad } from '@documenso/ui/primitives/signature-pad';
@@ -19,6 +20,7 @@ export const ZSignUpFormSchema = z.object({
   name: z.string().min(1),
   email: z.string().email().min(1),
   password: z.string().min(6).max(72),
+  signature: z.string().min(1, { message: 'We need your signature to sign documents' }),
 });
 
 export type TSignUpFormSchema = z.infer<typeof ZSignUpFormSchema>;
@@ -31,6 +33,7 @@ export const SignUpForm = ({ className }: SignUpFormProps) => {
   const { toast } = useToast();
 
   const {
+    control,
     register,
     handleSubmit,
     formState: { errors, isSubmitting },
@@ -39,15 +42,16 @@ export const SignUpForm = ({ className }: SignUpFormProps) => {
       name: '',
       email: '',
       password: '',
+      signature: '',
     },
     resolver: zodResolver(ZSignUpFormSchema),
   });
 
   const { mutateAsync: signup } = trpc.auth.signup.useMutation();
 
-  const onFormSubmit = async ({ name, email, password }: TSignUpFormSchema) => {
+  const onFormSubmit = async ({ name, email, password, signature }: TSignUpFormSchema) => {
     try {
-      await signup({ name, email, password });
+      await signup({ name, email, password, signature });
 
       await signIn('credentials', {
         email,
@@ -119,8 +123,19 @@ export const SignUpForm = ({ className }: SignUpFormProps) => {
         </Label>
 
         <div>
-          <SignaturePad className="mt-2 h-36 w-full rounded-lg border bg-white dark:border-[#e2d7c5] dark:bg-[#fcf8ee]" />
+          <Controller
+            control={control}
+            name="signature"
+            render={({ field: { onChange } }) => (
+              <SignaturePad
+                className="mt-2 h-36 w-full rounded-lg border bg-white dark:border-[#e2d7c5] dark:bg-[#fcf8ee]"
+                onChange={(v) => onChange(v ?? '')}
+              />
+            )}
+          />
         </div>
+
+        <FormErrorMessage className="mt-1.5" error={errors.signature} />
       </div>
 
       <Button size="lg" disabled={isSubmitting} className="dark:bg-documenso dark:hover:opacity-90">
diff --git a/packages/lib/server-only/user/create-user.ts b/packages/lib/server-only/user/create-user.ts
index 5a971562b..46c43b93b 100644
--- a/packages/lib/server-only/user/create-user.ts
+++ b/packages/lib/server-only/user/create-user.ts
@@ -9,9 +9,10 @@ export interface CreateUserOptions {
   name: string;
   email: string;
   password: string;
+  signature?: string | null;
 }
 
-export const createUser = async ({ name, email, password }: CreateUserOptions) => {
+export const createUser = async ({ name, email, password, signature }: CreateUserOptions) => {
   const hashedPassword = await hash(password, SALT_ROUNDS);
 
   const userExists = await prisma.user.findFirst({
@@ -29,6 +30,7 @@ export const createUser = async ({ name, email, password }: CreateUserOptions) =
       name,
       email: email.toLowerCase(),
       password: hashedPassword,
+      signature,
       identityProvider: IdentityProvider.DOCUMENSO,
     },
   });
diff --git a/packages/trpc/server/auth-router/router.ts b/packages/trpc/server/auth-router/router.ts
index 0e127a508..ecb01cca3 100644
--- a/packages/trpc/server/auth-router/router.ts
+++ b/packages/trpc/server/auth-router/router.ts
@@ -8,9 +8,9 @@ import { ZSignUpMutationSchema } from './schema';
 export const authRouter = router({
   signup: procedure.input(ZSignUpMutationSchema).mutation(async ({ input }) => {
     try {
-      const { name, email, password } = input;
+      const { name, email, password, signature } = input;
 
-      return await createUser({ name, email, password });
+      return await createUser({ name, email, password, signature });
     } catch (err) {
       console.error(err);
 
diff --git a/packages/trpc/server/auth-router/schema.ts b/packages/trpc/server/auth-router/schema.ts
index 04714e0fe..bdc9cd742 100644
--- a/packages/trpc/server/auth-router/schema.ts
+++ b/packages/trpc/server/auth-router/schema.ts
@@ -4,6 +4,7 @@ export const ZSignUpMutationSchema = z.object({
   name: z.string().min(1),
   email: z.string().email(),
   password: z.string().min(6),
+  signature: z.string().min(1, { message: 'A signature is required.' }),
 });
 
 export type TSignUpMutationSchema = z.infer<typeof ZSignUpMutationSchema>;