diff --git a/frontend/web/src/components/FeatureBadge.tsx b/frontend/web/src/components/FeatureBadge.tsx
index 3074be9..351f868 100644
--- a/frontend/web/src/components/FeatureBadge.tsx
+++ b/frontend/web/src/components/FeatureBadge.tsx
@@ -1,11 +1,20 @@
 import { Tooltip } from "@mui/joy";
+import { FeatureType, checkFeatureAvailable } from "@/helpers/feature";
+import { useWorkspaceStore } from "@/stores";
 import Icon from "./Icon";
 
 interface Props {
+  feature: FeatureType;
   className?: string;
 }
 
-const FeatureBadge = ({ className }: Props) => {
+const FeatureBadge = ({ feature, className }: Props) => {
+  const workspaceStore = useWorkspaceStore();
+  const isFeatureEnabled = checkFeatureAvailable(feature, workspaceStore.profile.plan);
+
+  if (isFeatureEnabled) {
+    return null;
+  }
   return (
     <Tooltip title="This feature is not available on your plan." className={className} placement="top" arrow>
       <Icon.Sparkles />
diff --git a/frontend/web/src/components/setting/MemberSection.tsx b/frontend/web/src/components/setting/MemberSection.tsx
index 97ae67a..b08c3d2 100644
--- a/frontend/web/src/components/setting/MemberSection.tsx
+++ b/frontend/web/src/components/setting/MemberSection.tsx
@@ -67,20 +67,20 @@ const MemberSection = () => {
           </div>
           <div className="mt-2 flow-root">
             <div className="overflow-x-auto">
-              <div className="inline-block min-w-full py-2 align-middle">
+              <div className="inline-block border rounded-lg border-gray-300 dark:border-zinc-700 min-w-full align-middle">
                 <table className="min-w-full divide-y divide-gray-300 dark:divide-zinc-700">
                   <thead>
                     <tr>
-                      <th scope="col" className="py-3.5 pl-4 pr-3 text-left text-sm font-semibold text-gray-900 dark:text-gray-500">
+                      <th scope="col" className="py-3 pl-4 pr-3 text-left text-sm font-semibold text-gray-900 dark:text-gray-500">
                         {t("user.nickname")}
                       </th>
-                      <th scope="col" className="px-3 py-3.5 text-left text-sm font-semibold text-gray-900 dark:text-gray-500">
+                      <th scope="col" className="px-3 py-3 text-left text-sm font-semibold text-gray-900 dark:text-gray-500">
                         {t("user.email")}
                       </th>
-                      <th scope="col" className="px-3 py-3.5 text-left text-sm font-semibold text-gray-900 dark:text-gray-500">
+                      <th scope="col" className="px-3 py-3 text-left text-sm font-semibold text-gray-900 dark:text-gray-500">
                         {t("user.role")}
                       </th>
-                      <th scope="col" className="relative py-3.5 pl-3 pr-4">
+                      <th scope="col" className="relative py-3 pl-3 pr-4">
                         <span className="sr-only">{t("common.edit")}</span>
                       </th>
                     </tr>
@@ -88,10 +88,10 @@ const MemberSection = () => {
                   <tbody className="divide-y divide-gray-200 dark:divide-zinc-800">
                     {userList.map((user) => (
                       <tr key={user.email}>
-                        <td className="whitespace-nowrap py-4 pl-4 pr-3 text-sm text-gray-900 dark:text-gray-500">{user.nickname}</td>
-                        <td className="whitespace-nowrap px-3 py-4 text-sm text-gray-500">{user.email}</td>
-                        <td className="whitespace-nowrap px-3 py-4 text-sm text-gray-500">{convertRoleFromPb(user.role)}</td>
-                        <td className="relative whitespace-nowrap py-4 pl-3 pr-4 text-right text-sm">
+                        <td className="whitespace-nowrap py-2 pl-4 pr-3 text-sm text-gray-900 dark:text-gray-500">{user.nickname}</td>
+                        <td className="whitespace-nowrap px-3 py-2 text-sm text-gray-500">{user.email}</td>
+                        <td className="whitespace-nowrap px-3 py-2 text-sm text-gray-500">{convertRoleFromPb(user.role)}</td>
+                        <td className="relative whitespace-nowrap py-2 pl-3 pr-4 text-right text-sm">
                           <IconButton
                             size="sm"
                             variant="plain"
diff --git a/frontend/web/src/components/setting/SSOSection.tsx b/frontend/web/src/components/setting/SSOSection.tsx
index 40226ea..3630ab7 100644
--- a/frontend/web/src/components/setting/SSOSection.tsx
+++ b/frontend/web/src/components/setting/SSOSection.tsx
@@ -3,9 +3,11 @@ import { useEffect, useState } from "react";
 import toast from "react-hot-toast";
 import { useTranslation } from "react-i18next";
 import { workspaceServiceClient } from "@/grpcweb";
+import { checkFeatureAvailable, FeatureType } from "@/helpers/feature";
 import { useWorkspaceStore } from "@/stores";
 import { IdentityProvider } from "@/types/proto/api/v1/workspace_service";
 import CreateIdentityProviderDrawer from "../CreateIdentityProviderDrawer";
+import FeatureBadge from "../FeatureBadge";
 import Icon from "../Icon";
 
 interface EditState {
@@ -19,6 +21,7 @@ const SSOSection = () => {
   const workspaceStore = useWorkspaceStore();
   const [identityProviderList, setIdentityProviderList] = useState<IdentityProvider[]>([]);
   const [editState, setEditState] = useState<EditState>({ open: false, identityProvider: undefined });
+  const isSSOFeatureEnabled = checkFeatureAvailable(FeatureType.SSO, workspaceStore.profile.plan);
 
   useEffect(() => {
     fetchIdentityProviderList();
@@ -53,10 +56,12 @@ const SSOSection = () => {
         <div className="w-full flex flex-row justify-between items-center gap-1">
           <div className="flex flex-row items-center gap-1">
             <span className="font-medium dark:text-gray-400">SSO</span>
+            <FeatureBadge className="w-5 h-auto ml-1 text-blue-600" feature={FeatureType.SSO} />
           </div>
           <Button
             variant="outlined"
             color="neutral"
+            disabled={!isSSOFeatureEnabled}
             onClick={() =>
               setEditState({
                 open: true,
@@ -70,17 +75,17 @@ const SSOSection = () => {
         {identityProviderList.length > 0 && (
           <div className="mt-2 flow-root">
             <div className="overflow-x-auto">
-              <div className="inline-block min-w-full py-2 align-middle">
+              <div className="inline-block border rounded-lg border-gray-300 dark:border-zinc-700 min-w-full align-middle">
                 <table className="min-w-full divide-y divide-gray-300 dark:divide-zinc-700">
                   <thead>
                     <tr>
-                      <th scope="col" className="py-3.5 pl-4 pr-3 text-left text-sm font-semibold text-gray-900 dark:text-gray-500">
+                      <th scope="col" className="py-2 pl-4 pr-3 text-left text-sm font-semibold text-gray-900 dark:text-gray-500">
                         ID
                       </th>
-                      <th scope="col" className="px-3 py-3.5 text-left text-sm font-semibold text-gray-900 dark:text-gray-500">
+                      <th scope="col" className="px-3 py-2 text-left text-sm font-semibold text-gray-900 dark:text-gray-500">
                         Title
                       </th>
-                      <th scope="col" className="relative py-3.5 pl-3 pr-4">
+                      <th scope="col" className="relative py-2 pl-3 pr-4">
                         <span className="sr-only">{t("common.edit")}</span>
                       </th>
                     </tr>
@@ -88,11 +93,11 @@ const SSOSection = () => {
                   <tbody className="divide-y divide-gray-200 dark:divide-zinc-800">
                     {identityProviderList.map((identityProvider) => (
                       <tr key={identityProvider.name}>
-                        <td className="whitespace-nowrap py-4 pl-4 pr-3 text-sm text-gray-900 dark:text-gray-500">
+                        <td className="whitespace-nowrap py-2 pl-4 pr-3 text-sm text-gray-900 dark:text-gray-500">
                           {identityProvider.name}
                         </td>
-                        <td className="whitespace-nowrap px-3 py-4 text-sm text-gray-500">{identityProvider.title}</td>
-                        <td className="relative whitespace-nowrap py-4 pl-3 pr-4 text-right text-sm">
+                        <td className="whitespace-nowrap px-3 py-2 text-sm text-gray-500">{identityProvider.title}</td>
+                        <td className="relative whitespace-nowrap py-2 pl-3 pr-4 text-right text-sm">
                           <IconButton
                             size="sm"
                             variant="plain"
diff --git a/frontend/web/src/components/setting/WorkspaceSection.tsx b/frontend/web/src/components/setting/WorkspaceSection.tsx
index ca62179..f721111 100644
--- a/frontend/web/src/components/setting/WorkspaceSection.tsx
+++ b/frontend/web/src/components/setting/WorkspaceSection.tsx
@@ -4,6 +4,7 @@ import { useRef, useState } from "react";
 import toast from "react-hot-toast";
 import { useTranslation } from "react-i18next";
 import { workspaceServiceClient } from "@/grpcweb";
+import { FeatureType } from "@/helpers/feature";
 import { useWorkspaceStore } from "@/stores";
 import { Visibility } from "@/types/proto/api/v1/common";
 import { PlanType } from "@/types/proto/api/v1/subscription_service";
@@ -102,7 +103,7 @@ const WorkspaceSection = () => {
           <div className="w-full flex flex-col justify-start items-start">
             <p className="flex flex-row justify-start items-center">
               <span className="font-medium dark:text-gray-400">Custom branding</span>
-              <FeatureBadge className="w-5 h-auto ml-1 text-blue-600" />
+              <FeatureBadge className="w-5 h-auto ml-1 text-blue-600" feature={FeatureType.CustomeBranding} />
             </p>
             <p className="text-sm text-gray-500 leading-tight">Recommand logo ratio: 1:1</p>
           </div>
diff --git a/frontend/web/src/helpers/feature.ts b/frontend/web/src/helpers/feature.ts
new file mode 100644
index 0000000..b81fe7f
--- /dev/null
+++ b/frontend/web/src/helpers/feature.ts
@@ -0,0 +1,51 @@
+// const (
+// 	// Enterprise features.
+import { PlanType } from "@/types/proto/api/v1/subscription_service";
+
+// 	// FeatureTypeSSO allows the user to use SSO.
+// 	FeatureTypeSSO FeatureType = "ysh.slash.sso"
+// 	// FeatureTypeAdvancedAnalytics allows the user to use advanced analytics.
+// 	FeatureTypeAdvancedAnalytics FeatureType = "ysh.slash.advanced-analytics"
+
+// 	// Usages.
+
+// 	// FeatureTypeUnlimitedAccounts allows the user to create unlimited accounts.
+// 	FeatureTypeUnlimitedAccounts FeatureType = "ysh.slash.unlimited-accounts"
+// 	// FeatureTypeUnlimitedAccounts allows the user to create unlimited collections.
+// 	FeatureTypeUnlimitedCollections FeatureType = "ysh.slash.unlimited-collections"
+
+// 	// Customization.
+
+// 	// FeatureTypeCustomeBranding allows the user to customize the branding.
+// 	FeatureTypeCustomeBranding FeatureType = "ysh.slash.custom-branding"
+// )
+
+export enum FeatureType {
+  SSO = "ysh.slash.sso",
+  AdvancedAnalytics = "ysh.slash.advanced-analytics",
+  UnlimitedAccounts = "ysh.slash.unlimited-accounts",
+  UnlimitedCollections = "ysh.slash.unlimited-collections",
+  CustomeBranding = "ysh.slash.custom-branding",
+}
+
+const FeatureMatrix: Record<FeatureType, [boolean, boolean, boolean]> = {
+  [FeatureType.SSO]: [false, false, true],
+  [FeatureType.AdvancedAnalytics]: [false, false, true],
+  [FeatureType.UnlimitedAccounts]: [false, true, false],
+  [FeatureType.UnlimitedCollections]: [false, true, true],
+  [FeatureType.CustomeBranding]: [false, true, true],
+};
+
+export const checkFeatureAvailable = (feature: FeatureType, plan: PlanType): boolean => {
+  const [isFree, isPro, isEnterprise] = FeatureMatrix[feature];
+  switch (plan) {
+    case PlanType.FREE:
+      return isFree;
+    case PlanType.PRO:
+      return isPro;
+    case PlanType.ENTERPRISE:
+      return isEnterprise;
+    default:
+      return false;
+  }
+};
diff --git a/proto/api/v1/subscription_service.proto b/proto/api/v1/subscription_service.proto
index ffa2b16..26faf45 100644
--- a/proto/api/v1/subscription_service.proto
+++ b/proto/api/v1/subscription_service.proto
@@ -26,12 +26,17 @@ message Subscription {
   google.protobuf.Timestamp started_time = 2 [(google.api.field_behavior) = OUTPUT_ONLY];
 
   google.protobuf.Timestamp expires_time = 3 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  int32 seats = 4 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  repeated string features = 5 [(google.api.field_behavior) = OUTPUT_ONLY];
 }
 
 enum PlanType {
   PLAN_TYPE_UNSPECIFIED = 0;
   FREE = 1;
   PRO = 2;
+  ENTERPRISE = 3;
 }
 
 message GetSubscriptionRequest {}
diff --git a/proto/gen/api/v1/README.md b/proto/gen/api/v1/README.md
index 0901124..842471d 100644
--- a/proto/gen/api/v1/README.md
+++ b/proto/gen/api/v1/README.md
@@ -1144,6 +1144,8 @@
 | plan | [PlanType](#slash-api-v1-PlanType) |  |  |
 | started_time | [google.protobuf.Timestamp](#google-protobuf-Timestamp) |  |  |
 | expires_time | [google.protobuf.Timestamp](#google-protobuf-Timestamp) |  |  |
+| seats | [int32](#int32) |  |  |
+| features | [string](#string) | repeated |  |
 
 
 
@@ -1192,6 +1194,7 @@
 | PLAN_TYPE_UNSPECIFIED | 0 |  |
 | FREE | 1 |  |
 | PRO | 2 |  |
+| ENTERPRISE | 3 |  |
 
 
  
diff --git a/proto/gen/api/v1/subscription_service.pb.go b/proto/gen/api/v1/subscription_service.pb.go
index 3bc3ff0..0238b79 100644
--- a/proto/gen/api/v1/subscription_service.pb.go
+++ b/proto/gen/api/v1/subscription_service.pb.go
@@ -28,6 +28,7 @@ const (
 	PlanType_PLAN_TYPE_UNSPECIFIED PlanType = 0
 	PlanType_FREE                  PlanType = 1
 	PlanType_PRO                   PlanType = 2
+	PlanType_ENTERPRISE            PlanType = 3
 )
 
 // Enum value maps for PlanType.
@@ -36,11 +37,13 @@ var (
 		0: "PLAN_TYPE_UNSPECIFIED",
 		1: "FREE",
 		2: "PRO",
+		3: "ENTERPRISE",
 	}
 	PlanType_value = map[string]int32{
 		"PLAN_TYPE_UNSPECIFIED": 0,
 		"FREE":                  1,
 		"PRO":                   2,
+		"ENTERPRISE":            3,
 	}
 )
 
@@ -79,6 +82,8 @@ type Subscription struct {
 	Plan        PlanType               `protobuf:"varint,1,opt,name=plan,proto3,enum=slash.api.v1.PlanType" json:"plan,omitempty"`
 	StartedTime *timestamppb.Timestamp `protobuf:"bytes,2,opt,name=started_time,json=startedTime,proto3" json:"started_time,omitempty"`
 	ExpiresTime *timestamppb.Timestamp `protobuf:"bytes,3,opt,name=expires_time,json=expiresTime,proto3" json:"expires_time,omitempty"`
+	Seats       int32                  `protobuf:"varint,4,opt,name=seats,proto3" json:"seats,omitempty"`
+	Features    []string               `protobuf:"bytes,5,rep,name=features,proto3" json:"features,omitempty"`
 }
 
 func (x *Subscription) Reset() {
@@ -134,6 +139,20 @@ func (x *Subscription) GetExpiresTime() *timestamppb.Timestamp {
 	return nil
 }
 
+func (x *Subscription) GetSeats() int32 {
+	if x != nil {
+		return x.Seats
+	}
+	return 0
+}
+
+func (x *Subscription) GetFeatures() []string {
+	if x != nil {
+		return x.Features
+	}
+	return nil
+}
+
 type GetSubscriptionRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -325,7 +344,7 @@ var file_api_v1_subscription_service_proto_rawDesc = []byte{
 	0x64, 0x5f, 0x62, 0x65, 0x68, 0x61, 0x76, 0x69, 0x6f, 0x72, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
 	0x1a, 0x1f, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75,
 	0x66, 0x2f, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x74,
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+	0x6f, 0x22, 0x88, 0x02, 0x0a, 0x0c, 0x53, 0x75, 0x62, 0x73, 0x63, 0x72, 0x69, 0x70, 0x74, 0x69,
 	0x6f, 0x6e, 0x12, 0x30, 0x0a, 0x04, 0x70, 0x6c, 0x61, 0x6e, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0e,
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@@ -337,58 +356,63 @@ var file_api_v1_subscription_service_proto_rawDesc = []byte{
 	0x69, 0x72, 0x65, 0x73, 0x5f, 0x74, 0x69, 0x6d, 0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0b, 0x32,
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+	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
diff --git a/proto/gen/apidocs.swagger.yaml b/proto/gen/apidocs.swagger.yaml
index 3ec001e..98dd5d6 100644
--- a/proto/gen/apidocs.swagger.yaml
+++ b/proto/gen/apidocs.swagger.yaml
@@ -1100,6 +1100,7 @@ definitions:
       - PLAN_TYPE_UNSPECIFIED
       - FREE
       - PRO
+      - ENTERPRISE
     default: PLAN_TYPE_UNSPECIFIED
   v1Role:
     type: string
@@ -1122,6 +1123,15 @@ definitions:
         type: string
         format: date-time
         readOnly: true
+      seats:
+        type: integer
+        format: int32
+        readOnly: true
+      features:
+        type: array
+        items:
+          type: string
+        readOnly: true
   v1UpdateCollectionResponse:
     type: object
     properties:
diff --git a/server/route/api/v1/auth_service.go b/server/route/api/v1/auth_service.go
index 7d7a09f..26f3e48 100644
--- a/server/route/api/v1/auth_service.go
+++ b/server/route/api/v1/auth_service.go
@@ -58,6 +58,10 @@ func (s *APIV1Service) SignIn(ctx context.Context, request *v1pb.SignInRequest)
 }
 
 func (s *APIV1Service) SignInWithSSO(ctx context.Context, request *v1pb.SignInWithSSORequest) (*v1pb.User, error) {
+	if !s.LicenseService.IsFeatureEnabled(license.FeatureTypeSSO) {
+		return nil, status.Errorf(codes.PermissionDenied, "SSO is not available in the current plan")
+	}
+
 	identityProviderSetting, err := s.Store.GetWorkspaceSetting(ctx, &store.FindWorkspaceSetting{
 		Key: storepb.WorkspaceSettingKey_WORKSPACE_SETTING_IDENTITY_PROVIDER,
 	})
@@ -105,6 +109,9 @@ func (s *APIV1Service) SignInWithSSO(ctx context.Context, request *v1pb.SignInWi
 		return nil, status.Errorf(codes.Internal, fmt.Sprintf("failed to find user by email %s", email))
 	}
 	if user == nil {
+		if err := s.checkSeatAvailability(ctx); err != nil {
+			return nil, err
+		}
 		userCreate := &store.User{
 			Email:    email,
 			Nickname: userInfo.DisplayName,
@@ -139,15 +146,8 @@ func (s *APIV1Service) SignUp(ctx context.Context, request *v1pb.SignUpRequest)
 	if !s.Profile.Public {
 		return nil, status.Errorf(codes.PermissionDenied, "sign up is not allowed")
 	}
-
-	if !s.LicenseService.IsFeatureEnabled(license.FeatureTypeUnlimitedAccounts) {
-		userList, err := s.Store.ListUsers(ctx, &store.FindUser{})
-		if err != nil {
-			return nil, status.Errorf(codes.Internal, fmt.Sprintf("failed to list users, err: %s", err))
-		}
-		if len(userList) >= 5 {
-			return nil, status.Errorf(codes.InvalidArgument, "maximum number of users reached")
-		}
+	if err := s.checkSeatAvailability(ctx); err != nil {
+		return nil, err
 	}
 
 	passwordHash, err := bcrypt.GenerateFromPassword([]byte(request.Password), bcrypt.DefaultCost)
@@ -210,3 +210,17 @@ func (*APIV1Service) SignOut(ctx context.Context, _ *v1pb.SignOutRequest) (*empt
 	}
 	return &emptypb.Empty{}, nil
 }
+
+func (s *APIV1Service) checkSeatAvailability(ctx context.Context) error {
+	if !s.LicenseService.IsFeatureEnabled(license.FeatureTypeUnlimitedAccounts) {
+		userList, err := s.Store.ListUsers(ctx, &store.FindUser{})
+		if err != nil {
+			return status.Errorf(codes.Internal, fmt.Sprintf("failed to list users, err: %s", err))
+		}
+		seats := s.LicenseService.GetSubscription().Seats
+		if len(userList) > int(seats) {
+			return status.Errorf(codes.FailedPrecondition, "maximum number of users %d reached", seats)
+		}
+	}
+	return nil
+}
diff --git a/server/route/api/v1/workspace_service.go b/server/route/api/v1/workspace_service.go
index 32e0a12..a822da4 100644
--- a/server/route/api/v1/workspace_service.go
+++ b/server/route/api/v1/workspace_service.go
@@ -22,10 +22,7 @@ func (s *APIV1Service) GetWorkspaceProfile(ctx context.Context, _ *v1pb.GetWorks
 	}
 
 	// Load subscription plan from license service.
-	subscription, err := s.LicenseService.GetSubscription(ctx)
-	if err != nil {
-		return nil, status.Errorf(codes.Internal, "failed to get subscription: %v", err)
-	}
+	subscription := s.LicenseService.GetSubscription()
 	workspaceProfile.Plan = subscription.Plan
 
 	owner, err := s.GetInstanceOwner(ctx)
@@ -53,6 +50,10 @@ func (s *APIV1Service) GetWorkspaceProfile(ctx context.Context, _ *v1pb.GetWorks
 }
 
 func (s *APIV1Service) GetWorkspaceSetting(ctx context.Context, _ *v1pb.GetWorkspaceSettingRequest) (*v1pb.GetWorkspaceSettingResponse, error) {
+	currentUser, err := getCurrentUser(ctx, s.Store)
+	if err != nil {
+		return nil, status.Errorf(codes.Unauthenticated, "failed to get current user: %v", err)
+	}
 	workspaceSettings, err := s.Store.ListWorkspaceSettings(ctx, &store.FindWorkspaceSetting{})
 	if err != nil {
 		return nil, status.Errorf(codes.Internal, "failed to list workspace settings: %v", err)
@@ -70,7 +71,14 @@ func (s *APIV1Service) GetWorkspaceSetting(ctx context.Context, _ *v1pb.GetWorks
 			identityProviderSetting := v.GetIdentityProvider()
 			workspaceSetting.IdentityProviders = []*v1pb.IdentityProvider{}
 			for _, identityProvider := range identityProviderSetting.GetIdentityProviders() {
-				workspaceSetting.IdentityProviders = append(workspaceSetting.IdentityProviders, convertIdentityProviderFromStore(identityProvider))
+				identityProviderV1pb := convertIdentityProviderFromStore(identityProvider)
+				if currentUser == nil || currentUser.Role != store.RoleAdmin {
+					oauth2Config := identityProviderV1pb.Config.GetOauth2()
+					if oauth2Config != nil {
+						oauth2Config.ClientSecret = ""
+					}
+				}
+				workspaceSetting.IdentityProviders = append(workspaceSetting.IdentityProviders, identityProviderV1pb)
 			}
 		}
 	}
diff --git a/server/service/license/feature_matrix.go b/server/service/license/feature_matrix.go
index 177f322..2e7ea78 100644
--- a/server/service/license/feature_matrix.go
+++ b/server/service/license/feature_matrix.go
@@ -1,24 +1,68 @@
 package license
 
+import (
+	v1pb "github.com/yourselfhosted/slash/proto/gen/api/v1"
+)
+
 type FeatureType string
 
 const (
+	// Enterprise features.
+
+	// FeatureTypeSSO allows the user to use SSO.
+	FeatureTypeSSO FeatureType = "ysh.slash.sso"
+	// FeatureTypeAdvancedAnalytics allows the user to use advanced analytics.
+	FeatureTypeAdvancedAnalytics FeatureType = "ysh.slash.advanced-analytics"
+
 	// Usages.
 
 	// FeatureTypeUnlimitedAccounts allows the user to create unlimited accounts.
-	FeatureTypeUnlimitedAccounts FeatureType = "unlimited_accounts"
+	FeatureTypeUnlimitedAccounts FeatureType = "ysh.slash.unlimited-accounts"
 	// FeatureTypeUnlimitedAccounts allows the user to create unlimited collections.
-	FeatureTypeUnlimitedCollections FeatureType = "unlimited_collections"
+	FeatureTypeUnlimitedCollections FeatureType = "ysh.slash.unlimited-collections"
 
 	// Customization.
 
-	// FeatureTypeCustomStyle allows the user to customize the style.
-	FeatureTypeCustomeStyle FeatureType = "custom_style"
+	// FeatureTypeCustomeBranding allows the user to customize the branding.
+	FeatureTypeCustomeBranding FeatureType = "ysh.slash.custom-branding"
 )
 
-// FeatureMatrix is a matrix of features in [Free, Pro].
-var FeatureMatrix = map[FeatureType][2]bool{
-	FeatureTypeUnlimitedAccounts:    {false, true},
-	FeatureTypeUnlimitedCollections: {false, true},
-	FeatureTypeCustomeStyle:         {false, true},
+func (f FeatureType) String() string {
+	return string(f)
+}
+
+// FeatureMatrix is a matrix of features in [Free, Pro, Enterprise].
+var FeatureMatrix = map[FeatureType][3]bool{
+	FeatureTypeSSO:                  {false, false, false},
+	FeatureTypeAdvancedAnalytics:    {false, false, false},
+	FeatureTypeUnlimitedAccounts:    {false, true, false},
+	FeatureTypeUnlimitedCollections: {false, true, true},
+	FeatureTypeCustomeBranding:      {false, true, true},
+}
+
+func getDefaultFeatures(plan v1pb.PlanType) []FeatureType {
+	var features []FeatureType
+	for feature, enabled := range FeatureMatrix {
+		if enabled[plan-1] {
+			features = append(features, feature)
+		}
+	}
+	return features
+}
+
+func validateFeatureString(feature string) (FeatureType, bool) {
+	switch feature {
+	case "ysh.slash.sso":
+		return FeatureTypeSSO, true
+	case "ysh.slash.advanced-analytics":
+		return FeatureTypeAdvancedAnalytics, true
+	case "ysh.slash.unlimited-accounts":
+		return FeatureTypeUnlimitedAccounts, true
+	case "ysh.slash.unlimited-collections":
+		return FeatureTypeUnlimitedCollections, true
+	case "ysh.slash.custom-branding":
+		return FeatureTypeCustomeBranding, true
+	default:
+		return "", false
+	}
 }
diff --git a/server/service/license/license.go b/server/service/license/license.go
index 57ac46a..8444aac 100644
--- a/server/service/license/license.go
+++ b/server/service/license/license.go
@@ -3,6 +3,7 @@ package license
 import (
 	"context"
 	_ "embed"
+	"slices"
 	"time"
 
 	"github.com/golang-jwt/jwt/v5"
@@ -64,6 +65,10 @@ func (s *LicenseService) LoadSubscription(ctx context.Context) (*v1pb.Subscripti
 	}
 	subscription.Plan = result.Plan
 	subscription.ExpiresTime = timestamppb.New(result.ExpiresTime)
+	subscription.Seats = int32(result.Seats)
+	for _, feature := range result.Features {
+		subscription.Features = append(subscription.Features, feature.String())
+	}
 	s.cachedSubscription = subscription
 	return subscription, nil
 }
@@ -104,28 +109,20 @@ func (s *LicenseService) UpdateSubscription(ctx context.Context, licenseKey stri
 	return s.LoadSubscription(ctx)
 }
 
-func (s *LicenseService) GetSubscription(ctx context.Context) (*v1pb.Subscription, error) {
-	subscription, err := s.LoadSubscription(ctx)
-	if err != nil || subscription.Plan == v1pb.PlanType_PLAN_TYPE_UNSPECIFIED {
-		// nolint
-		return &v1pb.Subscription{
-			Plan: v1pb.PlanType_FREE,
-		}, nil
-	}
-	return subscription, nil
+func (s *LicenseService) GetSubscription() *v1pb.Subscription {
+	return s.cachedSubscription
 }
 
 func (s *LicenseService) IsFeatureEnabled(feature FeatureType) bool {
-	matrix, ok := FeatureMatrix[feature]
-	if !ok {
-		return false
-	}
-	return matrix[s.cachedSubscription.Plan-1]
+	return slices.Contains(s.cachedSubscription.Features, feature.String())
 }
 
 type ValidateResult struct {
 	Plan        v1pb.PlanType
 	ExpiresTime time.Time
+	Trial       bool
+	Seats       int
+	Features    []FeatureType
 }
 
 type Claims struct {
@@ -134,20 +131,34 @@ type Claims struct {
 	Owner string `json:"owner"`
 	Plan  string `json:"plan"`
 	Trial bool   `json:"trial"`
+	// The number of seats in the license key. Leave it empty if the license key does not have a seat limit.
+	Seats int `json:"seats"`
+	// The available features in the license key.
+	Features []string `json:"features"`
 }
 
 func validateLicenseKey(licenseKey string) (*ValidateResult, error) {
 	// Try to parse the license key as a JWT token.
 	claims, _ := parseLicenseKey(licenseKey)
 	if claims != nil {
+		result := &ValidateResult{
+			Plan:        v1pb.PlanType(v1pb.PlanType_value[claims.Plan]),
+			ExpiresTime: claims.ExpiresAt.Time,
+			Trial:       claims.Trial,
+			Seats:       claims.Seats,
+		}
+		result.Features = getDefaultFeatures(result.Plan)
+		for _, feature := range claims.Features {
+			featureType, ok := validateFeatureString(feature)
+			if ok {
+				result.Features = append(result.Features, featureType)
+			}
+		}
 		plan := v1pb.PlanType(v1pb.PlanType_value[claims.Plan])
 		if plan == v1pb.PlanType_PLAN_TYPE_UNSPECIFIED {
 			return nil, errors.New("invalid plan")
 		}
-		return &ValidateResult{
-			Plan:        v1pb.PlanType(v1pb.PlanType_value[claims.Plan]),
-			ExpiresTime: claims.ExpiresAt.Time,
-		}, nil
+		return result, nil
 	}
 
 	// Try to validate the license key with the license server.
@@ -158,6 +169,11 @@ func validateLicenseKey(licenseKey string) (*ValidateResult, error) {
 	if validateResponse.Valid {
 		result := &ValidateResult{
 			Plan: v1pb.PlanType_PRO,
+			Features: []FeatureType{
+				FeatureTypeUnlimitedAccounts,
+				FeatureTypeUnlimitedCollections,
+				FeatureTypeCustomeBranding,
+			},
 		}
 		if validateResponse.LicenseKey.ExpiresAt != nil && *validateResponse.LicenseKey.ExpiresAt != "" {
 			expiresTime, err := time.Parse(time.RFC3339Nano, *validateResponse.LicenseKey.ExpiresAt)