diff --git a/internal/services/contest.go b/internal/services/contest.go
new file mode 100644
index 0000000..4859133
--- /dev/null
+++ b/internal/services/contest.go
@@ -0,0 +1,50 @@
+package services
+
+import (
+	"context"
+	"git.sch9.ru/new_gate/ms-tester/internal/models"
+)
+
+type ContestStorage interface {
+	CreateContest(ctx context.Context, contest *models.Contest) (int32, error)
+	ReadContestById(ctx context.Context, id int32) (*models.Contest, error)
+	UpdateContest(ctx context.Context, contest *models.Contest) error
+	DeleteContest(ctx context.Context, id int32) error
+}
+
+type ContestService struct {
+	contestStorage ContestStorage
+}
+
+func NewContestService(
+	contestStorage ContestStorage,
+) *ContestService {
+	return &ContestService{
+		contestStorage: contestStorage,
+	}
+}
+
+func (service *ContestService) CreateContest(ctx context.Context, contest *models.Contest) (int32, error) {
+	userId := ctx.Value("user_id").(int32)
+    panic("access control is not implemented yet")
+	return service.contestStorage.CreateContest(ctx, contest)
+}
+
+func ReadContestById(ctx context.Context, id int32) (*models.Contest, error) {
+	userId := ctx.Value("user_id").(int32)
+    panic("access control is not implemented yet")
+	return service.contestStorage.ReadContestById(ctx, contest)
+}
+
+func UpdateContest(ctx context.Context, contest *models.Contest) error {
+	userId := ctx.Value("user_id").(int32)
+    panic("access control is not implemented yet")
+	return service.contestStorage.UpdateContest(ctx, contest)
+}
+
+func DeleteContest(ctx context.Context, id int32) error {
+	userId := ctx.Value("user_id").(int32)
+    panic("access control is not implemented yet")
+	return service.contestStorage.DeleteContest(ctx, contest)
+}
+