diff --git a/project/interface.go b/project/interface.go
index 3356407c2..7fb2b6187 100644
--- a/project/interface.go
+++ b/project/interface.go
@@ -41,6 +41,7 @@ type APIProject interface {
 	Containers(ctx context.Context, filter Filter, services ...string) ([]string, error)
 
 	GetServiceConfig(service string) (*config.ServiceConfig, bool)
+	GetServiceNames() []string
 }
 
 // Filter holds filter element to filter containers
diff --git a/project/project.go b/project/project.go
index ef783120a..4c28a1366 100644
--- a/project/project.go
+++ b/project/project.go
@@ -546,6 +546,11 @@ func (p *Project) GetServiceConfig(name string) (*config.ServiceConfig, bool) {
 	return p.ServiceConfigs.Get(name)
 }
 
+// GetServiceNames returnes all service names in the project.
+func (p *Project) GetServiceNames() []string {
+	return p.ServiceConfigs.Keys()
+}
+
 // IsNamedVolume returns whether the specified volume (string) is a named volume or not.
 func IsNamedVolume(volume string) bool {
 	return !strings.HasPrefix(volume, ".") && !strings.HasPrefix(volume, "/") && !strings.HasPrefix(volume, "~")