diff --git a/service_client.go b/service_client.go
new file mode 100644
index 0000000..150da60
--- /dev/null
+++ b/service_client.go
@@ -0,0 +1,28 @@
+package gophercloud
+
+import (
+	"strings"
+)
+
+// ServiceClient stores details about a specific service that are necessary for further interactions
+// with that service API, as well as utility methods for service implementation.
+//
+// Generally, you will acquire a ServiceClient by calling the NewClient() function in the
+// appropriate service package.
+type ServiceClient struct {
+	authority AuthResults
+	options   AuthOptions
+	endpoint  string
+	tokenID   string
+}
+
+// ServiceURL constructs a URL for a resource belonging to this client.
+func (client *ServiceClient) ServiceURL(parts ...string) string {
+	return client.endpoint + strings.Join(parts, "/")
+}
+
+// AuthenticatedHeaders returns a map of HTTP headers that are common for all authenticated service
+// requests.
+func (client *ServiceClient) AuthenticatedHeaders() map[string]string {
+	return map[string]string{"X-Auth-Token": client.tokenID}
+}