diff --git a/messages.go b/messages.go
index 555b767..458c9dd 100644
--- a/messages.go
+++ b/messages.go
@@ -967,9 +967,14 @@ type StatusMessage struct {
 	States map[string]bool `json:"states,omitempty"`
 }
 
+type BleCompany struct {
+	CompanyId int16  `json:"company_id,omitempty"`
+	Name      string `json:"name,omitempty"`
+}
+
 type BleAdvertisementPayload struct {
 	LocalName        string                              `json:"localName,omitempty"`
-	Companies        []string                            `json:"companies,omitempty"`
+	Companies        []BleCompany                        `json:"companies,omitempty"`
 	Bytes            []byte                              `json:"bytes,omitempty"`
 	ManufacturerData []bluetooth.ManufacturerDataElement `json:"manufacturerData,omitempty"`
 }