diff --git a/changelog.d/2-features/WPB-25521-finish-collaborator-crud-api b/changelog.d/2-features/WPB-25521-finish-collaborator-crud-api
new file mode 100644
index 00000000000..bdf44a1f679
--- /dev/null
+++ b/changelog.d/2-features/WPB-25521-finish-collaborator-crud-api
@@ -0,0 +1 @@
+Finish collaborator crud api.
diff --git a/integration/test/API/Brig.hs b/integration/test/API/Brig.hs
index 70e74fce45e..c3e0decf671 100644
--- a/integration/test/API/Brig.hs
+++ b/integration/test/API/Brig.hs
@@ -1218,22 +1218,6 @@ removeUserFromGroup user gid uid = do
   req <- baseRequest user Brig Versioned $ joinHttpPath ["user-groups", gid, "users", uid]
   submit "DELETE" req
 
-addTeamCollaborator :: (MakesValue owner, MakesValue collaborator, HasCallStack) => owner -> String -> collaborator -> [String] -> App Response
-addTeamCollaborator owner tid collaborator permissions = do
-  req <- baseRequest owner Brig Versioned $ joinHttpPath ["teams", tid, "collaborators"]
-  (_, collabId) <- objQid collaborator
-  submit "POST" $
-    req
-      & addJSONObject
-        [ "user" .= collabId,
-          "permissions" .= permissions
-        ]
-
-getAllTeamCollaborators :: (MakesValue owner) => owner -> String -> App Response
-getAllTeamCollaborators owner tid = do
-  req <- baseRequest owner Brig Versioned $ joinHttpPath ["teams", tid, "collaborators"]
-  submit "GET" req
-
 data NewApp = NewApp
   { name :: String,
     assets :: Maybe [Value],
diff --git a/integration/test/API/Galley.hs b/integration/test/API/Galley.hs
index 658b6275c59..480d6c79f6d 100644
--- a/integration/test/API/Galley.hs
+++ b/integration/test/API/Galley.hs
@@ -967,6 +967,22 @@ resetConversation user groupId epoch = do
   let payload = object ["group_id" .= groupId, "epoch" .= epoch]
   submit "POST" $ req & addJSON payload
 
+addTeamCollaborator :: (MakesValue owner, MakesValue collaborator, HasCallStack) => owner -> String -> collaborator -> [String] -> App Response
+addTeamCollaborator owner tid collaborator permissions = do
+  req <- baseRequest owner Galley Versioned $ joinHttpPath ["teams", tid, "collaborators"]
+  (_, collabId) <- objQid collaborator
+  submit "POST"
+    $ req
+    & addJSONObject
+      [ "user" .= collabId,
+        "permissions" .= permissions
+      ]
+
+getAllTeamCollaborators :: (MakesValue owner) => owner -> String -> App Response
+getAllTeamCollaborators owner tid = do
+  req <- baseRequest owner Galley Versioned $ joinHttpPath ["teams", tid, "collaborators"]
+  submit "GET" req
+
 updateTeamCollaborator :: (MakesValue owner, MakesValue collaborator, HasCallStack) => owner -> String -> collaborator -> [String] -> App Response
 updateTeamCollaborator owner tid collaborator permissions = do
   (_, collabId) <- objQid collaborator
diff --git a/integration/test/Test/TeamCollaborators.hs b/integration/test/Test/TeamCollaborators.hs
index 7286d1224c0..f0d568a57ee 100644
--- a/integration/test/Test/TeamCollaborators.hs
+++ b/integration/test/Test/TeamCollaborators.hs
@@ -17,7 +17,6 @@
 
 module Test.TeamCollaborators where
 
-import API.Brig
 import API.Galley
 import qualified API.GalleyInternal as Internal
 import Data.Tuple.Extra
@@ -25,8 +24,8 @@ import Notifications (isConvLeaveNotif, isTeamCollaboratorAddedNotif, isTeamColl
 import SetupHelpers
 import Testlib.Prelude
 
-testCreateTeamCollaborator :: (HasCallStack) => App ()
-testCreateTeamCollaborator = do
+testCrudTeamCollaborator :: (HasCallStack) => App ()
+testCrudTeamCollaborator = do
   (owner, team, [alice]) <- createTeam OwnDomain 2
 
   -- At the time of writing, it wasn't clear if this should be a bot instead.
@@ -59,6 +58,26 @@ testCreateTeamCollaborator = do
     res %. "team" `shouldMatch` team
     res %. "permissions" `shouldMatch` ["create_team_conversation", "implicit_connection"]
 
+  withWebSockets [owner, alice] $ \[wsOwner, wsAlice] -> do
+    removeTeamCollaborator
+      owner
+      team
+      user
+      >>= assertSuccess
+
+    let checkEvent :: (MakesValue a) => a -> App ()
+        checkEvent evt = do
+          evt %. "payload.0.data.user" `shouldMatch` userId
+          evt %. "payload.0.team" `shouldMatch` team
+          evt %. "transient" `shouldMatch` False
+
+    forM_ [wsOwner, wsAlice] $ \mem ->
+      awaitMatch isTeamMemberLeaveNotif mem >>= checkEvent
+
+  bindResponse (getAllTeamCollaborators owner team) $ \resp -> do
+    resp.status `shouldMatchInt` 200
+    asList resp.json `shouldMatch` ([] :: [()])
+
 testTeamCollaboratorEndpointsForbiddenForOtherTeams :: (HasCallStack) => App ()
 testTeamCollaboratorEndpointsForbiddenForOtherTeams = do
   (owner, _team, _members) <- createTeam OwnDomain 2
diff --git a/libs/wire-api/src/Wire/API/Routes/Public/Brig.hs b/libs/wire-api/src/Wire/API/Routes/Public/Brig.hs
index 16b4bc0e09b..8fe7484156b 100644
--- a/libs/wire-api/src/Wire/API/Routes/Public/Brig.hs
+++ b/libs/wire-api/src/Wire/API/Routes/Public/Brig.hs
@@ -70,7 +70,6 @@ import Wire.API.Routes.QualifiedCapture
 import Wire.API.Routes.Version
 import Wire.API.Routes.Versioned
 import Wire.API.SystemSettings
-import Wire.API.Team.Collaborator
 import Wire.API.Team.Invitation
 import Wire.API.Team.Size
 import Wire.API.User hiding (NoIdentity)
@@ -2097,27 +2096,6 @@ type TeamsAPI =
                :> ReqBody '[JSON] AcceptTeamInvitation
                :> MultiVerb 'POST '[JSON] '[RespondEmpty 200 "Team invitation accepted."] ()
            )
-    :<|> Named
-           "add-team-collaborator"
-           ( Summary "Add a collaborator to the team."
-               :> From 'V10
-               :> ZLocalUser
-               :> "teams"
-               :> Capture "tid" TeamId
-               :> "collaborators"
-               :> ReqBody '[JSON] NewTeamCollaborator
-               :> MultiVerb1 'POST '[JSON] (RespondEmpty 200 "")
-           )
-    :<|> Named
-           "get-team-collaborators"
-           ( Summary "Get all collaborators of the team."
-               :> From 'V10
-               :> ZLocalUser
-               :> "teams"
-               :> Capture "tid" TeamId
-               :> "collaborators"
-               :> MultiVerb1 'GET '[JSON] (Respond 200 "Return collaborators" [TeamCollaborator])
-           )
 
 type SystemSettingsAPI =
   Named
diff --git a/libs/wire-api/src/Wire/API/Routes/Public/Galley/TeamMember.hs b/libs/wire-api/src/Wire/API/Routes/Public/Galley/TeamMember.hs
index e28ac848bbc..33044bfcc0a 100644
--- a/libs/wire-api/src/Wire/API/Routes/Public/Galley/TeamMember.hs
+++ b/libs/wire-api/src/Wire/API/Routes/Public/Galley/TeamMember.hs
@@ -209,6 +209,27 @@ type TeamMemberAPI =
                     "CSV of team members"
                     CSV
            )
+    :<|> Named
+           "add-team-collaborator"
+           ( Summary "Add a collaborator to the team."
+               :> From 'V10
+               :> ZLocalUser
+               :> "teams"
+               :> Capture "tid" TeamId
+               :> "collaborators"
+               :> ReqBody '[JSON] NewTeamCollaborator
+               :> MultiVerb1 'POST '[JSON] (RespondEmpty 200 "")
+           )
+    :<|> Named
+           "get-team-collaborators"
+           ( Summary "Get all collaborators of the team."
+               :> From 'V10
+               :> ZLocalUser
+               :> "teams"
+               :> Capture "tid" TeamId
+               :> "collaborators"
+               :> MultiVerb1 'GET '[JSON] (Respond 200 "Return collaborators" [TeamCollaborator])
+           )
     :<|> Named
            "update-team-collaborator"
            ( Summary "Update a collaborator permissions from the team."
diff --git a/services/brig/src/Brig/Team/API.hs b/services/brig/src/Brig/Team/API.hs
index a612f9ec371..5eb72a4ae57 100644
--- a/services/brig/src/Brig/Team/API.hs
+++ b/services/brig/src/Brig/Team/API.hs
@@ -115,8 +115,6 @@ servantAPI =
     :<|> Named @"head-team-invitations" (lift . liftSem . headInvitationByEmail)
     :<|> Named @"get-team-size" (\uid tid -> lift . liftSem $ teamSizePublic uid tid)
     :<|> Named @"accept-team-invitation" (\luid req -> lift $ liftSem $ acceptTeamInvitation luid req.password req.code)
-    :<|> Named @"add-team-collaborator" (\zuid tid (NewTeamCollaborator uid perms) -> lift . liftSem $ createTeamCollaborator zuid uid tid perms)
-    :<|> Named @"get-team-collaborators" (\zuid tid -> lift . liftSem $ getAllTeamCollaborators zuid tid)
 
 teamSizePublic ::
   ( Member (Error UserSubsystemError) r,
diff --git a/services/galley/src/Galley/API/Public/TeamMember.hs b/services/galley/src/Galley/API/Public/TeamMember.hs
index d85d89f514e..5c56816012e 100644
--- a/services/galley/src/Galley/API/Public/TeamMember.hs
+++ b/services/galley/src/Galley/API/Public/TeamMember.hs
@@ -22,6 +22,8 @@ import Galley.API.Teams.Export qualified as Export
 import Galley.App
 import Wire.API.Routes.API
 import Wire.API.Routes.Public.Galley.TeamMember
+import Wire.API.Team.Collaborator
+import Wire.TeamCollaboratorsSubsystem
 
 teamMemberAPI :: API TeamMemberAPI GalleyEffects
 teamMemberAPI =
@@ -33,5 +35,8 @@ teamMemberAPI =
     <@> mkNamedAPI @"delete-non-binding-team-member" deleteNonBindingTeamMember
     <@> mkNamedAPI @"update-team-member" updateTeamMember
     <@> mkNamedAPI @"get-team-members-csv" Export.getTeamMembersCSV
+    <@> mkNamedAPI @"add-team-collaborator"
+      (\zuid tid (NewTeamCollaborator uid perms) -> createTeamCollaborator zuid uid tid perms)
+    <@> mkNamedAPI @"get-team-collaborators" getAllTeamCollaborators
     <@> mkNamedAPI @"update-team-collaborator" updateTeamCollaborator
     <@> mkNamedAPI @"remove-team-collaborator" removeTeamCollaborator