diff --git a/changelog.d/2-features/pr-2407 b/changelog.d/2-features/pr-2407
new file mode 100644
index 0000000000..3af661fc26
--- /dev/null
+++ b/changelog.d/2-features/pr-2407
@@ -0,0 +1 @@
+CSV export in team management now includes the number of devices per user
diff --git a/libs/wire-api/src/Wire/API/Team/Export.hs b/libs/wire-api/src/Wire/API/Team/Export.hs
index 4cffed4cf2..ac9cd8a824 100644
--- a/libs/wire-api/src/Wire/API/Team/Export.hs
+++ b/libs/wire-api/src/Wire/API/Team/Export.hs
@@ -49,7 +49,8 @@ data TeamExportUser = TeamExportUser
     tExportSAMLNamedId :: Text, -- If SAML IdP and SCIM peer are set up correctly, 'tExportSAMLNamedId' and 'tExportSCIMExternalId' always align.
     tExportSCIMExternalId :: Text,
     tExportSCIMRichInfo :: Maybe RichInfo,
-    tExportUserId :: UserId
+    tExportUserId :: UserId,
+    tExportNumDevices :: Int
   }
   deriving (Show, Eq, Generic)
   deriving (Arbitrary) via (GenericUniform TeamExportUser)
@@ -68,7 +69,8 @@ instance ToNamedRecord TeamExportUser where
         ("saml_name_id", secureCsvFieldToByteString (tExportSAMLNamedId row)),
         ("scim_external_id", secureCsvFieldToByteString (tExportSCIMExternalId row)),
         ("scim_rich_info", maybe "" (cs . Aeson.encode) (tExportSCIMRichInfo row)),
-        ("user_id", secureCsvFieldToByteString (tExportUserId row))
+        ("user_id", secureCsvFieldToByteString (tExportUserId row)),
+        ("num_devices", secureCsvFieldToByteString (tExportNumDevices row))
       ]
 
 secureCsvFieldToByteString :: forall a. ToByteString a => a -> ByteString
@@ -89,7 +91,8 @@ instance DefaultOrdered TeamExportUser where
           "saml_name_id",
           "scim_external_id",
           "scim_rich_info",
-          "user_id"
+          "user_id",
+          "num_devices"
         ]
 
 allowEmpty :: (ByteString -> Parser a) -> ByteString -> Parser (Maybe a)
@@ -117,6 +120,7 @@ instance FromNamedRecord TeamExportUser where
       <*> (nrec .: "scim_external_id" >>= parseByteString)
       <*> (nrec .: "scim_rich_info" >>= allowEmpty (maybe (fail "failed to decode RichInfo") pure . Aeson.decode . cs))
       <*> (nrec .: "user_id" >>= parseByteString)
+      <*> (nrec .: "num_devices" >>= parseByteString)
 
 quoted :: ByteString -> ByteString
 quoted bs = case C.uncons bs of
diff --git a/services/galley/src/Galley/API/Teams.hs b/services/galley/src/Galley/API/Teams.hs
index 283279c6d3..1c9b0ce032 100644
--- a/services/galley/src/Galley/API/Teams.hs
+++ b/services/galley/src/Galley/API/Teams.hs
@@ -519,10 +519,11 @@ getTeamMembersCSVH (zusr ::: tid ::: _) = do
           lookupUser <$> E.lookupActivatedUsers (fmap (view userId) members)
         richInfos <-
           lookupRichInfo <$> E.getRichInfoMultiUser (fmap (view userId) members)
+        numUserClients <- lookupClients <$> E.lookupClients (fmap (view userId) members)
         output @LByteString
           ( encodeDefaultOrderedByNameWith
               defaultEncodeOptions
-              (mapMaybe (teamExportUser users inviters richInfos) members)
+              (mapMaybe (teamExportUser users inviters richInfos numUserClients) members)
           )
   pure $
     responseStream
@@ -548,9 +549,10 @@ getTeamMembersCSVH (zusr ::: tid ::: _) = do
       (UserId -> Maybe User) ->
       (UserId -> Maybe Handle.Handle) ->
       (UserId -> Maybe RichInfo) ->
+      (UserId -> Int) ->
       TeamMember ->
       Maybe TeamExportUser
-    teamExportUser users inviters richInfos member = do
+    teamExportUser users inviters richInfos numClients member = do
       let uid = member ^. userId
       user <- users uid
       pure $
@@ -566,7 +568,8 @@ getTeamMembersCSVH (zusr ::: tid ::: _) = do
             tExportSAMLNamedId = fromMaybe "" (samlNamedId user),
             tExportSCIMExternalId = fromMaybe "" (userSCIMExternalId user),
             tExportSCIMRichInfo = richInfos uid,
-            tExportUserId = U.userId user
+            tExportUserId = U.userId user,
+            tExportNumDevices = numClients uid
           }
 
     lookupInviterHandle :: Member BrigAccess r => [TeamMember] -> Sem r (UserId -> Maybe Handle.Handle)
@@ -595,6 +598,9 @@ getTeamMembersCSVH (zusr ::: tid ::: _) = do
     lookupRichInfo :: [(UserId, RichInfo)] -> (UserId -> Maybe RichInfo)
     lookupRichInfo pairs = (`M.lookup` M.fromList pairs)
 
+    lookupClients :: Conv.UserClients -> UserId -> Int
+    lookupClients userClients uid = maybe 0 length (M.lookup uid (Conv.userClients userClients))
+
     samlNamedId :: User -> Maybe Text
     samlNamedId =
       userSSOId >=> \case
diff --git a/services/galley/test/integration/API/Teams.hs b/services/galley/test/integration/API/Teams.hs
index 3803e17628..64510e7a08 100644
--- a/services/galley/test/integration/API/Teams.hs
+++ b/services/galley/test/integration/API/Teams.hs
@@ -46,6 +46,7 @@ import Data.Json.Util hiding ((#))
 import qualified Data.LegalHold as LH
 import Data.List1
 import qualified Data.List1 as List1
+import qualified Data.Map as Map
 import Data.Misc (HttpsUrl, PlainTextPassword (..), mkHttpsUrl)
 import Data.Qualified
 import Data.Range
@@ -86,6 +87,8 @@ import qualified Wire.API.Team.Member as Member
 import qualified Wire.API.Team.Member as TM
 import qualified Wire.API.User as Public
 import qualified Wire.API.User as U
+import qualified Wire.API.User.Client as C
+import qualified Wire.API.User.Client.Prekey as PC
 
 tests :: IO TestSetup -> TestTree
 tests s =
@@ -286,7 +289,9 @@ testListTeamMembersCsv :: HasCallStack => Int -> TestM ()
 testListTeamMembersCsv numMembers = do
   let teamSize = numMembers + 1
 
-  (owner, tid, _mbs) <- Util.createBindingTeamWithNMembersWithHandles True numMembers
+  (owner, tid, mbs) <- Util.createBindingTeamWithNMembersWithHandles True numMembers
+  let numClientMappings = Map.fromList $ (owner : mbs) `zip` (cycle [1, 2, 3] :: [Int])
+  addClients numClientMappings
   resp <- Util.getTeamMembersCsv owner tid
   let rbody = fromMaybe (error "no body") . responseBody $ resp
   usersInCsv <- either (error "could not decode csv") pure (decodeCSV @TeamExportUser rbody)
@@ -322,6 +327,7 @@ testListTeamMembersCsv numMembers = do
       assertEqual ("tExportIdpIssuer: " <> show (U.userId user)) (userToIdPIssuer user) (tExportIdpIssuer export)
       assertEqual ("tExportManagedBy: " <> show (U.userId user)) (U.userManagedBy user) (tExportManagedBy export)
       assertEqual ("tExportUserId: " <> show (U.userId user)) (U.userId user) (tExportUserId export)
+      assertEqual ("tExportNumDevices: ") (Map.findWithDefault (-1) (U.userId user) numClientMappings) (tExportNumDevices export)
   where
     userToIdPIssuer :: HasCallStack => U.User -> Maybe HttpsUrl
     userToIdPIssuer usr = case (U.userIdentity >=> U.ssoIdentity) usr of
@@ -335,6 +341,20 @@ testListTeamMembersCsv numMembers = do
     countOn :: Eq b => (a -> b) -> b -> [a] -> Int
     countOn prop val xs = sum $ fmap (bool 0 1 . (== val) . prop) xs
 
+    addClients :: Map.Map UserId Int -> TestM ()
+    addClients xs = forM_ (Map.toList xs) addClientForUser
+
+    addClientForUser :: (UserId, Int) -> TestM ()
+    addClientForUser (uid, n) = forM_ [0 .. (n -1)] (addClient uid)
+
+    addClient :: UserId -> Int -> TestM ()
+    addClient uid i = do
+      brig <- view tsBrig
+      post (brig . paths ["i", "clients", toByteString' uid] . contentJson . json (newClient (someLastPrekeys !! i)) . queryItem "skip_reauth" "true") !!! const 201 === statusCode
+
+    newClient :: PC.LastPrekey -> C.NewClient
+    newClient lpk = C.newClient C.PermanentClientType lpk
+
 testListTeamMembersTruncated :: TestM ()
 testListTeamMembersTruncated = do
   (owner, tid, _) <- Util.createBindingTeamWithNMembers 4