diff --git a/packages/server/modules/core/domain/users/operations.ts b/packages/server/modules/core/domain/users/operations.ts
index 1ea3e71ab..33c09da82 100644
--- a/packages/server/modules/core/domain/users/operations.ts
+++ b/packages/server/modules/core/domain/users/operations.ts
@@ -175,3 +175,28 @@ export type AdminUserList = (args: AdminUserListArgs) => Promise<{
   items: UserWithRole[]
   cursor: string | null
 }>
+
+export type LegacyAdminUsersPaginationParams = {
+  limit: number
+  offset: number
+  query: string | null
+}
+
+export type LegacyAdminUsersListItem = {
+  registeredUser: Nullable<User>
+  invitedUser: Nullable<{
+    id: string
+    email: string
+    invitedById: string
+  }>
+  id: string
+}
+
+type LegacyAdminUsersListCollection = {
+  totalCount: number
+  items: Array<LegacyAdminUsersListItem>
+}
+
+export type LegacyGetAdminUsersListCollection = (
+  params: LegacyAdminUsersPaginationParams
+) => Promise<LegacyAdminUsersListCollection>
diff --git a/packages/server/modules/core/graph/resolvers/users.js b/packages/server/modules/core/graph/resolvers/users.js
index 4b6a499a2..faf660bfe 100644
--- a/packages/server/modules/core/graph/resolvers/users.js
+++ b/packages/server/modules/core/graph/resolvers/users.js
@@ -1,10 +1,6 @@
 const { ActionTypes } = require('@/modules/activitystream/helpers/types')
 const { validateScopes } = require(`@/modules/shared`)
 const zxcvbn = require('zxcvbn')
-const {
-  getAdminUsersListCollection,
-  getTotalCounts
-} = require('@/modules/core/services/users/adminUsersListService')
 const { Roles, Scopes } = require('@speckle/shared')
 const {
   legacyGetUserFactory,
@@ -16,7 +12,9 @@ const {
   getUserRoleFactory,
   updateUserServerRoleFactory,
   searchUsersFactory,
-  markOnboardingCompleteFactory
+  markOnboardingCompleteFactory,
+  legacyGetPaginatedUsersCountFactory,
+  legacyGetPaginatedUsersFactory
 } = require('@/modules/core/repositories/users')
 const { UsersMeta } = require('@/modules/core/dbSchema')
 const { getServerInfo } = require('@/modules/core/services/generic')
@@ -42,6 +40,9 @@ const {
   getUserDeletableStreamsFactory
 } = require('@/modules/core/repositories/streams')
 const { dbLogger } = require('@/logging/logging')
+const {
+  getAdminUsersListCollectionFactory
+} = require('@/modules/core/services/users/legacyAdminUsersList')
 
 const getUser = legacyGetUserFactory({ db })
 const getUserByEmail = legacyGetUserByEmailFactory({ db })
@@ -70,6 +71,12 @@ const changeUserRole = changeUserRoleFactory({
 })
 const searchUsers = searchUsersFactory({ db })
 const markOnboardingComplete = markOnboardingCompleteFactory({ db })
+const getAdminUsersListCollection = getAdminUsersListCollectionFactory({
+  countUsers: legacyGetPaginatedUsersCountFactory({ db }),
+  countServerInvites: countServerInvitesFactory({ db }),
+  findServerInvites: findServerInvitesFactory({ db }),
+  getUsers: legacyGetPaginatedUsersFactory({ db })
+})
 
 /** @type {import('@/modules/core/graph/generated/graphql').Resolvers} */
 module.exports = {
@@ -109,12 +116,7 @@ module.exports = {
     },
 
     async adminUsers(_parent, args) {
-      return await getAdminUsersListCollection({
-        findServerInvites: findServerInvitesFactory({ db }),
-        getTotalCounts: getTotalCounts({
-          countServerInvites: countServerInvitesFactory({ db })
-        })
-      })(args)
+      return await getAdminUsersListCollection(args)
     },
 
     async userSearch(parent, args, context) {
diff --git a/packages/server/modules/core/services/users/adminUsersListService.js b/packages/server/modules/core/services/users/adminUsersListService.js
deleted file mode 100644
index 9b386b825..000000000
--- a/packages/server/modules/core/services/users/adminUsersListService.js
+++ /dev/null
@@ -1,205 +0,0 @@
-const { db } = require('@/db/knex')
-const {
-  legacyGetPaginatedUsersCountFactory,
-  legacyGetPaginatedUsersFactory
-} = require('@/modules/core/repositories/users')
-const { resolveTarget } = require('@/modules/serverinvites/helpers/core')
-const { clamp } = require('lodash')
-
-/**
- * @typedef {{
- *  id: string,
- *  email: string,
- *  invitedById: string
- * }} ServerInviteGraphqlReturnType
- */
-
-/**
- * @typedef {{
- *  registeredUser: import("@/modules/core/helpers/userHelper").UserRecord | null,
- *  invitedUser: ServerInviteGraphqlReturnType | null,
- *  id: string
- * }} AdminUsersListItem
- */
-
-/**
- * @typedef {{
- *  totalCount: number,
- *  items: Array<AdminUsersListItem>
- * }} AdminUsersListCollection
- */
-
-/**
- * @typedef {{
- *  limit: number,
- *  offset: number,
- *  query: string | null
- * }} PaginationParams
- */
-
-/**
- * @typedef {{
- *  userCount: number,
- *  inviteCount: number,
- *  totalCount: number
- * }} TotalCounts
- */
-
-/**
- * @typedef {{
- *  invitesFilter: {offset: number, limit: number} | null,
- *  usersFilter: {offset: number, limit: number} | null
- * }} UsersInvitesFilters
- */
-
-/**
- * Sanitizing params to ensure limits aren't too high etc.
- * @param {PaginationParams} params
- * @returns {PaginationParams}
- */
-function sanitizeParams(params) {
-  params.limit = clamp(params.limit || 10, 1, 200)
-  params.offset = Math.max(params.offset || 0, 0)
-}
-
-/**
- * Get total users & invites that we can find using these params
- * @param {{ countServerInvites: import('@/modules/serverinvites/domain/operations').CountServerInvites}} param0
- */
-function getTotalCounts({ countServerInvites }) {
-  const countUsers = legacyGetPaginatedUsersCountFactory({ db })
-
-  /**
-   * Get total users & invites that we can find using these params
-   * @param {PaginationParams} params
-   * @returns {Promise<TotalCounts>}
-   */
-  return async (params) => {
-    const { query } = params
-
-    const [userCount, inviteCount] = await Promise.all([
-      // Actual users
-      countUsers(query),
-      // Invites
-      countServerInvites(query)
-    ])
-    const totalCount = userCount + inviteCount
-
-    return { userCount, inviteCount, totalCount }
-  }
-}
-
-/**
- * Resolve limits & offsets for user & invite queries. All invites will always appear first,
- * and only once there are no more results will users start appearing in the list
- * @param {PaginationParams} params
- * @param {TotalCounts} totalCounts
- * @returns {UsersInvitesFilters}
- */
-function resolveLimitsAndOffsets(params, totalCounts) {
-  const { offset, limit } = params
-  const { inviteCount } = totalCounts
-
-  const inviteOffset = offset < inviteCount ? offset : null
-  const inviteLimit =
-    inviteOffset !== null ? Math.min(inviteCount - offset, limit) : null
-
-  const userOffset = inviteOffset !== null ? 0 : offset - inviteCount
-  const userLimit = limit - (inviteLimit || 0)
-
-  return {
-    invitesFilter: inviteLimit ? { limit: inviteLimit, offset: inviteOffset } : null,
-    usersFilter: userLimit ? { limit: userLimit, offset: userOffset } : null
-  }
-}
-
-/**
- * @param {import('@/modules/core/helpers/userHelper').UserRecord} user
- * @returns {AdminUsersListItem}
- */
-function mapUserToListItem(user) {
-  return {
-    invitedUser: null,
-    registeredUser: user,
-    id: `user:${user.id}`
-  }
-}
-
-/**
- * @param {import('@/modules/serverinvites/domain/types').ServerInviteRecord} invite
- * @returns {AdminUsersListItem}
- */
-function mapInviteToListItem(invite) {
-  return {
-    registeredUser: null,
-    invitedUser: {
-      id: invite.id,
-      invitedById: invite.inviterId,
-      email: resolveTarget(invite.target).userEmail
-    },
-    id: `invite:${invite.id}`
-  }
-}
-
-/**
- *
- * @param {{findServerInvites: import('@/modules/serverinvites/domain/operations').FindServerInvites}} param0
- */
-function retrieveItems({ findServerInvites }) {
-  const getUsers = legacyGetPaginatedUsersFactory({ db })
-
-  /**
-   * Retrieve all list items from DB and convert them to the target model
-   * @param {PaginationParams} params
-   * @param {TotalCounts} counts
-   * @returns {Promise<AdminUsersListItem[]>}
-   */
-  return async (params, counts) => {
-    const { invitesFilter, usersFilter } = resolveLimitsAndOffsets(params, counts)
-    const { query } = params
-
-    const [invites, users] = await Promise.all([
-      // Invites
-      invitesFilter
-        ? findServerInvites(query, invitesFilter.limit, invitesFilter.offset)
-        : [],
-      // Users
-      usersFilter ? getUsers(usersFilter.limit, usersFilter.offset, query) : []
-    ])
-
-    return [
-      // Invites first
-      ...invites.map((i) => mapInviteToListItem(i)),
-      // Users after
-      ...users.map((u) => mapUserToListItem(u))
-    ]
-  }
-}
-
-/**
- *
- * @param {{ getTotalCounts: (params: PaginationParams) => Promise<number>, findServerInvites: import('@/modules/serverinvites/domain/operations').FindServerInvites}} param0
- */
-function getAdminUsersListCollection({ getTotalCounts, findServerInvites }) {
-  /**
-   * Resolve admin users list data using the specified filter params
-   * @param {PaginationParams} params
-   * @returns {Promise<AdminUsersListCollection>}
-   */
-  return async (params) => {
-    sanitizeParams(params)
-
-    const totalCounts = await getTotalCounts(params)
-    const items = await retrieveItems({ findServerInvites })(params, totalCounts)
-
-    return {
-      items,
-      totalCount: totalCounts.totalCount
-    }
-  }
-}
-
-module.exports = {
-  getAdminUsersListCollection,
-  getTotalCounts
-}
diff --git a/packages/server/modules/core/services/users/legacyAdminUsersList.ts b/packages/server/modules/core/services/users/legacyAdminUsersList.ts
new file mode 100644
index 000000000..34538b3b2
--- /dev/null
+++ b/packages/server/modules/core/services/users/legacyAdminUsersList.ts
@@ -0,0 +1,147 @@
+import {
+  LegacyAdminUsersListItem,
+  LegacyAdminUsersPaginationParams,
+  LegacyGetAdminUsersListCollection,
+  LegacyGetPaginatedUsers,
+  LegacyGetPaginatedUsersCount
+} from '@/modules/core/domain/users/operations'
+import { UserRecord } from '@/modules/core/helpers/userHelper'
+import {
+  CountServerInvites,
+  FindServerInvites
+} from '@/modules/serverinvites/domain/operations'
+import { ServerInviteRecord } from '@/modules/serverinvites/domain/types'
+import { resolveTarget } from '@/modules/serverinvites/helpers/core'
+import { clamp } from 'lodash'
+
+type LegacyGetUsersInvitesTotalCounts = {
+  userCount: number
+  inviteCount: number
+  totalCount: number
+}
+
+type GetTotalCountsDeps = {
+  countUsers: LegacyGetPaginatedUsersCount
+  countServerInvites: CountServerInvites
+}
+
+/**
+ * Get total users & invites that we can find using these params
+ */
+const getTotalCountsFactory =
+  (deps: GetTotalCountsDeps) =>
+  async (
+    params: LegacyAdminUsersPaginationParams
+  ): Promise<LegacyGetUsersInvitesTotalCounts> => {
+    const { query } = params
+
+    const [userCount, inviteCount] = await Promise.all([
+      // Actual users
+      deps.countUsers(query),
+      // Invites
+      deps.countServerInvites(query)
+    ])
+    const totalCount = userCount + inviteCount
+
+    return { userCount, inviteCount, totalCount }
+  }
+
+/**
+ * Sanitizing params to ensure limits aren't too high etc.
+ */
+function sanitizeParams(params: LegacyAdminUsersPaginationParams) {
+  params.limit = clamp(params.limit || 10, 1, 200)
+  params.offset = Math.max(params.offset || 0, 0)
+}
+
+/**
+ * Resolve limits & offsets for user & invite queries. All invites will always appear first,
+ * and only once there are no more results will users start appearing in the list
+ */
+function resolveLimitsAndOffsets(
+  params: LegacyAdminUsersPaginationParams,
+  totalCounts: LegacyGetUsersInvitesTotalCounts
+) {
+  const { offset, limit } = params
+  const { inviteCount } = totalCounts
+
+  const inviteOffset = offset < inviteCount ? offset : null
+  const inviteLimit =
+    inviteOffset !== null ? Math.min(inviteCount - offset, limit) : null
+
+  const userOffset = inviteOffset !== null ? 0 : offset - inviteCount
+  const userLimit = limit - (inviteLimit || 0)
+
+  return {
+    invitesFilter: inviteLimit ? { limit: inviteLimit, offset: inviteOffset } : null,
+    usersFilter: userLimit ? { limit: userLimit, offset: userOffset } : null
+  }
+}
+
+function mapUserToListItem(user: UserRecord): LegacyAdminUsersListItem {
+  return {
+    invitedUser: null,
+    registeredUser: user,
+    id: `user:${user.id}`
+  }
+}
+
+function mapInviteToListItem(invite: ServerInviteRecord): LegacyAdminUsersListItem {
+  return {
+    registeredUser: null,
+    invitedUser: {
+      id: invite.id,
+      invitedById: invite.inviterId,
+      email: resolveTarget(invite.target).userEmail!
+    },
+    id: `invite:${invite.id}`
+  }
+}
+
+type RetrieveItemsDeps = {
+  findServerInvites: FindServerInvites
+  getUsers: LegacyGetPaginatedUsers
+}
+
+const retrieveItemsFactory =
+  (deps: RetrieveItemsDeps) =>
+  async (
+    params: LegacyAdminUsersPaginationParams,
+    counts: LegacyGetUsersInvitesTotalCounts
+  ) => {
+    const { invitesFilter, usersFilter } = resolveLimitsAndOffsets(params, counts)
+    const { query } = params
+
+    const [invites, users] = await Promise.all([
+      // Invites
+      invitesFilter
+        ? deps.findServerInvites(query, invitesFilter.limit, invitesFilter.offset || 0)
+        : [],
+      // Users
+      usersFilter ? deps.getUsers(usersFilter.limit, usersFilter.offset, query) : []
+    ])
+
+    return [
+      // Invites first
+      ...invites.map((i) => mapInviteToListItem(i)),
+      // Users after
+      ...users.map((u) => mapUserToListItem(u))
+    ]
+  }
+
+/**
+ * Resolve admin users list data using the specified filter params
+ */
+export const getAdminUsersListCollectionFactory =
+  (deps: GetTotalCountsDeps & RetrieveItemsDeps): LegacyGetAdminUsersListCollection =>
+  async (params) => {
+    sanitizeParams(params)
+
+    const totalCounts = await getTotalCountsFactory(deps)(params)
+    const items = await retrieveItemsFactory(deps)(params, totalCounts)
+
+    return {
+      items,
+      totalCount: totalCounts.totalCount
+    }
+  }