diff --git a/app/services/repositories/multiple_share_update_service.rb b/app/services/repositories/multiple_share_update_service.rb
new file mode 100644
index 000000000..067bd5dbe
--- /dev/null
+++ b/app/services/repositories/multiple_share_update_service.rb
@@ -0,0 +1,107 @@
+# frozen_string_literal: true
+
+module Repositories
+  class MultipleShareUpdateService
+    extend Service
+    include Canaid::Helpers::PermissionsHelper
+
+    attr_reader :repository, :user, :errors
+
+    def initialize(repository_id:,
+                   user_id:,
+                   team_id:,
+                   team_ids_for_share: [],
+                   team_ids_for_unshare: [],
+                   team_ids_for_update: [])
+      @repository = Repository.find_by_id repository_id
+      @user = User.find_by_id user_id
+      @team = Team.find_by_id team_id
+      @team_ids_for_share = team_ids_for_share
+      @team_ids_for_unshare = team_ids_for_unshare
+      @team_ids_for_update = team_ids_for_update
+      @errors = { shares: [] }
+    end
+
+    def call
+      return self unless valid?
+
+      @team_ids_for_share.each do |share|
+        team_repository = TeamRepository.new(repository: @repository,
+                                             team_id: share[:id],
+                                             permission_level: share[:permission_level])
+
+        if team_repository.save
+          log_activity(:share_inventory, team_repository)
+        else
+          @errors[:shares] << I18n.t('repositories.multiple_share_service.unable_to_share',
+                                     repository: @repository.name, team: share[:id])
+        end
+      end
+
+      @team_ids_for_unshare.each do |unshare|
+        team_repository = TeamRepository.where(repository: @repository, team_id: unshare[:id]).first
+
+        if team_repository
+          log_activity(:unshare_inventory, team_repository)
+          team_repository.destroy
+        else
+          @errors[:shares] << I18n.t('repositories.multiple_share_service.unable_to_unshare',
+                                     repository: @repository.name, team: unshare[:id])
+        end
+      end
+
+      @team_ids_for_update.each do |update|
+        team_repository = TeamRepository.where(repository: @repository, team_id: update[:id]).first
+        team_repository.permission_level = update[:permission_level] if team_repository
+
+        if team_repository&.save
+          log_activity(:update_share_inventory, team_repository)
+        else
+          @errors[:shares] << I18n.t('repositories.multiple_share_service.unable_to_update',
+                                     repository: @repository.name, team: update[:id])
+        end
+      end
+
+      self
+    end
+
+    def succeed?
+      # Shares are not errors but more like warnings.
+      @errors.except(:shares).none?
+    end
+
+    private
+
+    def valid?
+      unless @user && @repository
+        @errors[:invalid_arguments] =
+          { 'repository': @repository,
+            'user': @user,
+            'team': @team }
+          .map do |key, value|
+            "Can't find #{key.capitalize}" if value.nil?
+          end.compact
+        return false
+      end
+
+      if can_manage_repository?(@user, @repository)
+        true
+      else
+        @errors[:user_without_permissions] =
+          ['You are not allowed to share this repository']
+        false
+      end
+    end
+
+    def log_activity(type_of, team_repository)
+      Activities::CreateActivityService
+        .call(activity_type: type_of,
+              owner: @user,
+              subject: team_repository.repository,
+              team: @team,
+              message_items: { repository: team_repository.repository.id,
+                               team: team_repository.team.id,
+                               permission_level: team_repository.permission_level })
+    end
+  end
+end
diff --git a/spec/services/repositories/multiple_share_update_service_spec.rb b/spec/services/repositories/multiple_share_update_service_spec.rb
new file mode 100644
index 000000000..23c193757
--- /dev/null
+++ b/spec/services/repositories/multiple_share_update_service_spec.rb
@@ -0,0 +1,131 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe Repositories::MultipleShareUpdateService do
+  let(:user) { create :user }
+  let!(:user_team) { create :user_team, :admin, user: user, team: team }
+  let(:team) { create :team }
+  let(:team2) { create :team }
+  let(:team3) { create :team }
+  let(:repository) { create :repository, team: team }
+
+  context 'when user do not have permissions' do
+    it 'returns error about permissions' do
+      new_repo = create :repository
+      service_call = Repositories::MultipleShareUpdateService.call(repository_id: new_repo.id,
+                                                                   user_id: user.id,
+                                                                   team_id: team.id)
+
+      expect(service_call.errors).to have_key(:user_without_permissions)
+    end
+  end
+
+  context 'when repository not found' do
+    it 'returns error about repository' do
+      service_call = Repositories::MultipleShareUpdateService.call(repository_id: -1,
+                                                                   user_id: user.id,
+                                                                   team_id: team.id)
+
+      expect(service_call.errors).to have_key(:invalid_arguments)
+    end
+  end
+
+  context 'when share' do
+    let(:service_call) do
+      Repositories::MultipleShareUpdateService.call(repository_id: repository.id,
+                                                    user_id: user.id,
+                                                    team_id: team.id,
+                                                    team_ids_for_share: [{ id: team2.id, permission_level: 'read' }])
+    end
+
+    it 'adds TeamRepository record' do
+      expect { service_call }.to change { TeamRepository.count }.by(1)
+    end
+
+    it 'adds Activity record' do
+      expect { service_call }.to(change { Activity.all.count }.by(1))
+    end
+
+    context 'when cannot generate share' do
+      let(:service_call) do
+        Repositories::MultipleShareUpdateService.call(repository_id: repository.id,
+                                                      user_id: user.id,
+                                                      team_id: team.id,
+                                                      team_ids_for_share: [{ id: -1, permission_level: 'read' }])
+      end
+
+      it 'returns error' do
+        expect(service_call.errors[:shares].count).to eq(1)
+      end
+    end
+  end
+
+  context 'when unshare' do
+    let(:service_call) do
+      Repositories::MultipleShareUpdateService.call(repository_id: repository.id,
+                                                    user_id: user.id,
+                                                    team_id: team.id,
+                                                    team_ids_for_unshare: [{ id: team2.id }])
+    end
+
+    it 'removes TeamRepository record' do
+      create :team_repository, :write, team: team2, repository: repository
+
+      expect { service_call }.to change { TeamRepository.count }.by(-1)
+    end
+
+    it 'adds Activity record' do
+      create :team_repository, :write, team: team2, repository: repository
+
+      expect { service_call }.to(change { Activity.all.count }.by(1))
+    end
+
+    context 'when cannot delete share' do
+      let(:service_call) do
+        Repositories::MultipleShareUpdateService.call(repository_id: repository.id,
+                                                      user_id: user.id,
+                                                      team_id: team.id,
+                                                      team_ids_for_unshare: [{ id: -1 }])
+      end
+
+      it 'returns error' do
+        expect(service_call.errors[:shares].count).to eq(1)
+      end
+    end
+  end
+
+  context 'when updates share permissions' do
+    let(:service_call) do
+      Repositories::MultipleShareUpdateService.call(repository_id: repository.id,
+                                                    user_id: user.id,
+                                                    team_id: team.id,
+                                                    team_ids_for_update: [{ id: team2.id, permission_level: 'read' }])
+    end
+
+    it 'updates permission for share record' do
+      tr = create :team_repository, :write, team: team2, repository: repository
+
+      expect { service_call }.to(change { tr.reload.permission_level })
+    end
+
+    it 'adds Activity record' do
+      create :team_repository, :write, team: team2, repository: repository
+
+      expect { service_call }.to(change { Activity.all.count }.by(1))
+    end
+
+    context 'when cannot update share' do
+      let(:service_call) do
+        Repositories::MultipleShareUpdateService.call(repository_id: repository.id,
+                                                      user_id: user.id,
+                                                      team_id: team.id,
+                                                      team_ids_for_update: [{ id: -1, permission_level: 'read' }])
+      end
+
+      it 'returns error' do
+        expect(service_call.errors[:shares].count).to eq(1)
+      end
+    end
+  end
+end