diff --git a/app/controllers/organisations_controller.rb b/app/controllers/organisations_controller.rb
index f0c2dcbfd..cc5751edf 100644
--- a/app/controllers/organisations_controller.rb
+++ b/app/controllers/organisations_controller.rb
@@ -17,7 +17,7 @@ class OrganisationsController < ApplicationController
   end
 
   def users
-    @pagy, @users = pagy(User.filter_by_name(params["user-search-field"]).filter_by_active)
+    @pagy, @users = pagy(filtered_users)
     render "users/index"
   end
 
@@ -58,6 +58,14 @@ class OrganisationsController < ApplicationController
 
 private
 
+  def filtered_users
+    if search_param = params["user-search-field"]
+      User.search_by(search_param)
+    else 
+      User.all
+    end.filter_by_active
+  end
+
   def org_params
     params.require(:organisation).permit(:name, :address_line1, :address_line2, :postcode, :phone)
   end
diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 0640fbf18..375a1052c 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -9,7 +9,7 @@ class UsersController < ApplicationController
   def index
     redirect_to users_organisation_path(current_user.organisation) unless current_user.support?
 
-    @pagy, @users = pagy(User.filter_by_name(params["user-search-field"]).filter_by_active)
+    @pagy, @users = pagy(filtered_users)
 
     respond_to do |format|
       format.html
@@ -77,6 +77,14 @@ class UsersController < ApplicationController
 
 private
 
+  def filtered_users
+    if search_param = params["user-search-field"]
+      User.search_by(search_param)
+    else 
+      User.all
+    end.filter_by_active
+  end
+
   def format_error_messages
     errors = @user.errors.to_hash
     @user.errors.clear
diff --git a/app/models/user.rb b/app/models/user.rb
index 2cae675ad..97cc43c62 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -32,8 +32,10 @@ class User < ApplicationRecord
 
   enum role: ROLES
 
-  scope :filter_by_name, ->(name) { name.present? ? where("name ILIKE ?", "%#{name}%") : User.all }
-  scope :filter_by_active, ->() { where(active: true) }
+  scope :search_by_name, ->(name) { where("name ILIKE ?", "%#{name}%") }
+  scope :search_by_email, ->(email) { where("email ILIKE ?", "%#{email}%") }
+  scope :filter_by_active, -> { where(active: true) }
+  scope :search_by, ->(param) { search_by_name(param).or(search_by_email(param)) }
 
   def case_logs
     if support?
diff --git a/spec/requests/users_controller_spec.rb b/spec/requests/users_controller_spec.rb
index 76a992bc6..8fdaa7b93 100644
--- a/spec/requests/users_controller_spec.rb
+++ b/spec/requests/users_controller_spec.rb
@@ -335,8 +335,8 @@ RSpec.describe UsersController, type: :request do
   end
 
   context "when user is signed in as a data coordinator" do
-    let(:user) { FactoryBot.create(:user, :data_coordinator) }
-    let!(:other_user) { FactoryBot.create(:user, organisation: user.organisation, name: "filter name") }
+    let(:user) { FactoryBot.create(:user, :data_coordinator, email: "coordinator@example.com") }
+    let!(:other_user) { FactoryBot.create(:user, organisation: user.organisation, name: "filter name", email: "filter@example.com") }
 
     describe "#index" do
       before do
@@ -364,7 +364,8 @@ RSpec.describe UsersController, type: :request do
         end
 
         context "when our search string matches case" do
-          let (:search_param){"filter"}
+          let(:search_param) { "filter" }
+
           it "returns only matching results" do
             expect(page).not_to have_content(user.name)
             expect(page).to have_content(other_user.name)
@@ -372,7 +373,8 @@ RSpec.describe UsersController, type: :request do
         end
 
         context "when we need case insensitive search" do
-          let (:search_param){"Filter"}
+          let(:search_param) { "Filter" }
+
           it "returns only matching results" do
             expect(page).not_to have_content(user.name)
             expect(page).to have_content(other_user.name)
@@ -754,9 +756,9 @@ RSpec.describe UsersController, type: :request do
     end
 
     describe "#index" do
-      let!(:other_user) { FactoryBot.create(:user, organisation: user.organisation, name: "User 2") }
-      let!(:inactive_user) { FactoryBot.create(:user, organisation: user.organisation, active: false, name: "User 3") }
-      let!(:other_org_user) { FactoryBot.create(:user, name: "User 4") }
+      let!(:other_user) { FactoryBot.create(:user, organisation: user.organisation, name: "User 2", email: "other@example.com") }
+      let!(:inactive_user) { FactoryBot.create(:user, organisation: user.organisation, active: false, name: "User 3", email: "inactive@example.com") }
+      let!(:other_org_user) { FactoryBot.create(:user, name: "User 4", email: "other_org@other_example.com") }
 
       before do
         sign_in user
@@ -787,23 +789,38 @@ RSpec.describe UsersController, type: :request do
           get "/users?user-search-field=#{search_param}"
         end
 
-        context "when our search string matches case" do
-          let (:search_param){"Danny"}
-          it "returns only matching results" do
-            expect(page).to have_content(user.name)
-            expect(page).not_to have_content(other_user.name)
-            expect(page).not_to have_content(inactive_user.name)
-            expect(page).not_to have_content(other_org_user.name)
+        context "when our search term matches a name" do
+          context "when our search string matches case" do
+            let(:search_param) { "Danny" }
+
+            it "returns only matching results" do
+              expect(page).to have_content(user.name)
+              expect(page).not_to have_content(other_user.name)
+              expect(page).not_to have_content(inactive_user.name)
+              expect(page).not_to have_content(other_org_user.name)
+            end
+          end
+
+          context "when we need case insensitive search" do
+            let(:search_param) { "danny" }
+
+            it "returns only matching results" do
+              expect(page).to have_content(user.name)
+              expect(page).not_to have_content(other_user.name)
+              expect(page).not_to have_content(inactive_user.name)
+              expect(page).not_to have_content(other_org_user.name)
+            end
           end
         end
 
-        context "when we need case insensitive search" do
-          let (:search_param){"danny"}
-          it "returns only matching results" do
-            expect(page).to have_content(user.name)
+        context "when our search term matches an email" do
+          let(:search_param) { "other_org@other_example.com" }
+
+          it "returns only matching result" do
+            expect(page).not_to have_content(user.name)
             expect(page).not_to have_content(other_user.name)
             expect(page).not_to have_content(inactive_user.name)
-            expect(page).not_to have_content(other_org_user.name)
+            expect(page).to have_content(other_org_user.name)
           end
         end
       end