diff --git a/.travis.yml b/.travis.yml
index 4c97c19c..f19b93a9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,7 @@ gemfile:
   - gemfiles/rails_4.0.0.gemfile
   - gemfiles/rails_4.1.0.gemfile
   - gemfiles/rails_4.2.0.gemfile
-  - gemfiles/rails_5.0.0.gemfile
+  - gemfiles/rails_5.0.3.gemfile
 rvm:
   - 2.3.0
 before_install:
diff --git a/Appraisals b/Appraisals
index 3da841e6..e5879b0b 100644
--- a/Appraisals
+++ b/Appraisals
@@ -14,6 +14,6 @@ appraise "rails-4.2.0" do
 end
 
 
-appraise "rails-5.0.0" do
-  gem "rails", "5.0.0"
+appraise "rails-5.0.3" do
+  gem "rails", "5.0.3"
 end
diff --git a/README.md b/README.md
index dc6c4bd9..bea85bfb 100644
--- a/README.md
+++ b/README.md
@@ -42,6 +42,13 @@ class RumbasController < ApplicationController
     render :soap => params[:value].to_s
   end
 
+  soap_action 'single_string_response',
+              args:   { a: :string }
+              return: :string
+  def single_string_response
+    render soap: params[:a].to_s, wrap_response: false
+  end
+
   soap_action "concat",
               :args   => { :a => :string, :b => :string },
               :return => :string
@@ -254,6 +261,7 @@ Available properties are:
 * **namespace**: SOAP namespace to use. Default is `urn:WashOut`.
 * **snakecase_input**: Determines if WashOut should modify parameters keys to snakecase. Default is `false`.
 * **camelize_wsdl**: Determines if WashOut should camelize types within WSDL and responses. Supports `true` for CamelCase and `:lower` for camelCase. Default is `false`.
+* **service_name**: Allows to define a custom name for the SOAP service. By default, the name is set as `service`.
 
 ### Camelization
 
diff --git a/app/helpers/wash_out_helper.rb b/app/helpers/wash_out_helper.rb
index 6171e885..1275b9c3 100644
--- a/app/helpers/wash_out_helper.rb
+++ b/app/helpers/wash_out_helper.rb
@@ -10,6 +10,8 @@ def wsdl_data_options(param)
       end
     when 'document'
       { }
+    else
+      { }
     end
   end
 
@@ -23,10 +25,12 @@ def wsdl_data_attrs(param)
     end
   end
 
-  def wsdl_data(xml, params)
+  def wsdl_data(xml, params, wrap_response = true)
     params.each do |param|
       next if param.attribute?
 
+      return xml.text! param.value.to_s unless wrap_response == true
+
       tag_name = param.name
       param_options = wsdl_data_options(param)
       param_options.merge! wsdl_data_attrs(param)
diff --git a/app/views/wash_out/document/response.builder b/app/views/wash_out/document/response.builder
index 27bde385..8cb14ad6 100644
--- a/app/views/wash_out/document/response.builder
+++ b/app/views/wash_out/document/response.builder
@@ -4,14 +4,26 @@ xml.tag! "soap:Envelope", "xmlns:soap" => 'http://schemas.xmlsoap.org/soap/envel
                           "xmlns:tns" => @namespace do
   if !header.nil?
     xml.tag! "soap:Header" do
-      xml.tag! "tns:#{@action_spec[:response_tag]}" do
-        wsdl_data xml, header
+      if @response_attribute_tags.nil?
+        xml.tag! "#{@response_tag.nil? ? 'tns:' : @response_tag}#{@action_spec[:response_tag]}" do
+          wsdl_data xml, header
+        end
+      else
+        xml.tag! "#{@response_tag.nil? ? 'tns:' : @response_tag}#{@action_spec[:response_tag]}", @response_attribute_tags do
+          wsdl_data xml, header
+        end
       end
     end
   end
   xml.tag! "soap:Body" do
-    xml.tag! "tns:#{@action_spec[:response_tag]}" do
-      wsdl_data xml, result
+    if @response_attribute_tags.nil?
+      xml.tag! "#{@response_tag.nil? ? 'tns:' : @response_tag}#{@action_spec[:response_tag]}" do
+        wsdl_data xml, result
+      end
+    else
+      xml.tag! "#{@response_tag.nil? ? 'tns:' : @response_tag}#{@action_spec[:response_tag]}", @response_attribute_tags do
+        wsdl_data xml, result
+      end
     end
   end
 end
diff --git a/app/views/wash_out/document/wsdl.builder b/app/views/wash_out/document/wsdl.builder
index 470d0485..b9e65462 100644
--- a/app/views/wash_out/document/wsdl.builder
+++ b/app/views/wash_out/document/wsdl.builder
@@ -60,7 +60,7 @@ xml.definitions 'xmlns' => 'http://schemas.xmlsoap.org/wsdl/',
     end
   end
 
-  xml.service :name => "service" do
+  xml.service :name => @service_name do
     xml.port :name => "#{@name}_port", :binding => "tns:#{@name}_binding" do
       xml.tag! "soap:address", :location => WashOut::Router.url(request, @name)
     end
diff --git a/app/views/wash_out/rpc/response.builder b/app/views/wash_out/rpc/response.builder
index 0ccde4e1..25c5c521 100644
--- a/app/views/wash_out/rpc/response.builder
+++ b/app/views/wash_out/rpc/response.builder
@@ -5,14 +5,26 @@ xml.tag! "soap:Envelope", "xmlns:soap" => 'http://schemas.xmlsoap.org/soap/envel
                           "xmlns:tns" => @namespace do
   if !header.nil?
     xml.tag! "soap:Header" do
-      xml.tag! "tns:#{@action_spec[:response_tag]}" do
-        wsdl_data xml, header
+      if @response_attribute_tags.nil?
+        xml.tag! "#{@response_tag.nil? ? 'tns:' : @response_tag}#{@action_spec[:response_tag]}" do
+          wsdl_data xml, header
+        end
+      else
+        xml.tag! "#{@response_tag.nil? ? 'tns:' : @response_tag}#{@action_spec[:response_tag]}", @response_attribute_tags do
+          wsdl_data xml, header
+        end
       end
     end
   end
   xml.tag! "soap:Body" do
-    xml.tag! "tns:#{@action_spec[:response_tag]}" do
-      wsdl_data xml, result
+    if @response_attribute_tags.nil?
+      xml.tag! "#{@response_tag.nil? ? 'tns:' : @response_tag}#{@action_spec[:response_tag]}" do
+        wsdl_data xml, result
+      end
+    else
+      xml.tag! "#{@response_tag.nil? ? 'tns:' : @response_tag}#{@action_spec[:response_tag]}", @response_attribute_tags do
+        wsdl_data xml, result
+      end
     end
   end
 end
diff --git a/app/views/wash_out/rpc/wsdl.builder b/app/views/wash_out/rpc/wsdl.builder
index 3b9da68f..4ae19306 100644
--- a/app/views/wash_out/rpc/wsdl.builder
+++ b/app/views/wash_out/rpc/wsdl.builder
@@ -60,7 +60,7 @@ xml.definitions 'xmlns' => 'http://schemas.xmlsoap.org/wsdl/',
     end
   end
 
-  xml.service :name => "service" do
+  xml.service :name => @service_name do
     xml.port :name => "#{@name}_port", :binding => "tns:#{@name}_binding" do
       xml.tag! "soap:address", :location => WashOut::Router.url(request, @name)
     end
diff --git a/gemfiles/rails_3.2.13.gemfile b/gemfiles/rails_3.2.13.gemfile
deleted file mode 100644
index 30a7d846..00000000
--- a/gemfiles/rails_3.2.13.gemfile
+++ /dev/null
@@ -1,21 +0,0 @@
-# This file was generated by Appraisal
-
-source "http://rubygems.org"
-
-gem "wasabi"
-gem "savon", ">= 2.0.0"
-gem "httpi"
-gem "rspec-rails"
-gem "guard"
-gem "guard-rspec"
-gem "rb-fsevent"
-gem "appraisal"
-gem "tzinfo"
-gem "pry"
-gem "simplecov"
-gem "simplecov-summary"
-gem "rails", "3.2.13"
-gem "test-unit"
-gem "listen", "< 3.1.0"
-
-gemspec :path => "../"
diff --git a/gemfiles/rails_4.0.0.gemfile b/gemfiles/rails_4.0.0.gemfile
index b0be367b..6b08fd7e 100644
--- a/gemfiles/rails_4.0.0.gemfile
+++ b/gemfiles/rails_4.0.0.gemfile
@@ -17,4 +17,4 @@ gem "simplecov-summary"
 gem "rails", "4.0.0"
 gem "listen", "< 3.1.0"
 
-gemspec :path => "../"
+gemspec path: "../"
diff --git a/gemfiles/rails_4.1.0.gemfile b/gemfiles/rails_4.1.0.gemfile
index 2ab74511..90819202 100644
--- a/gemfiles/rails_4.1.0.gemfile
+++ b/gemfiles/rails_4.1.0.gemfile
@@ -17,4 +17,4 @@ gem "simplecov-summary"
 gem "rails", "4.1.0"
 gem "listen", "< 3.1.0"
 
-gemspec :path => "../"
+gemspec path: "../"
diff --git a/gemfiles/rails_4.2.0.gemfile b/gemfiles/rails_4.2.0.gemfile
index 4b012b6f..0fb79ec6 100644
--- a/gemfiles/rails_4.2.0.gemfile
+++ b/gemfiles/rails_4.2.0.gemfile
@@ -17,4 +17,4 @@ gem "simplecov-summary"
 gem "rails", "4.2.0"
 gem "listen", "< 3.1.0"
 
-gemspec :path => "../"
+gemspec path: "../"
diff --git a/gemfiles/rails_5.0.0.beta2.gemfile b/gemfiles/rails_5.0.0.beta2.gemfile
deleted file mode 100644
index 11362b1f..00000000
--- a/gemfiles/rails_5.0.0.beta2.gemfile
+++ /dev/null
@@ -1,19 +0,0 @@
-# This file was generated by Appraisal
-
-source "http://rubygems.org"
-
-gem "wasabi"
-gem "savon", ">= 2.0.0"
-gem "httpi"
-gem "rspec-rails"
-gem "guard"
-gem "guard-rspec"
-gem "rb-fsevent"
-gem "appraisal"
-gem "tzinfo"
-gem "pry"
-gem "simplecov"
-gem "simplecov-summary"
-gem "rails", "5.0.0.beta2"
-
-gemspec :path => "../"
diff --git a/gemfiles/rails_5.0.0.gemfile b/gemfiles/rails_5.0.3.gemfile
similarity index 85%
rename from gemfiles/rails_5.0.0.gemfile
rename to gemfiles/rails_5.0.3.gemfile
index fa96fd53..69aec8d0 100644
--- a/gemfiles/rails_5.0.0.gemfile
+++ b/gemfiles/rails_5.0.3.gemfile
@@ -14,6 +14,6 @@ gem "tzinfo"
 gem "pry"
 gem "simplecov"
 gem "simplecov-summary"
-gem "rails", "5.0.0"
+gem "rails", "5.0.3"
 
-gemspec :path => "../"
+gemspec path: "../"
diff --git a/lib/wash_out/dispatcher.rb b/lib/wash_out/dispatcher.rb
index df5550f8..1ffc68d1 100644
--- a/lib/wash_out/dispatcher.rb
+++ b/lib/wash_out/dispatcher.rb
@@ -72,9 +72,12 @@ def _load_params(spec, xml_data)
 
     # This action generates the WSDL for defined SOAP methods.
     def _generate_wsdl
-      @map       = self.class.soap_actions
-      @namespace = soap_config.namespace
-      @name      = controller_path
+      @map                     = self.class.soap_actions
+      @namespace               = soap_config.namespace
+      @response_tag            = soap_config.response_tag
+      @response_attribute_tags = soap_config.response_attribute_tags
+      @name                    = controller_path
+      @service_name            = soap_config.service_name
 
       render :template => "wash_out/#{soap_config.wsdl_style}/wsdl", :layout => false,
              :content_type => 'text/xml'
@@ -82,9 +85,11 @@ def _generate_wsdl
 
     # Render a SOAP response.
     def _render_soap(result, options)
-      @namespace   = soap_config.namespace
-      @operation   = soap_action = request.env['wash_out.soap_action']
-      @action_spec = self.class.soap_actions[soap_action]
+      @namespace               = soap_config.namespace
+      @response_tag            = soap_config.response_tag
+      @response_attribute_tags = soap_config.response_attribute_tags
+      @operation               = soap_action = request.env['wash_out.soap_action']
+      @action_spec             = self.class.soap_actions[soap_action]
 
       result = { 'value' => result } unless result.is_a? Hash
       result = HashWithIndifferentAccess.new(result)
@@ -137,12 +142,15 @@ def _render_soap(result, options)
         header = HashWithIndifferentAccess.new(header)
       end
 
+      wrap_response = options.fetch :wrap_response, true
+
       render :template => "wash_out/#{soap_config.wsdl_style}/response",
              :layout => false,
              :locals => {
                :header => header.present? ? inject.call(header, @action_spec[:header_out])
                                       : nil,
-               :result => inject.call(result, @action_spec[:out])
+               :result => inject.call(result, @action_spec[:out]),
+               :wrap_response => wrap_response
              },
              :content_type => 'text/xml'
     end
diff --git a/lib/wash_out/soap.rb b/lib/wash_out/soap.rb
index ec5e25d9..96bf7888 100644
--- a/lib/wash_out/soap.rb
+++ b/lib/wash_out/soap.rb
@@ -33,7 +33,7 @@ def soap_action(action, options={})
 
         end
 
-        default_response_tag = soap_config.camelize_wsdl ? 'Response' : '_response'
+        default_response_tag = 'Response'
         default_response_tag = action+default_response_tag
 
 
diff --git a/lib/wash_out/soap_config.rb b/lib/wash_out/soap_config.rb
index 438331a3..1836d2d8 100644
--- a/lib/wash_out/soap_config.rb
+++ b/lib/wash_out/soap_config.rb
@@ -15,6 +15,9 @@ class SoapConfig
       wsse_password: nil,
       wsse_auth_callback: nil,
       soap_action_routing: true,
+      service_name: 'service',
+      response_tag: nil,
+      response_attribute_tags: nil
     }
 
     attr_reader :config
diff --git a/spec/lib/wash_out_spec.rb b/spec/lib/wash_out_spec.rb
index 6f1714ba..5bc16ce3 100644
--- a/spec/lib/wash_out_spec.rb
+++ b/spec/lib/wash_out_spec.rb
@@ -119,6 +119,40 @@ def savon!(method, message={}, &block)
     end
   end
 
+  describe 'WSDL' do
+    let :wsdl do
+      mock_controller
+
+      HTTPI.get('http://app/route/api/wsdl').body
+    end
+
+    let :xml do
+      nori.parse wsdl
+    end
+
+    it "defines a default service name as 'service'" do
+      service_name = xml[:definitions][:service][:@name]
+      expect(service_name).to match 'service'
+    end
+  end
+
+  describe 'WSDL' do
+    let :wsdl do
+      mock_controller service_name: 'CustomServiceName'
+
+      HTTPI.get('http://app/route/api/wsdl').body
+    end
+
+    let :xml do
+      nori.parse wsdl
+    end
+
+    it 'allows to define a custom service name' do
+      service_name = xml[:definitions][:service][:@name]
+      expect(service_name).to match 'CustomServiceName'
+    end
+  end
+
   describe "Dispatcher" do
 
     context "simple actions" do
@@ -270,6 +304,18 @@ def funky
 
         expect(savon(:funky, :a => 42, :b => 'k')[:funky_response][:value]).to eq '420k'
       end
+
+      it 'responds with single strings without wraping the response' do
+        mock_controller do
+          soap_action 'single_string', args: { a: :string }, return: :string
+          def single_string
+            render soap: params[:a], wrap_response: false
+          end
+        end
+
+        response = savon(:single_string, a: 'single string')[:single_string_response]
+        expect(response).to match 'single string'
+      end
     end
 
     context "complex actions" do