diff --git a/Gemfile.lock b/Gemfile.lock
index 3d6b917..a63fc80 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    ruby_ares (0.1.0)
+    ruby_ares (0.2.0)
 
 GEM
   remote: https://rubygems.org/
diff --git a/README.md b/README.md
index b0c45b6..a29b183 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ This gem is not implementing whole ARES API, only the part that allow to get inf
 Add this line to your application's Gemfile:
 
 ```ruby
-gem "ruby_ares", "~> 0.1.0", github: "railsformers/ruby_ares"
+gem "ruby_ares", "~> 0.2.0", github: "railsformers/ruby_ares"
 ```
 
 ## Usage
@@ -77,6 +77,13 @@ Return data is default type of `OpenStruct`. If you prefer `Hash` type, you can
  }
 ```
 
+To get ARES information about a company in more detail, use the `PublicRegister` class:
+
+```ruby
+  response = RubyAres::PublicRegister.get("24704440")
+  file_mark(response) # use of file mark parser
+```
+
 ### Exceptions
 
 In case of an error, the `Ares` class will raise an `RubyAres::Error` exception. The exception will contain the error message from ARES, response status, type and response.
diff --git a/lib/ruby_ares.rb b/lib/ruby_ares.rb
index a0f18f4..3de13dd 100644
--- a/lib/ruby_ares.rb
+++ b/lib/ruby_ares.rb
@@ -1,7 +1,9 @@
 # frozen_string_literal: true
 
 require_relative "ruby_ares/version"
+require_relative "ruby_ares/base"
 require_relative "ruby_ares/subject"
+require_relative "ruby_ares/public_register"
 
 module RubyAres
   class Error < StandardError
diff --git a/lib/ruby_ares/base.rb b/lib/ruby_ares/base.rb
new file mode 100644
index 0000000..398538e
--- /dev/null
+++ b/lib/ruby_ares/base.rb
@@ -0,0 +1,29 @@
+require 'ostruct'
+
+module RubyAres
+  class Base
+    class << self
+      def get(ico, object_class = OpenStruct)
+        uri = URI("#{base_url}/#{ico}")
+
+        response = Net::HTTP.get_response(uri)
+
+        case response
+        when Net::HTTPSuccess then
+          JSON.parse(response.body, object_class: object_class)
+        when Net::HTTPRedirection then
+          location = response['location']
+          warn "redirected to #{location}"
+          fetch(location, limit - 1)
+        else
+          raise RubyAres::Error.new(
+            msg: "Request failed with #{response.code}",
+            type: response.class.name,
+            status: response.code,
+            response: (JSON.parse(response.body) rescue response.body)
+          )
+        end
+      end
+    end
+  end
+end
diff --git a/lib/ruby_ares/public_register.rb b/lib/ruby_ares/public_register.rb
new file mode 100644
index 0000000..a2e54f6
--- /dev/null
+++ b/lib/ruby_ares/public_register.rb
@@ -0,0 +1,43 @@
+module RubyAres
+  class PublicRegister < Base
+    COURT_CODES = {
+      "MSPH" => "Městský soud v Praze",
+      "KSPH" => "Krajský soud v Praze",
+      "KSCB" => "Krajský soud v Českých Budějovicích",
+      "KSTB" => "Krajský soud v Českých Budějovicích – pobočka v Táboře",
+      "KSPL" => "Krajský soud v Plzni",
+      "KSKV" => "Krajský soud v Plzni – pobočka v Karlových Varech",
+      "KSUL" => "Krajský soud v Ústí nad Labem",
+      "KSLB" => "Krajský soud v Ústí nad Labem – pobočka v Liberci",
+      "KSHK" => "Krajský soud v Hradci Králové",
+      "KSPA" => "Krajský soud v Hradci Králové – pobočka v Pardubicích",
+      "KSBR" => "Krajský soud v Brně",
+      "KSJI" => "Krajský soud v Brně – pobočka v Jihlavě",
+      "KSZL" => "Krajský soud v Brně – pobočka ve Zlíně",
+      "KSOS" => "Krajský soud v Ostravě",
+      "KSOL" => "Krajský soud v Ostravě – pobočka v Olomouci",
+      "VSPH" => "Vrchní soud v Praze",
+      "VSOL" => "Vrchní soud v Olomouci",
+      "NSCR" => "Nejvyšší soud České republiky",
+      "MSp" => "Společný soud"
+    }.freeze
+
+    class << self
+      def base_url
+        'https://ares.gov.cz/ekonomicke-subjekty-v-be/rest/ekonomicke-subjekty-vr'.freeze
+      end
+      
+      def file_mark(json)
+        record = json.zaznamy.select { |pr| pr.primarniZaznam == true }.first.spisovaZnacka.select { |sz| !sz.datumVymazu }.first
+        court_code = record.soud
+        court_name = COURT_CODES[court_code] || court_code
+        
+        {
+          court_name: court_name,
+          first_number: record.oddil,
+          second_number: record.vlozka
+        }
+      end
+    end
+  end
+end
diff --git a/lib/ruby_ares/subject.rb b/lib/ruby_ares/subject.rb
index 30ae1f9..c87f63a 100644
--- a/lib/ruby_ares/subject.rb
+++ b/lib/ruby_ares/subject.rb
@@ -1,30 +1,8 @@
-require 'ostruct'
-
 module RubyAres
-  class Subject
-    BASE_URL = 'https://ares.gov.cz/ekonomicke-subjekty-v-be/rest/ekonomicke-subjekty'.freeze
-
+  class Subject < Base
     class << self
-      def get(ico, object_class = OpenStruct)
-        uri = URI("#{BASE_URL}/#{ico}")
-
-        response = Net::HTTP.get_response(uri)
-
-        case response
-        when Net::HTTPSuccess then
-          JSON.parse(response.body, object_class: object_class)
-        when Net::HTTPRedirection then
-          location = response['location']
-          warn "redirected to #{location}"
-          fetch(location, limit - 1)
-        else
-          raise RubyAres::Error.new(
-            msg: "Request failed with #{response.code}",
-            type: response.class.name,
-            status: response.code,
-            response: (JSON.parse(response.body) rescue response.body)
-          )
-        end
+      def base_url
+        'https://ares.gov.cz/ekonomicke-subjekty-v-be/rest/ekonomicke-subjekty'.freeze
       end
     end
   end
diff --git a/lib/ruby_ares/version.rb b/lib/ruby_ares/version.rb
index 5976c2f..288af18 100644
--- a/lib/ruby_ares/version.rb
+++ b/lib/ruby_ares/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module RubyAres
-  VERSION = "0.1.0"
+  VERSION = "0.2.0"
 end
diff --git a/spec/public_register_spec.rb b/spec/public_register_spec.rb
new file mode 100644
index 0000000..21e8e87
--- /dev/null
+++ b/spec/public_register_spec.rb
@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+RSpec.describe RubyAres::PublicRegister do
+  let(:ico) { '26168685' }
+
+  subject { RubyAres::PublicRegister.get(ico) }
+
+  before do
+    stub_request(:get, "#{RubyAres::PublicRegister.base_url}/#{ico}")
+      .to_return(
+        body:
+        {
+          "icoId":"26168685",
+          "zaznamy":[
+            {"rejstrik":"OR","primarniZaznam":true,"spisovaZnacka":[{"datumZapisu":"2000-04-05","soud":"MSPH","oddil":"B","vlozka":6493}]}
+          ]
+        }.to_json
+      )
+  end
+
+  describe 'get' do
+    it 'returns result as OpenStruct' do
+      expect(subject).to be_a(OpenStruct)
+      expect(subject.icoId).to eq(ico)
+    end
+
+    context 'Hash structure' do
+      subject { RubyAres::PublicRegister.get(ico, Hash) }
+
+      it 'returns result as Hash' do
+        expect(subject).to be_a(Hash)
+      end
+    end
+  end
+  
+  describe 'file_mark' do
+    it 'returns result as Hash' do
+      expect(RubyAres::PublicRegister.file_mark(subject)).to eq({
+        court_name: RubyAres::PublicRegister::COURT_CODES['MSPH'],
+        first_number: 'B',
+        second_number: 6493
+      })
+    end
+  end
+end
diff --git a/spec/subject_spec.rb b/spec/subject_spec.rb
index 9d09b1e..15a0181 100644
--- a/spec/subject_spec.rb
+++ b/spec/subject_spec.rb
@@ -7,7 +7,7 @@
 
   describe 'get' do
     before do
-      stub_request(:get, "#{RubyAres::Subject::BASE_URL}/#{ico}")
+      stub_request(:get, "#{RubyAres::Subject.base_url}/#{ico}")
         .to_return(
           body:
           {