Error! You must javascript enabled to use this form. Please enable Javascript in your browser. UK Umbrella Company Tarpon Launches New Contractor Salary Calculator A new contractor salary calculator has just been launched by Tarpon, a leading UK umbrella company who specialise in contractor tax efficiency. View full press release Your Name: Your Email: Subject: Question: We respects your privacy, the information you entered above will not be used to send unsolicited email, and will not be rented or sold to a 3rd party. Your contact information will be shared with the recipient of this message - Privacy Policy Send