Welcome to OPUK Group.

Fair taxation,
for everyone.

Our Mission

OPUK Group has been fighting for taxpayers’ rights since 2012.

We are a Leicestershire-based firm of Chartered Accountants, specialising exclusively in the recovery of overpaid income tax.

Our mission is to provide the hard-working people of Great Britain with a level playing field when it comes to their personal tax affairs and dealing with HM Revenue & Customs.

Fully ICAEW regulated

OPUK Group is a firm of Chartered Accountants and a Member Firm of the Institute of Chartered Accountants in England and Wales (ICAEW), who are also our regulator.

We are also managed and run exclusively by a team of highly experienced ICAEW-qualified Chartered Accountants.


OPUK Group is a modern, forward thinking firm which exists exclusively to fight for the rights of the ordinary working people of Great Britain.

If you are an exceptional individual and are interested in joining our growing team, please get in touch. We will be delighted to hear from you.

careers (external site)

Monday – Friday 9am – 5pm

OPUK Group
PO Box 10521
Market Harborough
LE16 0HE

Customer Services
Monday – Thursday 9am-8pm
Friday 9am – 5pm
Saturday 9am – 1pm

Copyright © 2018 Online Processing (UK) Limited. OPUK Group is a trading style of Online Processing (UK) Limited, a Member Firm of the Institute of Chartered Accountants in England and Wales (ICAEW), registered in England and Wales, no. 07981782, with a registered office at PO Box 10521, Market Harborough, Leicestershire, Le16 0HE