A Suffolk accountancy firm will feature on BBC One's Rip Off Britain as part of investigations into firms across the country. 

Apostle Accounting, based in Marriotts Walk in Stowmarket, will feature on the show at 9.15am on Wednesday. 

Several clients have told this newspaper they used Apostle to claim a tax refund – some to the tune of thousands of pounds, with the firm taking a 20% cut – only for HMRC to later say they were not entitled to the money.

A police enquiry is now underway. 

Apostle has repeatedly denied any wrongdoing over the tax refund matter and said HMRC applied the wrong guidance when authorising the payments to the clients in the first place.

When the issue first came to light, Apostle, which was founded by Zoe Goodchild in 2012, said it was taking the matter "extremely seriously" and believed the cases "showcase an incorrect application by HMRC officers of its own rules/guidance".

A spokesman for Apostle previously said: "We maintain that all rebate claims were made and awarded within HMRC rules and in no way accept liability for payments HMRC may be seeking from our former clients."