R&D Tax Relief

Turn your spend on coders into cash

  • We only get paid when you win
  • No upfront fees
  • 100% success rate
Want us to get going right away? Call 074 735 02250 (United Kingdom) or email cashback@f6s.com

We’ve helped hundreds of startups like you

"It was very easy to work with f6s, they made the process as painless as it can be, and enabled us to claim more than we hoped for."

"F6S brings professionals which understand quickly the technical challenges from our R&D processes and the related fiscal consequences; They are valuable partners for improving the company cash flow statements and financial projections. It's a pleasure to work with the F6S team and I would highly recommend them to any tech startup."

Remus Cazacu

Founder of Plotto Limited

"All our R&D tax credits have been successful with F6S. The team is very efficient as they achieved great results and without needing too much of my time. I highly recommend F6S."

Laurent Biancardini

Founder of Basaltis Ltd

How it works

F6S turns the money you spend on salaries, contractors, software and more into cash

  • We get you a cash refund or reduce your company’s tax bill
  • You can claim back up to 33% of your spend
  • We can get you cash back even if you are not paying corporation tax
  • Get a free consultation and we’ll answer all questions
  1. Sign Up
  2. We do the work for you
  3. Get your cash back

No upfront fees

There’s no charge to file for a refund. We get paid when you get paid

100% success record

We get your cash 100% of the time. You can trust that we will successfully complete your refund

15+ years experience

Our team includes specialist accountants and HMRC veterans

F6S helps Startups and small businesses grow.

We deliver hundreds of millions each year in growth opportunities.

Over 100,000 Startups and Small Businesses call F6S home.

The F6S R&D Tax Relief Service is based on the same business friendly principles:

  • Best in market R&D Tax Relief Service
  • Market-beating pricing
  • Fair and transparent terms (there's no catch, honest!)