Momentum Tax Group - R&D Tax Relief & Capital Allowances | 737 followers on LinkedIn. Supporting companies to prepare tax incentives for R&D Tax Credits & Capital Allowances | At Momentum, we’re dedicated to helping every client achieve the absolute optimum tax relief they are due for R&D and Capital Allowances. With a proven track record in generating significant financial benefit for businesses across the UK and Ireland, our Tax Credit Consultants understand how transformative the right advice can be in driving your success. Many businesses are unaware that they may be entitled to claim credit against these generous tax initiatives.