InvestAcc Group Limited, together with its subsidiaries, operates in the pension administration business in the United Kingdom. The company provides the self-invested personal pension (SIPP) scheme, including the Minerva SIPP plan, a full SIPP that allows investment in any permitted standard asset; and SIPP Lite scheme, which allows single investment. It also offers the small self-administered scheme (SASS), which is a pension scheme. In addition, the company provides initial and ongoing advice under service agreements. The company was formerly known as Marwyn Acquisition Company II Limited and changed its name InvestAcc Group Limited in October 2024. InvestAcc Group Limited was founded in 1992 and is headquartered in London, United Kingdom.