InvestAcc Group Limited, together with its subsidiaries, provides pension administration financial advisory services in the United Kingdom. It operates through Pension Administration and Related Services and Wealth Management Services segments. The company provides full self-invested personal pension (SIPP) scheme, which offers a range of investment choices, including commercial property; and administration services to small self-administered schemes (SSAS). It also offers advisory services for investments, pensions, and wider financial planning matters.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. Address: 11 Buckingham Street, London, United Kingdom, WC2N 6DF