GMAC-RFC is a mortgage asset management company. sosna witts were engaged to support the main architect and prepare the new GMAC-RFC offices in Arlington Square, Bracknell. Workplace design provided the strategic space plans and office interior design for occupation. sosna witts provided support specifications for the initial fit-out, together with specifications for new office furniture and workplace art installed. sosna witts provides on-going support to GMAC-RFC.