Greig & Stephenson Architects is an architecture studio that specialises in market retail design and redevelopment. Based in London, the firm was founded by Ken Greig and Nigel Stephenson in 1994. The practice has undertaken a number of retail developments, new-build commissions, refurbishments, urban regeneration schemes and commercial interiors. Its clients include institutional property funds, major high-street retailers, private clients and charitable trusts.

The firm was commissioned to revitalise the historic market in Preston town centre, using two existing listed structures (pictured above).