Sheldon Walsh, healthcare director, has been appointed to the board of directors.
Walsh will continue to manage and develop the health sector nationwide for AFL, while based in the practice's office in St George's House. He has been given an equity stake in the business.
David Stansfield has been promoted to senior associate, and will be involved in the management of the technical team.
Architects Neil Whatford, Dan Rostron and Neil Milling from the healthcare team have been made associates.
Martin Morton, managing director of AFL said: "We have a truly talented team here in the North West who are dedicated to superb design and maintaining the strong relationships we have with our clients. The promotions are in recognition of the commitment and continued hard work of these individuals who continue to help AFL prosper."