The ethos of Colman Architects is to work closely with Clients to refine designs and produce cost effective and elegant solutions. Established in 1988, Colman Architects has developed detailed expertise in the areas of Retail, Leisure, Mixed use and Office design. The size of the firm, between 20-35 architects, enables the board of Directors to have an intimate knowledge of every project from the smallest refurbishment to multi million pound development schemes. Areas serviced: Central Londonwww.colmanarchitects.co.uk27 Harcourt St, W1H 4HP

ESA is an established architecture and design group based in London and Hull, UK. We offer a range of professional services: architecture & design, town planning and project management. Everything we do is underpinned by quality thinking and a total focus on what our clients need from us. We focus on assembling talented teams that are dedicated to meeting client goals and, through creative endeavour, delivering buildings of recognisable quality. Areas serviced: Central Londonwww.esa-ltd.com27 Queen Anne St, W1G 9ES

At CDA, design is about more than the function and form of our buildings we are just as concerned with delivery. As one of the UK's top performers, we work to deliver major projects on time and budget, regardless of constraints. We've worked hard to earn our reputation for solving complex planning and design issues on different sites. Areas serviced: Central Londonwww.cda-group.co.uk3 Wimpole St, W1G 9SQ

And-associates / andassociates / David Jenkin - London architects creates those unique places, every time. We understand workplace Design. We know how it can help businesses concrete their sense of identity and Improve performance. The design of your workspace must say all the right things about you, capturing your Core values and projecting a distinct personality in a space that meets your practical Requirements. Areas serviced: Central Londonwww.and-associates.co.uk58 Marylebone High St, W1U 5HT

Andrew Lett Architects was founded in October 2003 by Andrew Lett, former Chairman of Aukett. He was joined in 2004 by Gary McCarthy who is now a Director of the practice. Based in London's West End, has many years experience of working with developers and corporate users on a range of projects including business parks, offices, retail and residential mixed use. Areas serviced: Central Londonwww.andrewlettarchitects.com120 Marylebone La, W1U 2QG