About Us PORTLAND DECORATING & DESIGN LTD is a leading painting and decorating specialist operating within the London area. Since 2004 we have been providing a comprehensive service for all aspects of internal and external painting and decorating. PORTLAND DECORATING & DESIGN LTD works for private clients, property managers, estate agents, interior designers and numerous other companies across the city as their main contractor. See our client list to see who we work with. PORTLAND DECORATING & DESIGN carry out internal and external decorating works, polished plaster, paint effects, wall-hanging and murals. We also offer a bespoke design service to all of our clients. We take great pride in the quality of our workmanship and are committed to delivering prompt quotations at competitive rates.