About Cornerstone

Cornerstone are a well established company working in Central London, providing contracted commercial property maintenance and commercial refurbishment. Our company operates in a very specific area that allows us to concentrate our efforts and provide a more focused attention to customers in this area.

We always aim high to provide a proactive, considerate and affordable service to our clients, building trust and confidence from our business relationships.




What we Offer

Building Maintenance

Our team are a responsive organisation with a can do approach with the ability to overcome most problems with outsourcing capabilities. This represents a one stop solution for a wide variety of services using fully qualified tradesmen with a minimum of 6yrs experience and a high standard of work.

  • Established over 10yrs
  • Skilled Tradesmen
  • Experienced & Professional
  • Responsive Service
  • Dedicated Teams
  • Courteous and Clean
Creative Solutions

We specialise in providing reactive contract maintenance for commercial properties and all types of building within our area including, retail, factory, office and residential. We also supply that creative spark needed to achieve those special results. Because we operate in a specific area we deliver a more personalised service.

  • Extensive Services
  • Contracted Maintenance
  • Design and Build
  • Custom Projects
  • Repair and Restoration
  • Consultation
Our Team

painting roller

Our painters are well-versed in painting many types of surfaces, producing a variety of finishes.

electrical circuit box

NICEIC registered electrician for safe installing or repair of electrical circuits and equipment testing.

wood saw

We employ skilled carpenters for joinery, repairs and bespoke items using modern and traditional techniques.

boiler pipes

Experienced plumbers available for competent repairs and maintenance of you plumbing and drainage.

Business Principles

Our Customers

Cornerstone strive to deliver a high level of service to all our customers to their satisfaction and build on our continued success. We are easy to contact and make every effort to act at short notice if you need something done in a hurry.


Because we concentrate our efforts within a specific geographical area we are able to offer the sort of loyalty and reliability that our competitors cannot match keeping our costs down and our prices competitive.


We believe that our staff are our greatest asset, which is why we only hire highly skilled staff with a minimum of 6yrs experience who possess documented qualifications and take a personal pride in all they do. This strengthens our reputation and enhances our work.


Even if our clients are not exactly sure of what their needs are we will work closely with them in partnership to get the desired results using craftsmen who take pride in their work, possessing the expertise and passion to make your ideas come to life.

Team Principles

How We Work

Honesty and integrity as part of our ethical standards play an important part in producing the sort of service that our clients rely upon, giving our customers the reassurance that they're receiving exceptional service from staff willing to go that extra mile.

Designed For You

Cornerstone frequently create bespoke unique products tailored to your needs working to a budget and giving expert advice for complete customer satisfaction.