About Us

TSL started life back in 2009 in Portsmouth Hampshire, by 2 work colleagues wanting to extend their services to a diverse clientele based on a unique set of principles. Since then, the company has evolved with these principles converting them in to pillars of the business, at the for front of everything we do.

The knowledge, skills and intellectual capital of our people ensure we are able to build relationships, project manage, service all aspects required by our clients for the building envelope. We maintain a strong focus and pride that comes from putting our clients and principles first!

WE BUILD OUR BUSINESS & RELATIONSHIPS ON THE FOUR PILLARS OF OUR BUSINESS:

Client Relations

Technical Excellence

Health and Safety


These values are at the forefront of how we conduct ourselves which has allowed us to become established as a company that is trusted and relied upon across the industry.

One of the values that we hold in high regard outside of the four pillars is communication, in order to strive for this, we’ve invested in our own web-based software. This provides a project specific link to all documentation which can be tailored to suit each & every client on all types of projects. Utilising technology in conjunction with our experience and knowledge will allow us to operate alongside you as an integrated business unit. All our team from director level through to apprentices work on the values of being polite, personal, professional and solution oriented with a positive attitude throughout.

Our culture is built upon each and every member of our team being polite & personable with a positive “can do” attitude, while upholding professional integrity at all times. Our business culture ensures TSL are being recognised for its service levels with a consistent approach across all facets of the business.


Our continuous growth is down to our core values and investing in our people, this has enabled us to build successful client relationships that has led to repeat business year in, year out that circulates around 87% of our annual turnover. We are forward thinking, innovative and dedicated to providing the highest of standards whilst forging long term relationships. TSL’s successful reputation comes down to our dedication and commitment to our clients, quality workmanship, reliability and delivering projects on time and within budget while maintaining safety of the people throughout.