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Geosynthetic Technology Ltd

Active, accounts up to date·subcontractor & supplier·Head office Colchester

About from company website

Geosynthetic Technology Limited (GT) is a specialist contractor focused on the provision and installation of high-performance Geomembranes for the containment of liquids, solids, and gases. With over 40 years of experience in plastic liner knowledge and lining system installation, the company has established an unrivalled reputation as a market leader, undertaking contracts in more than 35 countries across five continents. They are recognised as the leading HDPE liner and LLDPE Geomembrane supplier, installer, and welding contractor, offering comprehensive technical support, including site visits, technical drawings, risk assessments, and method statements.

Founded over 30 years ago by John Alexander, a pioneer in welded plastic linings, the company has a rich history in developing Geomembrane usage within the Landfill Sector and Water Engineering Industries. John Alexander, with previous experience as Managing Director of Airborne Industries Ltd, has been instrumental in leading Geomembrane installations globally. His son, Duncan Alexander, now Managing Director, joined the company in 1990, developing sales and marketing and solidifying Geosynthetic Technology Ltd's position as a market leader.

The company prides itself on its quality assurance, with all site work complying with ISO 9001 Quality Assured Operational Procedures. Impermeable lining systems installed by GT benefit from a long-term warranty of a minimum of 20 years. They are committed to total quality management, with a strong customer focus and a continually improving process approach, verified by an independent third party.

Their site staff are CSCS card holders, first aid certified, and supervisors hold SSSTS certificates, ensuring a high standard of health and safety on all projects.

Services

Works as

Sectors

Project experience from company website

World's largest lagoon liner

Kazakhstan

Installation of the world's largest lagoon liner.

World's largest landfill

Saudia Arabia

Installation of the world's largest landfill liner.

Europe's largest lined lake

Wakefield, UK

Installation of Europe's largest lined lake.

Smaller lake and pond projects

Lining installation projects for golf clubs, farms, and private homes.

Accreditations from company website

  • ISO 9001
  • Constructionline
  • British Geomembrane Association
  • Essex Chambers of Commerce

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Questions about Geosynthetic Technology Ltd from the record on this page

What does Geosynthetic Technology Ltd do?

Geosynthetic Technology Limited (GT) is a Specialist Contractor in the provision and installation of high-performance Geomembranes for containment. Market leaders with over 40 years' experience. Their listed services include Waterproofing, Civil engineering and Marine & water engineering.

Where is Geosynthetic Technology Ltd based?

Geosynthetic Technology Ltd is registered at Nags Corner Wiston Road, Nayland, Colchester, CO6 4LT, in East of England.

What areas does Geosynthetic Technology Ltd cover?

Geosynthetic Technology Ltd states that it works across Nationwide.

How many people work at Geosynthetic Technology Ltd?

Accounts filed for the year to 2025 report 16 employees, which places the company in the 10-49 employees band.

What is Geosynthetic Technology Ltd's turnover?

Geosynthetic Technology Ltd does not disclose turnover: UK small-company accounts are not required to. Based on headcount and trade debtors in its filed accounts, turnover is likely to fall between £920k and £2.5m. This is an estimate, not a filed figure.

Is Geosynthetic Technology Ltd still trading?

Companies House lists Geosynthetic Technology Ltd as active, with accounts most recently made up to 2025-06-30.

What accreditations does Geosynthetic Technology Ltd hold?

Geosynthetic Technology Ltd displays ISO 9001, Constructionline, British Geomembrane Association and Essex Chambers of Commerce on its website.

What sectors does Geosynthetic Technology Ltd work in?

Geosynthetic Technology Ltd works in Industrial, Infrastructure, Energy and Agricultural.

When was Geosynthetic Technology Ltd established?

Geosynthetic Technology Ltd was incorporated on 1990-07-17.

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