Gsi Contract Services Ltd · Company 05468012 · Trading heritage since 1991
Active, accounts up to date·subcontractor·Head office Amersham
With over 30 years of experience, GSI Contract Services specialises in passive fire protection, ensuring the quality of service is paramount. They operate a quality management system designed to meet clients' specific requirements, codes of practice, and current British standards through rigorous checking, testing, and inspection. GSI offers a range of services including fire boarding to structural steelwork, soffit protection for fire resistance and thermal insulation, intumescent paint application for up to 120 minutes of fire protection to structural steelwork, and fire stopping to seal voids and prevent the spread of fire and smoke.
They also provide passive fire protection surveys and air sealing solutions to meet new Building Regulations Document L. The company prides itself on its first-class service from initial consultation to completion, maintaining a cost-effective ethos and professional working relationship. As members of leading UK construction company supply chains, GSI has completed works throughout the UK and benefits from increasing repeat contracts due to their reputation for quality and compliance, coupled with in-house technical ability.
GSI provided intumescent fire protection to the structural steel, and fire stopping works for the Shell & Core and CAT A works. The works were carried out to a very high quality and on time against a challenging delivery programme.
Client · Unibail Rodamco Westfield Project (mentioned in testimonial)
GSI provided intumescent fire protection to the structural steel, and fire stopping works for the Shell & Core and CAT A works. The works were carried out to a very high quality and on time against a challenging delivery programme.
Client · Unibail Rodamco Westfield Project (mentioned in testimonial)
Milton Keynes
GSI provided passive fire protection, intumescent coatings to steel work and specialist fire rated boarding to plant rooms. The project faced unique challenges, and GSI provided solutions within budget and timeframes. The passive fire protection was on display, requiring a high standard of finish.
Client · John Sisk (mentioned in testimonial)
GSI provided fire protection services. The client commended their excellent workmanship, problem-solving abilities, and efficient system for recording works.
Client · Multiplex Global (mentioned in testimonial)
GSI successfully completed intumescent fire protection to the structural steel, and fire stopping works for the Shell & Core and CAT A works. The works were carried out to a very high quality and on time against a challenging delivery programme.
Client · Unibail Rodamco Westfield Project (mentioned in testimonial)
Ardmore, Balfour, Crest, Galliford Try, John Sisk, Kier, McLaren, MS, Multiplex, Wates, Willmott Dixon, Collins and 2 others.
This profile was compiled from public records. Claim it to add the things buyers ask for:
GSI Contract Services in Buckinghamshire UK, for passive fire protection, intumescent paint, fire & acoustic sealing, fire stopping fire & smoke curtains Their listed services include Fire protection.
Gsi Contract Services Ltd is registered at A9 Bell Lane Office Village, Bell Lane Little Chalfont, Amersham, HP6 6GL, in South East.
Gsi Contract Services Ltd states that it works across Nationwide.
Accounts filed for the year to 2023 report 16 employees, which places the company in the 10-49 employees band.
Gsi Contract Services Ltd does not disclose turnover: UK small-company accounts are not required to. Based on trade debtors in its filed accounts, turnover is likely to fall between £2.4m and £6.5m. This is an estimate, not a filed figure.
Companies House lists Gsi Contract Services Ltd as active, with accounts most recently made up to 2025-09-30.
Gsi Contract Services Ltd displays Acclaim, ASFP, Building confidence, CHAS, Constructionline and CQMS on its website.
Gsi Contract Services Ltd works in Commercial, Healthcare and Residential.
Gsi Contract Services Ltd was incorporated on 2005-06-01, though the company says it has traded since 1991.
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