
Retail Company, Sleaford Case Study
Commercial, Projects
Dortech Maintenance Ltd · Company 07551376 · Trading heritage since 30
Active, accounts up to date·subcontractor·Head office Leeds
Dortech Maintenance Ltd is a specialist in building facade, glazing, window, and door maintenance, with over 30 years of experience in the industry. They support commercial clients, building owners, facilities managers, and contractors across the UK with expert glass replacement, leak investigations, aluminium window and door maintenance, facade repairs, and survey services. The company prides itself on its practical approach, surveying, diagnosing, repairing, and maintaining building envelope systems to ensure safety, performance, and appearance.
With a strong focus on commercial glazing maintenance, Dortech has delivered high-quality, cost-effective projects for over a quarter of a century across sectors including retail, residential, healthcare, and education. They are trusted by leading construction contractors and are highly experienced with major aluminium systems such as Schuco, Technal, and Sapa. Their services extend to curtain wall and facade repairs, addressing issues like water ingress, failed seals, and broken components to restore building integrity with minimal disruption.

Commercial, Projects

Commercial, Projects

Leeds
Commercial, Projects

Commercial, Projects
Schuco, Technal, Sapa, Wicona, SAS, Comar, Kawneer.
This profile was compiled from public records. Claim it to add the things buyers ask for:
Specialist building facade, glazing, window and door maintenance. Experts in glass replacement, leak investigations, aluminium window and door maintenance, facade repairs and survey services. Their listed services include Cladding, Glazing, Curtain walling, Windows & doors and Refurbishment.
Dortech Maintenance is registered at 56 3rd Floor, 56 Wellington Street, Leeds, LS1 2EE, in Yorkshire.
Dortech Maintenance states that it works across Nationwide.
Accounts filed for the year to 2025 report 14 employees, which places the company in the 10-49 employees band.
Dortech Maintenance does not disclose turnover: UK small-company accounts are not required to. Based on creditors in its filed accounts, turnover is likely to fall between £1.1m and £4.5m. This is an estimate, not a filed figure.
Companies House lists Dortech Maintenance as active, with accounts most recently made up to 2025-09-30.
Dortech Maintenance works in Commercial, Education, Public, Healthcare, Retail and Residential.
Dortech Maintenance was incorporated on 2011-03-03, though the company says it has traded since 30.
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