J.J. Sweeney Ltd · Company 03267101 · Trading heritage since 1994
Active, accounts up to date·subcontractor·Head office Romford
Established in 1994, JJ Sweeney has built a strong reputation for delivering joinery and fit-out projects to the highest standards across the construction industry. The company has successfully completed projects in the commercial, residential, health, education, leisure, and heritage sectors, fostering strong relationships with Tier 1 Main Contractors, Clients, and Developers. Founded by John J.
Sweeney, who brought over two decades of industry experience, the company has grown significantly. With his sons Patrick and John Paul now as Directors, JJ Sweeney continues to build on its solid foundations. The experienced management team ensures exceptional workmanship and client satisfaction, with a focus on repeat business through consistently exceeding expectations.
JJ Sweeney offers a comprehensive pre-construction service, including cost and programme advice, mock-ups, and tender submissions. Their in-house design team utilizes BIM and other software to develop practical solutions. The company also boasts a joinery facility producing bespoke modularised WC duct and cubicle wall systems, enhancing quality and reducing on-site durations.
Joinery works throughout, full WC fit out works to all levels complete with all finishes, drylined box walls, sub floors, floor and wall tiling, ceilings, oak slatted cubicle walls, vanity and mirror units, all sanitaryware accessories and fixtures and fittings. Full fit out of the lift lobbies and the end-of-trip amenity areas.
Commercial project.
Commercial project.
Commercial project.
Commercial project.
Commercial project.
Commercial project.
Commercial project.
Public sector project.
Commercial project.
Commercial project.
Restoration and Refurbishment project.
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JJ Sweeney: Established 1994, delivering high-quality joinery and fit-out projects across commercial, residential, health, education, leisure and heritage sectors. Trusted by Tier 1 contractors and developers. Their listed services include Carpentry & joinery, Fit-out & interiors, Tiling, Drylining and Refurbishment.
JJ Sweeney is registered at 3 Conqueror Court, Spilsby Road, Romford, RM3 8SB, in London.
JJ Sweeney states that it works across Nationwide.
Accounts filed for the year to 2025 report 31 employees, which places the company in the 10-49 employees band.
JJ Sweeney reported turnover of £17.5m in accounts filed for the year to 2025.
Companies House lists JJ Sweeney as active, with accounts most recently made up to 2025-08-31.
JJ Sweeney works in Commercial, Residential, Healthcare, Education, Leisure, Retail and Public.
JJ Sweeney was incorporated on 1996-10-22, though the company says it has traded since 1994.
Track budgets, committed costs, invoices and profitability in one place, so cost issues show up before they turn into margin surprises.