J J Mac Ltd · Company 04680913 · Trading heritage since 1994
Active, accounts up to date·subcontractor & main contractor·Head office Bourne
JJMac Ltd Ground Stabilisation delivers specialist Ground Stabilisation, Earthworks, Site Remediation and Ground Improvement services, including High Energy Impact Compaction (HEIC) and Rolling Dynamic Compaction (RDC). Founded in 1994, the company prioritises customer needs to ensure safety, quality, and value in construction and infrastructure projects, working diligently to deliver every project on schedule and at the best value for their clients. JJMac directly employs all its staff, prioritising local hiring where possible.
They consistently maintain high standards of safety, quality, and health & wellbeing, ensuring all employees receive necessary training. The company invests in its people, believing this delivers successful, safe projects. JJMac also actively participates in and supports local sport and social organisations.
Testimonials highlight JJMac's hard-working, safety-conscious, and organised team, their professionalism, and ability to complete projects within budget and to tight timetables. They have successfully converted storage areas and bund walls into more useful spaces, demonstrating their capability to deliver pleasing results and maximise site utility.
Kingsbrook Aylesbury Housing Development
Roadway Capping Replacement using Cement Stabilisation of site-won excavated material. In-situ treatment of the material in a 300mm deep layer with 2.0% - 3.0% Cement Addition to achieve 95% Compaction and 15% CBR.
Client · ECL Civil Engineering - Buckinghamshire CC
Devon County Council, HPC Homes Ltd, Delta Caravans International, ECL Civil Engineering - Buckinghamshire CC.
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JJMac Ltd Ground Stabilisation specialises in Ground Stabilisation, Earthworks, Site Remediation and Ground Improvement, including High Energy Impact Compaction (HEIC) and Rolling Dynamic Compaction (RDC). Founded in 1994, they prioritise safety, quality, and value. Their listed services include Groundworks, Site clearance, Civil engineering and Road surfacing.
J J Mac Ltd is registered at J J Mac Ltd, Spalding Road, Bourne, PE10 0AU, in East of England.
J J Mac Ltd states that it works across Nationwide.
Accounts filed for the year to 2025 report 13 employees, which places the company in the 10-49 employees band.
J J Mac 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 £1.5m and £4.0m. This is an estimate, not a filed figure.
Companies House lists J J Mac Ltd as active, with accounts most recently made up to 2025-06-30.
J J Mac Ltd works in Infrastructure, Residential and Commercial.
J J Mac Ltd was incorporated on 2003-02-27, 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.