
Refurbishment Petersfield Museum
AD Mechanical are the Mechanical engineering services contractor for the refurbishment at Petersfield Museum
A.D. Mechanical Services Ltd · Company 04128697 · Trading heritage since 2000
Active, accounts up to date·subcontractor·Head office Portsmouth
AD Mechanical Services Ltd was incorporated in December 2000 and provides a range of bespoke mechanical services to industrial and commercial clients. The company is committed to delivering high-quality, cost-effective technical solutions, covering an 80-mile radius from its Portsmouth office. They handle projects ranging from small planned maintenance works to large design and build infrastructure upgrades, including mechanical design and installations for residential new builds (up to 600 units per annum), AHU plant installations, new build plant rooms, chiller installations, boiler replacements, and mechanical installations for office refurbishments.
They also undertake specialist health installations and have experience working with specialist mechanical frameworks. The company prides itself on professionalism and quality, fostering long-lasting relationships with clients through an approachable and excellent service. Their team of engineers is carefully selected based on experience, and Contracts Managers ensure high standards are met, acting as the main point of contact for clients.
Projects are reviewed regularly in management meetings to document updates and ensure client satisfaction.

AD Mechanical are the Mechanical engineering services contractor for the refurbishment at Petersfield Museum

Hove beach
We are delighted to be involved working in this grade II listed building with fantastic views of Hove beach.

AD Mechanical were responsible for the Mechanical design and construction of new mechanical systems to floors 1,2,3 & 5

We are in the process of finalising the mechanical design works for a project at Franklin House.
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AD Mechanical provide bespoke & competitive mechanical services to industrial and commercial clients across the South of England since 2000. Their listed services include Heating & ventilation and M&E contracting.
A.D. Mechanical Services Ltd is registered at 8-10 Portsmouth Road Cosham, Portsmouth, PO6 2AE, in South East.
A.D. Mechanical Services Ltd states that it works across South Of England.
Accounts filed for the year to 2026 report 40 employees, which places the company in the 10-49 employees band.
A.D. Mechanical Services 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 £3.1m and £8.3m. This is an estimate, not a filed figure.
Companies House lists A.D. Mechanical Services Ltd as active, with accounts most recently made up to 2026-02-28.
A.D. Mechanical Services Ltd works in Residential, Commercial, Industrial, Healthcare, Education and Retail.
A.D. Mechanical Services Ltd was incorporated on 2000-12-20.
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