
Radnor T1 & T3 Transformer Bund
Construction of weight-bearing plinths and oil-containment bunds for two 33kV transformers, with engineered fill for full transformer-oil retention.
Client · M Group

Mezini Brothers Ltd · Company 08727696 · Trading heritage since 2013
Active, accounts up to date·main contractor & subcontractor·Head office London
Established in 2013, Mezini Brothers Ltd is a family-run civil engineering contractor with over 25 years of construction experience. The company prides itself on its strong work ethic and family values, focusing on reliability, craftsmanship, and safety in every project. They specialize in high-voltage civil works, particularly for substations, transformer compounds, and live grid connections, ensuring all projects are delivered safely and efficiently.
Mezini Brothers is committed to delivering high-quality complex projects safely, efficiently, and within agreed programmes and budgets, while creating lasting value for all stakeholders. Their mission emphasizes safety first and quality always, with a focus on full compliance, banksman-supervised excavation, and substation entry protocols. They aim for shared success, ensuring clients, the workforce, and supply chain partners take pride in both the methodology and the final result.

Construction of weight-bearing plinths and oil-containment bunds for two 33kV transformers, with engineered fill for full transformer-oil retention.
Client · M Group

Peterborough
Reinforced concrete raft foundation for an elevated switchroom, integrated with the existing site earthing system.
Client · UKPN

Cable trenches, foundations, reinforced concrete slab, pad foundations and surrounding walls for a new battery storage facility.
Client · EO Charging

Civil and structural works for new primary transformers. Precast fire-protection walls rated to four hours, full oil containment and reinstatement.
Client · UKPN

Colchester
Installation of FastBase pre-fabricated transformer bases, fast install, low carbon, significantly less concrete than cast-in-situ.
Client · M Group

North Peterborough
200 linear metres of excavations, 500+ metres of ducting, cable pulling and multiple structural bases for Morrison Energy Services.
Client · Morrison Energy Services
UK Power Networks, SSE, M Group, JSM, Tesla, EO Charging, Morrison Energy Services.
This profile was compiled from public records. Claim it to add the things buyers ask for:
Mezini Brothers Ltd: specialist HV civil works (11kV-132kV), reinforced concrete, transformer bunds and ducting for DNOs and Tier 1 contractors across the UK. Family-run, established 2013. Their listed services include Civil engineering, Groundworks, Concrete works, Utilities and Drainage.
Mezini Brothers Ltd is registered at 79 Great Cambridge Road, London, N17 7LN, in London.
Mezini Brothers Ltd states that it works across UK Nationwide.
Accounts filed for the year to 2024 report 3 employees, which places the company in the 1-9 employees band.
Companies House lists Mezini Brothers Ltd as active, with accounts most recently made up to 2024-10-31.
Mezini Brothers Ltd displays CHAS, Avetta® Certified, CPCS Competent Operator, CSCS, NPORS Grundowinch Operator and SMSTS Site Management on its website.
Mezini Brothers Ltd works in Infrastructure and Energy.
Mezini Brothers Ltd was incorporated on 2013-10-10.
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