Design & build contractors working in energy

591 UK design & build contractors working in the energy sector.

• S Swan Environmental Services Normanton · Civil engineering · 1-9 employees

  Swan Environmental Services is a multidisciplinary company established in 2007, offering a wide range of environmental, waste management, civil engine

• S Sweco UK Holding Ltd Leeds · Civil engineering · 250+ employees

  Sweco UK is a leader in design, engineering and environmental consultancy, delivering integrated solutions across buildings, transport, water, energy,

• S Sweet Project Construction Ltd London · Design & build · 50-249 employees

  Sweet Projects is a single-source turnkey construction company that designs and constructs data centres and built environments for the defence and ene

• S Swiftline Engineering Ltd London · M&E contracting · 10-49 employees

  Swiftline Engineering provides smart, cost-effective mechanical and electrical engineering solutions, focusing on design, installation, and maintenanc

• S Switch On Ltd Dudley · Electrical · 10-49 employees

  Switch On Ltd delivers expert electrical engineering for solar, BESS and ICP projects across the UK. Trusted, accredited and compliant.

• S SY Ecofit Sheffield · Refurbishment · 1-9 employees

  SY Ecofit is a social enterprise focused on decarbonising South Yorkshire through home and community building retrofit projects, building community we

• S Symbiona UK Ltd. London · Design & build · 1-9 employees

  Symbiona is a provider of wastewater treatment technology, water recycling, and organic waste fermentation. They offer solutions for biogas and bioene

• S Synth Solar London · Solar PV · 1-9 employees

  Synth Solar designs, installs and monitors commercial solar and battery systems across the UK. MCS certified, real-time monitoring, award-winning serv

• T T.S.L. Contractors Ltd. Isle Of Mull · Civil engineering · 50-249 employees

  TSL Contractors: leading West of Scotland construction & civil engineering experts with 45+ years experience. Delivering diverse projects across the U

• T Task Contract Solutions Ltd Buscough · Main contractor · 10-49 employees

  Task Contract Solutions Ltd delivers innovative construction and renewable energy solutions, focusing on sustainability, decarbonisation, and energy-e

• T Task Energy Ltd Manchester · Heating & ventilation

  Partner with TaskEnergy for safe, efficient and future-ready homes. We provide heating, maintenance and full decarbonisation solutions across the UK.

• T Team Montage UK Ltd Widnes · Steel fabrication · 10-49 employees

  TEAM MONTAGE UK LTD is a construction company founded in 2009, specializing in the production and assembly of metal structures for civil and industria

• T Techfinity London Ltd London · Security systems

  Practical managed IT support, cyber security, cloud, backup and infrastructure services for London businesses.

• T Techmanoncall Cambridge · Electrical

  Need technical services? Techmanoncall connects technicians to customers requiring services

• T TECHNE CONSTRUCTION LTD Radstock · Main contractor

  Combining sustainability with traditional and new technologies to bring your dreams to life. We specialise in energy-efficient developments tailored t

• T Technical Earthing Services Ltd Motherwell · Electrical · 10-49 employees

  Technical Earthing Services provides expert electrical design consultancy and contracting services, specializing in earthing and lightning protection

• T Tek 3 Engineering Services Ltd Stratford-Upon-Avon · Civil engineering · 1-9 employees

  Tek 3 delivers integrated infrastructure solutions for the UK's utilities sector, combining civil engineering and MEICA expertise for safe, efficient,

• T Tekmann Global London · Design & build

  Bespoke turnkey solutions in renewable energy, industrial manufacturing, and ecological innovation. From conception to completion.

• T Texo Engineering Ltd Westhill · Main contractor · 1-9 employees

  TEXO delivers expert engineering, inspection, and modular solutions across energy, renewables, construction, and marine sectors. Offering turnkey solu

• T TG QC Consultancy Ltd London · Main contractor · 1-9 employees

  TG QC Consultancy Ltd offers expert quality control services for construction projects across London and the UK. Material testing, on-site inspections

• T TG TELECOMS & UTILITIES LTD Liverpool · Utilities

  TG Telecoms & Utilities is a strategic partner for building the UK PIA network, offering turnkey solutions including surveys, cabling, splicing, testi

• T ThamesWey Group London · Property developer

  ThamesWey Group is an independent company delivering sustainable housing, energy and development projects across Woking and Surrey. Founded in 1999, w

• T The Abseilers Ltd Havant · Scaffolding · 1-9 employees

  The Abseilers provide training and equipment for work and rescue in vertical, steep and difficult to access environments. Operations division work on

• T The Bright Future Group Witney · Electrical · 10-49 employees

  BF-LED Ltd and Bright Future Solar Ltd trade as The Bright Future Group, specialising in LED lighting, smart controls, Solar PV, Heat Pumps, and EV Ch

• T The Situ Group Ltd Tamworth · Main contractor

  The SITU Group is a collection of construction companies delivering full turn-key solutions or operating independently. Services include Construction,

• T Therma-Mech Developments Ltd Bristol · Design & build · 10-49 employees

  District energy specialists providing turnkey solutions with unrivalled expertise in the design and installation of district heating networks. Maximis

• T Thompson Contracts (Blackpool) Ltd Blackpool · Shopfitting · 50-249 employees

  Thompsons provides high-quality shopfitting, design & build contracting, bespoke joinery & solar installations for businesses across the UK.

• T Three System Solutions (Rail) Ltd Mansfield · Design & build

  Three System Solutions provides Design, Fabrication and Installation services, specialising in the 'Energy from Waste' industry for over two decades.

• T THREON ENERGY SYSTEMS LTD London · Main contractor

  THREON orchestrates sovereign-scale energy and infrastructure systems by aligning institutions, capital, and delivery into unified execution pathways.

• T Tide Solutions Ltd Worthing · Bricklaying · 1-9 employees

  Tide Solutions Ltd offers specialist building services including drone surveying, brick repointing, wall tie replacement, and through-colour rendering

• T Times Group Leigh · M&E contracting

  Times Group offers comprehensive building solutions, focusing on solving client challenges in compliance, energy costs, and operational uptime. We pro

• T Tlinx Ltd Thornton Heath · Carpentry & joinery · 1-9 employees

  TLINX LIMITED is a UK-based company providing skilled and general labour to construction projects. We connect companies with the right talent for thei

• T Tollgate Engineering Services Ltd Bridgend · Electrical · 10-49 employees

  Electrical and Mechanical Engineers, Building Services Contractors. Offering comprehensive M&E design, installation, and maintenance across commercial

• T Topbond PLC Sittingbourne · Civil engineering · 50-249 employees

  Topbond PLC: specialist services in construction and marine industries including refurbishment of bridges and structures, marine services, footbridge

• T Total Care And Support Ltd Burnley · Utilities · 10-49 employees

  Total Care Support are industry leaders in the design, build, and maintenance of alternative broadband networks, specialising in turnkey solutions for

• T Totally Local Company Ltd Stockport · Civil engineering · 250+ employees

  Totally Local Company offers comprehensive facilities management services, including catering, cleaning, greenspace management, waste management, civi

• T Trailblaze Labs London · Design & build · 1-9 employees

  Top-rated specialists in custom AI agents, LLM development, and enterprise AI solutions. Serving clients in the US, UK, and globally.

• T TRENERG HOLDING Plymouth · Property developer

  TRENERG HOLDING is a diversified company involved in real estate development, general construction, technology innovation, and commodity trading, with

• T TriEnergi Power Solutions Royston · Utilities

  TriEnergi Power Solutions: ICP delivering LV/HV grid connections, civils infrastructure & EV charging installs, from design to maintenance.

• T Trl Group Ltd Stockton On Tees · Steel fabrication · 1-9 employees

  TRL Group offers site installation, design, fabrication, accredited training, and consultancy services in the UK and overseas, with over 30 years of e

• T Tulway Engineering Ltd Liverpool · M&E contracting · 1-9 employees

  Tulway is a multi-disciplined mechanical engineering group offering advice and support on all aspects of engineering design, fabrication, installation

• U Ui Social Infrastructure Ltd Warrington · Civil engineering · 50-249 employees

  United Infrastructure delivers energy, power, water, telecoms and social infrastructure projects across the UK, creating a connected, sustainable futu

• U Ui Social Infrastructure Ltd Warrington · Civil engineering · 50-249 employees

  United Infrastructure delivers energy, power, water, telecoms and social infrastructure projects across the UK, creating a connected, sustainable futu

• U UK Grid Connections Farnham · Design & build · 1-9 employees

  UK Grid Connections Ltd is a NERS accredited company specialising in high voltage substation and cable construction and installation. They offer desig

• U UK Power Connections Ltd St. Albans · Utilities

  NERS-accredited Independent Connection Provider delivering new electrical connections, substation build, contestable works and EV infrastructure acros

• U Ukda Facilities Services Ltd Dudley · Cladding · 1-9 employees

  UKDA provides nationwide facilities services including building maintenance, facade cleaning, rope access, cradle inspections, height safety systems a

• U Unicorn Leap Ltd Bolton · Design & build

  Full-service digital agency: web, UX, e-commerce, branding, AI chatbots and voice, SEO, social, paid ads, email, digital PR, copywriting, automation,

• U Uniflare Group Kenilworth · Design & build

  Uniflare Group Limited design and manufacture gas treatment systems, conditioning gas to meet utilisation specifications for CHP engines, boilers, or

• U Unity Power Ltd Swansea · Electrical · 1-9 employees

  Unity Power Ltd is a UK high voltage engineering specialist delivering safe, compliant HV design, installation, testing, commissioning, operations and

• U Universal Safety Systems Cradley Heath · Scaffolding · 10-49 employees

  Universal Safety Systems specialises in designing, installing, and maintaining advanced fall protection and height safety systems across the UK, ensur