Construction companies in London

12659 construction companies across London.

• N Newable London · Property developer

  Newable helps SMEs thrive with financial products, advice, and flexible workspace solutions. Founded in 1982, now employee-owned.

• N NewArc Compliance Services Limited London · Electrical · 1-9 employees

  NewArc Compliance Services Limited offers professional electrical services including downlight installation, socket upgrades, and consumer unit replac

• N Newbridge Homes Ltd London · Design & build

  Newbridge Homes offers turn-key residential construction services. Trust us to manage your project efficiently. Contact us today!

• N Newform London · Design & build

  Newform is a design-led construction company specialising in Interior Design, Refurbishments, Extensions & Loft Conversions covering North and East Lo

• N Newform London Ltd Greenford · Refurbishment · 1-9 employees

  High-end residential construction and refurbishment in London. Established 2006. We build and refurbish exceptional homes.

• N Newland Construction Ltd Potters Bar · Main contractor · 10-49 employees

  Newland Construction, established in 1925, offers new build, design and build, planned maintenance, and major refurbishment services within a 25-mile

• N Newland Home Improvements Ltd London · Windows & doors

  Newland Home Improvements Ltd provides premium windows, doors, and conservatories across London with expert design and installation.

• N Newlands Construction Ltd Bookham · Groundworks · 10-49 employees

  Newlands Construction Ltd is a groundworks and civil engineering contractor based in Surrey, serving London and the South East. Established in 1986, t

• N Newlifts Ltd London · Lifts & escalators

  NEWLIFTS LTD offers lift maintenance, repair, and modernisation services, including GSM unit installations for digital voice transitions. Experienced

• N Newlon Housing Trust London · House builder

  Newlon Housing Trust is a charitable housing association managing around 8,500 affordable homes in north and east London, with many more in developmen

• N Newman and Green London · Fit-out & interiors

  Newman + Green are a commercial principle contractor, specialising in workplace environments. They are solution and process driven, utilising technolo

• N Newmay Electrical Services Ltd London · Electrical · 10-49 employees

  Newmay Electrical Services Ltd, established in 2007, provides professional and efficient electrical services throughout London for domestic and commer

• N Newship Group Weybridge · Main contractor · 1-9 employees

  Newship Group is a private family owned group of manufacturing, distribution and hire businesses operating across Europe with nearly 50 years of exper

• N NexaGrid London · Utilities

  NexaGrid is your trusted partner in grid connection and renewable energy solutions. We help developers, asset owners and operators navigate the comple

• N Nexerox Ltd London · Fire protection

  Professional fire safety services to keep your business compliant. Fire risk assessments, alarms, extinguishers, and inspections by Nexerox.

• N NEXGEN HVAC London · Heating & ventilation

  Nexgen HVAC are experts in Air Source Heat Pump and Air Conditioning installations in London. They offer eco-friendly heating and cooling solutions fo

• N Nexora Systems Ltd United Kingdom · Main contractor

  Nexora Systems LTD: Professional automotive software development, bug fixing, and integration services. Specializing in CarPlay, Android Auto, navigat

• N Nexstructure Ltd London · House builder

  NexStructure Ltd is your partner in quality home building services, specializing in construction from foundations to finishing with a commitment to ex

• N Next Door Construction Ltd London · Extensions

  Next Door Construction Ltd specialises in luxury home transformations including extensions, loft conversions, and kitchen/bathroom refurbishments acro

• N Next Gen Alliance UK London · Solar PV

  Next Gen Alliance UK is a project onboarding platform connecting clients and suppliers to unlock strategic alliances and market expansion opportunitie

• N NEXT LEVEL BOILER SOLUTIONS LTD Hoddesdon · Heating & ventilation

  Next Level Boilers offers reliable and affordable boiler replacement solutions in Hertfordshire, Essex, and London. Specialising in heating systems, t

• N NEXT LEVEL CONSTRUCTION LTD Northolt · Loft conversions · 1-9 employees

  Next Level Construction Ltd is a London-based residential construction company delivering building and renovation projects of all sizes, backed by 15+

• N Next Level Upgrades Ltd London · Electrical

  Expert electrical solutions for HMOs, property investors & homeowners in Greater Manchester, Cheshire & Merseyside. Reliable & certified electrical wo

• N Next Lvl Eu Ltd London · Design & build

  Next LVL EU Limited is a holding company driving transformation across European markets. We integrate exhibitions, construction, events, and sales & m

• N Next Phase Services Ltd London · Electrical

  Next Phase Services LTD offers expert electrical installations, energy assessments, and efficiency upgrades across London. Book a consultation today f

• N Next Renewable Generation Ltd London · Property developer

  Next Renewable Generation Ltd is a property developer company based in London, registered at Companies House in 2025.

• N Next Step Clearance Ltd East Molesey · Site clearance

  Next Step Clearance Ltd is a new company focused on site clearance services. We aim to provide efficient and reliable solutions for various clearance

• N Next Step Heating London · Heating & ventilation

  Next Step Heating is a London-based installer of heating and renewable energy systems, offering design, supply, installation, and MCS commissioning se

• N Next-Gen Energy Se Ltd London · Electrical

  NEXT-GEN ENERGY SE LTD is a company that appears to be unavailable.

• N NEXT-GEN PLANT LTD London · Security systems

  Aftermarket specialists in GPS, tiltrotators and safety systems including height & slew limiters and AI cameras. Manufacturer-trained engineers provid

• N Nextherm Ltd London · Heating & ventilation

  Specialist heating, plumbing and building services across North London, focused on installation, servicing, diagnostics and repair within modern resid

• N Nexumreal Ltd London · Property developer · 1-9 employees

  NexumReal offers real estate investment and development consulting, including transactions advisory, development management, and asset management acro

• N Nexus F&I Construction Ltd London · Steel fabrication

  London's leading specialist construction company. Expert SFS, brick slips, timber cladding, SAS metal ceilings, acoustic panels, fire stopping & roofi

• N Nexus Group Ltd Sutton · Plumbing

  Elite engineers for servicing, installation and maintenance of plumbing, electrical, heating & gas, and HVAC and other services. Call now.

• N Nexus Lofts & Extensions Ltd London · Loft conversions

  Ealing builders specialising in loft conversions and house extensions across West London. Refurbishments and roofing too, with a 10-year workmanship w

• N Nexus Modular London · Modular & offsite construction

  Nexus Modular provides bespoke light gauge steel (LGS) framing solutions, specialising in unique designs and utilising 3D BIM technology for precision

• N Nexus Secure Ltd London · Security systems

  Nexus Secure provides expert CCTV installation in London, security cameras, alarm systems and WiFi installation for homes and businesses. Reliable, pr

• N Nexus UK Group Ltd London · Main contractor

  NEXUS UK GROUP LTD is a company registered in the UK. Their website is nexusukgroup.co.uk.

• N NFA Architectural Consultants London · Loft conversions

  Professional architects in London offering loft conversions, house extensions & planning permission services. Leading loft conversion specialists and

• N Ng Tunnelling Ltd Mitcham · Drainage · 1-9 employees

  NG Tunnelling are specialists in sewer connections, offering a one-stop-shop for drainage works in London & Surrey, covering South East England.

• N Ng2 Heating Ltd London · Heating & ventilation

  NG2 Heating Ltd is a London-based company specializing in heating and plumbing services. We offer a range of solutions for domestic and commercial cli

• N NGE CONTRACTING LIMITED London · Civil engineering · 10-49 employees

  NGE, nouvelles générations d'entrepreneurs dans le BTP, construit et rénove les infrastructures au service des territoires et des communautés.

• N Nhoa UK Ltd London · Solar PV

  NHOA Energy designs, delivers, and services Battery Energy Storage Systems (BESS) for utility-scale and industrial applications worldwide, based on pr

• N NIALL SHAW LTD London · Landscaping

  Niall Shaw Ltd is a professional landscaping and construction company in the North West, transforming outdoor spaces into beautiful, functional, and l

• N Niaudo Services Ltd London · Main contractor

  With over 30 years' experience, Niaudo Services Ltd delivers quality construction management, cleaning, refurbishments, and new builds tailored to you

• N Nib Air Services Ltd Watford · Air conditioning · 1-9 employees

  Professional air conditioning and ventilation services in London and Watford. Installation, repair, maintenance and MVHR systems delivered by trusted

• N Nice Glass London · Windows & doors

  A wide selection of windows, doors and skylights. We advise you on your choice, offer proven products and a professional approach based on 20 years of

• N Nice One Building Services Ltd Hounslow · Design & build

  Design and construction specialists offering comprehensive building solutions across London and surrounding areas. Full project management from concep

• N Niche Projects Ltd London · Design & build · 1-9 employees

  Niche Projects is a London-based office design and build specialist offering office fit out, refurbishment, space planning and furniture supply for co

• N Nicholas Holdings Ltd Enfield · Property developer

  Nicholas Holdings Ltd is a family-owned property development and investment group, with a history dating back to 1947. Principally residential develop