Commercial construction companies in London

8518 companies across London working in the commercial sector.

• O Octagon Shopfitting & Building Services London · Shopfitting · 1-9 employees

  Octagon Ltd offers shopfitting, bespoke joinery, and fire door services in London and nationwide. Part of The Octagon Group of Companies.

• O OD CREATE London · Fit-out & interiors · 10-49 employees

  Award-winning office fit-out company delivering both turnkey design and build projects and traditional fit-out contracts.

• O ODC Glass London · Glazing · 50-249 employees

  ODC Glass specialises in high-quality aluminium bifold and sliding glass doors, windows, roof lights and glazing systems for residential and commercia

• O Odg Construction Ltd Petts Wood · Groundworks · 1-9 employees

  ODG Construction is a UK-based construction company specializing in groundworks, formwork, reinforcement, and concrete finishing for domestic and comm

• O ODM Services Gravesend · Heating & ventilation · 10-49 employees

  Award winning company delivering commercial heating, plumbing and mechanical projects across London and the South East.

• O Ofegge Ltd Sutton · Drylining · 1-9 employees

  Ofegge Limited is a premier design agency specializing in luxury architecture, interior design, and lifestyle-led spaces tailored to your unique aspir

• O OG Design & Build Ltd Kingston Upon Thames · Design & build

  OG Design & Build Ltd offers professional and experienced building services in Kingston upon Thames, handling all aspects of building projects. Expand

• O Ogb Projects Ltd London · Refurbishment

  OGB Projects offers expert refurbishment services for residential and commercial properties in London, specializing in high-end bathroom fitting and m

• O Oggeretti Ltd London · Loft conversions · 1-9 employees

  South London construction company recognised for fostering innovation and embracing emerging technologies. Undertakes small to large complex residenti

• O Ogival Ltd London · Refurbishment

  Ogival offers professional property modifications and alterations, including refurbishments, basements, extensions, and loft conversions. With a desig

• O Ogs Floor Screeding Ltd Feltham · Concrete works · 1-9 employees

  OGS Floor Screeding are specialists in floor screeding services, offering traditional, fast-drying, free-flowing, and underfloor heating screeds for d

• O Ohmatic Electrical Ltd Mitcham · Electrical

  Ohmatic Electrical Ltd is a registered NICEIC approved electrical contractor and part P domestic installer. We offer a wide range of electrical servic

• O Ohmnium Electricians Barnet · Electrical

  Qualified Enfield electricians for rewiring, inspections, fault finding & consumer unit upgrades across London, Herts & Essex.

• O OHOB Morden · Groundworks

  O'Halloran & O'Brien (OHOB) is a respected UK construction group with over 50 years of experience, delivering complex, multi-disciplinary projects acr

• O Old School Roofing Ltd London · Roofing

  Old School Roofing Ltd offers authentic, reliable roofing services with over 25 years of experience. Specialising in new roofs, repairs, and flat roof

• O Oldfield Construction (London) Ltd Ruislip · Main contractor · 1-9 employees

  Oldfield Construction Limited offers home improvements in Ruislip. Qualified builders with 51+ years of experience, delivering durability and reliabil

• O Olive Plumbing & Heating Services Borehamwood · Plumbing

  Trusted plumbers in Borehamwood with 30+ years of experience. Olive Plumbing & Heating Services offers expert solutions for homes and businesses.

• O Oliver Connell And Son Ltd South Greenford · Concrete works · 50-249 employees

  Oliver Connell & Son Ltd are an experienced reinforced concrete frame company with the ability to integrate groundwork and associated works in one pac

• O Oliver Talbot Joinery Ltd London · Carpentry & joinery

  Oliver Talbot - Bespoke Kitchens & Joinery Specialist. Handcrafted in North-West London, creating inspiring living spaces tailored to lifestyles with

• O Olix Decorating Ltd Barking · Painting & decorating · 1-9 employees

  Olix Decorating in Barking offers expert painting and decorating services across London and Essex. High quality at affordable prices for interiors or

• O Ols T Construction Ltd London · Drylining · 1-9 employees

  OLS T Construction offers professional construction services with hands-on expertise in London, specializing in high-quality finishing trades and refu

• O Omega + Group Ltd London · Main contractor · 1-9 employees

  Omega Group is a leading construction and MEP contractor based in West London, delivering high-value projects across residential, commercial, and mixe

• O Omega Facade Ltd London · Cladding · 1-9 employees

  Omega Facade Ltd offers top-notch construction services in London and Greater London, specialising in facades, cladding, and brick slips. Established

• O Omega Facades U.K Ltd London · Cladding

  Omega Façades is a specialist in the design, supply and installation of complete façade systems across the UK, including cladding, curtain walling, an

• O OMEGA FIX London · Air conditioning

  Omega Fix provides expert air conditioning repair, installation, and maintenance services along with commercial refrigeration solutions across all 34

• O Omel Group Wembley · Extensions

  Omel Group offers comprehensive construction solutions across London and the South East, specializing in extensions, renovations, general construction

• O Omenatic Ltd Caterham · Scaffolding

  Specialist rope access company providing safe, efficient access to difficult locations where conventional methods are impractical. Serving constructio

• O Omfc Ltd London · Main contractor · 1-9 employees

  OMFC Ltd is a construction company based in London, undertaking a variety of projects across residential and commercial sectors. They focus on deliver

• O Omikon Construction Ltd London · Design & build

  Omikon Construction Limited is a London-based construction company offering quality, reliable, and sustainable services. We combine innovation and exp

• O OMNIA GLAZING LTD London · Glazing

  Omnia Glazing Solutions offers bespoke glazing solutions for residential and commercial projects, specializing in Crittall, Cortizo, and Smart Systems

• O Omnicam Cctv Services Ltd Hounslow · Electrical

  OMNICAM CCTV SERVICES LIMITED is a trusted provider of advanced electrical and security installation services across the UK. We deliver solutions desi

• O Omniscience Care Ltd London · Main contractor · 10-49 employees

  Omniscience Care is a specialist partner in complex built-environment projects, aligning design, safety, and commercial outcomes for resilient, high-p

• O On Demand Plumbing & Heating Ltd Watford · Plumbing

  24/7 plumbing, heating & boiler specialists across Hertfordshire and all London boroughs. Transparent pricing, certified engineers.

• O On Point Building & Joinery London · Main contractor · 1-9 employees

  On Point Building & Joinery Ltd offers expert building and joinery services in Blackpool and the North West. Quality craftsmanship for every project,

• O On Time Builders Ltd London · Refurbishment · 1-9 employees

  Ontime Builders Ltd specialises in high-end full refurbishment, renovation, bathrooms, kitchens, painting, decorating, plumbing, electrical repairs, e

• O One Bloomsbury Ltd London · Extensions

  One Bloomsbury is a London-based construction and building company offering bespoke design, construction, and maintenance services for residential and

• O ONE CALL HVAC LTD London · Heating & ventilation

  Trusted local HVAC installation, repair, and maintenance services across all 32 London boroughs. Licensed, insured engineers with upfront pricing and

• O One Stop Property London · Refurbishment · 1-9 employees

  London's All-in-One Property Services: Management, Renovations, and Much More. We offer turnkey delivery, eco-friendly solutions, and high-end finishe

• O ONE31 ENERGY LTD London · Solar PV

  ONE31 ENERGY LTD is a renewable energy company focused on reducing costs, cutting carbon, and building a sustainable future through innovative energy

• O Onit Building Services Ltd Northwood · Plumbing

  ONit Building Services offers emergency plumbers and electrical installation services in Northwood, Buckinghamshire. Reliable, efficient, and certifie

• O Online Flooring Contracts Ltd London · Flooring

  Online Flooring is a Commercial Flooring Contractor offering quality flooring installation and maintenance services throughout London, Kent and South

• O Onsite Developments Design & Construction Ltd Wallington · Design & build · 1-9 employees

  Onsite Developments Design & Construction Ltd is a fast-growing construction, design and development business with 25 years of experience. We undertak

• O Ontime Electrical Romford · Electrical

  Ontime Electrical: Your trusted partner for professional electrical services in Romford. Delivering safe, reliable, and efficient electrical solutions

• O OnTime Plumbers Hainault · Plumbing

  OnTime Plumbers is a trusted London-based plumbing company offering 24/7 emergency services. Established in 2012, we provide fast, reliable, and affor

• O Onvila Ltd Ilford · Security systems

  Onvila Ltd provides expert security services, K9 support, commercial cleaning, end-of-tenancy, deep cleaning, and post-construction cleaning in Ilford

• O Onyx Fire Ltd London · Fire protection

  Onyx Fire Ltd provides passive fire protection services across Milton Keynes, Buckinghamshire, the Midlands and London. Trusted fire protection contra

• O OPAL PROPERTY MAINTENANCE LTD Rainham · Electrical

  Opal Property Maintenance offers multi-trade property maintenance services in London for agents, landlords, and property owners, covering electrical,

• O Opek Home Ltd. London · Refurbishment · 1-9 employees

  London based Architecture, Construction & Supply company specialising in Conversions, Extensions and New Builds for Private and Commercial sectors.

• O Openview Security Solutions Ltd Essex · Electrical · 250+ employees

  Preqin is a leading provider of data, insights, and analytics for the alternative assets industry, empowering professionals to make informed investmen

• O Opta Service Ltd Croydon · Fit-out & interiors · 1-9 employees

  Opta Service is a London-based facilities management company specialising in construction, maintenance, and office relocations for commercial clients.