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Modular Construction Companies in Leeds: 37 Active Firms (2026)
Modular construction companies in Leeds design, manufacture and assemble building systems offsite for projects across the metropolitan area.
Buying centres tend to sit with main contractors, housing providers, estate owners and developers that need packaged building-system capacity rather than trade-by-trade labour. Sellers usually compete through project delivery credentials: factory scheduling, site assembly, specialist contracting cover and the ability to manage handover between workshop and live construction site. The most relevant engagements are regional and project-led, with procurement teams looking for evidence of repeatable components, programme certainty and compliance paperwork before awarding work. This makes the cohort closer to specialist construction services than product manufacturing alone, with small and mid-market operators serving repeat customers across local building programmes.
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Leeds has 37 actively trading modular construction companies in scope, making the local market a fairly compact specialist-contractor base rather than a broad construction-services universe. Reported employment is 527 people, which points to a workforce footprint beyond owner-managed installers but still rooted in operational delivery rather than very large manufacturing estates. The company mix includes a visible mid-market layer, although many participants remain project-led specialists serving regional demand. For researchers, that matters: individual wins, procurement access and manufacturing capacity can move the local picture more than broad construction sentiment alone.
Factory-led construction does not remove the ordinary compliance burden; it shifts part of the evidence trail away from site. Buyers still need assurance around building-control sign-off, fire and structural performance, transport, lifting plans, installer competence and defects liability. Market structure is also tied to contractor risk appetite. Modular suppliers often sit inside wider project teams, so payment terms, retention practice and responsibility for site interfaces can matter as much as the underlying building system. In Leeds, this favours operators that can document process control while working through regional construction procurement habits.
Demand appears likely to remain selective rather than universal. Modular approaches tend to gain traction where repeatable layouts, constrained sites or programme pressure justify earlier design freeze and more planning before work reaches site. The Leeds cohort looks weighted towards established regional delivery businesses, with fewer very new entrants, so change may come through partnerships, acquisitions or added manufacturing capacity rather than a rush of start-ups. Adoption will also depend on whether buyers treat offsite methods as a procurement choice with different risk allocation, not simply a cheaper substitute for conventional contracting.
37
Active firms
2026
9
Above £5M
reported revenue
3
Since 2022
new incorporations
Key facts
About 24% of the trading cohort reports turnover above £5M (9 of 37 firms) — the rest sits below that revenue band.
8% of the cohort was incorporated since 2022 (3 firms), so a sizeable share is in its first few filing cycles.
Leeds modular construction suppliers sit between manufacturing and contracting, with delivery shaped by factory capacity and site installation teams.
Project work tends to require specification-led manufacturing rather than standard materials supply.
Offsite production moves part of the build sequence into factory settings before components enter local building programmes.
Top Leeds modular construction companies
SHIRE TIMBER & TRUSS LIMITED
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsDesigns, manufactures and installs timber frame structures, roof trusses, SIP panels and engineered joists for construction projects. Also operates a timber merchant supplying structural timber,…
Serves housebuilders, developers, contractors and self-builders across the UK, including housing sites, hotels, apartment blocks and individual home projects, plus local trade and DIY buyers via its…
Financial Health
StableStable · 0% CAGR over 1y
Location
TREANOR PUJOL LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns, manufactures and installs precast concrete flooring systems for construction projects, including beam and block floors, insulated beam and block flooring, hollowcore slabs and precast stairs.
Sells to UK housebuilders, property developers, main contractors and construction firms involved in new-build housing and commercial building projects.
Financial Health
StableStable · -13% CAGR over 2y
Location
Howarth Timber Engineered Solutions
Designs and manufactures engineered timber components for construction, including roof trusses, spandrel panels, metal web joists and timber cassette systems, supplying structural elements used in…
Serves UK construction-sector businesses, including housebuilders, developers, contractors and timber/building trade buyers.
Location
Tur Offen Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsManufactures modular buildings, residential and commercial interior doorsets including fire doors, and bespoke timber furniture. Designs and installs modular structures and joinery products for…
Serves UK businesses and organisations, especially construction and property teams, leisure/hospitality operators and student accommodation developers, across residential and commercial projects.
Financial Health
StableStable · Hiring · 58% CAGR over 2y
Location
Configured Platforms Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures prefabricated aluminium rooftop platforms, plant enclosures and acoustic screening systems for construction projects. Supplies modular structures for mounting and screening…
Serves B2B construction clients, including contractors, architects, developers and project teams in healthcare, residential, commercial and education schemes worldwide.
Financial Health
StrongStrong · Growing, Hiring · 49% CAGR over 4y
Location
ICF Bondmor Ltd
Trajectory
1y · 2025–NowProvides insulated concrete formwork (ICF) construction services, installing insulated raft foundations and concrete wall systems for residential and commercial buildings. Also offers ICF…
Serves property developers, commercial construction projects, and private domestic clients planning new builds, including large development sites, self-build homes, Passivhaus-style dwellings, and…
Financial Health
Insufficient historyInsufficient history
Location
Waites Mechanical Services Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides pipework prefabrication, installation, and off‑site manufactured packaged plant rooms, modules and skids for construction and engineering projects. Also offers 3D laser scanning, design…
Serves B2B construction and engineering buyers, including main contractors, M&E contractors and project teams delivering commercial, industrial and infrastructure schemes.
Financial Health
HealthyHealthy · -14% CAGR over 4y
Location
ECOTRUS LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDesigns and supplies a patented galvanised steel structural system for loft conversions, enabling creation of additional living space within roof areas. Offers bespoke design, prefabricated…
Serves homeowners planning loft conversions, alongside self-builders, tradespeople and local installation partners involved in residential roof-space projects.
Financial Health
StableStable · Hiring · 54% CAGR over 5y
Location
Floway Mechanical Solutions Limited
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides mechanical building services including design, fabrication and installation of industrial and commercial pipework, plumbing, ventilation and HVAC systems. Also delivers off‑site manufactured…
Serves B2B and public sector clients, including university and hospital estates teams, councils, care homes, hospitality and leisure operators, factories, process-system sites, and some domestic…
Financial Health
StableStable · 0% CAGR over 1y
Location
Woodlands Home & Garden Group (Holdings) Limited
Trajectory
2y · 2022–NowFinancial sub-scores
Computed from 2 filingsManufactures and sells timber garden buildings including sheds, summerhouses, log cabins and modular garden rooms. Operates e‑commerce retail, franchised show sites, timber machining and trade timber…
Serves a mix of UK consumers and trade customers: homeowners, DIY shoppers, garden building retailers, and trade buyers needing garden building manufacturing, timber machining or timber supply.
Financial Health
StableStable · 4% CAGR over 1y
Location
Elite Systems (GB) Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, manufactures and installs modular buildings and offsite construction solutions for education, healthcare and commercial sectors. Provides modular classrooms, hospital facilities, offices and…
Serves UK education, healthcare, commercial and public sector buyers, including nurseries, schools, colleges, universities, hospitals, GP surgeries, dentists, custodial facilities and organisations…
Financial Health
StableStable · 2% CAGR over 4y
Location
STEEL FRAME STRUCTURES LIMITED
Trajectory
4y · 2021–NowFinancial sub-scores
Computed from 4 filingsManufactures cold‑rolled light gauge steel framing systems for construction. Produces pre‑assembled and self‑assemble panels and offers supply‑and‑fit services for houses, apartments, modular…
Serves UK construction developers, modular building clients, homeowners, and local councils planning houses, apartments, extensions, garden rooms, and modular units.
Financial Health
HealthyHealthy · -13% CAGR over 3y
Location
ACTIFORM LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures bespoke modular and portable buildings, including site accommodation, classrooms, healthcare facilities and commercial units. Provides off‑site engineered building solutions…
Serves UK organisations needing modular facilities, including healthcare providers, schools and colleges, civils and construction firms, industrial and commercial businesses, and defence, nuclear and…
Financial Health
HealthyHealthy · -69% CAGR over 4y
Location
MPH Building Systems Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, manufactures and supplies modular and portable buildings for education, healthcare, commercial and construction sectors. Produces prefabricated classrooms, offices, healthcare units and site…
Serves UK public and private sector organisations, including schools and nurseries, hospitals and clinics, government bodies, commercial businesses and construction site operators.
Financial Health
StableStable · Hiring · 3% CAGR over 4y
Location
Camel Precast Solutions Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsManufactures high‑strength precast concrete components for the construction industry, producing structural and architectural concrete elements for building and infrastructure projects, including…
Serves B2B customers in the construction industry, including contractors, developers and builders needing precast concrete components.
Financial Health
HealthyHealthy · -2% CAGR over 4y
Location
Birkbeck Structures Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDesigns, fabricates and installs structural steel and light gauge steel frame systems for residential and commercial construction. Provides hybrid steel framing solutions including design, off-site…
Serves UK construction contractors, developers and project teams delivering residential and commercial building projects, particularly those needing structural steel frame partners.
Financial Health
StrongStrong · Growing, Hiring · 38% CAGR over 4y
Location
ASG ASSOCIATES LIMITED
Trajectory
4y · 2022–NowDesigns, manufactures and installs steel fabrications and modular buildings for commercial and industrial projects, including staircases, mezzanines, handrails, balustrades, structural steel and…
Serves construction companies, contractors and commercial/industrial project teams across the UK, with an online shop for trade buyers sourcing fittings, bollards and accessories.
Financial Health
Insufficient historyInsufficient history
Location
Timbertight Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsDesigns, manufactures and installs timber frame building systems for residential and commercial construction. Services include technical design, project and contract management, timber frame…
Serves self-build homeowners, residential developers, affordable housing providers and commercial construction clients across the UK seeking timber-frame building projects, including…
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 2y
Location
Premier Timber Systems Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns, manufactures and installs timber frame building systems for construction projects. Produces roof trusses, I-joists, metal web joists, floor cassettes and spandrel panels, supplying…
Serves self-build homeowners and construction-sector customers, including builders and developers, needing timber frame, roof truss and engineered timber packages for projects of all sizes across…
Financial Health
StableStable · -6% CAGR over 2y
Location
PREFABRICATED SOLUTIONS LIMITED
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsDesigns and fabricates offsite prefabricated mechanical, electrical and plumbing (MEP) systems for construction projects. Produces modular building services assemblies and ready‑to‑install corridor…
Serves construction contractors, developers and project teams delivering building services for healthcare, industrial, residential, commercial and education projects across the UK, including…
Financial Health
StrongStrong · Growing, Hiring · 7% CAGR over 3y
Location
U Roof Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDesigns and supplies light gauge steel frame building systems for residential and light commercial construction. Products include conservatory roof structures, extension frames, garden room kits,…
Serves individuals, self-builders, housebuilders, architects, specifiers, roofing contractors and developers working on residential and light commercial new-build, extension and refurbishment…
Financial Health
HealthyHealthy · -2% CAGR over 3y
Location
NPS GRP LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures bespoke GRP kiosks, steel fabrications, and offsite systems for water and wastewater treatment plants and energy infrastructure, including equipment housings and related…
Serves B2B clients in water and wastewater treatment, energy production and utility infrastructure, including operators, engineering contractors and project teams.
Financial Health
HealthyHealthy · Growing, Hiring · 6% CAGR over 4y
Location
RHINO PRECAST LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, supplies and installs precast concrete flooring and structural components for construction projects, including hollowcore planks, beam and block and insulated floors, precast stairs and…
Serves construction industry clients across the UK, including main contractors and project teams across all sectors with one-off project needs or longer-term supply agreements.
Financial Health
StableStable · -68% CAGR over 4y
Location
Hanson Buildings Limited
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides design, supply and installation of concrete and steel buildings including garages, sheds, workshops, garden rooms and industrial units. Also offers custom insulated steel structures, site…
Serves UK domestic customers needing garages, sheds, workshops and garden rooms, alongside commercial and industrial buyers across various industries requiring steel buildings, refurbishments or…
Financial Health
DistressedDistressed
Location
SECURE GARAGES LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsSupplies and installs prefabricated garages, sheds, workshops, carports, portable buildings and light industrial units. Offers bespoke designs, online ordering, delivery and installation, plus…
Serves homeowners, property owners and small businesses seeking garages, sheds, workshops, home offices, carports, portable buildings and light industrial units, with tailored supply and installation.
Financial Health
StrongStrong · Growing · 0% CAGR over 2y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides facade engineering and contracting services, designing, manufacturing and installing unitised curtain wall systems, glass facades, facade modules, windows and doors for building projects,…
Serves B2B construction clients, including property developers, main contractors and architects seeking façade, window and door packages for major building projects.
Financial Health
StableStable · -34% CAGR over 4y
Location
Clayton Garage Revamps Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsSupplies and installs concrete garages with apex roofs, including groundwork and on‑site construction. Also provides garage doors, concrete garage refurbishment, and garden buildings such as sheds,…
Serves homeowners and domestic property owners across Yorkshire, especially West Yorkshire, seeking concrete garages, garage doors, sheds and garden buildings.
Financial Health
WeakWeak · 0% CAGR over 2y
Location
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How Leeds modular construction companies work and how to sell to them
What they do
Modular construction firms in Leeds usually make money through fixed-price project packages, staged milestone payments and agreed variation work, with some design, installation and aftercare wrapped into the same contract. Revenue is closer to specialist contracting than software or pure manufacturing: a buyer pays for a building-system outcome, not just a component leaving a factory. Typical work includes panelised assemblies, volumetric units, fit-out packages, structural frames and site assembly support. Margins depend on factory utilisation, design freeze, transport planning, site access and how clearly responsibility is split between the offsite supplier, the main contractor and other trades.
Who they sell to
Most sell to main contractors, developers, housing providers and estate owners that have repeat building programmes or sites where time, access or labour availability is a constraint. The buying group usually includes a commercial director, pre-construction lead, project director, procurement manager and, on riskier schemes, technical or compliance specialists. Deals tend to move through tendered construction procurement, framework call-offs or partner-led project teams rather than self-serve purchasing. Sales cycles are normally tied to planning, design coordination and budget approval, so suppliers often need to influence specifications before the formal tender lands.
What they buy
Most modular construction firms tend to spend on tools and services that keep projects, materials and compliance evidence under control. Relevant categories include estimating and tender management, job-costing, finance systems, document control, quality management, design coordination, scheduling, workforce planning, stock and materials planning, fleet or plant management, and health-and-safety training. They may also buy legal support for contract terms, insurance advice, recruitment for site and factory roles, and marketing aimed at developers or framework buyers. Firms with manufacturing activity are more likely to care about capacity planning, traceability, supplier management and defects reporting than generic construction administration alone.
Why and how to sell to them
Modular construction buyers tend to evaluate vendors when project volume rises, margins become harder to track, a new framework or contractor relationship starts, or operational leaders need better evidence for compliance and handover. Common pain points include design changes after factory work has started, unclear responsibility at site interfaces, retention pressure, late materials, rework and fragmented project paperwork. Outreach usually works better when it is anchored in programme certainty, margin visibility, audit trails or faster tender response, rather than broad claims about construction modernisation. Leeds firms are regional operators, so relevance to live project delivery usually matters more than abstract enterprise messaging.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
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