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Construction Companies in Southampton: 3,005 Active Firms (2026)
Construction companies in Southampton build, repair and manage residential, commercial and infrastructure projects across the city and its surrounding area.
Buying centres tend to sit with project directors, estates and facilities teams, commercial managers and quantity-surveying functions, with procurement shaped by site risk, programme certainty and subcontractor availability. The customer base is mostly SME and mid-market, spanning residential landlords, commercial occupiers, industrial clients and infrastructure owners around Southampton. Engagements are usually project-by-project: repair and fit-out packages, refurbishment contracts, civil works and building-services scopes, with delivery handled through a mix of direct labour and subcontracting. The practical buying test is less about a generic construction label than whether a contractor can coordinate sites, manage worker consultation and keep payment processes orderly.
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Southampton has 3,005 actively trading construction companies in this cohort. Reported headcount stands at 1,014 people, so the visible employment footprint is small relative to the number of trading entities and consistent with a contractor market where owner-managed firms and subcontracted delivery appear common. The turnover distribution is narrow at the upper end: 49 report more than £5M in turnover, while 603 were incorporated since 2022. That mix gives researchers a list with many early-commercial or specialist-trade operators, alongside a much smaller group of contractors with the revenue base to take on larger packages.
UK construction does not operate under a sector-wide licence. HSE’s CDM regime sets duties around planning work from start to finish, appointing suitable people, coordinating activity and consulting workers, so local contractors have to treat risk management as part of project delivery rather than a separate compliance exercise. HMRC’s Construction Industry Scheme shapes how contractors deduct and pass on payments for subcontracted labour, with registration status affecting deductions. OPSS regulates construction products and works with the Building Safety Regulator within HSE where product assurance overlaps with building-safety issues.
Southampton’s construction base appears weighted towards smaller contractors and specialist trades, with relatively few scale-up employers visible at the upper end of turnover. Pipeline resilience tends to depend on repair, fit-out, refurbishment and local infrastructure maintenance as much as new-build work, so order books may remain uneven across trades. Compliance pressure around site coordination, subcontractor payment and product assurance is likely to favour operators with disciplined back-office processes. Consolidation may remain selective: buyers usually want dependable delivery capacity, not just a registered contracting vehicle.
3,005
Active firms
2026
49
Above £5M
reported turnover
603
Incorporated since 2022
Key facts
About 1% of the trading cohort reports turnover above £5M (49 of 3,005 firms) — the rest sits below that revenue band.
20% of the cohort was incorporated since 2022 (603 firms), so a sizeable share is in its first few filing cycles.
HSE’s Construction (Design and Management) Regulations 2015 set duties for planning work so risks are managed from start to finish, appointing suitable people, coordinating work and consulting workers.
HMRC’s Construction Industry Scheme requires contractors to deduct money from subcontractor payments and pass it to HMRC; unregistered subcontractors face higher deductions.
The Office for Product Safety and Standards regulates construction products and works with the Building Safety Regulator within HSE on building-safety-related issues.
ONS reported 370,770 VAT and PAYE registered construction firms in Quarter 3 2024, up 1.7% on 2023.
Eurostat estimated construction production in August 2024 was down by 2.5% year on year in the euro area and down by 2.4% in the EU.
Top Southampton Construction companies
CHANGEREGARD LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides civil engineering and groundworks contracting services, including earthworks, foundations, reinforced concrete frames and basements, drainage and sewer installation, roads and surfacing,…
Serves national housing developers and property development clients across the south coast, including Hampshire, Dorset, Wiltshire, Berkshire, Surrey and Sussex.
Financial Health
HealthyHealthy · -68% CAGR over 4y
Location
FORMULA SCAFFOLDING LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides scaffolding contracting services including design, erection, inspection and dismantling of access scaffolds and temporary roof structures. Works across commercial, industrial, marine,…
Serves commercial, industrial, marine, heritage and domestic clients across Southampton, Hampshire and the South of England, including main contractors, trades and property owners.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
Vision Scaffolding Solutions Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides scaffolding and access services for construction and maintenance projects, including domestic, commercial, industrial and marine scaffolding. Designs, supplies and erects scaffold…
Sells to both businesses and homeowners needing scaffolding, serving commercial construction, residential property works, industrial sites, and marine clients such as dockyards and marinas, mainly…
Financial Health
HealthyHealthy · Growing · 2% CAGR over 4y
Location
Safe Access Solutions (S) Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides scaffolding hire and installation services, including delivery, erection, alteration and dismantling of scaffold structures for residential, commercial and industrial construction,…
Serves homeowners, the public, tradespeople, and commercial or industrial contractors needing access support for residential and commercial projects across Southampton, Hampshire and the South Coast.
Financial Health
StableStable · Hiring · 5% CAGR over 4y
Location
STRANDHILL, CIVIL ENGINEERING LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides groundwork and civil engineering services for residential housing developments, including site clearance, bulk excavation, drainage systems, road construction, foundations, retaining walls,…
Serves national speculative housing developers and residential construction clients on small to medium housing sites, primarily across Hampshire, Surrey, West Sussex, Berkshire and Buckinghamshire.
Financial Health
HealthyHealthy · Hiring · 2% CAGR over 5y
Location
SITE SOLUTIONS SPECIALIST CONTRACTORS LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides design and build contracting, interior fit‑out, refurbishment, and passive fire protection works. Acts as a main contractor managing construction projects and reactive maintenance for…
Serves public, private and defence-sector organisations needing projects in education, healthcare, workplace, leisure and retail, industrial, and high-security environments.
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
Whitman Builders Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProperty developer and building contractor delivering new‑build housing for social and private sectors, conservation projects, extensions and orangeries, refurbishments, disabled adaptations,…
Serves a mix of B2B, public-sector and private clients, including social housing providers, property owners, homeowners needing extensions or adaptations, and commercial or retail premises requiring…
Financial Health
WeakWeak · 0% CAGR over 2y
Location
QUAYSIDE ELECTRICAL LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides electrical contracting services for commercial and domestic projects, including new-build electrical installations, lighting and power systems, audio‑visual and smart home setups, security…
Serves commercial clients, housebuilders and new-build developers, as well as domestic homeowners across Southampton, the South Coast and wider UK.
Financial Health
StableStable · -10% CAGR over 4y
Location
TARNWALK (UK) LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides electrical contracting services including electrical installations, design and build of electrical systems, testing and inspection, maintenance, energy‑efficiency upgrades, and installation…
Serves businesses, main contractors and commercial property clients, including retail stores, offices and other premises, with projects emphasised in Hampshire and wider UK locations.
Financial Health
HealthyHealthy · -70% CAGR over 4y
Location
JAMES LISTON BUILDING SERVICES LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides mechanical and electrical building services, including design and installation of M&E systems for commercial, industrial, domestic and public sector building construction and refurbishment…
Serves commercial and industrial businesses, public sector organisations and domestic clients, including schools, churches, hospitals, hotels, housing developments, factories and transport facilities…
Financial Health
HealthyHealthy · -55% CAGR over 5y
Location
A.C.G. CONTRACTORS LIMITED
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsProvides commercial and industrial building refurbishment, maintenance and alteration services, including bricklaying, carpentry, painting and decorating, electrical and plumbing work, roofing,…
Serves B2B customers with industrial and commercial premises across Hampshire, including property owners, occupiers and facilities managers in retail, hospitality, charities, pharmacies and…
Financial Health
HealthyHealthy · -54% CAGR over 6y
Location
TEW BROTHERS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides commercial construction and building services including refurbishments, extensions, alterations and remedial works. Delivers planned and reactive maintenance for building fabric, project…
Serves businesses and public sector organisations needing commercial building work, refurbishment and maintenance, including schools, theatres, visitor centres and other commercial or public premises…
Financial Health
StrongStrong · Growing · 2% CAGR over 4y
Location
PWH BUILDING LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides residential and commercial construction services including new builds, property extensions, renovations, restorations, and interior fit‑outs. Manages building projects such as home…
Serves private homeowners and local commercial clients, including hospitality venues, needing building and renovation projects across the New Forest, Dorset and Hampshire areas.
Financial Health
WeakWeak · -3% CAGR over 5y
Location
I M Currie Formwork Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides steel fixing, formwork, and concreting services for reinforced concrete construction. Installs reinforcement, builds temporary formwork systems, and places and finishes concrete for…
Serves construction contractors, property developers, housing providers and commercial project owners in the South of England requiring reinforced concrete specialists for building and infrastructure…
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
Location
JML INTERIORS (UK) LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides building refurbishment and interior fit‑out services for commercial, educational, and domestic properties. Services include classroom and washroom upgrades, office partitions and suspended…
Serves schools, colleges and universities, homeowners, and commercial property, office and shop clients in Hampshire and surrounding areas.
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
Location
ROM SCAFFOLDING SERVICES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides scaffolding hire, installation and access solutions for commercial and domestic construction projects. Services include temporary scaffold structures for building works, renovations and…
Serves commercial construction clients, housebuilders and developers, plus domestic homeowners needing short- or long-term scaffold access across Hampshire, Dorset and West Sussex.
Financial Health
HealthyHealthy · -73% CAGR over 4y
Location
MOSTLANE CONSTRUCTION LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides construction and building refurbishment services for commercial and residential projects, including design and build, property extensions and renovations. Also delivers facilities…
Serves commercial clients and domestic property owners across Southern England, including established companies needing building-related support and homeowners seeking residential property…
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
Location
C&D Plant & Construction Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides construction and civil engineering services including groundworks, drainage installation, general building works, demolition and strip‑out. Also offers plant hire and undertakes housing and…
Serves construction clients, property developers and housing development organisations needing contractors for groundworks, drainage, civil engineering, demolition, plant hire and general…
Financial Health
WeakWeak · -10% CAGR over 4y
Location
Figgins Construction Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides building and construction services including new home builds, extensions, refurbishments, bathroom installations, brickwork, roofing, loft conversions and repointing. Undertakes general…
Serves homeowners, property owners and commercial clients in Southampton and surrounding areas seeking residential or commercial construction and building support.
Financial Health
StableStable · Hiring · 6% CAGR over 4y
Location
K J PARKER LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides design-and-build construction services for commercial and private sector projects, including turnkey project delivery, construction management and building maintenance. Coordinates with…
Serves commercial and private-sector clients needing construction and project management, including businesses and private clients, while working with stakeholders such as local authorities,…
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
SM5 Developments Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides construction services including new build, interior fit‑out and refurbishment projects. Manages planning and delivery of commercial spaces for sectors such as education, offices, industrial…
Serves organisations and commercial clients in education, offices, industrial, healthcare, leisure and retail, and automotive sectors requiring construction, fit-out or refurbishment projects.
Financial Health
StrongStrong · Growing, Hiring · 44% CAGR over 4y
Location
GEMINI ROOFING & CLADDING LIMITED
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides roofing and cladding services for commercial, industrial and agricultural buildings, including cladding replacement, over‑cladding of existing roofs and walls, guttering, roof lighting…
Serves main contractors and direct clients responsible for commercial, industrial and agricultural buildings across the UK, including warehouses and other existing or new-build sites.
Financial Health
StrongStrong · Growing, Hiring · 28% CAGR over 4y
Location
WHA SHOPFITTING LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides shopfitting and interior fit-out services for retail and leisure businesses, including refurbishment of retail units and construction of new stores. Manages projects from initial concept and…
Serves B2B retail and leisure clients across the UK and Europe, from small retail unit refurbishments to large store fit-outs over 30,000 sq ft, including brands opening or upgrading outlets.
Financial Health
StrongStrong · -2% CAGR over 4y
Location
Olfm
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides refurbishment, fit-out and building maintenance services for residential, commercial, retail and hospitality properties. Delivers planned and reactive maintenance, renovations, M&E works,…
Serves B2B and public-sector clients across the UK, including residential property, commercial, retail, hospitality and industrial organisations, plus local government bodies and blue-chip clients…
Financial Health
StrongStrong · Hiring · 11% CAGR over 4y
Location
A Class Construction Southern Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides residential construction and carpentry services including new build homes, building extensions, garage conversions, kitchen installation, renovations, structural repairs and general building…
Serves homeowners and domestic clients planning new builds, extensions, conversions, kitchen fitting, renovations and bespoke residential projects, alongside commercial clients needing small-build,…
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
ELEMENT CONTRACTS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides building contracting services for residential and commercial properties, including construction of new build projects and restoration works. Specialises in repairing and refurbishing…
Serves homeowners, property owners, and commercial clients across the UK needing construction or restoration of residential and commercial properties, including fire- or flood-damaged buildings.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
Whitefield Romsey Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides residential building and construction services including new build houses, extensions, outbuildings and home improvements. Carries out groundworks, bricklaying, carpentry, driveways, patios,…
Serves homeowners and residential property owners across the South East seeking building projects such as extensions, new builds, renovations, groundwork, landscaping, bricklaying and carpentry.
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
HM2 Property Solutions Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides property maintenance, renovation and building services for residential properties, including extensions, kitchen and bathroom installations, plumbing, electrical work, heating and gas…
Serves residential homeowners across the South Coast needing property maintenance, renovations, extensions, kitchens, bathrooms, plumbing, electrics, heating and gas work.
Financial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
SILVERWOODS CONSTRUCTION LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides residential construction services including demolition, new house building, home extensions, renovations and landscaping. Manages projects from planning and design through to construction,…
Serves private residential clients and property owners undertaking home builds, extensions, cottage modernisations and family living-space upgrades, with projects ranging from small to substantial.
Financial Health
HealthyHealthy · Hiring · 17% CAGR over 5y
Location
Blanchard Wells Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides civil engineering and reinforced concrete construction services, including concrete frame structures, residential groundworks, road building, drainage, and substructure works. Delivers…
Serves property developers, main contractors and construction clients in southern England, particularly those delivering civil engineering, reinforced concrete and residential groundworks projects.
Financial Health
HealthyHealthy · Profitable, Hiring · 6% CAGR over 2y
Location
DF HOLDINGS (SOUTHERN) LIMITED
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides groundworks and civil engineering services for residential housing developments and infrastructure projects. Undertakes site preparation, drainage, foundations, road and highway…
Serves commercial clients in housing, civil engineering and highways, including residential developers and organisations commissioning road schemes and infrastructure projects across Hampshire and…
Financial Health
StableStable · Hiring · 50% CAGR over 1y
Location
BIRCHEN CONSTRUCTION LIMITED
Trajectory
1y · 2025–NowProvides building construction services as a main contractor, delivering commercial, residential and education sector projects. Undertakes new build developments and refurbishment works, managing…
Serves commercial, residential and education-sector clients across Hampshire, Dorset and the South Coast, including organisations and property owners commissioning new build or refurbishment projects.
Financial Health
Insufficient historyInsufficient history
Location
SKILL SCAFFOLDING LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides scaffolding erection and access solutions for construction projects. Services include scaffold design, planning and surveying, system and tube‑and‑fitting scaffolding, internal access…
Serves construction and infrastructure clients on the South Coast, including main contractors, developers, rail contractors, education providers and smaller project customers on new-build,…
Financial Health
StableStable · -70% CAGR over 4y
Location
Trajectory
3y · 2020–NowFinancial sub-scores
Computed from 3 filingsProvides construction, refurbishment and design-and-build services, managing planning, project delivery and upgrades on live sites. Works on healthcare, education, community, research and commercial…
Serves public and private sector property and facilities teams across the South of England, particularly in healthcare, education, community, research, commercial and specialist sectors.
Financial Health
StrongStrong · Hiring · 14% CAGR over 2y
Location
Brickland Building Developments Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsConstructs bespoke residential homes and small-scale housing developments for private clients and investors. Provides construction and construction design management, coordinating planning, materials…
Serves private clients seeking bespoke homes and angel/property investors funding small high-end residential developments, primarily in Hampshire and the New Forest, with mid-market to premium…
Financial Health
StrongStrong · Hiring · 11% CAGR over 4y
Location
Mackoy Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides groundworks and civil engineering services for residential construction projects, including earthworks, foundations, drainage, roads, surfacing, retaining structures, beam and block floors,…
Serves national house builders and residential property developers delivering large-scale housing projects across Hampshire, Dorset, Sussex, Surrey, Berkshire and wider southern England.
Financial Health
StableStable · Profitable · -6% CAGR over 2y
Location
MARTCH & ROWDEN CONSTRUCTION LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides in-situ reinforced concrete contracting services, constructing structural concrete elements including basements, slabs, staircases and multi-storey frames. Services include formwork, steel…
Serves construction-sector clients, including main contractors, developers and property owners, needing specialist structural concrete subcontractors for residential and commercial projects on the…
Financial Health
StableStable · -68% CAGR over 4y
Location
A & S Scaffolding (Southern) Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides scaffolding services for construction and maintenance projects, including erection, dismantling, and hire of scaffolding structures. Works with contractors and property owners to supply…
Serves customers in the Southampton area seeking scaffolding services, including organisations or individuals requesting quotes for scaffolders.
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 4y
Location
Oliver Cutts Estates Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides civil engineering and coastal defence contracting services, including groundworks, drainage, piling, reinforced concrete structures, river and shoreline protection works, and infrastructure…
Serves public-sector bodies, framework partners and commercial infrastructure owners in Hampshire and Dorset, including airports, ports, harbours, marinas, transport hubs, waste facilities and…
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
Earlcoate Properties Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides civil engineering and coastal defence construction services, including groundworks, drainage, piling, reinforced concrete structures, seawalls, dredging and river works. Also supplies plant…
Serves public and private-sector infrastructure clients, including local authorities, airports, ports, harbours, marinas, transport hubs, waste facilities and environmental or flood management bodies…
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
Da Groundworks & Construction Ltd
Trajectory
3y · 2024–NowFinancial sub-scores
Computed from 3 filingsProvides groundworks, construction and civil engineering services for residential and commercial building projects, including foundations, beam and block floors, drainage and sewers, retaining walls,…
Serves Hampshire housebuilders, homeowners, commercial property clients and private investors undertaking residential or commercial construction projects, including around Eastleigh, Winchester,…
Financial Health
StrongStrong · Growing · 0% CAGR over 2y
Location
I4 PROJECTS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides interior refurbishment and fit‑out services as a principal contractor, including design and build, Cat A and Cat B office fit-outs, washroom installation, mechanical and electrical services,…
Sells to public sector and private sector organisations needing interior refurbishment and fit-out, including schools, universities, laboratories, research facilities, offices, banks, retailers,…
Financial Health
StrongStrong · Growing, Hiring · 41% CAGR over 2y
Location
R V DART & SON (BUILDERS) LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides building contracting services including new builds, extensions, alterations and refurbishments. Undertakes building maintenance, historic building renovations, re-cladding, fire safety…
Serves private and public sector clients in and around Hampshire, including education, healthcare, commercial and industrial organisations, plus ecclesiastical and public bodies responsible for…
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
Schofield Groundworks Limited
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides groundworks and civil engineering services for construction projects, including reinforced concrete foundations and basements, underground drainage installation, excavations, external works…
Serves construction clients, developers and commercial or industrial project owners needing groundwork contractors, from minor works to major projects, across Hampshire, the Isle of Wight and…
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 4y
Location
A FLETCHER & SONS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides building and refurbishment services for domestic and commercial properties, including home renovations, loft conversions, house extensions, commercial building maintenance, carpentry and…
Serves homeowners, landlords and commercial property owners or occupiers in Southampton seeking domestic building projects, extensions, renovations, refurbishments and property maintenance.
Financial Health
WeakWeak · Hiring · 29% CAGR over 2y
Location
Cummins and Pope Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides building contracting services including refurbishment and new build projects for commercial and domestic clients. Offers design and build, quantity surveying, project management, planning…
Serves leisure, retail and entertainment businesses, plus domestic homeowners with building projects in Hampshire.
Financial Health
StableStable · Hiring · 117% CAGR over 4y
Location
Wickborne Homes Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProperty developer and housebuilder constructing individually designed residential homes and small housing developments. Also provides civil engineering and groundworks services including drainage,…
Serves private new-build homebuyers, landowners with development sites, and organisations needing civil engineering suppliers, including local authorities around Southampton, Salisbury, Andover and…
Financial Health
WeakWeak · Hiring · 14% CAGR over 4y
Location
Acorn Building Contracts Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides residential and commercial building and renovation services including loft conversions, home extensions, bespoke kitchen installation, roofing, tiling, plastering, decorating, groundworks,…
Serves homeowners in Southampton, the New Forest and Hampshire, plus local commercial clients needing office refurbishments, partitioning and decoration.
Financial Health
StableStable · -4% CAGR over 4y
Location
CAWS CARPENTRY & BUILDING LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides residential building and carpentry services, including home extensions, loft conversions, kitchen and bathroom installations, refurbishments, roofing, and decorating. Also undertakes new…
Serves homeowners and residential property owners in Southampton seeking builders for home improvements, extensions, loft conversions, new builds, kitchens, bathrooms and refurbishments.
Financial Health
HealthyHealthy · Hiring · 14% CAGR over 4y
Location
Dunford Construction Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides building and construction services including bespoke housebuilding, residential renovations and commercial construction projects, delivering new homes and refurbishment work for private…
Serves private homeowners, property owners and commercial clients seeking bespoke housebuilding, renovation or construction services in the New Forest, South Hampshire and Dorset.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 3y
Location
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How Southampton Construction companies work and how to sell to them
What they do
Southampton contractors usually earn revenue by pricing labour, materials, preliminaries and margin into one-off works packages, then managing delivery risk across direct employees, subcontractors and suppliers. Pricing may be fixed-price for defined scopes, schedule-of-rates for repeat works, day-rate for call-outs, or cost-plus where scope is uncertain. Variations, retentions and staged payments matter because cash is often tied to measured progress rather than simple monthly invoicing. The service shape is physical delivery, but the commercial product is also coordination: estimating, programme control, site supervision, health and safety administration, materials ordering and subcontractor management.
Who they sell to
Most sell to property owners, landlords, managing agents, commercial occupiers, industrial operators and local infrastructure clients around Southampton. Buyers tend to include project directors, estates managers, facilities leads, quantity surveyors, commercial managers and procurement teams, with finance involved where payment terms, retentions or insurance requirements create risk. Reactive repairs can be bought through trusted supplier lists or quote comparisons; planned refurbishment, civil works and building-services packages more often move through tenders, approved-contractor panels or RFP processes. Smaller contractors are usually relationship-led, while mid-market operators need evidence of capacity, accreditations, insurances and dependable subcontractor control.
What they buy
Most construction firms tend to spend on tools and services that reduce leakage between estimate, site work and invoice. Common buying categories include estimating and take-off software, project accounting, CIS payroll support, timesheets, document control, health and safety management, asset and plant tracking, procurement systems, fleet services, insurance brokerage and legal advice on contracts or disputes. Recruitment, training and temporary labour supply matter where site capacity is constrained. Marketing spend is usually practical rather than brand-led: local search, tender support, bid writing, case-study production and account-based outreach to property, facilities and infrastructure buyers.
Why and how to sell to them
Construction buyers tend to evaluate suppliers when workload starts to outgrow informal administration: a larger package is won, a new commercial manager arrives, subcontractor payments become harder to reconcile, or site paperwork begins to affect programme certainty. Other triggers include HSE-related process reviews, CIS deduction issues, insurance renewals, a move into public-sector tendering or visible hiring for estimators, quantity surveyors and site managers. Outbound messages usually land better when framed around fewer disputed variations, cleaner subcontractor onboarding, faster applications for payment, safer site coordination or improved evidence for tenders, rather than generic efficiency claims.
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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