Quantity Surveying Companies in Swansea: 33 Active Firms (2026)
Quantity surveying companies manage construction costs, contracts and project valuations for clients in and around Swansea.
Buying decisions tend to sit with developers, contractors, property owners and public bodies that need external cost control without carrying an in-house commercial team. Swansea practices in this niche usually sell project-by-project advice: cost planning before tender, tender analysis, contract administration during works and valuation support once claims or variations arise. The work is business-to-business and public-sector adjacent, with micro and small consultancies handling building, refurbishment, maintenance and local infrastructure jobs rather than multi-office advisory frameworks. For buyers, qualification signals and familiarity with UK construction contract practice often matter as much as sector specialism.
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Swansea has 33 actively trading quantity surveying companies in this list, making it a small local professional-services market rather than a deep national cluster. Reported headcount across the cohort is 31 people, consistent with a base of owner-managed and micro-practice operators. No firm has turnover above £5M, while 12 have been incorporated since 2022, so the local list includes a recent formation layer as well as established practices. The practical picture is a market built around local construction relationships, repeat contractor work and project-specific commercial support.
Quantity surveying is not a fully reserved UK activity, which keeps formal market entry relatively open for cost consultants and contract advisers. The protected-title regime still matters. The UK Regulated Professions Register treats Chartered Quantity Surveyor as an accreditation-based profession with no reserved activities, while use of the Chartered Surveyor title is restricted through RICS. MRICS and FRICS designations therefore operate less as a licence to do the work than as shorthand for qualification status, ethics, conduct and competence. For public bodies and risk-conscious clients, that distinction can affect procurement scoring and professional indemnity conversations.
The Swansea market appears likely to remain local, relationship-led and tied to the rhythm of construction maintenance, refurbishment and smaller development schemes. Practices tend to win work where clients want senior attention, site familiarity and pragmatic cost challenge rather than a broad multidisciplinary offer. The recent formation layer suggests continued entry at the micro-practice end, but scale-up scarcity is also visible in the shape of the cohort. Over time, procurement discipline, title signalling and insurance expectations may favour firms that can document standards, not just experience.
What’s in the file
One row per company, 50+ columns — everything below plus each company’s verified directors, from Companies House filings.
Company data
Verified directors — included
33
Active firms
2026
12
Incorporated since 2022
Swansea-area firms
0
Above £5M turnover
Swansea-area firms
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Key facts
36% of the cohort was incorporated since 2022 (12 firms), so a sizeable share is in its first few filing cycles.
The Regulated Professions Register lists “Chartered Quantity Surveyor” as an accreditation-based profession and records “None” reserved activities, with restrictions applying to use of title only.
The “Chartered Surveyor” title may be awarded only by RICS, with MRICS and FRICS designations tied to qualification status.
ONS estimated Great Britain construction output rose 0.5% in Q4 2024 versus Q3 2024 and 0.4% across 2024, while total construction new orders fell 2.4% in Q4 2024.
IBISWorld put UK quantity surveyor industry revenue at £1.9 billion in 2025-26, with a five-year CAGR of -0.4%.
EUROCONSTRUCT commentary indicated construction output across its 19 monitored European countries declined by 2.4% in 2024, compared with UK annual construction output growth of 0.4%.
Top Swansea Quantity Surveying companies
Financial sub-scores
Computed from 2 filingsProvides quantity surveying and commercial management services for construction projects, including cost planning, estimating, procurement support, contract administration, project management, and…
Serves B2B clients in the construction industry, including stakeholders on residential, commercial and industrial projects needing quantity surveying, commercial and project support across the…
Financial Health
StrongStrong
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
StableStable
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
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Financial sub-scores
Computed from 2 filingsFinancial Health
StrongStrong
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · -16% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
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Financial Health
N/AN/A
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · -68% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 5y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
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Financial Health
N/AN/A
Location
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Financial sub-scores
Computed from 5 filingsProvides building and quantity surveying services, including construction cost management, feasibility studies, budgeting, and final valuations. Works with homeowners, developers, and contractors to…
Serves homeowners, property developers and contractors in Swansea, as well as architects and interior designers needing professional support on residential building projects from planning through…
Financial Health
DistressedDistressed · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
StableStable
Location
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Financial sub-scores
Computed from 3 filingsFinancial Health
HealthyHealthy · 0% CAGR over 2y
Location
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Financial Health
N/AN/A
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
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The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 2 filingsFinancial Health
HealthyHealthy
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
StableStable · -62% CAGR over 4y
Location
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Financial Health
N/AN/A
Location
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How Swansea Quantity Surveying companies work and how to sell to them
What they do
Swansea quantity surveying practices usually earn revenue from fee-based consultancy rather than recurring product income. Pricing tends to be a fixed fee for a defined project stage, a percentage linked to construction value, or day-rate support where the scope is uncertain. The service shape is professional advice: cost plans, bills of quantities, tender comparisons, interim valuations, final accounts and variation assessment. Smaller practices often package this around senior practitioner time, with limited leverage from junior teams. Repeat work can look relationship-led, but the underlying engagement is still tied to a specific scheme, contract or dispute rather than an annual subscription.
Who they sell to
Typical buyers are local developers, building contractors, property owners and public-sector estates teams that need external commercial control on construction work. The decision-maker is often a director, project manager, commercial manager, estates lead or procurement officer, depending on whether the job is privately awarded or publicly tendered. Private work is commonly won through referrals, repeat contractor relationships and direct approaches, with a relatively short cycle when the brief is familiar. Public-sector-adjacent work tends to involve more formal tender documentation, qualification checks, insurance evidence and scoring around method, price and experience.
What they buy
Most Swansea quantity surveying firms tend to spend on tools and services that reduce administrative drag around projects. Relevant categories include estimating and measurement software, project accounting, time recording, document management, e-signature, CRM, proposal production, cyber security, backup, payroll and general practice management. They also buy professional indemnity insurance, accountancy, legal support for terms and disputes, recruitment for experienced surveyors, continuing professional development and local marketing. Sellers should assume limited tolerance for long implementation projects; owner-managed consultancies usually prefer low-overhead systems that fit around site visits, tender deadlines and client reporting.
Why and how to sell to them
Quantity surveying buyers tend to evaluate vendors when workload becomes harder to manage through spreadsheets, email folders and informal job tracking. Useful triggers include a move into public-sector tendering, a new hire, a run of larger refurbishment schemes, insurance renewal, qualification work, or a dispute that exposes weak document trails. Common pain points are fee pressure, scope creep, late payment, version control and proving how a valuation or cost recommendation was reached. Outbound messages are more credible when framed around recovering billable time, reducing write-offs, tightening audit trails and making project profitability visible without adding much extra administration.
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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Frequently asked questions
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