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TIC Companies in Cardiff: 124 Active Firms (2026)
TIC companies in Cardiff provide testing, inspection, calibration and certification services for regulated products and local operations.
Buying centres tend to sit with quality, compliance, engineering, facilities and procurement teams rather than with a single software-style budget owner. Cardiff providers in this category usually sell to regulated product makers, construction and infrastructure clients, industrial operators and environmental or operational assurance buyers. Engagements range from recurring calibration and surveillance work to project-specific inspections, conformity assessment and certification support. The commercial signal is less about headcount scale alone than about accredited capacity, technical specialism and an auditable service model that customers can use as evidence of compliance, safety, performance or market access.
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Cardiff has 124 actively trading TIC companies. Reported employment totals 1,000 people, so the category has a visible technical and operational workforce. Only 7 firms report turnover above £5M, while 17 were incorporated since 2022, pointing to a market with a small upper-revenue tier and a continuing supply of newer specialist providers. For buyers, that usually means a fragmented supplier bench, with capability checks mattering as much as local availability.
Accreditation sits near the centre of this market, because customers often need an independent certificate, test report or inspection record that will stand up to audit. UK policy treats third-party accreditation as “checking the checkers”, with the UK National Accreditation Body used to establish that assessment bodies are competent. Product-facing work can also sit under UKCA and CE conformity regimes, where sector rules decide whether external assessment and marking are required. Bodies seeking appointment for Great Britain or Northern Ireland follow a formal approval route, usually underpinned by accreditation and entry on the relevant conformity-assessment register.
Cardiff’s TIC market appears likely to remain service-led and relationship-led, with buyer trust shaped by accreditation scope, assessor availability and familiarity with local industrial, construction and operational sites. The upper end of the revenue distribution is relatively thin, so many providers tend to compete through technical niches rather than national coverage. Accreditation costs, audit cycles and sector-specific approval rules should keep barriers to casual entry in place. Consolidation may come where small labs or inspection teams need succession options, but specialist independents still have room where local response times matter.
124
Active firms
2026
7
Above £5M
reported turnover
17
New since 2022
recent incorporations
Key facts
About 5% of the trading cohort reports turnover above £5M (7 of 124 firms) — the rest sits below that revenue band.
13% of the cohort was incorporated since 2022 (17 firms), so a sizeable share is in its first few filing cycles.
The UK Accreditation Service is the sole UK National Accreditation Body under the Accreditation Regulations 2009, and government policy recognises its accreditation for UK-operating organisations.
UKCA and CE regimes cover more than 20 product types, with sector rules deciding when third-party assessment and marking are required.
Approved Bodies for Great Britain and UK Notified Bodies for Northern Ireland are appointed by the Secretary of State and listed on the UK Market Conformity Assessment Bodies database.
Published UK TIC estimates point to 3.51% CAGR to 2030 or 4.1% CAGR to 2033, with testing usually the largest service line and certification often the faster-growing segment.
UKAS participation in European and global accreditation groups gives accredited services international recognition, reducing repeated assessments and technical barriers to trade.
Top Cardiff TIC companies
Pullman Instruments (UK) Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides calibration services for test and measuring equipment, including onsite calibration. Also sells, hires, and repairs instrumentation, and offers environmental and product testing such as…
Targets UK organisations using test and measurement equipment, including NHS and healthcare providers, rail and transport operators, utilities, HVAC firms, manufacturers, laboratories, education,…
Financial Health
StrongStrong · Growing · 3% CAGR over 2y
Location
MINTON, TREHARNE & DAVIES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides scientific consultancy, forensic investigation, surveying, laboratory analysis and materials testing services. Operates testing facilities and engineering inspection services, and delivers…
Serves B2B and insurance clients across industrial sectors worldwide, including aerospace, agriculture, energy, engineering, marine, minerals and metals, petroleum and petrochemicals,…
Financial Health
StableStable · 0% CAGR over 4y
Location
Enquin Environmental Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides asbestos consultancy services including asbestos surveys, sample analysis, air monitoring and re‑inspections. Prepares asbestos management plans, supports remediation and project management,…
Serves B2B and public-sector property owners, developers and facilities managers, including construction, demolition, healthcare, education, housing associations, local authorities, retail,…
Financial Health
StrongStrong · Profitable, Growing, Hiring · 6% CAGR over 4y
Location
Charnwood Instrumentation Services Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides calibration services for test and measurement instruments, including temperature, humidity, pressure and density equipment. Also supplies, rents, services and repairs measurement devices…
Serves UK businesses, laboratories and process industries that rely on calibrated test and measurement equipment, including quality control, research, manufacturing and engineering teams.
Financial Health
StableStable · -7% CAGR over 5y
Location
PHH Environmental (UK) Limited
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides environmental and occupational health and safety consultancy for buildings, including asbestos surveys and bulk analysis, air testing, damp and mould inspections, legionella risk…
Serves organisations responsible for buildings across the UK and Ireland, including landlords, property managers, construction teams, facilities managers and health-and-safety managers across…
Financial Health
StableStable · -4% CAGR over 4y
Location
Sutro Group Ltd
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides infrastructure inspection services using rope access, drones, robotics and non-destructive testing. Conducts asset integrity assessments for water utilities, oil and gas, power generation,…
Serves B2B asset owners and operators in water utilities, oil and gas, power generation and renewables, particularly teams responsible for critical infrastructure, industrial facilities and…
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
Location
APPLIED TORQUE LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides calibration, hire, sales and servicing of torque tools and bolting equipment. Supplies torque wrenches, torque multipliers, hydraulic torque systems, cordless tools, calibration equipment,…
Serves B2B industrial buyers, including engineering, maintenance, manufacturing and bolting teams that use calibrated torque tools, hydraulic equipment and air tools.
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
COTTON MOUTON DIAGNOSTICS LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops and supplies endotoxin testing technology, including the αBET cartridge‑based testing system and consumables, and operates a contract laboratory providing endotoxin sample analysis, method…
Serves B2B laboratory customers, from start-up labs to high-volume pharmaceutical and biopharmaceutical companies, including R&D and QC teams needing endotoxin testing support.
Financial Health
WeakWeak · 0% CAGR over 2y
Location
ECHA MICROBIOLOGY LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops and supplies microbiological test kits, sampling tools and biocides, and provides laboratory testing, site surveys, consultancy and training to detect and manage microbial contamination and…
Serves B2B industrial customers worldwide in aviation, marine, ground transport, energy, oil and gas, water, construction, engineering and manufacturing, including oil majors, commercial airlines and…
Financial Health
HealthyHealthy · -66% CAGR over 4y
Location
CARDIFF COMMISSIONING LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides building services commissioning and consultancy, including HVAC commissioning, commissioning management, water treatment, environmental investigations, BREEAM seasonal visits, LEV testing,…
Serves B2B clients in the building services and construction sectors, including organisations responsible for HVAC, water treatment, environmental compliance and building handover requirements.
Financial Health
HealthyHealthy · Hiring · 8% CAGR over 4y
Location
CANSFORD ASSOCIATES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides laboratory and point‑of‑care drug and alcohol testing, including hair, blood and nail analysis. Also conducts DNA, steroid and prescription medication testing, and supplies expert witness…
Serves family law firms, social work teams, employers, public-sector bodies, individuals, and regulated sectors including aviation, construction, housing, finance, maritime, security, sport,…
Financial Health
StrongStrong · Hiring · 11% CAGR over 4y
Location
END SQUARED LTD
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsDesigns and builds cleanrooms and contamination‑controlled facilities for sectors including life sciences, pharmaceuticals, electronics, quantum technology and space. Provides project design,…
Serves B2B organisations in life sciences, pharmaceuticals, medical devices, quantum/electronics, advanced manufacturing and space, especially teams needing controlled research, manufacturing,…
Financial Health
StableStable
Location
HUNTER ACOUSTICS LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides acoustic consultancy services including environmental noise assessments, architectural and room acoustics advice, sound insulation testing, noise and vibration monitoring, noise modelling,…
Serves UK project teams and organisations in residential, education, healthcare, industrial, office and commercial, hotel and leisure, and performance/studio sectors, including developers,…
Financial Health
WeakWeak · -11% CAGR over 3y
Location
APPLIED TORQUE SYSTEMS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsSupplies torque tools and related equipment, including torque wrenches, multipliers, hydraulic bolting tools, and accessories. Provides torque tool calibration, servicing, repair, and hire, and sells…
Serves B2B engineering, manufacturing, construction, energy and maintenance teams using industrial bolting and torque tools, including workshops, plant operators and contractors needing calibrated…
Financial Health
StableStable · Hiring · 5% CAGR over 2y
Location
Greenbuild Consult Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides sustainability and environmental consultancy for building projects, including BREEAM and other environmental assessments, energy and sustainability statements for planning, SAP and SBEM…
Serves B2B and public-sector clients involved in building projects, including property developers, contractors, architects, education bodies, universities and care or housing developers seeking…
Financial Health
HealthyHealthy · Hiring · 8% CAGR over 5y
Location
2 Degrees Kelvin Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides engineering consultancy and technical services for utility‑scale solar photovoltaic projects, including design and development advisory, construction management, inspection and testing,…
Serves B2B clients involved in utility-scale solar PV assets, including developers, asset owners, investors, EPC/construction partners and operators across design, construction, commissioning,…
Financial Health
StrongStrong · Growing, Hiring · 34% CAGR over 3y
Location
Cardiff Scintigraphics Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides pharmaceutical imaging services using gamma scintigraphy to track drug and medical device deposition in the body. Supports clinical studies and product development for inhaled, oral and…
Serves pharmaceutical developers, formulation teams, medical device developers and clinicians involved in inhaled, oral, nasal and targeted drug delivery, including sponsors of clinical studies…
Financial Health
WeakWeak · -2% CAGR over 5y
Location
PHH Energy Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
SAFE TEST WALES 2019 LTD
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable
Location
S J DANIEL ENGINEERING SERVICES LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
GLOBAL COMPLIANCE AND REGULATORY SERVICES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides regulatory compliance services for cosmetics and personal care products, including safety assessments, product registration, testing coordination, regulatory documentation, auditing, and…
Serves cosmetics and personal care businesses, including beauty brands, manufacturers, retailers and labs, selling or launching products across the UK, EU, US, MENA, APAC and other international…
Financial Health
StrongStrong · Hiring · 22% CAGR over 4y
Location
KUBAGEN LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · -68% CAGR over 4y
Location
C E S (South Wales) Limited
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsProvides domestic asbestos surveying, identification, management and removal services. Conducts property inspections, produces survey reports, and safely removes and disposes of asbestos-containing…
Serves homeowners and domestic property owners needing asbestos identification, surveying, management or removal across Newport and South Wales.
Financial Health
HealthyHealthy · 0% CAGR over 1y
Location
ANAESTHETIC SERVICES UK LIMITED
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsSupplies, services and reconditions anaesthetic vaporizers for medical and veterinary use. Provides vaporizer testing, maintenance and conversions, and sells veterinary anaesthesia equipment,…
Sells to veterinary practices, from individual clinics to large groups, and medical-sector customers needing anaesthetic vaporizers and related equipment servicing. Serves both veterinary and…
Financial Health
DistressedDistressed
Location
OCUAIR LIMITED
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · -71% CAGR over 4y
Location
BIOCIDE CONSULT LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · -68% CAGR over 4y
Location
Worksafepat Testing Services Ltd
Trajectory
1y · 2024–NowFinancial Health
Insufficient historyInsufficient history
Location
MRC SITE SERVICES LIMITED
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
DistressedDistressed
Location
D.C. DAYLIGHT LTD.
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · Hiring · 50% CAGR over 4y
Location
Anomia Ltd
Trajectory
4y · 2021–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
WeakWeak · 0% CAGR over 3y
Location
AQUA ALARM UK LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
WeakWeak · 0% CAGR over 3y
Location
Hiw Services Limited
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
Nimbus Analytics Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong
Location
GEODYNAMICS LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · -16% CAGR over 4y
Location
LG INSPECTION SERVICES (UK) LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
Maine Inspection Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
PHH Analytical Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · Hiring · 41% CAGR over 4y
Location
Eppm Solutions Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
PRANAAV TECHNOLOGIES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
TMS Environmental Ltd
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides environmental consultancy, monitoring and laboratory analysis services. Conducts testing of soil, water, air, waste and gases, as well as odour, noise and occupational hygiene monitoring,…
Serves regulated businesses, developers and public-sector bodies needing environmental compliance support, including waste, pharmaceutical, industrial, construction and infrastructure organisations…
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 3y
Location
Lux-TSI Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides laboratory testing and compliance services for lighting products, including photometric testing, LED performance evaluation, CE marking support, and certification to relevant standards for…
Serves lighting and LED product manufacturers worldwide, particularly businesses requiring accredited testing, CE marking, compliance and certification for lighting products.
Financial Health
DistressedDistressed · -20% CAGR over 2y
Location
BRIDGEND ASBESTOS SERVICES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides asbestos inspection and testing services including asbestos surveys, material sampling and analysis, air monitoring, four‑stage clearance testing, asbestos removal, and asbestos management…
Serves homeowners, tenants, dutyholders and contractors, as well as housing associations, hotel chains and large industrial operators across South Wales and surrounding areas.
Financial Health
HealthyHealthy · Hiring · 15% CAGR over 4y
Location
NSF WALES LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides product testing, evaluation and certification to public health and safety standards. Operates laboratories and conducts audits, research and technical analysis, and offers consulting and…
Serves businesses, government agencies and water suppliers needing testing, certification, product evaluation and analysis, particularly in food and beverage, water systems, life sciences, nutrition…
Financial Health
StableStable · -89% CAGR over 2y
Location
South Wales Ground Testing Ltd
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides ground investigation and geotechnical testing services for construction and civil engineering projects, including dynamic sampling and probing, plate load testing, diamond coring, California…
Sells to construction and civil engineering businesses needing site investigation and ground testing, including contractors, developers and engineering professionals, with a local focus implied in…
Financial Health
HealthyHealthy · Hiring · 8% CAGR over 2y
Location
Allied Aerosystems Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides calibration, maintenance and repair of test and measurement equipment, including electrodynamics, mechanical and thermodynamic instruments. Also designs and supplies ground support…
Serves business customers that use test and measurement equipment, including organisations in aerospace, engineering, automotive, telecommunications, power generation and manufacturing needing…
Financial Health
StrongStrong · Growing, Hiring · 10% CAGR over 2y
Location
Cardiff Pat Test Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides portable appliance testing (PAT) services for workplace electrical equipment, inspecting and testing appliances to meet safety regulations. Also carries out electrical repairs and…
Serves public and private sector organisations in South and Mid Wales, plus UK branch networks, across construction, housing, retail, manufacturing and pharmaceuticals, from small businesses to…
Financial Health
StrongStrong · 0% CAGR over 2y
Location
Macmillan Power Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides high- and low-voltage electrical power distribution engineering services, including inspection and maintenance of HV equipment, protection relay testing and commissioning, fault…
Serves UK businesses and organisations that operate high- and low-voltage electrical power distribution infrastructure, including facilities, industrial sites and owners of switchgear, transformers…
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
SJJ SYSTEM SERVICES LTD.
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides service, repair, maintenance and calibration for environmental test chambers and systems, including temperature, humidity and vacuum chambers. Also performs upgrades, refrigeration…
Serves businesses and laboratories using environmental test chambers, including pharmaceutical organisations, manufacturers, and product testing teams needing support for temperature, humidity,…
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 2y
Location
VECTOR COMPLIANCE LTD
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides building health and safety compliance services including LEV testing, indoor air quality monitoring, ventilation hygiene, legionella risk assessments and water sampling, fire risk…
Serves businesses and building duty holders in the South West of England and Wales, including organisations responsible for workplace, commercial, leisure or residential building compliance.
Financial Health
StrongStrong · Growing, Hiring · 33% CAGR over 1y
Location
Environmental Compliance Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides environmental consultancy and monitoring services, including planning and permitting support, environmental impact assessments, air quality and emissions testing, noise monitoring and…
Serves UK and international businesses with environmental regulatory and workplace safety obligations, including industrial operators, waste and landfill sites, developers, remediation projects and…
Financial Health
StrongStrong · Growing, Hiring · 4% CAGR over 3y
Location
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How Cardiff TIC companies work and how to sell to them
What they do
Cardiff TIC providers usually earn revenue from repeat technical work rather than one-off software-style licences. Calibration, routine inspection and surveillance contracts are often priced per visit, asset, sample, test or certificate, with annual or multi-year arrangements where customers need continuing evidence for audits. Project work, such as pre-handover inspection, conformity assessment support or environmental monitoring, tends to be scoped around site complexity, travel, reporting and specialist equipment. The core product is an independent judgement: a test result, inspection finding, calibration record or certificate that a customer can place in its compliance file. Delivery depends on accredited processes, qualified staff, equipment control and report turnaround.
Who they sell to
Most buyers are organisations with physical assets, regulated products or contractual assurance duties: manufacturers, construction and infrastructure contractors, facilities operators, environmental service users and public bodies. The budget holder is often split between a quality manager, engineering lead, compliance owner, estates team or procurement function, so sales cycles can look practical rather than executive-led. Smaller jobs may be booked directly by site teams from approved supplier lists; larger inspection or certification programmes tend to pass through tendering, framework agreements or formal RFPs. Typical evaluation criteria are accreditation scope, assessor availability, turnaround time, evidence format, liability cover and experience with the buyer's asset class or regulatory context.
What they buy
Most TIC firms tend to spend on systems that protect traceability and utilisation. Relevant categories include quality management software, laboratory information management, calibration and asset registers, field-service scheduling, document control, electronic signatures, CRM, finance and billing, and workflow tools for corrective actions. Technical teams may also buy cloud hosting, cyber security, data capture hardware, specialist measuring equipment, equipment maintenance, fleet services and safety kit. Outside technology, common needs include accreditation consultancy, legal support for liability and contracts, accountancy, tender-writing help, technical recruitment, training and marketing aimed at regulated industries. Sellers should expect scrutiny around audit trails, access controls, reporting formats and the cost of change.
Why and how to sell to them
Buying triggers usually follow operational strain rather than broad digital ambition. A new accreditation scope, a corrective-action deadline after audit, a large tender win, a move into a new technical specialism, senior quality or operations hires, or pressure on report turnaround can all create room for external vendors. Cardiff TIC buyers tend to respond to pitches that connect directly to evidence quality, assessor productivity, repeatable reporting and lower rework. Generic growth messaging is less useful than showing how a tool or service fits controlled procedures without disrupting accreditation obligations. For outbound, useful signals include new approvals, recruitment for assessors or lab roles, procurement notices and expansion into adjacent inspection or testing categories.
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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