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TIC Companies in the UK: 6,500+ Active Firms (2026)
Testing, inspection and certification companies assess products, systems and processes for conformity, safety and quality across the UK.
Buying centres tend to sit with quality, compliance, engineering and procurement teams rather than general operations. Work is usually sold to regulated manufacturers, infrastructure operators, importers, construction groups and public bodies that need evidence for customers, auditors or market access. Engagements range from laboratory schedules and calibration programmes to site inspections, management-system audits and certification cycles, often under framework agreements or repeat purchase orders. The commercial pattern is therefore less like advisory consulting and more like controlled technical production: competence has to be evidenced, methods documented, independence protected and findings defensible if a product, facility or supplier is challenged.
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The UK cohort contains 6,501 actively trading TIC firms, ranging from specialist laboratories and inspection consultancies to multi-site assurance groups. Reported headcount stands at 6,178, which gives the sector a visible employment footprint even though many operators remain service-line specialists rather than broad assurance platforms. The structure is fragmented: local technical competence matters for inspections and calibration, while regulated supply chains and exporters tend to favour providers that can evidence impartiality, audit trails and recognised accreditation across repeat work.
Conformity assessment sits close to public policy because accreditation is used to establish that assessors are competent. GOV.UK describes third-party accreditation as "checking the checkers"; in practice, government policy says organisations seeking accreditation in the UK should use the country’s appointed national accreditation body, and that government recognises its accreditation for UK-operating organisations. Product conformity adds another layer. UKCA and CE regimes determine when testing, inspection or certification is needed before goods can be placed on a market, while OPSS guidance sets out the appointment route for Approved Bodies in Great Britain and UK Notified Bodies in Northern Ireland.
Consolidation appears more likely around capability gaps than pure geography: buyers tend to want accredited scope, sector experience and response capacity, while sellers need enough technical staff to keep utilisation and audit readiness in balance. Smaller specialists may remain viable where expertise is narrow, local access matters or equipment is costly to replicate. Scale-up scarcity is likely to persist because accreditation, impartiality requirements and technical sign-off constrain how quickly services can be added. The market therefore looks more incremental than cyclical, with growth tied to regulation, export documentation, ageing infrastructure and customer audit pressure rather than discretionary spending alone.
6,501
Active firms
2026
260
Higher-turnover firms
Turnover above £5M
900
Recent incorporations
Incorporated since 2022
Key facts
About 3% of the trading cohort reports turnover above £5M (260 of 6,501 firms) — the rest sits below that revenue band.
13% of the cohort was incorporated since 2022 (900 firms), so a sizeable share is in its first few filing cycles.
UKAS is the sole UK National Accreditation Body under the Accreditation Regulations 2009, and government policy recognises UKAS accreditation for organisations operating in the UK.
UKCA and CE regimes cover more than 20 product types, with sector-specific rules determining whether third-party assessment and marking are required.
OPSS appoints conformity assessment bodies as Approved Bodies for Great Britain or UK Notified Bodies for Northern Ireland, typically following UKAS accreditation.
One market-research source says the UK accounted for 4.5% of the global testing, inspection and certification market in 2025, and projects the US to lead global revenue in 2033.
Testing is generally reported as the largest service line, while certification is commonly identified as the faster-growing service segment.
Top UK TIC companies
SGS Group (North) Ltd
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides testing, inspection and certification services for products, materials and systems. Operates laboratories and inspection programmes to verify quality, safety, performance and regulatory…
Serves businesses and public-sector bodies across sectors including natural resources, industrial facilities, data centres, connectivity products, apparel, footwear and textiles.
Financial Health
StrongStrong · Growing, Hiring · 33% CAGR over 2y
Location
AMSPEC LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides testing, inspection and certification services for commodities and industrial products including energy, agriculture, chemicals, metals and consumer goods. Operates laboratories and field…
Serves B2B customers across energy, agriculture, chemicals, consumer products, environmental testing, infrastructure, marine, and metals and minerals sectors, including companies needing product…
Financial Health
StableStable · Profitable, Hiring · 6% CAGR over 2y
Location
QAI SERVICES LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides third‑party product testing, inspection and certification services for manufacturers and retailers, including electrical safety, EMC compliance, building materials, plumbing and fire…
Serves manufacturers, retailers and product suppliers across electrical, building products, plumbing, factory-built structures, RV/trailer, solar, semiconductor and materials sectors.
Financial Health
HealthyHealthy · Profitable · 3% CAGR over 2y
Location
Comech Metrology Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides UKAS‑accredited calibration services for measurement and test equipment, including torque, electrical, dimensional, pressure, force, mass, and temperature instruments. Offers on‑site…
Serves UK organisations in rail and transport, aerospace, engineering and manufacturing, automotive, food and beverage, utilities, civil engineering and defence, including teams managing compliant…
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 4y
Location
AEGIS CERTIFICATION SERVICES LTD
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsProvides accredited inspection, certification and conformity assessment services for the railway industry, including safety and interoperability assessments of rail infrastructure, rolling stock and…
Serves rail industry organisations, including operators, infrastructure owners, rolling stock manufacturers, plant service providers and project teams needing inspection or certification across the…
Financial Health
StrongStrong · -1% CAGR over 3y
Location
FORCE TECHNOLOGY LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides engineering consulting, testing, inspection and certification services. Operates laboratories and facilities for materials analysis, non‑destructive testing, acoustics, calibration and…
Serves businesses and organisations in biotech, pharma, medical devices, defence, space, wind energy, oil and gas, maritime, infrastructure, manufacturing and energy, including firms focused on…
Financial Health
StrongStrong · Growing, Hiring · 17% CAGR over 4y
Location
TENTAMUS UK LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsOperates a network of scientific testing laboratories providing chemical, microbiological and molecular analysis of food, water, pharmaceuticals, cosmetics, dietary supplements and medical devices.…
Serves businesses in food and beverage, water, pharmaceuticals, cosmetics and personal care, dietary supplements, medical devices, biocides, agroscience and related sectors, from startups to global…
Financial Health
WeakWeak · -76% CAGR over 3y
Location
United Kingdom Testing & Certification Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides fire testing, inspection and certification services for construction materials and passive fire protection products. Conducts resistance and reaction‑to‑fire tests on doorsets, walls,…
Serves B2B manufacturers of construction products and passive fire materials across the UK, including suppliers of doorsets, walls, partitions, glazing, seals, architectural hardware and related…
Financial Health
StrongStrong · Growing, Hiring · 54% CAGR over 4y
Location
R & A Kay Inspection Services Limited
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsProvides engineering inspection services for industrial assets including pressure systems, storage tanks, lifting equipment and civil structures. Conducts non‑destructive testing and statutory…
Serves industrial operators and blue-chip organisations in onshore oil and gas, petrochemicals, industrial gases, chemicals, utilities and power generation, across UK and international sites.
Financial Health
StableStable · Profitable · -27% CAGR over 1y
Location
SATRA TECHNOLOGY CENTRE LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides research, testing and certification services for footwear, PPE, furniture, flooring and leather products. Operates laboratories for physical and chemical testing, develops test equipment and…
Serves B2B manufacturers, retailers and supply-chain organisations in footwear, leather goods, PPE, furniture, floor coverings and consumer products, including companies needing product compliance,…
Financial Health
StableStable · -6% CAGR over 2y
Location
ALS LABS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides laboratory testing, inspection and analytical services for environmental samples, food and agriculture products, mining and commodities, pharmaceuticals, and industrial materials, including…
Serves B2B and public-sector customers in environmental, water, mining, food and agriscience, pharmaceutical, healthcare, personal care, and industrial equipment sectors, including operators,…
Financial Health
StableStable · -6% CAGR over 2y
Location
NSF HEALTH SCIENCES LTD.
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides public health standards development, product testing, auditing and certification services through accredited laboratories. Offers consulting and training to businesses in sectors including…
Serves B2B brands and businesses in food and beverage, water systems, life sciences, nutrition and wellness, and transportation, with stakeholders including retailers and regulators.
Financial Health
StableStable · -91% CAGR over 2y
Location
SAYBOLT UNITED KINGDOM LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides independent inspection and testing services for crude oil, petroleum products and marine fuels, including cargo inspection, quantity verification, sampling and laboratory analysis to assess…
Serves energy-sector businesses and public/institutional clients involved in crude oil, petroleum products, marine fuels, LNG/LPG and biofuels, including refineries, terminals, traders and cargo…
Financial Health
HealthyHealthy · 3% CAGR over 2y
Location
Cormica Bradford Limited
Trajectory
1y · 2024–NowProvides analytical, microbiological and physical testing services for pharmaceutical, medical device and combination products, including method development, sterility testing, materials…
Serves pharmaceutical, medical device and combination product manufacturers, particularly R&D, quality and regulatory teams managing development, product release and post-market surveillance.
Financial Health
Insufficient historyInsufficient history
Location
NSF SAFETY AND QUALITY UK LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides testing, auditing, certification and consulting services for food, water, health and consumer products. Develops public health standards and operates laboratories that assess product safety,…
Serves businesses and brands in food and beverage, water systems, life sciences, nutrition and wellness, transportation and environmental sectors, plus retailers and regulators seeking certification…
Financial Health
WeakWeak · -90% CAGR over 2y
Location
European Instruments Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides calibration and testing services for balances, scales, weights, pipettes and temperature equipment, including UKAS‑accredited calibration. Supplies weighing instruments, calibration weights,…
Serves B2B customers operating laboratories, quality-control departments and industrial weighing environments, including organisations needing accredited calibration, traceable test reports, and lab…
Financial Health
HealthyHealthy · Hiring · 6% CAGR over 2y
Location
THE TESTING LAB PLC
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides accredited laboratory testing and consultancy for asbestos, legionella, and geotechnical materials. Services include asbestos surveys and analysis, air monitoring, soil and construction…
Serves UK organisations needing environmental compliance, including property owners/managers, construction and demolition firms, facilities teams, employers and public-sector bodies responsible for…
Financial Health
HealthyHealthy · -52% CAGR over 5y
Location
AVON-DYNAMIC CALIBRATION LIMITED
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides UKAS-accredited calibration and dimensional measurement services for engineering equipment, including electrical, torque, pyrometry and interferometry calibration. Offers laboratory and…
Serves private and public organisations in military, aerospace, oil and gas, rail, medical, space and engineering sectors, from one-off equipment users to organisations outsourcing quality and…
Financial Health
HealthyHealthy · Hiring · 10% CAGR over 1y
Location
Interface NRM Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides accredited certification and verification services for management systems and supply chain standards, including ISO 9001, ISO 14001, ISO 45001 and ISO 14064, as well as FSC, PEFC and vehicle…
Serves businesses and organisations seeking accredited certification, including companies needing ISO 9001, ISO 14001, ISO 45001, ISO 14064, FSC, PEFC or VRAC standards, plus UK vehicle recyclers.
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 2y
Location
CCIC London Company Limited
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsProvides inspection, verification, testing and certification services for goods involved in international trade. Offers CCC certification support, food product compliance and testing, metals sampling…
Serves businesses, government departments, industry bodies and consumers involved in Sino-UK, Sino-EU and China trade, including food and drink companies, metals businesses, exporters and importers.
Financial Health
WeakWeak · -5% CAGR over 3y
Location
CURA TERRAE OH AND EMISSIONS TESTING LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides UKAS and MCERTS‑accredited stack emissions testing, calibration and validation of continuous emissions monitoring systems, occupational hygiene assessments, workplace air and noise…
Serves UK industrial operators and employers with regulated emissions or workplace exposure risks, including businesses needing permit compliance, CEMS support, COSHH, air or noise monitoring.
Financial Health
StableStable · Hiring · 29% CAGR over 5y
Location
YOUNG CALIBRATION LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides ISO 17025 UKAS‑accredited calibration, instrument verification, thermal fluid component testing, and particle cleanliness analysis. Offers laboratory and onsite calibration and testing…
Sells to businesses needing calibration, testing, and cleanliness services, particularly in aerospace, defence, manufacturing, automotive, biomedical, and engineering. Serves organisations requiring…
Financial Health
HealthyHealthy · Hiring · 9% CAGR over 2y
Location
Security Systems And Alarms Inspection Board
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides certification and auditing for companies that install or deliver security and fire safety services, including intruder alarms, CCTV, fire detection and alarm systems, security guarding, and…
Serves security and fire safety service providers seeking certification, plus homeowners, businesses, insurers, brokers, police, specifiers and purchasers looking for certificated suppliers across…
Financial Health
StrongStrong · Growing, Hiring · 5% CAGR over 2y
Location
Northern Balance Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides calibration, testing and maintenance services for laboratory and industrial weighing equipment, including UKAS and traceable calibrations. Also supplies, installs, repairs and hires…
Sells to B2B laboratory and industrial organisations in chemicals, food and drink, and life sciences, especially teams responsible for compliant, accurate weighing processes and equipment.
Financial Health
StableStable · 2% CAGR over 5y
Location
Inspec International Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides testing and certification services for personal protective equipment and quality management systems. Conducts proficiency testing programmes and supplies laboratory equipment used for…
Serves B2B manufacturers, suppliers and testing laboratories in personal protective equipment, plus organisations seeking quality management system certification and related proficiency testing.
Financial Health
DistressedDistressed · -6% CAGR over 2y
Location
LEISURE TECHNICAL CONSULTANTS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides inspection, testing and certification services for fairground and amusement park rides. Conducts annual in‑service examinations, pre‑use approvals, design reviews, non‑destructive testing,…
Sells to businesses in the fairground, amusement park and wider leisure industry, including ride operators, device manufacturers and stadium operators, as well as organisations needing independent…
Financial Health
HealthyHealthy · Growing · 1% CAGR over 4y
Location
FULKRUM TECHNICAL RESOURCES LTD AND ITS GROUP UNDERTAKINGS
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides inspection, expediting, auditing and technical staffing services for oil, gas and energy projects. Supports asset integrity management and supply chain oversight, delivering quality…
Serves B2B clients in oil and gas and renewables, including energy operators, project owners and contractors managing complex projects and supply chains across multiple countries.
Financial Health
HealthyHealthy · -54% CAGR over 4y
Location
Radnor Range Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides independent testing and evaluation of weapons, ordnance, munitions and explosives, including ballistic and blast trials, armoured vehicle and material testing, UN series and insensitive…
Serves defence and security organisations, including public-sector military customers, armoured vehicle and materials manufacturers, weapons and munitions developers, drone/counter-drone teams, and…
Financial Health
StrongStrong · Growing, Hiring · 14% CAGR over 2y
Location
LEISURE INDUSTRY LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides technical inspection, certification and consultancy services for fairground and amusement park rides, including annual in‑service examinations, pre‑use approvals, design review,…
Serves B2B leisure-sector clients including amusement parks, fairgrounds, ride operators, device manufacturers and stadium operators, in the UK and internationally. Also targets buyers needing ride…
Financial Health
StableStable · 0% CAGR over 2y
Location
SHIRLEY TECHNOLOGIES LIMITED
Trajectory
4y · 2019–NowFinancial sub-scores
Computed from 4 filingsProvides laboratory testing, certification and auditing services for textiles and related products, assessing compliance with BS, European and ISO standards. Conducts chemical and microbiological…
Sells primarily to textile industry businesses, including manufacturers, retailers and supply-chain organisations needing compliance with OEKO-TEX®, REACH and other standards. Also serves legal…
Financial Health
StableStable · Hiring · 3% CAGR over 4y
Location
Testex NDT Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides non-destructive testing and inspection services for industrial assets including tanks, pipelines, boilers, pressure vessels and heat exchangers. Uses techniques such as ultrasonic testing,…
Serves B2B industrial asset owners and operators across sectors with tanks, pipelines, pipework, boilers, pressure vessels, heat exchangers and related infrastructure in the UK and abroad.
Financial Health
StrongStrong · Growing, Hiring · 9% CAGR over 4y
Location
MICROSEARCH LABORATORIES LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides microbiological, nutritional, allergen and pathogen testing for the food and drink industry. Conducts laboratory analysis of food, water and environmental swab samples, including nutritional…
Sells to food and drink businesses needing laboratory analysis, including manufacturers, suppliers and retailers. Serves buyers requiring microbiological, nutritional, allergen and water testing,…
Financial Health
StableStable · -67% CAGR over 4y
Location
Bureau Technical Services Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides technical inspection, quality assurance and quality control services for engineering and energy projects. Offers vendor auditing, fabrication surveillance, non‑destructive and mechanical…
Serves B2B clients in the global energy sector and UK engineering industry, including organisations in oil and gas, renewable energy, petrochemical and nuclear, plus engineering firms needing…
Financial Health
HealthyHealthy · -26% CAGR over 2y
Location
IACS Consulting Ltd
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides inspection, testing and technical consultancy services for the oil, gas, petrochemical and energy sectors, including non‑destructive testing (NDT), quality assurance and control, vendor…
Targets major utilities, construction companies and operators in the oil, gas, petrochemical and renewable energy sectors, including organisations managing industrial assets and projects globally.
Financial Health
StrongStrong · Profitable, Growing, Hiring · 28% CAGR over 2y
Location
CASA ENVIRONMENTAL SERVICES LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides UKAS-accredited asbestos surveying, testing and analytical services, including management and refurbishment surveys, air monitoring, and bulk sample analysis. Also delivers asbestos…
Sells primarily to businesses and organisations needing asbestos, water hygiene and related compliance services, including property owners, facilities teams, contractors and marine operators across…
Financial Health
StrongStrong · Growing, Hiring · 28% CAGR over 2y
Location
Weldspec (Baku) ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides non-destructive testing and heat treatment services for industrial and energy projects. Conducts weld inspection, ultrasonic, radiographic, magnetic particle, dye penetrant and eddy current…
Serves major oil and energy companies, EPC contractors and fabrication project operators with onshore and offshore assets across the UK, Europe and the Middle East.
Financial Health
StableStable · -16% CAGR over 3y
Location
ACM GLOBAL CENTRAL LABORATORY LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides laboratory services for pharmaceutical clinical trials, including bioanalytical testing, biomarker and pharmacokinetic analysis, central laboratory testing, toxicology screening, and sample…
Serves pharmaceutical and biotech companies, clinical trial sponsors and research teams running global drug development programmes, plus healthcare providers needing toxicology and medication…
Financial Health
StrongStrong · Profitable, Growing, Hiring · 10% CAGR over 2y
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
Axiom Engineering Associates Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides engineering consultancy focused on asset integrity for industrial facilities. Services include inspection and non‑destructive testing, materials and mechanical engineering, process safety,…
Serves B2B industrial asset owners and operators in the chemical, bulk storage, energy, food, oil and gas, and pharmaceutical sectors across asset-intensive facilities.
Financial Health
HealthyHealthy · Hiring · 16% CAGR over 2y
Location
GEOLABS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides laboratory testing of soils, rocks and construction aggregates for geotechnical and civil engineering projects, including classification, strength, compaction, permeability and durability…
Serves B2B and public-sector geotechnical buyers, including civil engineering consultancies, ground investigation firms, construction and infrastructure contractors, and materials/aggregates…
Financial Health
HealthyHealthy · Growing, Hiring · 4% CAGR over 4y
Location
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
GLI UK Gaming Ltd
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsProvides testing, certification and compliance services for the gambling and gaming industry, including evaluation of casino systems, gaming machines, iGaming platforms and lotteries, plus…
Serves gambling and gaming sector organisations worldwide, including casino and iGaming operators, lottery operators, game and platform suppliers, tribal gaming bodies, and public-sector regulators.
Financial Health
StrongStrong · Growing, Hiring · 23% CAGR over 3y
Location
CANSFORD LABORATORIES LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides laboratory and point‑of‑care testing for drugs, alcohol, DNA and prescription medications, including hair, blood and nail analysis. Supplies analytical testing and expert witness reporting…
Serves family law and social work professionals, employers, government bodies, education providers, individuals and safety-sensitive sectors such as aviation, construction, maritime, transport,…
Financial Health
StrongStrong · Growing, Hiring · 34% CAGR over 5y
Location
The Iasme Consortium Limited
Trajectory
4y · 2020–NowFinancial sub-scores
Computed from 4 filingsProvides cyber security certification and assurance schemes for organisations, connected devices and maritime vessels. Delivers the UK NCSC Cyber Essentials and Cyber Advisor programmes, assesses…
Serves B2B, public sector and regulated-sector organisations of all sizes seeking cyber security certification and assurance, plus providers in the NCSC assurance ecosystem; also targets aviation,…
Financial Health
StrongStrong · Growing, Hiring · 36% CAGR over 5y
Location
MANCHESTER METROLOGY LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides industrial metrology services including 3D scanning, CMM inspection, laser tracker measurement, alignment and reverse engineering. Supplies and hires metrology equipment and software, and…
Serves B2B manufacturing and engineering firms in the UK and worldwide, including large-scale assembly, machining, forging/rolling mill and quality inspection teams needing metrology equipment and…
Financial Health
StableStable · 0% CAGR over 4y
Location
Metrology & Quality Services Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsSupplies precision metrology instruments and gauges through an online store and provides UKAS‑accredited calibration and testing services. Offers equipment including calipers, micrometers, height…
Sells to B2B customers in manufacturing, engineering and quality control, including workshops, inspection teams and calibration labs needing metrology instruments, gauges and UKAS calibration support.
Financial Health
HealthyHealthy · Growing · 2% CAGR over 4y
Location
Weld-Spec (Glasgow) Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides non‑destructive testing (NDT) and heat treatment services for industrial fabrication and energy projects. Services include visual weld inspection, ultrasonic and phased array testing,…
Serves B2B clients in the oil, gas and major fabrication sectors, including main oil companies and contractors on onshore and offshore projects across the UK, Europe and the Middle East.
Financial Health
DistressedDistressed · -25% CAGR over 2y
Location
APPROVED INSPECTORS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides building control services as a Registered Building Control Approver, assessing plans and carrying out site inspections to verify compliance with UK Building Regulations for residential and…
Serves a mix of domestic property owners and commercial clients, including developers, contractors, principal designers and agents involved in new dwellings, extensions, multi-occupancy, education,…
Financial Health
HealthyHealthy · Growing · 1% 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
DM Systems Group Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides calibration services for electrical, mechanical and dimensional test equipment through UKAS laboratories and on-site visits. Designs critical communications systems for defence and supplies…
Serves public-sector defence buyers, defence and aerospace contractors, UK manufacturers in sectors such as automotive, life sciences and pharmaceuticals, and telecoms professionals needing…
Financial Health
WeakWeak · -37% CAGR over 2y
Location
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How UK TIC companies work and how to sell to them
What they do
TIC firms usually earn revenue from repeat technical service lines rather than one-off advice. Laboratory testing may be priced per sample, method, batch or turnaround commitment; inspection work often uses day rates, site-visit charges and travel recovery; calibration tends to sit on planned schedules for named instruments or facilities. Certification and management-system audits add application fees, surveillance visits, renewal cycles and charges for scope changes. The deliverable is normally evidence: test reports, calibration certificates, inspection findings, audit records and conformity documentation. Margins depend on staff utilisation, equipment uptime, accreditation scope and the ability to keep methods, records and technical sign-off aligned across repeat work.
Who they sell to
Most TIC providers sell into quality, compliance, engineering, health and safety, procurement and technical assurance teams. Typical customers include regulated manufacturers, construction and infrastructure groups, utilities, importers, exporters and public-sector buyers that need defensible evidence before products, assets or suppliers can be accepted. Smaller jobs may be quote-led through technical contacts, particularly for routine tests or calibration. Larger accounts tend to involve procurement frameworks, supplier qualification, audits of the provider, insurance checks and documented impartiality controls. Sales cycles can be short where an urgent certificate is needed, but multi-site inspection, certification or outsourced laboratory contracts usually move through formal evaluation and renewal windows.
What they buy
Most TIC firms tend to spend on systems that protect traceability and throughput. Common software needs include laboratory information management, quality management, document control, audit workflow, field-service scheduling, asset and calibration management, customer portals, CRM, quoting, billing and management reporting. Security and access control matter where customer designs, regulated product files or public-sector work are handled. Services spend often covers accreditation support, legal review, insurance, finance, technical marketing, search visibility and recruitment for assessors, inspectors, laboratory staff and quality managers. Infrastructure buying can include laboratory equipment, metrology tools, sample logistics, mobile inspection devices, storage, cloud hosting and facilities work for controlled environments.
Why and how to sell to them
TIC buyers tend to evaluate suppliers when audit findings expose weak records, turnaround times slip, technical staff are hard to schedule, or accreditation scope changes create new evidence requirements. Other triggers include opening a laboratory, adding a regulated service line, winning a framework, replacing ageing field systems, or moving from local specialist work to multi-site delivery. Outbound messages usually land better when they refer to utilisation, traceability, audit readiness, certificate turnaround, evidence retention or conflict-of-interest controls rather than generic growth claims. The useful commercial angle is often risk reduction with measurable operational impact: fewer missed calibrations, cleaner document trails, faster quotations, less manual rekeying and clearer capacity planning.
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
How many TIC companies are there in the UK?↓
What counts as a TIC company in this list?↓
Which are the largest TIC companies in the UK?↓
What do TIC companies in the UK actually do?↓
How does UK TIC compare internationally?↓
How is this list built and how fresh is the data?↓
How big are the typical TIC companies in the UK?↓
Are these mostly new or established TIC companies?↓
What SIC codes does this use?↓
What buying signals should I look for?↓
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