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clinical research Using reCAPTCHA in the UK: 81 Active Firms (2026)
Clinical research companies using bot protection support studies and trial operations while protecting public web forms in the UK.
For clinical research providers, bot protection sits close to patient recruitment, investigator enquiries and sponsor-facing contact flows. It helps screen automated abuse before forms reach study teams, while allowing legitimate participants, sites and commercial partners to use public web routes. Adoption tends to signal a direct-channel posture: enough inbound activity to justify form controls, a web operations budget beyond brochureware, and a team used to balancing marketing, compliance and trial-support processes. In this sector, the control is less about consumer-scale traffic and more about keeping regulated communication channels usable.
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Across the UK, 81 actively trading clinical research firms are running the profiled bot-protection tool. Reported employment covers 1,338 staff, with headcount present at every firm where employment is reported (80 of 80, 100%). Within the security category for clinical-research websites, the tool ranks first at 83.5% on a base of 97. Adoption is tilted towards the South East at 28.4%, followed by London at 22.2%, the North West at 19.8%, the East of England at 9.9% and Scotland at 4.9%.
Clinical research involving investigational medicinal products sits under MHRA authorisation and the Health Research Authority/Research Ethics Committee route. CTIMP applications use Combined Review, with coordinated ethics and regulatory assessment and a UK decision. Sponsors also need a UK or approved-country presence, or a legal representative. Recent trial-rule changes put Combined Review into law and give public registration, results summaries and participant-friendly summaries legal force. For organisations running enquiry, participant or investigator forms, bot protection has to fit around consent wording, identity-sensitive contact flows, retention controls and audit expectations rather than operate as a standalone web-marketing control.
Adoption appears likely to remain tied to direct recruitment, sponsor-service sales and the volume of form spam hitting public trial-information pages. The cohort tends to look operationally mature but not uniformly enterprise-scale, so change is likely to be incremental: tighter consent journeys, closer scrutiny of external scripts, and more use of privacy-preserving bot checks where sponsor requirements or public-sector procurement favour them. Supplier bundling may also matter, as security controls are often bought through website, hosting or managed-service relationships rather than through a separate clinical-operations budget.
81
Active firms
2026
83.5%
Of detected Security share
UK clinical research
6
Median headcount
Filed accounts
189
Verified contacts
Across this cohort
Key facts
About 7% of the trading cohort reports turnover above £5M (6 of 81 firms) — the rest sits below that revenue band.
9% of the cohort was incorporated since 2022 (8 firms), so a sizeable share is in its first few filing cycles.
Among 97 clinical-research firms with a detectable security system, this bot-protection tool appears on 83.5% (81); the next detected alternative is at 6.2% (6).
The South East accounts for 28.4% (23) of clinical-research firms running this bot-protection tool, ahead of London at 22.2% (18) and the North West at 19.8% (16).
Website stacks skew towards public-form and content-led setups: 77.8% (63) also run a content-management platform, 63.0% (51) web analytics and 42.0% (34) a tag-management tool.
Regulatory work is shaped by MHRA authorisation and combined review for CTIMP studies; reforms in force from 28 April 2026 make public registration and results summaries within 12 months legal requirements.
UK pharmaceutical interventional commercial trials initiated rose from 426 in 2023 to 578 in 2024, a 35.7% increase, while recruitment fell to 19,092 patients in 2024/25.
Security market share among UK clinical research
What else do reCAPTCHA-running clinical research run?
Share of the 81 reCAPTCHA-running UK companies where each technology was also detected. As of June 2026.
Where reCAPTCHA clinical research are, and how healthy they look
By region
By registered-office region; companies without a regional match count toward Rest of UK.
By financial health
From filed accounts; firms with fewer than two filings show as insufficient history.
6
Median headcount
£677.5k
Median UK turnover
7.4%
Above £5M turnover
8
Incorporated since 2022
189 verified decision-maker contacts
across these 81 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK clinical research using reCAPTCHA
Ranked by sales-readiness score: an AI model assesses what each company does, its sector and size, and scores its overall fit. Best-fit prospects appear first.
MAC CLINICAL RESEARCH FINANCE LTD
Financial sub-scores
Computed from 5 filingsProvides contract research organisation services for pharmaceutical and biotechnology companies, managing and conducting clinical trials through dedicated research sites. Services include project…
Serves pharmaceutical and biotechnology companies, including global clinical trial sponsors, seeking CRO support across drug development phases and therapeutic areas.
Financial Health
StableStable · -63% CAGR over 4y
Location
Pharmexcel Ltd
Financial sub-scores
Computed from 5 filingsProvides contract research services for clinical trials, including Phase I–IV study management and oversight. Works with biopharma and medical device companies, universities, and NHS organisations to…
Targets clinical trial sponsors in the NHS, universities, biopharma and medical device sectors, including organisations running Phase I-IV, ATMP, rare disease and device studies.
Financial Health
StrongStrong · Growing, Hiring · 5% CAGR over 4y
Location
Pharmalys Limited
Financial sub-scores
Computed from 5 filingsProvides contract research services for clinical studies, including trial design and management, clinical monitoring, regulatory affairs, medical safety, data management and biostatistics. Also…
Serves life sciences and global health organisations running human health research, including clinical trial sponsors across Europe and Sub-Saharan Africa, plus clinical research professionals and…
Financial Health
StableStable · Hiring · 48% CAGR over 4y
Location
QRC Consultants Limited
Financial sub-scores
Computed from 5 filingsProvides consultancy services to biotechnology and pharmaceutical companies involved in clinical drug development, including quality systems management and audits, regulatory affairs support, and…
Serves biotechnology and pharmaceutical companies developing clinical-stage drugs, particularly teams managing Phase I–IV clinical trials, regulatory affairs, quality systems and agency interactions.
Financial Health
HealthyHealthy · 1% CAGR over 4y
Location
Lambda Therapeutic Limited
Financial sub-scores
Computed from 3 filingsProvides contract research services for pharmaceutical and biotechnology companies, including clinical trial management (Phase I–IV), regulatory affairs, biostatistics and data management,…
Serves biotech and pharmaceutical companies, including clinical development, regulatory, medical affairs and pharmacovigilance teams managing early-stage through Phase II-IV therapy programmes across…
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
Caritas Bioscience Ltd
Financial sub-scores
Computed from 5 filingsProvides clinical research organisation (CRO) services for pharmaceutical and biotechnology studies, including clinical trial design, protocol development, regulatory and ethics submissions,…
Serves healthcare and life sciences organisations running clinical trials, particularly small pharma and biotech companies seeking CRO support from clinical operations leaders, study teams and…
Financial Health
WeakWeak · -24% CAGR over 4y
Location
Financial sub-scores
Computed from 4 filingsProvides contract research services for biotechnology and pharmaceutical companies, supporting clinical development from Phase I–III trials to post‑authorisation and real‑world evidence studies, and…
Serves biotechnology and pharmaceutical companies, particularly clinical development and outsourcing teams running Phase I–IV studies across dermatology, internal medicine, neuroscience, oncology and…
Financial Health
WeakWeak · -6% CAGR over 3y
Location
Provides contract research services for pharmaceutical and biotechnology companies, including clinical trial management across Phase I–III, early‑stage drug development consultancy, central…
Serves global pharmaceutical and biotechnology sponsors running early to late phase clinical studies, particularly in rare diseases, oncology, CNS, respiratory, and addiction research.
Location
Financial sub-scores
Computed from 3 filingsProvides clinical trial support services and technology, including clinical operations, site support, data management, biostatistics, and medical writing. Also delivers drug safety and…
Serves pharmaceutical, biotech and medical research organisations running clinical trials, plus clinical sites and institutions needing IRB, biosafety and pharmacovigilance support.
Financial Health
HealthyHealthy · Hiring · 123% CAGR over 2y
Location
Provides contract research organisation services to pharmaceutical, biotechnology and medical device companies, including clinical trial management, clinical pharmacology studies, data management,…
Serves biopharma, pharmaceutical, biotechnology and MedTech companies worldwide, including teams developing drugs, devices and diagnostics across Phase I–IV clinical programs and post-approval…
Location
OPIS ON PHARMACEUTICAL INDUSTRY SERVICE UK LTD
Financial sub-scores
Computed from 5 filingsProvides contract research organisation services for pharmaceutical, biotechnology and medical device companies, including clinical trial design and management, regulatory support, data management,…
Serves international pharmaceutical, biotechnology, medical device and nutraceutical companies sponsoring clinical studies, including teams running multi-country interventional and non-interventional…
Financial Health
StrongStrong · Hiring · 12% CAGR over 4y
Location
Bioluminux Ltd
Financial sub-scores
Computed from 4 filingsOperates clinical research investigator sites conducting clinical trials for pharmaceutical companies and contract research organisations. Recruits and manages study participants, collects clinical…
Serves pharmaceutical companies and CROs globally as clinical trial sponsors, while also engaging patients with relevant conditions, local communities, and GMC-registered doctors seeking…
Financial Health
HealthyHealthy · Hiring · 31% CAGR over 3y
Location
ORMEAU CLINICAL TRIALS LIMITED
Financial sub-scores
Computed from 5 filingsConducts and manages clinical trials for pharmaceutical and medical research. Recruits and monitors study participants, follows trial protocols, ensures participant safety, and collects clinical data…
Serves a mix of B2B and B2C customers: pharmaceutical and clinical trial industry organisations needing investigative site support, and individuals interested in participating in clinical trials.
Financial Health
StableStable · -55% CAGR over 4y
Location
ST. Pancras Clinical Research
Financial sub-scores
Computed from 5 filingsConducts clinical research and runs clinical trials focused on Alzheimer’s disease, chronic pain conditions and diabetes. Recruits and manages study participants and works with pharmaceutical or…
Serves corporate clinical trial sponsors and research participants involved in Alzheimer’s disease, chronic pain and diabetes studies.
Financial Health
HealthyHealthy · Hiring · 4% CAGR over 4y
Location
ICON RESEARCH LIMITED
Financial sub-scores
Computed from 5 filingsProvides outsourced clinical research and development services for pharmaceutical, biotechnology and medical device companies, including clinical trial management, laboratory services, regulatory…
Serves pharmaceutical, biotechnology and medical device companies, as well as government and public health organisations involved in clinical research, drug development and therapeutic evidence…
Financial Health
StableStable · -70% CAGR over 4y
Location
Navitas BI Limited
Financial sub-scores
Computed from 5 filingsProvides contract research services to pharmaceutical, biotech and medical device organisations, including clinical trial management, bioavailability and bioequivalence studies, regulatory affairs…
Serves pharma, biotech and medical device sponsors worldwide, alongside government health agencies and non-profit foundations needing clinical, regulatory, pharmacovigilance, data and advisory…
Financial Health
HealthyHealthy · -17% CAGR over 4y
Location
Navitas Life Sciences Holdings Limited
Financial sub-scores
Computed from 5 filingsProvides contract research services to pharmaceutical and biotechnology companies, including clinical trial management, bioavailability and bioequivalence studies, regulatory affairs support,…
Serves pharmaceutical, biotech and medical device sponsors worldwide, plus government health agencies and non-profit foundations involved in clinical development, regulatory, pharmacovigilance, data…
Financial Health
StrongStrong
Location
CRO Solutions Ltd
Financial sub-scores
Computed from 3 filingsProvides contract research services for clinical trials, including clinical project management, protocol writing, site monitoring, data management, pharmacovigilance, biostatistics, medical writing,…
Serves biotech and pharmaceutical companies, particularly clinical operations and research teams running early-phase clinical trials and drug development studies.
Financial Health
WeakWeak · -13% CAGR over 2y
Location
Arithmostech Ltd
Financial sub-scores
Computed from 5 filingsProvides consulting, technology implementation and outsourcing services for life sciences and pharmaceutical organisations, including pharmacovigilance and safety operations, regulatory affairs,…
Serves pharmaceutical and life sciences companies, particularly R&D, regulatory, safety/pharmacovigilance, clinical development and quality/compliance teams operating in GxP-regulated environments.
Financial Health
StableStable · Hiring · 34% CAGR over 4y
Location
BDD Pharma Ltd
Financial sub-scores
Computed from 3 filingsProvides contract research and development services for pharmaceutical companies, including oral drug formulation development, biopharmaceutics studies, GMP manufacturing of clinical trial materials,…
Serves pharmaceutical and biotech companies developing oral drug products, especially early-stage programmes needing integrated formulation, GMP manufacturing and Phase I clinical trial support.
Financial Health
StableStable · Hiring · 11% CAGR over 2y
Location
Provides data analytics, technology platforms and contract research services for life sciences and healthcare organisations, including clinical trial management, real‑world health data analysis,…
Serves global life sciences and healthcare organisations, including pharmaceutical manufacturers, emerging biopharma, medtech, generics and consumer health companies, plus payers, providers,…
Location
Provides data analytics, technology platforms, and contract research services for pharmaceutical, biotechnology, and healthcare organisations, including clinical trial management, real‑world health…
Serves life sciences and healthcare organisations, including pharmaceutical manufacturers, emerging biopharma, generics, MedTech and consumer health companies, plus payers, providers, government…
Location
Provides data analytics, technology platforms and consulting services to pharmaceutical, biotechnology and healthcare organisations, including clinical trial management, real‑world health data…
Serves B2B and public-sector customers in life sciences and healthcare, including pharmaceutical manufacturers, emerging biopharma, generics, MedTech, consumer health firms, payers, providers,…
Location
ESMS GLOBAL LIMITED
Financial sub-scores
Computed from 5 filingsProvides 24/7 multilingual medical information and support services for pharmaceutical clinical trials and approved products, including emergency unblinding, serious breach reporting, patient…
Serves R&D and clinical operations teams at global pharmaceutical, biotech, medical device and SaMD companies, plus clinical trial units working with participants, investigators, patients and carers.
Financial Health
HealthyHealthy · 7% CAGR over 3y
Location
M B Consultants (Cambridge) Limited
Financial sub-scores
Computed from 3 filingsProvides drug development consultancy services to pharmaceutical, biotechnology and academic organisations, including regulatory affairs support, clinical operations, biostatistics, medical and…
Serves pharmaceutical and biotech companies, university spin-outs and academic research groups developing medicinal products, including teams seeking regulatory, clinical or investor-readiness…
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
Financial sub-scores
Computed from 5 filingsDevelops a digital research platform that builds consented patient cohorts and collects real‑world health data. Combines electronic health records, clinical outcomes and patient‑reported data to…
Serves life science companies, clinical researchers, healthcare institutions and patient organisations seeking access to consented patient cohorts and health data for research, with patients and…
Financial Health
HealthyHealthy · Hiring · 32% CAGR over 4y
Location
PLUS-PROJECT LTD
Financial sub-scores
Computed from 5 filingsProvides biostatistics and statistical programming services for clinical research and pharmaceutical studies. Offers functional service provision, project-based resourcing, statistical analysis,…
Serves life sciences businesses, including pharmaceutical, biotech and clinical research organisations, needing biostatistics and programming support for clinical trials across therapeutic areas…
Financial Health
HealthyHealthy · Hiring · 26% CAGR over 4y
Location
COHORT SCIENCE LIMITED
Financial sub-scores
Computed from 4 filingsDevelops a research platform that builds consented patient cohorts through healthcare partners, enabling life science companies and researchers to recruit participants and access electronic health…
Serves life science companies and researchers, plus healthcare institutions and professionals, seeking patient cohorts and real-world evidence for clinical research. Also engages patients and…
Financial Health
HealthyHealthy
Location
S-CUBED BIOMETRICS LIMITED
Financial sub-scores
Computed from 5 filingsProvides consulting and contract research services to pharmaceutical and biotechnology companies, including biometrics, biostatistics, SAS statistical programming, data management and analysis for…
Serves pharmaceutical and biotech companies developing clinical-stage or marketed medicinal products, including teams responsible for clinical research, regulatory submissions, biometrics, quality…
Financial Health
StableStable · -64% CAGR over 4y
Location
PHARMALAX LIMITED
Financial sub-scores
Computed from 3 filingsProvides consulting and outsourcing services to pharmaceutical, biotechnology and medical device companies, including regulatory affairs, clinical development support, pharmacovigilance, market…
Serves B2B clients in the pharmaceutical, biotech, consumer health and medical device sectors, including companies needing support across R&D, regulatory, market access, pharmacovigilance and…
Financial Health
StableStable · Hiring · 5% CAGR over 2y
Location
BASELINE PLUS LIMITED
Financial sub-scores
Computed from 5 filingsDevelops software platforms for collecting and managing real‑world clinical research data. Provides electronic data capture, eConsent and survey tools supporting observational studies, post‑approval…
Serves life science and clinical research organisations globally, including biotech and pharmaceutical companies, CROs, MedTech firms, patient advocacy groups and academic researchers conducting…
Financial Health
StableStable · 0% CAGR over 4y
Location
ABS LABORATORIES HOLDINGS LIMITED
Provides laboratory testing services for pharmaceutical clinical trials, including bioanalytical analysis, biomarker and pharmacokinetic testing, central lab sample management, and toxicology…
Serves pharmaceutical and biotech companies, CROs and clinical trial sponsors running global drug development programmes, plus healthcare providers, laboratories and employers needing toxicology and…
Financial Health
Insufficient historyInsufficient history
Location
G&L Scientific
Provides regulatory affairs, quality assurance, and product development consulting for pharmaceutical, biotechnology, and life sciences companies, covering drug development strategy, clinical…
Serves pharmaceutical, biopharmaceutical and biotechnology companies worldwide, especially development, regulatory, quality and market access teams managing drug pipelines from discovery to…
Location
Cardiff Scintigraphics Limited
Financial 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
SPECIALIST BIOANALYTICAL SERVICES LIMITED
Financial sub-scores
Computed from 4 filingsProvides contract bioanalytical laboratory services for pharmaceutical and biotechnology drug development, including preclinical and clinical sample analysis, toxicokinetics studies, biomarker and…
Serves pharmaceutical, biotechnology and contract research organisations running drug development programmes, from discovery through pre-clinical safety testing and clinical development, including…
Financial Health
StableStable · 0% CAGR over 3y
Location
VOISIN CONSULTING LIFE SCIENCES, UK LTD
Financial sub-scores
Computed from 5 filingsProvides consulting services to biotechnology, pharmaceutical and medical technology companies, supporting regulatory strategy, clinical trial planning and management, pharmacovigilance, and market…
Serves B2B life sciences organisations, including startups, emerging biotech, established pharmaceutical companies, and MedTech/digital health firms developing products for US, European, Chinese and…
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
Icon
Provides outsourced clinical research and development services for pharmaceutical, biotechnology and medical device companies, including clinical trial design and management, laboratory and imaging…
Serves pharmaceutical, biotechnology and medical device companies, plus government and public health organisations, targeting clinical development, R&D, regulatory, medical affairs and commercial…
Location
Dlrc
Provides regulatory affairs consultancy for pharmaceutical, biotech and medical device companies. Supports product development, clinical trial regulation, marketing authorisation and post‑licensing…
Serves pharmaceutical, biotech and medtech companies, from top-tier pharma groups to SMEs and startups, developing medicines and medical devices for markets in Europe, the US and beyond.
Financial Health
Insufficient historyInsufficient history
Location
COLIBRI SCIENTIFIC LIMITED
Financial sub-scores
Computed from 5 filingsProvides sample management services for clinical trials, including preparation of clinical visit and reagent kits, labelling, sample tracking, processing and storage, logistics coordination, and…
Serves B2B life sciences and healthcare organisations involved in clinical trials, including trial sponsors, CROs, biotech companies, research nurses, and hospital-based research teams.
Financial Health
StrongStrong · Growing, Hiring · 25% CAGR over 5y
Location
ADNOVATE CLINICAL DEVELOPMENT STRATEGIES LTD
Financial sub-scores
Computed from 5 filingsProvides clinical development consulting to life sciences and biotechnology companies, including drug development strategy, asset development planning, regulatory strategy, and management and…
Serves B2B life science companies, particularly biotech and pharma firms developing drug assets through pre-clinical, clinical, regulatory and commercialization stages across multiple therapeutic…
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
Quantics Consulting Limited
Financial sub-scores
Computed from 4 filingsProvides biostatistical consulting and software for the life sciences and medical device sectors. Supports bioassay analysis, clinical trial design and analysis, PK/PD modelling, health technology…
Serves B2B life sciences and medical device organisations, including biotech, pharmaceutical and vaccine developers running bioassays, clinical trials, HTA submissions and regulated research across…
Financial Health
HealthyHealthy · Hiring · 3% CAGR over 3y
Location
Icon
Provides outsourced clinical research and development services for pharmaceutical, biotechnology and medical device companies, including clinical trial management, laboratory testing, medical…
Serves pharmaceutical, biotechnology and medical device companies, plus government and public health organisations, seeking outsourced support across clinical development, regulatory, evidence and…
Location
Icon
Provides outsourced clinical research and development services for pharmaceutical, biotechnology and medical device companies, including clinical trial management, early‑phase laboratory services,…
Serves pharmaceutical, biotechnology and medical device companies, plus government and public health organisations, seeking outsourced clinical development, consulting and commercialisation support.
Financial Health
Insufficient historyInsufficient history
Location
Almac Diagnostic Services
Provides diagnostic and genomic testing services to support biomarker-driven clinical trials and precision medicine. Offers sample management, sequencing, biomarker and companion diagnostic…
Serves biopharma and biotech companies developing precision medicine programmes, especially clinical trial, biomarker, companion diagnostic and genomic research teams; also works with health…
Location
Xerimis Ltd.
Financial sub-scores
Computed from 3 filingsProvides clinical trial packaging and supply chain services for pharmaceutical studies, including labeling, blinding, warehousing, depot management, project management, and logistics for Phase 1–3…
Serves small to mid-sized pharmaceutical companies and clinical development teams running Phase 1–3 drug trials, including sponsors managing global study sites and regulated trial supply needs.
Financial Health
DistressedDistressed · 2% CAGR over 2y
Location
Financial sub-scores
Computed from 5 filingsFinancial Health
StableStable · -71% CAGR over 4y
Location
Effective Medical Ltd
Financial sub-scores
Computed from 5 filingsProvides regulatory writing and pharmacovigilance services for pharmaceutical and biotechnology companies. Produces safety reports, regulatory documentation and data analysis, and supports…
Serves pharmaceutical and biopharmaceutical companies, research firms and clinical research organisations involved in Phase I-IV drug development, particularly regulatory, pharmacovigilance, quality…
Financial Health
StrongStrong · Growing, Hiring · 24% CAGR over 4y
Location
PHARMATELLIGENCE LIMITED
Financial sub-scores
Computed from 5 filingsDevelops and operates an online healthcare data analytics platform that analyses routine patient and NHS data to produce epidemiology, disease burden and health economics studies. Provides rapid…
Serves pharmaceutical and life sciences companies, medical device teams, healthcare decision-makers, and health system managers/administrators needing real-world evidence for product lifecycle,…
Financial Health
WeakWeak
Location
ACM GLOBAL CENTRAL LABORATORY LTD
Financial sub-scores
Computed from 4 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 · 8% CAGR over 3y
Location
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How reCAPTCHA usage is detected
Company data
Detected companies are joined to UK Companies House records and XBRL accounts data. 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.
Detection
Firmbase crawls the public website of actively-trading UK companies and fingerprints the technologies present: tracking scripts, embedded forms, chat widgets, CMS markers and similar signatures. A company is included in this list when one or more of the technology's signatures are found on its site; closely-related variants of the same product are grouped under one name. Detection covers what is visible on the public web — a company using the technology purely internally, with no website footprint, will not appear. Counts are therefore a conservative floor, not a ceiling. clinical research companies are identified using Firmbase's semantic classification of company activity, built from filings, websites and registered SIC codes rather than SIC codes alone. The detected counts and share figures on this page are computed within that sector cohort, so "share" always means share of clinical research companies with a detectable system — not of all UK companies.
Freshness
Websites are re-crawled on a rolling basis and the underlying company data is refreshed from Companies House continuously; filings appear within days of submission. The list and its statistics are regenerated when the detected cohort moves meaningfully. You can see the last-updated timestamp near the top of the page.
reCAPTCHA is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
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Frequently asked questions
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