Recruitment Companies Using Volcanic in the UK: 86 Active Firms (2026)
UK recruitment businesses running specialist candidate-attraction website software source, screen and place permanent, contract and temporary workers.
Specialist recruitment-site platforms sit between marketing, applicant capture and consultant workflow. The buying centre is usually a mix of recruitment marketing, operations and senior fee-earners, with IT involved where CRM hand-offs or analytics are material. Adoption tends to signal an agency that treats its website as a working acquisition channel rather than a brochure: searchable vacancies, candidate registration, content for client sectors, and routes into screening workflows all matter. Engagements are normally closer to a managed digital operating stack than a small web-design project, especially where permanent, contract and temporary desks share brand, compliance and vacancy infrastructure.
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The UK adoption picture is narrow but visible: 86 actively trading recruitment and staffing businesses run this specialist platform. Within detected page-builder use in the sector, it ranks fourth, with a 4.4% share against a denominator of 1,953. Reported headcount totals 3,940 employees. London accounts for 31.4% of adopters, followed by the South East at 14.0%, the North West at 11.6%, and the West Midlands and Yorkshire and The Humber at 9.3% each. That skew fits a supplier base split between national professional-services recruiters and regional staffing operators.
Compliance risk sits mainly in the recruitment process wrapped around the website. GOV.UK rules require employment agencies and employment businesses not to charge work-seekers for work-finding services, not to withhold payments or wages due, and to provide written terms and key information documents before looking for work for a worker. Temporary-worker supply adds a sharper cash-flow obligation: the employment business remains responsible for pay for all hours worked, even where the hirer has not paid or authorised a timesheet. The relevant framework includes the Conduct of Employment Agencies and Employment Businesses Regulations 2003, with gangmaster licensing under the Gangmasters (Licensing) Act 2004 for some labour-supply niches.
Adoption appears tied to agencies that want more control over direct candidate acquisition while still relying on external job boards and consultant-led sales. The category tends to be sticky where vacancy search, candidate accounts, CRM hand-offs and compliance content sit in one managed build. Pressure is likely to come from generic site builders at the smaller-agency end and from recruitment CRMs extending further into website, automation and analytics workflows. That leaves specialist platforms defending their role through sector-specific templates, integrations and operational familiarity rather than through broad website publishing alone.
What’s in the file
One row per company, 14 columns. The contact columns unlock when you get the list.
Included
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Adoption by company size
Adoption of Volcanic rises with company size across the trading UK recruitment companies in this cohort. 0.1% of the 23,684 companies with under 10 employees run Volcanic (34 detected). 2.1% of the 2,136 companies with 10–50 employees run Volcanic (45 detected). 1.1% of the 648 companies with over 50 employees run Volcanic (7 detected). That is a 1% gap between the over 50 employees and under 10 employees bands.
86
Active firms
2026
4.4%
Of detected Page builders share
UK recruitment
12
Median headcount
Filed accounts
192
Verified contacts
Across this cohort
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Key facts
About 9% of the trading cohort reports turnover above £5M (8 of 86 firms) — the rest sits below that revenue band.
5% of the cohort was incorporated since 2022 (5 firms), so a sizeable share is in its first few filing cycles.
Among recruitment firms with a detectable page-builder system, this platform accounts for 4.4% (86 of 1,953), fourth in the observed category mix.
London accounts for 31.4% (27) of the platform-running recruitment cohort, followed by the South East at 14.0% (12) and the North West at 11.6% (10).
Three co-detected web-infrastructure components each appear on 93.0% (80) of sites in the cohort, pointing to a fairly standardised hosting, delivery and bot-screening stack.
Recruitment and staffing contributed £40.6 billion to the UK economy in 2025, or 1.6% of UK GVA, with temporary and contract placements accounting for 76.7% of that GVA.
Employment-agency rules require firms not to charge work-seekers for work-finding services, and temporary-worker suppliers remain responsible for paying workers for all hours worked.
Recruitment market share among UK Recruitment
Share of the 1,953 UK Recruitment with a detectable system. As of June 2026.
What else do Volcanic-running Recruitment run?
Share of the 86 Volcanic-running UK companies where each technology was also detected. As of June 2026.
Where Volcanic Recruitment 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.
12
Median headcount
£989K
Median UK turnover
9.3%
Above £5M turnover
5
Incorporated since 2022
192 verified decision-maker contacts
across these 151 companies — names, roles and emails, in one CSV + Excel file.
Top UK Recruitment using Volcanic
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.
Financial sub-scores
Computed from 5 filingsProvides recruitment and workforce solutions, supplying permanent and contract staff. Offers candidate sourcing, recruitment process outsourcing, managed service provider and statement-of-work…
Serves employers seeking permanent, contract and outsourced workforce support across engineering, IT, construction, life sciences, technology, defence, infrastructure, finance and professional…
Financial Health
WeakWeak · -4% CAGR over 4y
Location
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Financial sub-scores
Computed from 2 filingsProvides recruitment and talent search services for engineering, manufacturing and technical sectors. Offers permanent, contract, interim and executive recruitment, managed services and design…
Serves UK and global employers in engineering, manufacturing and technical sectors, including automotive, aerospace, defence, energy, medical devices, FMCG and advanced manufacturing, hiring across…
Financial Health
StrongStrong · Hiring · 199% CAGR over 1y
Location
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Financial sub-scores
Computed from 5 filingsProvides recruitment and staffing services placing permanent and contract staff in technical, engineering, manufacturing, IT, sales, marketing and executive roles. Offers executive search, contractor…
Serves employers and candidates in technical and engineering, manufacturing and production, IT, sales and marketing, business support, and executive management roles, mainly across UK professional…
Financial Health
HealthyHealthy · Hiring · 71% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides recruitment services for commercial, accounting and finance, and HR roles. Sources and places candidates for permanent and temporary positions, supports employers with hiring, and offers job…
Serves employers across the South West hiring commercial, accounting and finance, HR and professional staff, alongside job seekers seeking roles in those functions.
Financial Health
HealthyHealthy · 4% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides recruitment and staffing services placing candidates in permanent, temporary, contract and part‑time roles across sectors including accounting, engineering, construction, healthcare, sales…
Sells to employers hiring permanent, temporary, contract and part-time staff, and to jobseekers. Serves clients and candidates across sectors including accounting, admin, call centre, construction,…
Financial Health
StableStable · Hiring · 2% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides recruitment and workforce consulting services through specialist brands, placing professionals in technology, finance, AI and life sciences roles. Offers permanent and contract hiring,…
Serves businesses in technology, finance, regulated sectors, AI and life sciences, especially organisations scaling teams, entering new regions, building hiring functions, or filling specialist risk,…
Financial Health
StrongStrong · Hiring · 24% CAGR over 4y
Location
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Provides recruitment and staffing services including permanent hiring, temporary and contract staffing, executive search, and contingent workforce management. Also offers business process…
Serves employers and public sector organisations across accounting, banking, construction, engineering, healthcare, hospitality, HR, legal, life sciences, supply chain and technology.
Location
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Provides recruitment and staffing services, placing temporary and permanent workers for employers across sectors including warehouse and distribution, driving and transport, manufacturing, customer…
Serves UK employers needing temporary, permanent and onsite managed staffing, plus jobseekers, across warehouse and distribution, driving, manufacturing, engineering, hospitality, office, retail,…
Financial Health
N/AN/A
Location
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Financial sub-scores
Computed from 5 filingsProvides recruitment and staffing services for IT and business functions. Sources, screens and places candidates in permanent and contract roles across areas such as data, finance, HR, marketing and…
Serves UK businesses needing permanent and contract recruitment across IT, data, HR, legal, finance, marketing, customer service, procurement, operations, administration, events and hospitality roles.
Financial Health
StableStable · 2% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides recruitment services for employers and jobseekers, placing candidates in permanent, temporary and contract roles across sectors including IT, finance, engineering, legal, healthcare and…
Serves Northern Ireland employers in private and public sectors hiring across IT, finance, engineering, legal, HR, healthcare, sales, science and logistics, alongside professional jobseekers seeking…
Financial Health
HealthyHealthy · Hiring · 57% CAGR over 5y
Location
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Computed from 5 filingsProvides recruitment services including permanent, contract and contingent hiring, and managed service provider (MSP) recruitment support. Places professionals in technology, finance, media and…
Serves employers across the UK and Ireland, particularly ambitious companies hiring for technology, media and marketing, commercial, HR, finance and office support roles, including permanent,…
Financial Health
StrongStrong · Growing, Hiring · 61% CAGR over 4y
Location
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Computed from 5 filingsProvides recruitment and executive search services, placing permanent and temporary staff across sectors including accountancy and finance, HR, technology, engineering and manufacturing, marketing,…
Serves employers hiring permanent and temporary staff, plus jobseekers, across Cambridge, Peterborough, Hertfordshire, Essex, Northampton and Milton Keynes, spanning finance, HR, IT, marketing,…
Financial Health
HealthyHealthy · -12% CAGR over 4y
Location
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Computed from 3 filingsProvides recruitment services for employers and job seekers, sourcing candidates for temporary and permanent roles across commercial, technical, retail, financial services, accountancy and outsourced…
Serves employers and jobseekers in commercial, technical, retail, outsourcing, financial services, and accountancy and finance sectors, covering both temporary and permanent recruitment needs.
Financial Health
DistressedDistressed · Hiring · 8% CAGR over 2y
Location
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Computed from 5 filingsProvides recruitment services for technology, engineering, and AI roles, connecting companies with candidates for permanent and contract positions. Supports hiring processes including candidate…
Serves technology, engineering and AI employers in the UK and US hiring permanent and contract talent, alongside professionals seeking roles in IT, software, data, machine learning, product and…
Financial Health
StrongStrong · Hiring · 66% CAGR over 4y
Location
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Computed from 5 filingsProvides recruitment services for the construction and engineering industries, placing skilled professionals in temporary and permanent roles. Specialises in civil engineering, construction, M&E,…
Serves main contractors and specialist subcontractors in civil engineering, construction, M&E, renewables and rail, alongside skilled professionals seeking temporary or permanent roles in these…
Financial Health
StrongStrong · Growing, Hiring · 70% CAGR over 4y
Location
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Computed from 5 filingsProvides IT recruitment and talent sourcing services for organisations hiring in cloud infrastructure, cybersecurity, enterprise applications, and AI and machine learning. Offers retained search,…
Serves businesses and organisations in Europe, the US and globally that need specialist IT talent across cloud infrastructure, cybersecurity, enterprise applications, AI and machine learning.
Financial Health
HealthyHealthy · Hiring · 13% CAGR over 4y
Location
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Computed from 5 filingsProvides recruitment and staffing services for public sector roles, supplying interim and permanent staff in social care, secondary education, special educational needs, tutoring and medical sectors,…
Serves UK public-sector employers and education providers, including local authorities, London boroughs, schools, SEN settings and healthcare organisations, alongside social care, teaching, tutoring…
Financial Health
StrongStrong · Hiring · 51% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides recruitment and staffing services for financial services and technology organisations, specialising in roles across IT and digital development, quantitative and data science, cybersecurity,…
Serves financial institutions, investment banks, fund administrators, FinTech and digital organisations hiring IT, digital, quant, data science, cyber, and change/transformation talent.
Financial Health
HealthyHealthy · Hiring · 3% CAGR over 4y
Location
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Computed from 2 filingsProvides technology recruitment services, placing contract and permanent professionals in roles such as software development, cloud infrastructure, data, cybersecurity, and digital. Also offers…
Serves businesses of varied sizes across industries, from social media giants to fast-growing unicorns, alongside candidates in software, data, cloud, cybersecurity, digital and change disciplines.
Financial Health
WeakWeak · Hiring · 17% CAGR over 1y
Location
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Computed from 4 filingsProvides recruitment and employment agency services, supplying temporary, permanent and contract staff to employers. Recruits for sectors including industrial, commercial, driving, FMCG, print and…
Serves UK employers needing temporary, permanent or contract staff, particularly in commercial, industrial, driving, FMCG, print and packaging, onsite operations and public sector roles from entry…
Financial Health
HealthyHealthy · Profitable · -5% CAGR over 3y
Location
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Computed from 5 filingsProvides recruitment and staffing services for the creative industries and brand-led organisations, including permanent, temporary and interim hiring. Also offers recruitment process outsourcing,…
Serves UK creative-industry employers and brand-led businesses, including entertainment companies, social networks, media brands, sports bodies, retailers and digital technology providers seeking…
Financial Health
StableStable · -8% CAGR over 4y
Location
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Computed from 5 filingsProvides recruitment services for the fashion, retail and lifestyle sectors, placing candidates in design, production, merchandising, marketing, e‑commerce, retail operations and executive roles on…
Serves fashion, retail and lifestyle brands, retailers and suppliers hiring for permanent, temporary or contract roles, plus candidates in design, wholesale, production, head office, ecommerce,…
Financial Health
StableStable · Hiring · 6% CAGR over 4y
Location
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Computed from 2 filingsProvides recruitment and staffing services for employers and jobseekers, placing candidates in permanent, temporary and contract roles. Specialises in sectors including manufacturing, industrial,…
Serves employers and candidates across industrial, manufacturing, FMCG, driving, office, legal and professional services, covering permanent, temporary and contract recruitment needs.
Financial Health
DistressedDistressed · 0% CAGR over 1y
Location
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Computed from 3 filingsProvides recruitment and employment agency services, placing temporary and permanent staff across sectors including accountancy, business support, construction, engineering, human resources,…
Serves employers and jobseekers across Yorkshire, from SMEs to large corporates, in accountancy, business support, construction, education, engineering, manufacturing, HR, industrial, procurement,…
Financial Health
WeakWeak · -91% CAGR over 2y
Location
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Computed from 4 filingsProvides recruitment services focused on procurement, supply chain, logistics, materials management and commercial management roles. Offers permanent, interim, and contract recruitment, retained…
Serves UK employers hiring procurement, supply chain, logistics, materials management, supplier quality and commercial management professionals, including businesses needing permanent, interim,…
Financial Health
WeakWeak · -16% CAGR over 3y
Location
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Computed from 4 filingsProvides recruitment and executive search services for employers and job seekers. Sources and places candidates across sectors including finance, IT, engineering, logistics, legal, marketing,…
Serves employers and job seekers across legal, marketing, sales, IT, logistics, finance, HR, engineering, manufacturing, cyber security, administration, product development and not-for-profit sectors.
Financial Health
StrongStrong · Hiring · 15% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsProvides recruitment and staffing services, connecting employers with candidates across sectors such as industrial, office, and management roles. Advertises job vacancies, sources candidates, and…
Serves both employers needing staff and jobseekers seeking new roles, with customer references from industrial, warehouse, factory, office and management environments.
Financial Health
StrongStrong · Hiring · 156% CAGR over 3y
Location
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Computed from 5 filingsProvides recruitment and executive search services, placing permanent and contract staff in engineering, manufacturing, IT, sales, marketing, business and senior management roles. Also offers…
Serves UK employers recruiting executive, professional and technical staff, especially in engineering, manufacturing, production, IT, sales, marketing and senior management; also engages candidates…
Financial Health
StableStable · -3% CAGR over 4y
Location
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Computed from 4 filingsProvides recruitment services for technology and deep‑tech companies, placing professionals in permanent, contract and interim roles. Sources candidates for positions across areas including software…
Serves B2B technology and deeptech companies needing permanent, contract or interim talent, alongside tech professionals seeking roles in areas such as data, cloud, DevOps, software and business…
Financial Health
WeakWeak · -19% CAGR over 3y
Location
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Computed from 5 filingsProvides recruitment services for the construction industry, supplying temporary trades and labour, freelance, and permanent professional and technical staff. Supports contractors and developers by…
Serves UK construction employers, including housebuilders, contractors and project teams needing trades, labour, civil engineering, warehouse, professional and technical staff for temporary,…
Financial Health
HealthyHealthy · -4% CAGR over 4y
Location
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Computed from 5 filingsProvides recruitment and executive search services for financial services and related sectors. Places professionals in governance, private equity, risk, compliance, finance, fintech, insurance, and…
Serves financial services, private equity, infrastructure and real assets, FinTech and insurance organisations hiring for governance, front office, risk, compliance, finance, cyber and data roles.
Financial Health
StableStable · Hiring · 9% CAGR over 4y
Location
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Provides recruitment and staffing services, connecting employers with candidates for roles in business support, contact centres, public sector, finance, and social care. Offers job search listings,…
Serves UK employers and jobseekers, with employer clients in business professional, contact centre, admin/business support, public sector, finance and social care, including adult care, SEND and…
Location
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Computed from 5 filingsProvides recruitment and staffing services placing permanent, contract, and executive roles. Focuses on sectors including energy and utilities, engineering and renewables, technology, insurance,…
Serves companies hiring specialist permanent, contract, executive and project talent, plus candidates, across energy and utilities, renewables, technology, MEP/FP engineering, insurance, commodities…
Financial Health
StrongStrong · Growing, Hiring · 37% CAGR over 5y
Location
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Computed from 5 filingsProvides recruitment and placement of finance, IT and business transformation consultants and contractors. Connects organisations with CFOs, programme directors, finance transformation specialists…
Serves FTSE 100–350 companies, public sector organisations, private equity-backed and multinational businesses, targeting senior finance, IT and transformation leaders.
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
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Computed from 3 filingsProvides recruitment and executive search services for the maritime, shipping, and energy sectors. Places candidates in shore‑based and offshore roles and offers contract staffing, crewing…
Serves employers and job seekers in maritime, shipping, cruise, superyacht, crewing, oil and gas, and renewable energy sectors, including shore-based, technical, commercial, executive and…
Financial Health
StableStable · -4% CAGR over 2y
Location
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Computed from 5 filingsProvides nursing agency and healthcare recruitment services, supplying locum and temporary nurses to healthcare providers. Operates an online platform for job search, candidate registration, CV…
Serves B2B healthcare providers and managers needing agency or locum nurses, alongside registered nurses seeking temporary healthcare placements through a specialist nursing agency.
Financial Health
HealthyHealthy · -7% CAGR over 4y
Location
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Computed from 5 filingsProvides recruitment and staffing services, connecting employers with candidates for interim and permanent roles in accounting and finance, technology and digital, banking operations, and risk and…
Serves employers and job candidates in accounting and finance, technology and digital, banking operations, risk and compliance, with client focus on financial services and commerce and industry…
Financial Health
WeakWeak · -68% CAGR over 5y
Location
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Computed from 5 filingsProvides recruitment and workforce supply services, placing candidates in roles such as food production, agriculture, logistics and engineering. Supports workers with visa routes including the…
Serves UK employers in agriculture, food production, manufacturing and warehousing needing temporary or seasonal workers, alongside jobseekers including visa and Seasonal Worker Scheme candidates…
Financial Health
HealthyHealthy · Hiring · 13% CAGR over 4y
Location
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Computed from 2 filingsProvides workforce management and recruitment services, including managed service provider (MSP) and recruitment process outsourcing (RPO) programmes, contingent workforce sourcing, services…
Serves large organisations and enterprise HR/procurement teams globally across multiple sectors, especially those managing contingent workforces, recruitment outsourcing, services procurement and…
Financial Health
StableStable · Profitable · -12% CAGR over 1y
Location
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Computed from 5 filingsProvides recruitment services for the heating, ventilation, air conditioning and refrigeration (HVAC) sector, sourcing candidates for sales, engineering, technical, marketing and management roles and…
Serves UK HVAC employers in domestic and commercial heating, ventilation, air conditioning, refrigeration and renewables, alongside candidates in sales, marketing, engineering, technical, management…
Financial Health
StableStable · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides recruitment services for the construction, property and engineering sectors, placing professionals in roles such as civil and structural engineering, project management, quantity surveying,…
Targets construction, property and engineering employers, including SMEs, blue-chip consultancies, main contractors, specialist subcontractors and client-side organisations, as well as professionals…
Financial Health
StrongStrong · Hiring · 39% CAGR over 4y
Location
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Computed from 5 filingsProvides recruitment and workforce solutions for insurance, technology, and legal sectors. Sources and places professionals such as developers, solicitors, underwriters, analysts, and executives, and…
Serves employers in insurance, insurtech, technology and legal sectors, including law firms, in-house legal teams, MGAs, brokers and insurance providers, plus professionals seeking roles across the…
Financial Health
StrongStrong · Growing, Hiring · 17% CAGR over 4y
Location
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Computed from 5 filingsProvides recruitment and talent acquisition services, connecting employers with candidates for roles in sales, marketing, finance, insurance, management, IT and commercial functions. Offers job…
Serves employers across the UK hiring for sales, marketing, finance, insurance, commercial, IT/telecoms, management and business support teams, alongside candidates seeking roles in those disciplines.
Financial Health
HealthyHealthy · -69% CAGR over 4y
Location
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Computed from 3 filingsProvides specialist recruitment services for health, safety, environmental and sustainability roles. Works with employers to fill positions and supports candidates seeking jobs across sectors…
Serves employers hiring health, safety, environment and sustainability professionals, plus jobseekers in those fields, across construction, property, facilities, utilities, energy, corporate…
Financial Health
HealthyHealthy · Hiring · 21% CAGR over 2y
Location
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Computed from 3 filingsRecruitment agency specialising in the security, facilities management, cleaning, and corporate services sectors. Sources and places candidates in roles including sales, operations, risk, bids, and…
Serves UK employers in security, corporate risk, facilities management, cleaning, grounds maintenance and related services, plus professionals seeking roles in sales, operations, bids, finance and…
Financial Health
StableStable · -25% CAGR over 2y
Location
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Computed from 4 filingsProvides education recruitment services, placing teachers, teaching assistants, SEND support staff and cover supervisors in primary, secondary and specialist schools. Operates a job portal and…
Serves primary, secondary and SEND schools needing temporary or permanent education staff, plus teachers, teaching assistants, SEND assistants and cover supervisors seeking local supply roles.
Financial Health
StrongStrong · Hiring · 42% CAGR over 3y
Location
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Computed from 4 filingsProvides recruitment and staffing services for the insurance, financial services, and technology sectors. Sources and places candidates in roles such as underwriting, claims, and IT positions, and…
Serves employers and jobseekers in the insurance, technology and financial services sectors, including firms hiring specialist roles and candidates seeking sector-specific opportunities.
Financial Health
HealthyHealthy · Hiring · 13% CAGR over 3y
Location
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Computed from 5 filingsProvides recruitment services focused on the accountancy profession, sourcing and placing candidates in audit, tax, and accounting practice roles. Works with accountancy firms to fill vacancies and…
Serves UK accountancy practices and professional services firms of all sizes seeking audit, tax and accounts staff, alongside candidates pursuing public practice and tax roles.
Financial Health
StrongStrong · Hiring · 4% CAGR over 5y
Location
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Computed from 5 filingsProvides recruitment services for engineering, manufacturing and automotive sectors, supplying temporary and permanent staff. Operates job listings and candidate placement across areas including…
Serves employers and jobseekers in engineering, manufacturing, automotive, FMCG and M&E contracting, including organisations hiring temporary or permanent technical personnel.
Financial Health
HealthyHealthy · -77% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides recruitment and executive search services for legal, compliance, risk, financial crime and related roles within financial, professional and legal services sectors. Supports employers with…
Serves financial, professional and legal services firms hiring legal, compliance, risk and financial crime professionals, plus candidates seeking roles in those disciplines.
Financial Health
HealthyHealthy · -23% CAGR over 2y
Location
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Showing 50 of 151 — +101 more in one CSV + Excel file with company details, websites and key data.
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Get the listHow Volcanic 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. recruitment 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 recruitment 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.
Volcanic 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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