B2B Companies Using JazzHR in the UK: 70 Active Firms (2026)
B2B companies running applicant-tracking software sell products or services to other organisations across the UK.
Applicant-tracking software sits close to the hiring function rather than the revenue stack, but in B2B firms it often tells a wider story about operating maturity. Companies running this system are likely to have repeatable vacancies, a careers page that needs workflow rather than email capture, and enough coordination between hiring managers, people teams and external recruiters to justify formal process. Adoption tends to fit mid-market sellers, specialist consultancies, software suppliers and service providers that recruit for sales, delivery, implementation and support roles. Engagements are usually departmental rather than board-scale, with procurement led by HR or operations and checked by finance, security or legal where customer data and employee records intersect.
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Adoption is narrow rather than mass-market: 70 B2B companies running this applicant-tracking system are actively trading in the UK. Reported employment across the adopter cohort is 8,977 people, which points to a user base extending beyond owner-managed firms into employers with formal people processes. Within detected recruitment-and-staffing technology use, this system accounts for 2.8% of the relevant sector view, behind several more common applicant-tracking and HR tools. London accounts for 45.7% of users, followed by the South East at 11.4% and the North West at 10.0%.
Regulation follows the adopter's underlying activity, not its use of applicant-tracking software. Financial services, telecoms, data-processing and professional-services users face different rulebooks, while recruitment workflows add ordinary employment, privacy and marketing controls. The ICO treats PECR as relevant to direct marketing by calls, electronic mail and fax; corporate email and text outreach can sit outside the PECR consent rule, but sender identity and opt-out routes still matter. UK GDPR continues to apply where business-contact or candidate data identifies a person, and live marketing calls need screening against CTPS and TPS where required.
Adoption appears tied to operational discipline rather than broad technology fashion. The cohort looks weighted towards firms that hire repeatedly but do not necessarily run large people-operations teams, so the system may keep a place among companies that want workflow without a heavier enterprise suite. Migration pressure tends to come from bundled HR platforms, security review expectations and the wish to connect hiring, onboarding and workforce reporting. Over time, category consolidation may make standalone applicant-tracking tools more exposed, especially where procurement prefers fewer suppliers.
Adoption by company size
Adoption of JazzHR varies by company size across the trading UK B2B companies in this cohort. 0.1% of the 76,784 companies with under 10 employees run JazzHR (50 detected). 0.1% of the 31,788 companies with 10–50 employees run JazzHR (17 detected). 0.1% of the 3,773 companies with over 50 employees run JazzHR (4 detected).
70
Active firms
2026
2.8%
Of detected Recruitment & staffing share
UK B2B
5
Median headcount
Filed accounts
165
Verified contacts
Across this cohort
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Key facts
About 10% of the trading cohort reports turnover above £5M (7 of 70 firms) — the rest sits below that revenue band.
8% of the cohort was incorporated since 2022 (6 firms), so a sizeable share is in its first few filing cycles.
Within UK B2B companies with a detectable recruitment and staffing system, this applicant-tracking system accounts for 2.8% (70 of 2,527), below several larger detected systems in the category.
The cohort is London-weighted: 45.7% (32) are registered in London, compared with 11.4% (8) in the South East and 10.0% (7) in the North West.
Detected web stacks tend to include standard web infrastructure: 67.1% (47) also run a content-delivery and security layer, 61.4% (43) use tag management and 60.0% (42) use a content-management system.
Sector tags overlap, but SaaS accounts for 25.7% (18) of these B2B users, followed by management consulting at 12.9% (9).
ICO guidance says PECR covers direct marketing by live or automated calls, electronic mail and fax; UK GDPR still applies where business-contact data includes personal data.
Recruitment market share among UK B2B
Share of the 2,527 UK B2B with a detectable system. As of June 2026.
What else do JazzHR-running B2B run?
Share of the 70 JazzHR-running UK companies where each technology was also detected. As of June 2026.
Where JazzHR B2B 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.
5
Median headcount
£625.6K
Median UK turnover
10%
Above £5M turnover
6
Incorporated since 2022
165 verified decision-maker contacts
across these 70 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK B2B using JazzHR
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.
Provides multidisciplinary consulting services in engineering, architecture, planning, environmental studies, economics, and project and construction management. Works on infrastructure and…
Serves public- and private-sector clients in infrastructure, cities, transportation, water, power, telecommunications, oil and gas, heavy industry, and civic or commercial development.
Financial Health
N/AN/A
Location
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Computed from 4 filingsProvides identity and access management software and services, including identity governance, privileged access management, customer identity management, and cloud infrastructure entitlement…
Serves enterprise IT, security and identity teams across industries, including organisations managing employee, customer and application identities at scale.
Financial Health
WeakWeak
Location
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Computed from 4 filingsDevelops governance, risk and compliance (GRC) software that helps organisations manage enterprise risk, compliance, audits, operational resilience, vendor risk and workplace safety. The platform…
Serves enterprise risk, compliance, audit and resilience teams, particularly in financial services such as banks, credit unions, insurers, fintechs, asset managers, retirement plans and payments…
Financial Health
StrongStrong · Hiring · 19% CAGR over 3y
Location
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Computed from 5 filingsDevelops software for the asset management industry that digitises and manages investment due diligence processes. Platform supports RFP and DDQ content management, data collection, manager research,…
Serves B2B customers in asset management: asset allocators and owners, manager research teams, operational due diligence, risk and compliance teams, fund managers, ManCos, consultants and service…
Financial Health
StrongStrong · Growing, Hiring · 26% CAGR over 4y
Location
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Computed from 5 filingsProvides multidisciplinary consulting services including engineering, architecture, urban planning, environmental studies, economics, and project and construction management for infrastructure and…
Serves public- and private-sector infrastructure clients, including airport and rail operators, utilities, city authorities, commercial developers, telecoms, oil and gas, and heavy industry…
Financial Health
StrongStrong · Hiring · 21% CAGR over 5y
Location
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Computed from 3 filingsProvides IT consultancy and software development services supporting digital transformation projects. Delivers managed digital delivery, cloud (Azure and AWS) solutions, data analytics, automation,…
Serves public-sector bodies and private businesses needing digital delivery support, including organisations seeking agile teams, individual digital specialists, cloud, data, QA and automation…
Financial Health
WeakWeak · Hiring · 36% CAGR over 2y
Location
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Develops data management and compliance software that cleans, verifies, and manages customer data. Offers AML screening (FinScan), address verification, and data quality tools delivered via cloud,…
Serves B2B enterprises and financial institutions worldwide, especially banks and organisations with AML compliance, data quality, data management and address-verification requirements, from small…
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Computed from 2 filingsDevelops employee experience software that collects workforce feedback through surveys, lifecycle listening, and 360 reviews, and uses AI-driven analytics to generate insights, sentiment analysis,…
Serves large enterprises and HR, people and business leaders, including Fortune 100 organisations, with explicit focus on healthcare, manufacturing and retail workforces and teams responsible for…
Financial Health
WeakWeak · -7% CAGR over 1y
Location
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Provides outsourced IT infrastructure and managed services including cybersecurity monitoring and response, vulnerability management, cloud and disaster recovery services, firewall and endpoint…
Serves mid-market companies and larger organisations with internal IT needs, especially businesses running Microsoft 365/Azure, cloud infrastructure, servers, networks and SaaS applications.
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Computed from 2 filingsProvides testing, certification, regulatory compliance software and consulting for the food and feed supply chain. Services include GMO and contaminant testing, food safety and sustainability…
Serves B2B food supply chain organisations, including food and feed manufacturers, supplement brands, packaging companies, ingredient suppliers, retailers, and quality, regulatory, product…
Financial Health
WeakWeak · -20% CAGR over 1y
Location
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Computed from 5 filingsDevelops digital security software and services to protect video content, applications, and connected devices. Provides DRM systems, anti‑piracy monitoring, forensic watermarking, and mobile app…
Serves B2B customers in media, entertainment and digital services, including OTT streaming platforms, pay TV operators, live sports and esports providers, content owners, and product, engineering and…
Financial Health
StableStable · -8% CAGR over 4y
Location
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Computed from 5 filingsProvides invoice finance and back‑office software for recruitment agencies, including candidate onboarding, timesheet and payroll management, billing, credit control, compliance screening, and…
Targets B2B recruitment agencies, including start-up and growing recruitment businesses, that manage contractors, candidates, timesheets, payroll and invoicing and need support with cash flow,…
Financial Health
StableStable
Location
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Computed from 3 filingsDevelops cloud-based software for property and casualty insurers, including systems for policy administration, billing, and claims management. Provides agent and policyholder portals, analytics, and…
Serves B2B property and casualty insurance organisations, including carriers, third-party administrators, risk pools, self-insured employers and public entities, targeting underwriting, claims, IT,…
Financial Health
StrongStrong · Hiring · 100% CAGR over 2y
Location
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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
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Computed from 3 filingsProvides engineering consulting and project services for regulated industries including pharmaceuticals and medical devices. Designs, integrates and validates manufacturing equipment, cleanrooms and…
Serves B2B clients in regulated manufacturing, including radiopharmaceutical, pharmaceutical, food and beverage, medical device, nutraceutical, and health and beauty companies, particularly project,…
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
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Computed from 4 filingsDevelops business intelligence and analytics software providing dashboards, data visualisation, automated analysis and reporting tools. Platform supports embedded analytics in other applications,…
Serves enterprises, software companies, OEMs, application developers and data teams needing BI and embedded analytics, across sectors including financial services, healthcare, manufacturing, retail,…
Financial Health
StableStable · -85% CAGR over 3y
Location
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Provides forensic accounting, data analytics and compliance consulting services. Conducts corporate investigations, supports regulatory inquiries and monitorships, and delivers expert analysis for…
Serves multinational corporates, law firms, regulators and enforcement-related stakeholders involved in cross-border investigations, compliance matters, monitorships, disputes and regulatory risk.
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Computed from 3 filingsDevelops and provides laboratory informatics software, including laboratory information management systems (LIMS), electronic lab notebooks (ELN), laboratory execution systems, scientific data…
Sells to laboratories and lab teams in B2B and public-sector settings, including life sciences, clinical diagnostics, public health, chemical, agrochemical, oil and gas, food and beverage, consumer…
Financial Health
StableStable · -90% CAGR over 2y
Location
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Computed from 5 filingsProvides pharmaceutical development and manufacturing services for drug products, particularly topical and transdermal therapies. Offers formulation development, analytical and bioanalytical testing,…
Serves pharmaceutical and biotech companies developing topical, transdermal and other specialty drug products, from early-stage development through clinical supply and commercial manufacturing.
Financial Health
WeakWeak · Hiring · 17% CAGR over 4y
Location
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Computed from 3 filingsProvides fiduciary and advisory services to companies facing growth, transformation, or financial distress. Services include governance and board support, interim management, restructuring and…
Serves companies, boards, executives and stakeholders facing growth, transformation, distress or crisis across multiple industries, particularly organisations at high-stakes inflection points.
Financial Health
StrongStrong · -5% CAGR over 2y
Location
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Computed from 2 filingsProvides food industry certification, auditing and testing services, including food safety, non-GMO, organic and sustainability schemes. Also develops regulatory compliance software, databases and…
Serves B2B customers across the food and feed supply chain, including manufacturers, ingredient suppliers, supplement brands, packaging companies, and quality, regulatory, R&D and compliance teams.
Financial Health
WeakWeak · -5% CAGR over 1y
Location
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Computed from 5 filingsProvides strategic consulting to life sciences and biopharma companies, advising on product, portfolio, and corporate strategy, launch planning, R&D, market access, marketing and sales, medical…
Serves B2B clients in the life sciences sector, especially biopharma and other healthcare organisations. Targets senior leaders across R&D, commercial, market access, medical affairs, business…
Financial Health
StrongStrong · Hiring · 10% CAGR over 5y
Location
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Computed from 3 filingsProvides managed IT services, software development, technical consulting, cybersecurity and compliance support for media and entertainment production companies. Also offers cloud infrastructure,…
Serves media and entertainment businesses, including studios, post-production houses, VFX teams and creative production teams with complex production workflows and content-security requirements.
Financial Health
StableStable · Hiring · 29% CAGR over 2y
Location
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Computed from 5 filingsProvides invoice finance and back‑office software for recruitment agencies, including candidate onboarding, timesheet processing, payroll management, credit control and billing. Platform supports…
Sells to B2B recruitment agencies and staffing businesses, from start-ups to established agencies, with buyers responsible for finance, payroll, compliance, onboarding and back-office operations.
Financial Health
HealthyHealthy · 0% CAGR over 4y
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Computed from 4 filingsProvides software and managed services for recruitment agencies, hirers and contractors, including pre‑employment screening, payroll and timesheet processing, compliance checks, invoice finance, and…
Serves recruitment agencies, hirers and contractors, including businesses managing temporary or global workforces and agencies needing compliance, screening, payroll, finance and back-office support.
Financial Health
HealthyHealthy · Hiring · 3% CAGR over 4y
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Computed from 5 filingsProvides employer-of-record and global workforce management services enabling companies to hire employees internationally without establishing local entities. Services include global payroll…
Serves businesses expanding or hiring internationally, targeting HR, finance and legal teams across technology, manufacturing, financial services, AI, retail and professional services, including…
Financial Health
StrongStrong · -55% CAGR over 4y
Location
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Computed from 3 filingsProvides third‑party support and managed services for enterprise software including Oracle, SAP and VMware. Services include issue resolution, security updates, database and infrastructure health…
Serves B2B organisations of all sizes running Oracle, SAP and VMware enterprise software, targeting IT, ERP, database and infrastructure teams across mid-sized businesses and large global enterprises.
Financial Health
HealthyHealthy · Hiring · 20% CAGR over 2y
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Computed from 5 filingsProvides software for B2B SaaS companies to manage billing and financial operations, including configure‑price‑quote, subscription and usage‑based billing, invoicing, revenue recognition, accounts…
Sells to B2B SaaS companies, including AI, cybersecurity and healthcare software firms. Targets finance teams, product leaders, developers and sales teams that need billing, subscription management,…
Financial Health
StrongStrong · Growing, Hiring · 53% CAGR over 4y
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Computed from 5 filingsProvides software and managed services for recruitment agencies, hirers, and contractors, including payroll processing, timesheet and invoicing systems, pre‑employment screening, compliance checks,…
Serves recruitment agencies, hiring organisations and contractors, including businesses managing temporary or contingent workforces and workers using umbrella, PAYE, CIS, IR35 or global employment…
Financial Health
StableStable · -7% CAGR over 4y
Location
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Computed from 5 filingsDevelops software platform for automotive dealerships that integrates CRM, desking and deal structuring, credit checks and compliance tools, data mining, marketing websites, lead generation, and…
Sells B2B to auto dealerships and dealer groups, particularly sales, finance and compliance teams involved in vehicle retailing, credit applications, lender relationships, inventory marketing and…
Financial Health
HealthyHealthy · Hiring · 30% CAGR over 5y
Location
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Computed from 5 filingsDevelops and sells software for data analysis, risk modelling, and research management. Products support qualitative and statistical analysis, forecasting, decision modelling, and experiential…
Sells to enterprises, universities, government agencies and research teams across aerospace, engineering, energy, financial services, healthcare, manufacturing, pharmaceuticals, logistics and…
Financial Health
HealthyHealthy · Hiring · 21% CAGR over 6y
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Computed from 5 filingsProvides strategic consulting services to life sciences and biopharmaceutical companies, including product and portfolio strategy, launch planning, market access, medical affairs, market research,…
Serves life sciences companies, including emerging and established biopharma firms, with buyers in R&D, business development, market access, marketing and sales, medical affairs, supply chain and…
Financial Health
StableStable · -62% CAGR over 4y
Location
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Computed from 3 filingsProvides AI-powered analytics software for retailers that combines consumer feedback with predictive modelling to inform product design, assortment planning, pricing, forecasting, and inventory…
Serves B2B retailers and consumer brands in apparel, fashion, footwear, home goods, CPG and grocery, targeting merchandising, pricing, supply chain, marketing and product teams making assortment and…
Financial Health
StableStable · -12% CAGR over 2y
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Computed from 5 filingsOperates an internet service provider network, managing autonomous system AS29496 and associated IPv4 address ranges. Provides internet connectivity and network infrastructure used to host domains…
Financial Health
StableStable · Hiring · 9% CAGR over 4y
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Computed from 4 filingsProvides online survey software and market research services, including survey programming, sample sourcing, field management, data cleansing, and reporting. Platform supports survey hosting, quotas,…
Sells to B2B research operations teams at consultancies, market research agencies and corporations globally, especially organisations running complex online survey research programmes.
Financial Health
StableStable · 0% CAGR over 3y
Location
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Computed from 2 filingsProvides staffing and recruitment services, including temporary staffing, direct hire, professional and industrial staffing, onsite workforce management and recruitment process outsourcing across…
Serves employers needing workforce support across manufacturing, logistics, finance, legal, life sciences, technology, consumer goods, media, renewable energy and construction, from temporary labour…
Financial Health
DistressedDistressed · 0% CAGR over 1y
Location
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Computed from 2 filingsProvides regulatory compliance software, databases and consulting for the food, feed and supplement industries, including recipe and product development tools, labelling and packaging compliance…
Serves B2B food, feed, supplement, packaging and agricultural commodity companies, especially quality, regulatory, R&D and product development teams managing product safety, ingredients, claims and…
Financial Health
StableStable · 0% CAGR over 1y
Location
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Computed from 3 filingsProvides engineering and consulting services for the automotive and mobility sectors, including vehicle design and development, electric powertrain and battery systems, autonomous driving…
Serves automotive and mobility OEMs/suppliers, industrial manufacturers, defence, aerospace and marine organisations, plus public-sector bodies pursuing e-government, smart city, mobility and digital…
Financial Health
WeakWeak · -23% CAGR over 2y
Location
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Computed from 2 filingsProvides digital driver risk management software for fleet operators, including a smartphone app that monitors driving behaviour, scores driver risk, delivers micro‑training and coaching, and reports…
Serves large B2B organisations worldwide that operate fleets of sales, service, delivery and warehouse drivers, including distribution, food and beverage, healthcare, pest, agriculture, telecoms and…
Financial Health
WeakWeak
Location
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Provides investment banking and financial advisory services focused on the clean energy and energy transition sectors, including mergers and acquisitions advice, equity and debt capital markets, tax…
Serves businesses, governments and NGOs in the clean economy, including renewable power, sustainable infrastructure, low-carbon fuels, e-mobility, data infrastructure and sustainable technology…
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Computed from 5 filingsProvides advertising and marketing services including algorithm‑driven ad creation, consumer insight from proprietary online communities, and branded endorsement seals. Delivers performance…
Serves B2B advertisers, especially large consumer goods manufacturers, retailers and brand marketing teams seeking data-led advertising and consumer endorsement campaigns.
Financial Health
DistressedDistressed · -63% CAGR over 4y
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Develops hardware and software for broadcast and media production, including cameras, production switchers, video servers, editing systems, routing infrastructure and cloud-based workflows used to…
Sells to B2B and institutional customers in broadcast and media production, including broadcasters, live sports and news producers, rental and staging firms, corporate media teams, government,…
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Computed from 5 filingsProvides B2B marketing services for technology companies, including marketing strategy, brand development, account‑based and channel marketing, demand generation, content creation, and digital…
Serves B2B technology brands and marketing teams, including channel providers, distributors and enterprise technology businesses looking for specialist agency support.
Financial Health
HealthyHealthy · Hiring · 4% CAGR over 4y
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Computed from 5 filingsProvides supply chain consulting and technology implementation services, including warehouse management systems (WMS), transportation management systems (TMS), robotics and automation integration,…
Sells to businesses with complex supply chain and warehouse operations, especially large retailers, distributors, manufacturers and logistics providers. Targets supply chain, operations and logistics…
Financial Health
HealthyHealthy · Hiring · 32% CAGR over 4y
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Computed from 5 filingsProvides alternative asset management and investment advisory services. Seeds macro‑oriented hedge fund managers, manages a multi‑manager Asian equities platform, invests venture capital in fintech…
Serves institutional investors and allocators seeking alternative asset exposure, macro research and advisory services, plus emerging macro hedge fund managers and fintech or climate startups seeking…
Financial Health
StableStable · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides cloud-based video interviewing and candidate screening software for recruitment. Platform enables employers to conduct asynchronous video interviews, verify candidate identity, manage…
Serves B2B employers with high-volume recruitment needs, including recruiters, hiring managers and business leaders in high-growth companies, staffing agencies, early careers teams, and technical or…
Financial Health
StableStable · Hiring · 60% CAGR over 4y
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Computed from 5 filingsDesigns and supplies industrial water treatment and lithium refining systems. Provides desalination, membrane filtration, brine concentration, evaporation and crystallization technologies, plus pilot…
Serves industrial B2B customers in lithium and battery production, energy and resources, manufacturing, semiconductors, pharmaceuticals, food and beverage, and other sectors with wastewater,…
Financial Health
HealthyHealthy · -10% CAGR over 4y
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Computed from 4 filingsDevelops and supplies care management software for social care providers, including digital care planning, medication management (eMAR), staff training, operations and maintenance tools, resident…
Serves UK social care providers, including residential care homes, nursing homes, supported and retirement living operators, learning disability services and mental health support providers.
Financial Health
StrongStrong · Hiring · 28% CAGR over 4y
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Computed from 3 filingsProvides security and infrastructure resiliency services including risk assessments, planning and training, and the design and installation of systems such as video surveillance, perimeter detection,…
Serves critical infrastructure operators, government agencies and commercial organisations, especially in transportation, communications, energy, water and wastewater sectors, with facilities and…
Financial Health
StrongStrong · Hiring · 18% CAGR over 2y
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Computed from 5 filingsProvides managed data protection services including backup, disaster recovery and cyber recovery. Uses platforms such as Rubrik, Zerto and BackBox to monitor IT environments, protect data, and…
Serves enterprise and public-sector organizations in healthcare, finance, education, state and local government, manufacturing, corporate, non-profit and US public sector markets.
Financial Health
StableStable · Hiring · 44% CAGR over 4y
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How JazzHR 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. B2B 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 B2B 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.
JazzHR is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
UK B2B by Recruitment
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Frequently asked questions
How many UK B2B companies use JazzHR?
What share of UK B2B companies run JazzHR?
How is JazzHR usage detected?
What size B2B companies use JazzHR in the UK?
What do JazzHR-running B2B companies also run?
Can I get contact details for these companies?
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