B2B Companies Using Calendly in the UK: 1,794 Active Firms (2026)
B2B companies using scheduling automation sell products or services to other organisations and signal structured sales, support or onboarding workflows in the UK.
For B2B suppliers, scheduling automation usually sits at the hand-off between marketing, sales, support and onboarding. It removes email back-and-forth from demo requests, partner conversations and consultation-led services, while feeding booked meetings into CRM and customer-success processes. Adoption is most visible among software suppliers, IT services firms, marketing agencies, accountancy practices and consultancies, where buying centres often sit in revenue operations, marketing operations or founder-led commercial teams. Running this type of workflow tends to signal an active direct channel, defined meeting types and enough operating volume to care about routing, reminders, calendar access and business-contact handling.
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UK adoption spans 1,794 active trading B2B companies running this appointment-scheduling system. Within the 2,156 detected appointment-scheduling deployments among UK B2B companies, this system ranks first at 83.2%. The registered-office skew is southern but not solely London-based: London accounts for 29.8% of users, followed by the South East at 15.9%, the North West at 10.3%, the East of England at 8.5% and the South West at 8.2%. Reported employment totals 4,732 people across the cohort's headcount reporters.
B2B scheduling is governed less by a sector licence than by the activity around the booked meeting. The ICO treats direct marketing under PECR across live calls, automated calls, electronic mail and fax. B2B email or text outreach to corporate subscribers does not need PECR consent, but senders must identify themselves and provide a valid opt-out route; UK GDPR still applies where business-contact details are processed. Live marketing calls add another control point, as organisations must screen against CTPS and TPS and avoid calling businesses that have objected. Scheduling workflows therefore tend to sit close to consent wording, retention rules and sales-team calling processes.
Adoption appears to be shaped by a trade-off: commercial teams want lower-friction booking, while compliance and operations teams want clearer controls over personal details, meeting ownership and follow-up. Upper-SME suppliers tend to keep scheduling embedded in marketing pages and sales hand-offs, whereas larger users are more likely to fold it into CRM governance, identity controls and customer-success playbooks. The category also looks exposed to bundling, as calendar, CRM and marketing-automation suites keep absorbing adjacent booking functions. That does not remove demand, but it may make standalone scheduling choices more dependent on workflow fit, admin control and integrations already present in the organisation.
What’s in the file
One row per company, 50+ columns — everything below plus each company’s verified directors, from Companies House filings.
Company data
Verified directors — included
Adoption by company size
Adoption of Calendly varies by company size across the trading UK B2B companies in this cohort. 1.5% of the 76,784 companies with under 10 employees run Calendly (1,140 detected). 1.8% of the 31,788 companies with 10–50 employees run Calendly (574 detected). 1.2% of the 3,773 companies with over 50 employees run Calendly (46 detected). That is a 0.3% gap between the over 50 employees and under 10 employees bands.
1,794
Active firms
2026
83.2%
Of detected Appointment scheduling share
UK B2B
7
Median headcount
Filed accounts
3,843
Verified directors
Across this cohort
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Key facts
About 4% of the trading cohort reports turnover above £5M (76 of 1,794 firms) — the rest sits below that revenue band.
6% of the cohort was incorporated since 2022 (117 firms), so a sizeable share is in its first few filing cycles.
Within B2B firms where an appointment-scheduling system is detectable, this tool accounts for 83.2% of a 2,156-company denominator; the next largest detected alternative is 5.5% (119).
The cohort skews towards organisation-to-organisation software and services: SaaS accounts for 23.0% (412), IT services and managed services 15.8% (283), and marketing agencies 14.8% (265).
London accounts for 29.8% (534) of B2B firms running this scheduling tool, followed by the South East at 15.9% (285) and the North West at 10.3% (185).
The most common co-detected web stack signals are a content-management platform at 60.5% (1,085), an analytics package at 56.2% (1,009), and a tag-management script at 51.4% (923).
The ICO treats B2B marketing through PECR by channel: electronic-mail rules do not apply to corporate subscribers, but senders must identify themselves and provide a valid opt-out address.
Appointment scheduling market share among UK B2B
Share of the 2,156 UK B2B with a detectable system. As of June 2026.
What else do Calendly-running B2B run?
Share of the 1,794 Calendly-running UK companies where each technology was also detected. As of June 2026.
Where Calendly 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.
7
Median headcount
£494.1K
Median UK turnover
4.2%
Above £5M turnover
117
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 2,810 companies, alongside financials and websites, in one Excel + CSV file.
Top UK B2B using Calendly
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 3 filingsDevelops sales enablement and customer onboarding software. Provides digital sales room workspaces where sales teams share content, proposals, quotes and action plans with buyers, track engagement…
Serves B2B revenue teams, including BDR/SDR teams, account executives, customer success, account management, CROs and partnerships managers involved in sales, onboarding, account management and…
Financial Health
StrongStrong · Growing, Hiring · 78% CAGR over 2y
Location
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Computed from 5 filingsProvides corporate travel management services through an online platform for booking flights, rail, hotels and car hire. Offers travel policy controls, spend and CO₂ reporting, traveller tracking,…
Serves businesses with corporate travel needs, targeting travel managers, office bookers and employees who travel for work, especially organisations needing spend visibility, policy compliance and…
Financial Health
StrongStrong · Hiring · 9% CAGR over 4y
Location
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Computed from 3 filingsProvides cloud-based contractor management and compliance software that tracks suppliers and subcontractors, manages prequalification, documents and safety credentials, automates approvals and…
Serves businesses with contractor-heavy supply chains, especially HSEQ, facilities, procurement and operations teams responsible for supplier, subcontractor and worker compliance across multiple…
Financial Health
StrongStrong · Growing · 0% CAGR over 2y
Location
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Computed from 3 filingsProvides cloud-based software for managing supplier pricing and rebate agreements. The platform centralises pricing and rebate data, automates calculations and workflows, and offers analytics and AI…
Sells to B2B procurement, finance and sales teams in distribution, manufacturing, retail, food services, and health and life sciences organisations managing complex partner and supplier agreements.
Financial Health
StrongStrong · Hiring · 25% CAGR over 2y
Location
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Computed from 5 filingsOperates an online bulk SMS platform that enables businesses to send, receive and manage text messages. Provides tools for marketing and transactional messaging, including scheduling, throttling, URL…
Sells to SMEs, enterprise organisations, NHS bodies and government teams in the UK, especially marketing, customer service and operations teams communicating with customers, patients and service…
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
Location
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Computed from 3 filingsProvides AI-assisted and human customer support and community management services, including helpdesk automation, outsourced contact centre agents, social media moderation, crisis monitoring, and…
Serves high-volume B2C brands and support teams in ecommerce, retail, finance, automotive, hospitality, health and charities, including organisations using helpdesks and social media communities.
Financial Health
HealthyHealthy · -20% CAGR over 2y
Location
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Computed from 5 filingsDevelops workforce management software for contact centres, providing demand forecasting, staff scheduling, schedule optimisation, real-time operations management, and tools for employee engagement…
Sells to enterprise contact centres and customer service operations, including high-volume organisations in travel, banking and financial services, targeting workforce management, operations and…
Financial Health
HealthyHealthy · Hiring · 17% CAGR over 5y
Location
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Computed from 5 filingsProvides business telecommunications and IT services including VoIP phone systems, business mobiles, broadband and Wi‑Fi, call recording and management software, computer telephony integration, and…
Serves UK businesses, particularly SMEs and multi-site operators in dental, hospitality, medical, veterinary, care homes, opticians, hotels, estate agencies and nurseries.
Financial Health
StrongStrong · Growing, Hiring · 7% CAGR over 4y
Location
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Computed from 5 filingsProvides cloud-based HR and payroll platform enabling companies to hire, pay, and manage employees and contractors internationally. Offers employer-of-record services, global payroll, compliance…
Serves businesses with international or distributed workforces, especially HR and people teams hiring employees or contractors across multiple countries, plus partners needing global hiring…
Financial Health
StrongStrong · Hiring · 101% CAGR over 4y
Location
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Computed from 3 filingsProvides consulting, implementation and managed services for the OneTrust data privacy platform, including cookie consent setup, consent and preference management, data subject request automation, AI…
Serves B2B organisations using or adopting OneTrust, particularly privacy, compliance, governance, security and risk teams responsible for data protection programmes and regulatory compliance.
Financial Health
StrongStrong · Hiring · 60% CAGR over 2y
Location
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Computed from 4 filingsProvides a software platform for influencer and creator marketing. Offers tools for creator discovery and evaluation, campaign management, payments, brand safety monitoring, and performance…
Serves enterprise marketing teams at global brands, agencies and direct-to-consumer businesses, especially in beauty, fashion, retail, gaming, media and sports, that run creator or influencer…
Financial Health
StrongStrong · Hiring · 43% CAGR over 3y
Location
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Computed from 5 filingsProvides recruitment and talent search services for accounting and finance, IT infrastructure and cloud, and business transformation roles. Supports organisations with permanent, contract and interim…
Serves employers of all sizes hiring accounting and finance, IT infrastructure and cloud, and transformation talent, including financial services, professional services, IT MSPs, educational…
Financial Health
StrongStrong · -2% CAGR over 4y
Location
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Computed from 5 filingsOperates and markets venues for corporate meetings, conferences, training sessions and team events across Europe. Provides residential and day meeting packages, meeting rooms, event planning support,…
Serves businesses planning corporate meetings, training, team events and conferences, including HR, learning and development, event and office teams seeking venues across major European cities.
Financial Health
StrongStrong · Growing, Hiring · 28% CAGR over 4y
Location
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Computed from 5 filingsProvides IT consultancy and software solutions focused on Microsoft technologies. Services include cloud strategy, migration and modernisation for Azure and Microsoft 365, workflow automation,…
Serves enterprise and mid-market organisations invested in Microsoft 365, Azure and Power Platform, especially IT, operations, compliance and HR teams managing cloud, data, governance, intranet and…
Financial Health
StrongStrong · Growing, Hiring · 14% CAGR over 4y
Location
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Computed from 5 filingsOrganises B2B events including industry summits, executive roundtables, networking dinners and virtual events. Also publishes business media such as magazines, interviews and masterclasses that…
Serves B2B technology and professional-service vendors seeking access to senior executives, and enterprise leaders such as CDOs, CMOs and CAIOs in data, marketing and AI across the UK.
Financial Health
StableStable · -5% CAGR over 4y
Location
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Computed from 5 filingsProvides software and booking management services for travel, accommodation, and event logistics. Offers platforms to manage apprenticeship and training programme travel, block accommodation,…
Serves B2B organisations delivering apprenticeships, residential learning, field-based training, corporate travel, meetings and events, including employers and training providers managing learner or…
Financial Health
HealthyHealthy · -65% CAGR over 4y
Location
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Computed from 5 filingsDevelops workforce management software for shift‑based organisations, providing tools for employee scheduling, time and attendance tracking, mobile clock‑in, payroll data export, incident reporting,…
Serves shift-based organisations with hourly workforces, including live events venues, security firms, temporary staffing agencies and fire departments, targeting shift, operations, finance and HR…
Financial Health
StrongStrong · Hiring · 7% CAGR over 4y
Location
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Computed from 5 filingsOperates flexible workspace centres offering serviced offices, coworking desks, meeting rooms, event spaces and virtual office services. Provides short‑term office space, business addresses, and…
Serves businesses, solopreneurs and teams seeking flexible workspace in Northern England and Scotland, from freelancers using coworking or virtual offices to larger brands needing offices, meeting…
Financial Health
StrongStrong · Growing, Hiring · 82% CAGR over 4y
Location
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Computed from 3 filingsProvides software for social housing providers and local authorities to manage tenant engagement, rent collection and debt recovery. Tools include automated communications, case prioritisation,…
Serves social housing providers, social landlords, housing associations and local authorities, particularly teams managing tenant engagement, rent arrears, revenues and benefits, compliance and…
Financial Health
StrongStrong · Growing, Hiring · 27% CAGR over 2y
Location
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Computed from 5 filingsProvides a business development platform for recruitment professionals. Aggregates direct employer job vacancies, company intelligence, and hiring manager contacts, and offers tools to research…
Sells to B2B recruitment agencies, staffing firms and individual recruiters seeking employer leads, company intelligence and outreach support for business development.
Financial Health
StrongStrong · Growing, Hiring · 37% CAGR over 4y
Location
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Computed from 5 filingsDevelops a software platform that aggregates public sector procurement data and tender notices, helping suppliers identify government contract opportunities, analyse markets, track expiring…
Sells B2B to suppliers pursuing public sector contracts, especially tech and software vendors, plus public sector sales, bid, and procurement teams that need to identify, qualify, track, and win…
Financial Health
StrongStrong · Growing, Hiring · 40% CAGR over 4y
Location
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Computed from 5 filingsProvides support services to an affiliated company that develops and operates a developer data platform. Activities include assisting with sales, marketing, and technical support for cloud database…
Serves software developers, startups, AI innovators and enterprise technology teams, with industry focus on financial services, telecoms, healthcare, retail, public sector and manufacturing.
Financial Health
StrongStrong · Hiring · 28% CAGR over 5y
Location
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Computed from 5 filingsDevelops cloud-based customer relationship management (CRM) software for sales and go-to-market teams. Platform provides customizable data models, workflow automation, AI-assisted search and…
Sells to B2B companies’ go-to-market, revenue, sales and business operations teams, especially teams managing customer data, outreach, pipelines and reporting.
Financial Health
StrongStrong · Growing, Hiring · 23% CAGR over 4y
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Computed from 5 filingsProvides software development staff augmentation and dedicated remote engineering teams. Sources and manages software engineers, designers and QA specialists, and supports creation of nearshore teams…
Serves B2B technology leaders, CTOs and product/engineering teams at companies needing to expand software development capacity with remote engineers, dedicated teams or R&D centres, particularly…
Financial Health
StrongStrong · Growing, Hiring · 32% CAGR over 4y
Location
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Computed from 3 filingsProvides B2B telemarketing services for technology companies, including lead generation, appointment setting, telesales campaigns, and event booking and follow‑up. Also supplies marketing data…
Targets B2B technology companies with field sales teams, including global IT vendors, distributors, systems integrators, value-added resellers and ISVs seeking outsourced sales and marketing campaign…
Financial Health
StableStable · -13% CAGR over 2y
Location
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Computed from 5 filingsProvides cloud consulting and engineering services including cloud migration, platform architecture, DevSecOps automation, and data and AI solutions. Works with platforms such as AWS and Microsoft to…
Serves IT and cloud leaders at mid-market and enterprise organisations, including financial services, retail, telecoms, property, manufacturing, energy, pharmaceuticals and satellite operators.
Financial Health
StrongStrong · Growing, Hiring · 53% CAGR over 4y
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Computed from 5 filingsProvides cloud-based IT infrastructure, communications systems, cybersecurity, and hosted legal technology software. Designs and manages tailored technology strategies and managed IT environments,…
Serves B2B customers, with a clear focus on law firms and legal practices, plus other professional firms needing managed technology, communications, security and legal software environments.
Financial Health
StrongStrong · Growing, Hiring · 9% CAGR over 4y
Location
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Computed from 5 filingsDevelops and provides local SEO software and services for businesses and marketing agencies. Platform tracks local search rankings, audits SEO performance, manages business listings and citations,…
Serves marketing agencies and consultants, small businesses, and multi-location brands, with users including local marketers managing search presence for one or many business locations.
Financial Health
StrongStrong · Growing, Hiring · 25% CAGR over 4y
Location
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Computed from 5 filingsProvides software and advisory services that help businesses identify and pursue public sector tenders. Platform aggregates tender notices, contract data and competitor insights, alongside bid…
Serves businesses and organisations of all sizes seeking to win and retain UK public sector contracts, including bid teams, business development leaders and suppliers targeting tender opportunities.
Financial Health
HealthyHealthy · Hiring · 29% CAGR over 5y
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Computed from 5 filingsProvides managed learning services for organisations, including learning strategy consultancy, design and development of training content, implementation and support of learning platforms such as LMS…
Serves corporate L&D and HR teams in large organisations, including FMCG retail, pharmaceutical and banking businesses, particularly those using Cornerstone, Degreed or 360Learning platforms.
Financial Health
StrongStrong · Growing, Hiring · 28% CAGR over 4y
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Computed from 5 filingsDevelops financial reconciliation software that automates matching and verification of transactions. The platform imports financial data, applies configurable matching rules, generates reports and…
Targets CFOs, finance managers and financial operations teams in B2B sectors including banking, fintech, asset management, insurance, gambling, hospitality and payments, from startups to large…
Financial Health
StrongStrong · Growing, Hiring · 28% CAGR over 4y
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Computed from 5 filingsProvides B2B lead generation and sales development services, including telemarketing, appointment setting, outsourced SDR support, email marketing, call handling, market research and marketing data…
Targets B2B organisations across multiple sectors, especially sales and marketing leaders needing external support to build pipeline, reach decision-makers and generate qualified opportunities.
Financial Health
StableStable · Hiring · 16% CAGR over 4y
Location
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Computed from 3 filingsProvides wired and wireless IT infrastructure, internet connectivity and VoIP services for flexible workspaces, coworking operators and commercial real estate. Also offers workspace management…
Serves B2B customers: flexible workspace, serviced office and coworking operators, plus commercial landlords and real estate portfolio owners across the UK and Europe.
Financial Health
StableStable · -2% CAGR over 2y
Location
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Computed from 5 filingsProvides energy consultancy and renewable energy services for businesses, including energy procurement, energy management, and strategy development. Supports installation of solar PV, combined heat…
Serves UK businesses and public-sector organisations seeking green energy solutions, including property managers, manufacturers, corporates, wholesalers, transport operators, schools, councils,…
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 4y
Location
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Computed from 3 filingsProvides IT consulting, managed services, and operational support for telecommunications and other organisations, including systems integration, data analytics, cybersecurity, ServiceNow…
Serves B2B telecoms and connectivity providers, especially alternative network operators and telcos scaling networks, modernising operations, or integrating businesses after M&A.
Financial Health
StrongStrong · Growing, Hiring · 91% CAGR over 2y
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Computed from 5 filingsProvides consultancy and brokerage services for business energy and water supply, including energy purchasing, portfolio management, bill validation, compliance support, consumption analysis and…
Serves businesses and organisations managing energy, water and sustainability needs, with sector focus on manufacturing, education, hospitality, retail, transport, logistics and distribution.
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
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Computed from 5 filingsProvides software development and IT consulting services, including cloud migration, enterprise application development, and systems integration. Builds case management systems, self‑service portals,…
Sells to businesses undergoing digital transformation, particularly organisations in housing, NHS and healthcare. Targets decision-makers needing software, cloud, case management, Microsoft…
Financial Health
StrongStrong · Growing, Hiring · 37% CAGR over 4y
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Computed from 5 filingsProvides SAP consultancy and technical services including cloud migrations, RISE with SAP implementation support, SAP BTP enablement, application lifecycle management (ALM), security services, and…
Serves organisations already using SAP, including businesses and government bodies, with complex technical, architecture, support or security challenges around their SAP landscapes.
Financial Health
StrongStrong · Growing, Hiring · 28% CAGR over 4y
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Computed from 5 filingsProvides a business finance platform that enables companies to pay supplier invoices in instalments, access short‑term cashflow loans and credit lines, and offer flexible payment terms to customers.…
Targets B2B customers: growing businesses managing supplier bills, VAT, inventory, asset purchases, marketing spend or software costs, plus finance brokers introducing client deals and tracking…
Financial Health
StrongStrong · Growing, Hiring · 80% CAGR over 4y
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Computed from 5 filingsProvides a software platform for product analytics and user experience management. Tracks user interactions in applications, with features including session replay, in‑app guides, feedback…
Serves B2B product, engineering, marketing and customer success teams at software-led companies managing web/mobile apps and AI agents across digital product portfolios.
Financial Health
StrongStrong · Hiring · 30% CAGR over 4y
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Computed from 5 filingsDevelops and operates an online recruitment and applicant tracking platform for schools, colleges, and multi‑academy trusts. Enables education employers to advertise vacancies, manage applications,…
Serves schools, colleges and multi-academy trusts recruiting education staff, alongside candidates seeking teaching and support roles in education.
Financial Health
StrongStrong · Growing, Hiring · 48% CAGR over 4y
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Computed from 4 filingsProvides IT consultancy and managed services focused on Microsoft technologies. Designs, implements and supports cloud solutions including Microsoft 365, Azure and Power Platform, along with managed…
Serves businesses of all sizes seeking Microsoft cloud, security and managed IT support, including organisations adopting M365, Azure, Power Platform and Teams.
Financial Health
StrongStrong · Growing, Hiring · 10% CAGR over 4y
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Computed from 5 filingsProvides an online management platform and directory for GP practices, offering compliance tools, training, HR and rota software, policy and benchmarking systems, and resources. Also lists suppliers…
Sells to UK GP practices, practice managers and surgery teams, plus suppliers and recruiters seeking access to the primary care market.
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 4y
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Computed from 5 filingsProvides B2B lead generation and demand generation services for governance, risk and compliance (GRC) and RegTech technology vendors, including email marketing, multi‑channel outreach, appointment…
Serves B2B GRC, RegTech, CyberTech, FinTech and InsurTech vendors targeting risk and compliance decision-makers across global markets.
Financial Health
StrongStrong · Hiring · 16% CAGR over 4y
Location
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Computed from 5 filingsProvides consulting, implementation and support services for Atlassian software including Jira and Jira Service Management. Helps organisations migrate to Atlassian Cloud, configure workflows,…
Serves businesses using Atlassian tools, particularly IT, service management and project teams seeking Jira-based workflow, migration and optimisation support. Targets organisations needing…
Financial Health
StrongStrong · Growing, Hiring · 50% CAGR over 4y
Location
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Computed from 5 filingsProvides search engine marketing services, managing and optimising paid search advertising campaigns on platforms such as Google and Bing. Uses proprietary AI tools and analytics to audit accounts,…
Serves marketing and growth teams at global brands and high-growth companies, especially mature, high-spend advertisers in travel and ecommerce operating across multiple markets and languages.
Financial Health
StrongStrong
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Computed from 5 filingsProvides databases, marketing lists and research on UK public sector organisations, including government, NHS, education and housing. Supplies contact data on officials and organisations, analytics…
Serves businesses, charities and public bodies seeking to reach UK public sector organisations, including local government, NHS, central government, education and housing contacts.
Financial Health
StrongStrong · Growing, Hiring · 4% CAGR over 4y
Location
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Financial sub-scores
Computed from 2 filingsProvides outsourced telemarketing services including B2B and B2C lead generation, sales appointment setting, and prospect outreach. Conducts telephone campaigns to identify potential customers,…
Serves B2B and B2C organisations, including high street brands and growing businesses, seeking outsourced support for sales and marketing outreach.
Financial Health
HealthyHealthy · 0% CAGR over 1y
Location
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Financial sub-scores
Computed from 3 filingsProvides warehouse automation consulting and system integration services, including warehouse strategy, simulation and design, installation of robotics, conveyor and software systems, and ongoing…
Serves B2B warehouse and logistics operators, including manufacturers, 3PLs, retailers, e-commerce firms, grocery, healthcare, post and parcel, fashion and apparel businesses, and airports.
Financial Health
StrongStrong · Growing, Hiring · 41% CAGR over 2y
Location
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Financial sub-scores
Computed from 2 filingsDevelops cloud-based no‑code software for construction and industrial companies to digitise site paperwork and operational processes, including safety management, quality tracking, field reporting,…
Serves B2B industrial and built-environment companies, including construction, engineering, infrastructure and asset-intensive firms with field, safety, quality, fleet, project delivery and…
Financial Health
StrongStrong · Growing, Hiring · 91% CAGR over 1y
Location
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2,760 more companies and their verified directors are in the file
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How Calendly 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.
Calendly 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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