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security Using Gravity Forms in the UK: 203 Active Firms (2026)
Security services companies running embedded website form tools provide guarding, key holding and related physical protection across the UK.
For contract-security operators, an embedded form-builder tends to sit close to the revenue and workforce edges of the website: quote requests, vacant-post applications, incident follow-up, key-holding enquiries and customer contact. Its use usually points to a content-managed marketing site with enough admin resource to maintain controlled web workflows, but not necessarily a custom portal build. The relevant buying centres are operations, sales, recruitment and customer service, serving commercial, public-sector, property, infrastructure and facilities-management customers that expect traceable enquiry handling.
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Across the UK, 203 active physical security services providers are running this form-builder on public websites. Within detected form-builder use in the sector, it ranks second, accounting for 20.1% of detections across a denominator of 1,012; the category is otherwise concentrated around the most-used alternative at 63.9%. Registered-office skew is southern: South East 22.7%, London 16.3%, East of England 14.3%; North West 10.3% and West Midlands 7.4% follow. Employment reporting is narrower, with 77 firms reporting 6,426 staff in total.
Private-security operators running embedded forms sit inside the SIA licensing environment, so website workflows are not just marketing plumbing. Where forms collect guard recruitment details, key-holding enquiries or incident follow-up, teams need a clean hand-off between web submissions, licence checks, scheduling and customer-service records. GDPR also matters when forms capture site access, contact details or incident context from commercial clients. Supplier due diligence tends to focus on hosting, spam prevention, access controls and retention, especially where public-sector or infrastructure customers are involved.
Adoption appears likely to remain tied to website refresh cycles rather than platform replacement programmes. Security providers that rely on recruitment pipelines and quote-led sales tend to keep embedded forms because they are cheap to change and familiar to agencies, but buyers with stricter assurance requirements may push submissions into CRM, case-management or applicant-tracking systems. The likely split is between lower-admin websites using standard form capture and larger operators routing the same interactions through controlled workflow layers.
203
Active firms
2026
20.1%
Of detected Form builders share
UK security
9
Median headcount
Filed accounts
455
Verified contacts
Across this cohort
Key facts
About 9% of the trading cohort reports turnover above £5M (19 of 203 firms) — the rest sits below that revenue band.
5% of the cohort was incorporated since 2022 (11 firms), so a sizeable share is in its first few filing cycles.
Among security-services firms with a detectable form-builder system, this cohort represents 20.1% (203) of detections, compared with 63.9% (647) for the category leader.
Registered offices skew towards the South East, which accounts for 22.7% (46) of the form-tool cohort, ahead of London at 16.3% (33) and the East of England at 14.3% (29).
All detected sites in the cohort run the same content management system, at 100.0% (203), with bot-check tooling also present on 66.0% (134).
SIA licensing applies where security work is supplied under a “contract for services” and involves a “licensable activity”, including manned guarding, key holding and vehicle immobilisation in Northern Ireland.
Government export statistics put total UK security exports at £12.9 billion in 2024, up 16.6% on 2023 in nominal terms; physical security accounted for 33%, worth £4.3 billion.
Form builders market share among UK security
Share of the 1,012 UK security with a detectable system. As of June 2026.
What else do Gravity Forms-running security run?
Share of the 203 Gravity Forms-running UK companies where each technology was also detected. As of June 2026.
Where Gravity Forms security 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.
9
Median headcount
£860.3k
Median UK turnover
9.4%
Above £5M turnover
11
Incorporated since 2022
455 verified decision-maker contacts
across these 203 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK security using Gravity Forms
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.
TARIAN GROUP LIMITED
Financial sub-scores
Computed from 4 filingsProvides security and risk management services, including uniformed guarding, integrated security technology systems, risk advisory, and preparedness training. Serves sectors such as aviation,…
Serves B2B and public sector clients in regulated and critical sectors, including aviation, healthcare, education, government facilities, utilities, petrochemical, maritime, manufacturing,…
Financial Health
StableStable · Hiring · 26% CAGR over 3y
Location
First Response
Provides security services including manned guarding, mobile patrols, canine units, event and construction site security, and key holding with alarm response. Designs and installs CCTV, access…
Serves UK businesses and public sector organisations in construction, infrastructure, utilities, commercial property, retail, industrial sites, healthcare, hospitality, higher education, student…
Location
Carlisle Support Services
Provides security services and consultancy alongside cleaning and facilities management, event staffing, rail support services, vegetation and landscaping maintenance, and workforce training. Serves…
Serves public and private sector organisations across the UK, including higher education institutions, healthcare facilities, manufacturers, retailers, transport and rail operators, government…
Location
CANNON GUARDS SECURITY LTD
Financial sub-scores
Computed from 4 filingsProvides security services including manned guarding, CCTV monitoring and remote surveillance, mobile alarm response, keyholding and patrols, access control, close protection, and event security.…
Serves businesses, public sector organisations and some residential customers needing security personnel and monitoring, including airports, construction sites, retail outlets, hospitals, schools,…
Financial Health
StrongStrong · Growing, Hiring · 13% CAGR over 3y
Location
Venture Security Management Limited
Financial sub-scores
Computed from 4 filingsProvides security services including manned guarding, mobile patrols, CCTV monitoring, key holding and alarm response. Delivers security for corporate offices, construction sites, residential…
Serves commercial, public sector and residential customers across southern England, including construction sites, offices, utilities, private estates, cultural venues, events, manufacturers, housing…
Financial Health
StrongStrong · Hiring · 23% CAGR over 3y
Location
OCULUS SECURITY SOLUTIONS LIMITED
Financial sub-scores
Computed from 3 filingsProvides facilities management services including security, cleaning and property maintenance. Offers manned guarding, CCTV monitoring, alarm response and keyholding, contract and window cleaning,…
Serves commercial property owners, facilities managers, housing associations, schools, councils and multinational businesses across the UK, including offices, warehouses, public spaces, leisure…
Financial Health
StrongStrong · Growing, Hiring · 14% CAGR over 2y
Location
SGC Support Services UK Limited
Financial sub-scores
Computed from 3 filingsProvides manned security services for businesses and events, including security guarding, crowd safety and stadium security, mobile patrols and key holding, close protection, CCTV and alarm systems,…
Serves UK businesses and public-sector organisations needing security support, including facilities management providers, NHS trusts, government bodies, stadium and event operators, commercial…
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
Amberstone Security Limited
Financial sub-scores
Computed from 2 filingsProvides integrated security services including manned guarding, risk advisory, CCTV and security technology systems, temporary security, drone surveillance, and vacant property protection. Designs…
Serves businesses and public sector organisations across the UK and Europe, including large retailers, business improvement districts, healthcare facilities and owners or managers of vacant…
Financial Health
StableStable · Profitable, Hiring · 25% CAGR over 1y
Location
Tcfm
Financial sub-scores
Computed from 5 filingsProvides facilities management services including commercial and office cleaning, specialist cleaning, manned guarding, mobile patrols, and remote monitoring. Also delivers support services such as…
Serves UK businesses and public-sector organisations, including offices, retail, hospitality, logistics, manufacturing, healthcare, education, social housing, charities, construction, transport, food…
Financial Health
StableStable
Location
Tcfm
Provides facilities management services including commercial and office cleaning, security guarding, mobile patrols, remote monitoring, and specialist cleaning. Also offers waste management, pest…
Serves UK businesses and public/social sector organisations, including offices, retailers, hospitality and leisure venues, managing agents, logistics, manufacturing, construction, healthcare,…
Location
HDS SECURITIES CONTRACTS LTD.
Financial sub-scores
Computed from 4 filingsProvides security services including manned guarding, mobile patrols, key holding and alarm response. Also delivers port and passenger terminal security, warehouse security, and related security…
Serves B2B customers in ports, passenger terminals, logistics and warehousing, including port operators, cruise line operators and businesses with commercial premises requiring contracted security…
Financial Health
StrongStrong
Location
MARPOL SECURITY LTD
Financial sub-scores
Computed from 5 filingsProvides commercial security services including manned guarding, mobile patrols, CCTV installation and remote monitoring, alarm response, keyholding, vacant property inspections, and guard dog units.…
Sells to businesses and organisations needing security for premises and sites, especially in construction, corporate offices, retail, hospitality, car parks, vacant properties, insolvency cases and…
Financial Health
StrongStrong · Growing, Hiring · 244% CAGR over 4y
Location
Elite Security Manned Guarding Limited
Financial sub-scores
Computed from 5 filingsProvides manned security guarding and mobile security services including gatehouse and site security, reception and concierge duties, access control, CCTV monitoring, keyholding and alarm response,…
Serves B2B property and facilities buyers, including property management companies, managing agents, pension funds, shopping centres, retail parks, vacant property owners and commercial sites.
Financial Health
StableStable · -3% CAGR over 4y
Location
RELYON SERVICES LTD
Financial sub-scores
Computed from 5 filingsProvides security, cleaning and facilities management services for commercial premises, including security guards, mobile patrols, key holding, vacant property protection, commercial CCTV systems,…
Serves UK businesses and commercial premises managers, including offices, medical facilities, vacant properties and event sites, with buyers responsible for premises, operations and facilities.
Financial Health
HealthyHealthy
Location
K4 SECURITY SERVICES LIMITED
Financial sub-scores
Computed from 5 filingsProvides security services including manned guarding, door supervision, CCTV monitoring, mobile patrols, key holding and alarm response. Also delivers event security planning and stewarding, CCTV and…
Serves public and private sector clients across the UK, including commercial, residential, retail, corporate and industrial organisations, plus event organisers.
Financial Health
WeakWeak · -4% CAGR over 4y
Location
Innovative Security Solutions Limited
Financial sub-scores
Computed from 5 filingsProvides private security services including manned guarding, mobile patrols, key holding and alarm response, CCTV monitoring, and event security. Also supplies security for construction sites,…
Sells B2B security services to businesses and site operators, including construction, corporate offices, hotels, hospitals, retailers, warehouses, logistics firms and vacant property owners, plus…
Financial Health
HealthyHealthy · -16% CAGR over 4y
Location
IPM SECURITY & FM LTD
Financial sub-scores
Computed from 2 filingsProvides security and facilities management services including CCTV installation and monitoring, security guards, door supervision, mobile patrols and key holding. Also supplies access control, fire…
Serves public and private sector organisations, including councils, NHS bodies, high street retailers, catering and hospitality operators, social housing schemes, leisure venues, stadiums and event…
Financial Health
HealthyHealthy · 0% CAGR over 1y
Location
ASCOT SERVICES UK LIMITED
Financial sub-scores
Computed from 5 filingsProvides facilities management and building services including cleaning and hygiene, security, engineering maintenance, asset management, concierge and front‑of‑house services, construction and…
Serves UK businesses and public-sector organisations managing property portfolios, including leisure operators, social housing providers, schools, commercial offices and health services.
Financial Health
StableStable · -62% CAGR over 4y
Location
Wise Security Services Limited
Financial sub-scores
Computed from 5 filingsProvides security and stewarding services for events, venues and commercial properties. Offers manned guarding, crowd management, close protection, traffic management, facilities management and…
Serves B2B and public-sector buyers responsible for events, venues, commercial properties and public spaces, including racecourses, arenas, sports events and facilities managers across the UK.
Financial Health
StrongStrong · Growing, Hiring · 24% CAGR over 4y
Location
COBRA SPECIALIST SECURITY SERVICES LTD
Financial sub-scores
Computed from 5 filingsProvides security services including manned guarding, CCTV monitoring and installation, keyholding and alarm response, mobile patrols, retail security, dog handlers, and event security, alongside…
Serves businesses and public-sector organisations across the UK and Ireland, including commercial and industrial sites, retailers, event organisers, local councils, food preparation businesses, and…
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
Secure Frontline Services Limited
Financial sub-scores
Computed from 5 filingsProvides security services including door supervision, corporate and construction site security, retail and hospitality security, event stewarding, close protection, residential security, CCTV…
Sells to businesses, private clients and some public sector organisations needing security services, including offices, retail and hospitality venues, construction sites, event organisers, shopping…
Financial Health
StrongStrong · Growing, Hiring · 3% CAGR over 5y
Location
Mane K9 Security Services Ltd
Financial sub-scores
Computed from 5 filingsProvides security services including manned guarding, security dog teams and search and detection dogs. Also offers event security, mobile patrols, key holding and alarm response, CCTV tower…
Serves UK organisations needing outsourced security, including event organisers, property owners or managers, construction and vacant-site operators, and businesses requiring guarding, patrol or…
Financial Health
StrongStrong · Growing, Hiring · 35% CAGR over 4y
Location
G AND A SECURITY NE LTD
Financial sub-scores
Computed from 5 filingsProvides commercial security services including monitored CCTV, alarm response and key holding, manned guarding, mobile patrols, access control systems, concierge security, vacant property…
Serves businesses across North East England needing temporary or long-term security support, including construction sites, event operators, remote locations, vacant property owners, corporate…
Financial Health
StrongStrong · Growing, Hiring · 14% CAGR over 4y
Location
Umbrella Security Solutions Ltd
Financial sub-scores
Computed from 5 filingsProvides manned security services including security guards, mobile patrols, dog handlers and event security. Also supplies CCTV and remote monitoring, rapid‑deployment CCTV units, and alarm response…
Serves businesses, event organisers and other organisations of all sizes requiring security support across the UK, with emphasis on Birmingham, Coventry, London, Manchester, Solihull and…
Financial Health
StrongStrong · Hiring · 8% CAGR over 4y
Location
WESTGROVE TECHNICAL SERVICES LTD
Financial sub-scores
Computed from 3 filingsProvides facilities management services including commercial cleaning, security staffing, front of house services, and planned and reactive mechanical and electrical maintenance for retail,…
Serves B2B facilities and property teams across the UK, including shopping centres, corporate and commercial sites, leisure and events venues, manufacturing and distribution operations, and critical…
Financial Health
StrongStrong · Growing · 0% CAGR over 2y
Location
SSS Management Services Limited
Financial sub-scores
Computed from 3 filingsProvides facilities and security management services for multi-site organisations, including contractor selection and dispatch, service auditing, monitoring and alarm receiving centre operations,…
Serves multi-site businesses and organisations with large property estates that need outsourced oversight of security and facilities services, including helpdesk, monitoring and contractor management…
Financial Health
StableStable · Hiring · 11% CAGR over 2y
Location
Universal Commercial Guarding Limited
Financial sub-scores
Computed from 5 filingsProvides private security services for commercial clients, including manned security officers, mobile and static patrols, event security, keyholding, fire watch, and 24/7 remote monitoring. Also…
Serves B2B and organisational buyers needing tailored security services, especially corporate clients, property and facilities teams, commercial building managers, event organisers, and organisations…
Financial Health
StableStable · -8% CAGR over 4y
Location
Manchett Group Ltd
Financial sub-scores
Computed from 5 filingsProvides facilities management, security services, construction logistics, data centre cleaning, access solutions for working at height, interior fit‑out, and commissioning services for construction…
Serves B2B clients across the UK and Europe, including data centres, construction projects and organisations needing facilities, security, fit-out, access and commissioning support across a range of…
Financial Health
StableStable · -6% CAGR over 4y
Location
EXPRESS SECURITIES LIMITED
Financial sub-scores
Computed from 4 filingsProvides security services including manned guarding, retail security, reception staffing and mobile patrols. Also designs and installs CCTV surveillance, access control and alarm systems, and offers…
Serves business clients in the UK and internationally, including retailers, offices, commercial premises and organisations needing on-site guarding, reception security, patrol coverage, CCTV…
Financial Health
StableStable · 0% CAGR over 3y
Location
KEY CONTROL SERVICES LTD
Financial sub-scores
Computed from 5 filingsProvides commercial security services including key holding and alarm response, mobile patrols, manned guarding, lock and unlock services for business premises, and inspections and security for…
Serves SMEs, large businesses and public-sector organisations with commercial premises across the North West and wider UK, including sectors such as healthcare, telecoms, builders’ merchants and…
Financial Health
StableStable · Hiring · 4% CAGR over 4y
Location
WWR SERVICES LIMITED
Financial sub-scores
Computed from 5 filingsProvides manned security services including security guards, event security, mobile patrols and dog handlers. Offers CCTV systems, rapid deployment CCTV units, and remote monitoring and alarm…
Sells to businesses and event organisers needing manned guarding, CCTV monitoring, mobile patrols and related security support, serving customers across the UK, with particular emphasis on…
Financial Health
StableStable · 0% CAGR over 4y
Location
TC Security Solutions Ltd
Financial sub-scores
Computed from 5 filingsProvides facilities management services for commercial and public sector buildings, including contract cleaning, specialist and high‑level cleaning, manned guarding, mobile patrols, alarm response…
Serves UK businesses and public-sector organisations across offices, retail, hospitality, healthcare, education, social housing, logistics, manufacturing, construction, transport, pharmaceuticals,…
Financial Health
DistressedDistressed · 0% CAGR over 4y
Location
REASSURANCE SECURITY SERVICES LIMITED
Financial sub-scores
Computed from 5 filingsProvides security services including manned guarding, mobile patrols, keyholding and alarm response for commercial and educational premises. Supplies SIA-licensed security personnel for site…
Serves businesses and education-sector organisations, especially universities, colleges and schools, across London, Hertfordshire, Berkshire, Buckinghamshire, Cambridgeshire, Bedfordshire and the…
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
K9 KNIGHTS SECURITY LTD
Financial sub-scores
Computed from 5 filingsProvides security services including K9 patrols and search teams, personal protection, corporate guarding and surveillance. Installs and monitors CCTV, intruder and fire alarms, and offers access…
Serves wealthy private clients, corporate property owners, private schools, event organisers, and public-sector or commercial sites including aviation, ports, prisons, retail and leisure facilities.
Financial Health
StableStable · Hiring · 32% CAGR over 4y
Location
St. George Facilities Limited
Financial sub-scores
Computed from 5 filingsProvides integrated facilities management services including commercial cleaning, security guarding and patrols, CCTV monitoring, building maintenance, HVAC and plumbing, catering, waste management,…
Serves businesses and public sector organisations with building portfolios, including construction, utilities, corporate offices, transport and logistics, retail, education, food manufacturing,…
Financial Health
StableStable · 0% CAGR over 4y
Location
COLE STREET SERVICES LTD
Financial sub-scores
Computed from 3 filingsProvides security and facilities support services including static guarding, mobile patrols, key holding and alarm response, security systems monitoring, concierge and reception security, fire watch,…
Serves public and private sector organisations across Greater Manchester and the North West, including schools, landlords and commercial property owners needing security, facilities, cleaning and…
Financial Health
StableStable · 0% CAGR over 2y
Location
M J Events Support Limited
Financial sub-scores
Computed from 5 filingsProvides event security and stewarding, crowd management, and support staff for festivals, conferences, and sporting events. Also supplies static security guards and manages event parking and traffic…
Serves event organisers, festivals, sporting events, conferences, local authorities and social housing providers needing security, stewarding, event support staff and parking operations.
Financial Health
StrongStrong · Growing · 2% CAGR over 4y
Location
MONTAGUE PARR LIMITED
Financial sub-scores
Computed from 5 filingsProvides manned security services including static guarding, mobile patrols, concierge/security reception, and close protection. Supplies licensed security officers for commercial sites and other…
Serves businesses and organisations requiring manned security at offices, facilities and other sites, including clients needing static guarding, mobile patrols and concierge security support.
Financial Health
DistressedDistressed · -20% CAGR over 4y
Location
RISK MANAGEMENT SERVICES (CHILTERN) LTD
Financial sub-scores
Computed from 5 filingsProvides security services for commercial and residential sites, including manned guarding, mobile patrols, keyholding and alarm response, dog handling and reception security, with patrol and…
Serves public and private sector organisations, commercial premises and residential clients across Buckinghamshire, Berkshire, Oxfordshire and surrounding counties, including education, offices,…
Financial Health
WeakWeak · -67% CAGR over 4y
Location
SECUR-80 Limited
Financial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · Hiring · 12% CAGR over 4y
Location
KPK SECURITY LTD
Financial sub-scores
Computed from 3 filingsProvides security services including manned guarding, control room monitoring, facility management, and scheduled locking and unlocking of premises, supporting businesses and properties with on-site…
Serves businesses and organisations across the UK, particularly facility and property managers responsible for securing commercial premises and assets.
Financial Health
StrongStrong
Location
JSM Management Group Ltd
Financial sub-scores
Computed from 4 filingsProvides security, cleaning and waste removal services for businesses and sites. Services include site guarding, key holding, CCTV monitoring, office and builders cleaning, student end‑of‑tenancy…
Serves businesses and property managers nationwide, especially construction sites, offices, student accommodation operators and facilities teams needing outsourced security, cleaning, waste removal…
Financial Health
StrongStrong · Growing, Hiring · 258% CAGR over 3y
Location
KESTREL GUARDS LIMITED
Financial sub-scores
Computed from 5 filingsProvides SIA-licensed security services including manned guarding, mobile patrols, keyholding and alarm response. Also offers lock and unlock services, K9 security, close protection, construction…
Serves homeowners, property owners, businesses, commerce, industry, local government and leisure organisations across Hampshire, Dorset, Devon, Cornwall and the South/South West of England.
Financial Health
StableStable · -69% CAGR over 4y
Location
CLEARVIEW SECURITY LTD
Financial sub-scores
Computed from 5 filingsProvides security services including manned guarding, mobile patrols, key holding and alarm response. Installs and monitors CCTV and alarm systems, and operates a monitoring centre offering personnel…
Serves private and commercial clients across Shropshire and the UK, including homeowners, business parks, construction sites, and organisations responsible for lone workers, key personnel,…
Financial Health
HealthyHealthy · Hiring · 8% CAGR over 5y
Location
CITY GROUP SECURITY LIMITED
Financial sub-scores
Computed from 5 filingsProvides private security services including security officers, mobile patrols, key holding and alarm response, 24‑hour monitoring, vacant property inspections, front‑of‑house reception security,…
Serves businesses and property stakeholders needing outsourced security, including commercial premises, vacant property owners/managers, farms, residential blocks, and organisations needing…
Financial Health
WeakWeak · -53% CAGR over 4y
Location
Headline Security Limited
Financial sub-scores
Computed from 3 filingsProvides security services including close protection for individuals, static guarding for premises and assets, and security for events such as concerts, sports events, conferences and exhibitions,…
Serves high-profile individuals, businesses and property operators needing protection for people, assets and premises, plus organisers of concerts, sports events, conferences, exhibitions, community…
Financial Health
WeakWeak · 0% CAGR over 2y
Location
COMPREHENSIVE FIRE AND SECURITY SOLUTIONS LIMITED
Financial sub-scores
Computed from 3 filingsProvides fire safety and security services for commercial and institutional premises, including fire risk assessments, fire marshal training, fire door inspections, extinguisher servicing, emergency…
Serves local businesses and organisations needing fire safety and security support, including construction sites, commercial premises, caravan and holiday home operators, farms, healthcare providers,…
Financial Health
DistressedDistressed · -22% CAGR over 2y
Location
SecureForce UK Ltd
Financial sub-scores
Computed from 5 filingsProvides private security services including manned guarding, mobile patrols, event and retail security staff, and construction site guards. Installs and maintains security systems such as intruder…
Serves businesses, commercial property owners and managers, public sector sites, event organisers, retailers, construction sites and sports venues across Devon, with coverage extending to Cornwall…
Financial Health
HealthyHealthy · -4% CAGR over 4y
Location
Hallmark Security Ltd
Financial sub-scores
Computed from 4 filingsProvides security services including manned guarding, patrol dog teams, residential and event security, electronic security systems with monitoring, and dog restraint services enabling bailiffs,…
Serves businesses and households needing security, including commercial clients, homeowners, event organisers, bailiffs, utility companies and recovery agents, with nationwide coverage also aimed at…
Financial Health
WeakWeak · 0% CAGR over 3y
Location
Provide SESS Limited
Financial sub-scores
Computed from 5 filingsProvides security services including event security and stewarding, manned guarding, door supervision, key holding and alarm response, mobile patrols, corporate security, crowd safety management, and…
Serves UK event organisers, sporting and cultural venues/events, corporate clients, and community organisations, especially within the Home Counties, needing outsourced security support.
Financial Health
StrongStrong · Growing, Hiring · 20% CAGR over 4y
Location
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How Gravity Forms 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. security 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 security 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.
Gravity Forms is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
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