Companies Using Site Kit in Cardiff: 106 Active Firms (2026)
Companies in Cardiff running website measurement tools operate across commercial sectors while maintaining public sites in the metropolitan area.
Operational ownership usually sits with marketing, web administration or an external agency, rather than a central analytics function. Companies running Site Kit are using measurement as part of everyday site management: checking whether public pages attract relevant visits, whether search demand is visible, and whether enquiries or service pages need attention. That adoption pattern points to a modest but intentional digital budget, a content-managed website that is updated often enough to justify monitoring, and some internal appetite for evidence in sales, recruitment or customer communications. Engagements tend to be low-friction: configuration, consent review, dashboard use and periodic reporting, not long procurement cycles or enterprise-wide analytics programmes.
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Cardiff has 106 active companies running Site Kit, giving the city a modest but visible adoption base among public-facing employers. Reported employment across the cohort totals 2,858 people, so the footprint is not confined to hobby sites or dormant web estates. Construction accounts for 18.9% of the cohort, followed by field services and trades at 17.9%. Travel and hospitality, advanced manufacturing, and healthcare providers each account for 11.3%, with overlap between sector tags. The spread points to practical website measurement across businesses that need enquiries, bookings, patient or customer information, and recruitment traffic to be legible to non-specialist teams.
Cookie consent is the practical regulatory issue for most Cardiff organisations running this stack. Site measurement can fall under UK GDPR and the Privacy and Electronic Communications Regulations where identifiers, analytics cookies or enquiry forms are in use, with the ICO setting expectations on transparency and user choice. Procurement is usually channel-led rather than board-led: a web agency, marketing manager or operations lead selects and maintains the tooling, then legal or IT checks processor terms where personal information is collected. Healthcare providers and customer-service-heavy businesses have a narrower margin for casual configuration, because contact forms and service pages can bring sensitive context into otherwise routine web workflows.
Adoption appears likely to follow the maintenance cycle of content-managed websites. Site Kit users tend to value convenience over specialist depth, so churn may come when agencies rebuild sites, bundle measurement into wider hosting packages, or move clients toward more controlled consent and reporting setups. At the same time, smaller commercial teams have been under pressure to show which pages generate enquiries without adding another standalone platform. That favours simple measurement embedded near publishing workflows. The Cardiff cohort may therefore remain mixed: some employers will graduate into agency-managed reporting, while many keep lightweight site instrumentation because it is good enough for local acquisition and service communication.
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 Site Kit rises with company size across the trading companies in this cohort. 0.3% of the 25,287 companies with under 10 employees run Site Kit (71 detected). 1.8% of the 1,326 companies with 10–50 employees run Site Kit (24 detected). 5.4% of the 167 companies with over 50 employees run Site Kit (9 detected). That is a 5.1% gap between the over 50 employees and under 10 employees bands.
106
Active firms
2026
8
Above £5M turnover
Trading firms
6
Median headcount
Filed accounts
251
Verified directors
Across this cohort
Top companies using Site Kit in Cardiff
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.
Produces low‑carbon steel products including reinforcing bars, high‑yield coils, and wire rod for construction, transport, and energy sectors. Also operates steel manufacturing, processing, and…
Serves B2B customers in UK construction, infrastructure, transport and energy sectors, including contractors, fabricators and project teams buying reinforcing bar, high-yield coil and wire rod.
Location
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Computed from 3 filingsOperates five- and seven-a-side football centres offering all-weather pitch hire, organised amateur leagues, youth soccer schools and holiday camps. Also hosts parties, corporate team-building…
Serves adults, students, women’s teams, corporate groups and casual players in Cardiff and Newport, plus parents seeking children’s football activities and parties, and groups planning team-building,…
Financial Health
WeakWeak · 4% CAGR over 2y
Location
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Computed from 3 filingsProvides residential and commercial estate agency services including property sales, lettings, and marketing. Offers property valuations, landlord services, land and new homes sales, auctions, and…
Serves homeowners, buyers, landlords, tenants and property investors, plus commercial property clients and land/new homes developers across Cardiff, the Vale of Glamorgan and RCT.
Financial Health
StableStable
Location
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Computed from 3 filingsProvides home healthcare and nursing services, delivering personalised care for patients in their own homes. Services include in-home nursing, personal care support, and ongoing assistance from…
Serves private patients and families needing home nursing, personal care and healthcare support, with emphasis on people receiving care at home in Cardiff and Newport.
Financial Health
HealthyHealthy · -50% CAGR over 2y
Location
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Computed from 3 filingsOperates a multi-brand gambling and bookmaking business offering online betting platforms and on-course betting services, enabling customers to place wagers on sporting events under licences…
Serves adult consumer gambling customers, including racecourse/on-course bettors and online betting users, through multiple brands; its market is B2C rather than business or public-sector buyers.
Financial Health
StrongStrong · Growing, Hiring · 123% CAGR over 2y
Location
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Computed from 5 filingsOperates care homes providing residential, nursing and dementia care for older adults. Services include accommodation, personal care, medical support, and daily living assistance, with staff…
Serves older adults needing residential, nursing or dementia care, and their families seeking care home placements across Mid and South Wales.
Financial Health
StableStable · 2% CAGR over 4y
Location
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Computed from 4 filingsProvides business communications and IT services including VoIP and hosted telephony, phone systems, broadband and leased line connectivity, managed Wi‑Fi and SD‑WAN, mobile solutions, Microsoft 365…
Sells to UK businesses needing integrated communications, connectivity, IT support and cyber security. Serves organisations seeking business telephony, broadband, mobile, Microsoft 365, IoT and…
Financial Health
DistressedDistressed
Location
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Computed from 5 filingsProvides consultancy and software solutions using Microsoft technologies to support project and portfolio management, risk oversight, and business process management. Develops tools such as iCoPlan,…
Serves UK public sector organisations, especially central government departments, healthcare bodies and local authorities, targeting PMO, risk, governance and business management teams responsible…
Financial Health
HealthyHealthy · Hiring · 12% CAGR over 4y
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Computed from 5 filingsOperates short‑term accommodation offering self‑contained guest rooms for holiday and business stays. Provides amenities including private bathrooms, kitchen access, and workspace, and features an…
Serves leisure and business travellers visiting Cardiff, including families, pet owners, couples, weekend groups, hen parties, reunions, rugby fans and professionals needing short stays near the city…
Financial Health
WeakWeak
Location
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Computed from 5 filingsDevelops bespoke business software and web applications, including CRM systems, learning management platforms, workflow and logistics management tools, and database solutions. Provides software…
Sells to businesses and public sector organisations needing bespoke software, especially larger UK enterprises in healthcare, manufacturing, transport and logistics, education, sport and leisure,…
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
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Computed from 5 filingsSupplies neurodiagnostic and neurophysiology equipment and consumables, including EEG, EMG, transcranial magnetic stimulation, intraoperative monitoring, vision testing and sleep study systems. Also…
Serves healthcare organisations, clinical neurophysiology departments and critical care teams across the UK and Ireland that need neurodiagnostic, neuromonitoring and related clinical equipment…
Financial Health
StrongStrong · Growing, Hiring · 32% CAGR over 4y
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Computed from 5 filingsManufactures air distribution and fire safety components for HVAC systems, including fan coil units, air diffusers, grilles, VAV units, and fire and smoke dampers. Also provides commissioning,…
Serves B2B construction and building-services markets, including M&E contractors, consulting engineers, installers and facilities teams needing air distribution and fire safety products for…
Financial Health
HealthyHealthy · -3% CAGR over 4y
Location
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Computed from 4 filingsProduces television programming including reality competition series, entertainment shows, and awards broadcasts. Develops and delivers unscripted formats and branded content, and provides production…
Serves B2B media and entertainment buyers, including broadcasters, streaming platforms and brands seeking branded content, as well as casting applicants for unscripted and entertainment productions.
Financial Health
DistressedDistressed
Location
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Computed from 3 filingsOperates a group of businesses including a pharmacy and beauty salon, an online beauty and fragrance retail store, an 18‑hole golf course, and residential and commercial property development…
Serves a mixed market: pharmacy and salon customers in Cardiff, online beauty and fragrance shoppers, golfers around South Wales, and residential or commercial property clients in South Wales.
Financial Health
WeakWeak · -5% CAGR over 2y
Location
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Computed from 3 filingsProvides IT asset management and commercial consultancy services, including software licence management, vendor negotiation, procurement support, spend analytics, AI readiness assessment, and…
Serves leadership, IT, procurement and finance teams in larger organisations, including government and local authorities, finance, banking and insurance, and manufacturing, engineering and automotive…
Financial Health
WeakWeak · -5% CAGR over 2y
Location
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Computed from 5 filingsProvides accounting, auditing, payroll, and tax advisory services for businesses and individuals. Offers business advisory, VAT support, cloud accounting software solutions, estate planning, probate…
Serves B2B and private clients: ambitious startups, established and growing SMEs in property, construction, manufacturing, engineering, digital/tech, SaaS and block management, plus property…
Financial Health
DistressedDistressed
Location
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Computed from 4 filingsProvides accountancy, tax planning and compliance, corporate finance, and business advisory services. Supports businesses and individuals with financial reporting, strategic planning, and guidance on…
Serves UK small and medium-sized businesses, from new ventures to established companies, with a focus on clients in Wales, and also serves individuals needing tax support.
Financial Health
StableStable · -24% CAGR over 3y
Location
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Computed from 4 filingsProvides work‑based learning programmes including apprenticeships, vocational training courses and youth employment schemes. Delivers commercial training, bootcamps and consultancy for employers,…
Serves a mix of individuals and organisations: 16-19-year-old learners, apprenticeship candidates, employees, and employers in Wales and England seeking workforce development, plus commercial…
Financial Health
StrongStrong · Profitable, Growing, Hiring · 10% CAGR over 3y
Location
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Computed from 3 filingsProvides procurement and commercial consultancy focused on technology outsourcing. Advises organisations on selecting technology suppliers, negotiating outsourcing contracts, resolving contract…
Serves blue-chip and FTSE 250 businesses, government bodies and other large organisations undertaking complex technology outsourcing, procurement transformation, joint ventures and major supplier…
Financial Health
StrongStrong · Growing, Hiring · 82% CAGR over 2y
Location
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Computed from 5 filingsProvides public relations and strategic communications services including stakeholder and community engagement, consultation campaigns, and communications strategy for organisations involved in…
Serves organisations running infrastructure, housing, energy, environmental and public policy projects, including public bodies and private developers needing community engagement.
Financial Health
StrongStrong · Hiring · 27% CAGR over 4y
Location
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Computed from 5 filingsProvides health and safety training courses for businesses and individuals, including first aid, construction and utilities training. Delivers accredited programmes from bodies such as IOSH, CITB,…
Serves UK employers and individual delegates needing accredited health and safety qualifications, especially construction, utilities and workplace safety teams using CITB, IOSH, EUSR, UKATA and…
Financial Health
StrongStrong · Hiring · 14% CAGR over 4y
Location
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Computed from 5 filingsSupplies workplace and operational products to businesses, including print and managed print services, IT hardware, EPOS till rolls, labelling, packaging and workwear. Also provides procurement and…
Serves businesses and public-sector organisations across the UK and EU, particularly procurement and operations teams buying workplace supplies, print, IT hardware, packaging, labelling, EPOS…
Financial Health
StableStable · 0% CAGR over 4y
Location
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Computed from 3 filingsProvides quantity surveying and construction consultancy services, including cost estimating, bills of quantities, cost management, project management, contract administration, principal designer…
Serves public and private sector construction clients across the UK, including developers, funders and organisations delivering commercial, residential, healthcare, education, retail, leisure,…
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 2y
Location
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Computed from 3 filingsOperates a lakeside venue offering wedding ceremonies and receptions, private functions, and hosted events. Provides on-site accommodation, event spaces, and catering through an in-house restaurant,…
Serves consumers, engaged couples and families seeking lakeside weddings, accommodation, private functions and ticketed seasonal events near Cardiff, including wedding guests and attendees of…
Financial Health
StrongStrong · -2% CAGR over 2y
Location
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Computed from 5 filingsManufactures industrial electric heating elements and related components, including cartridge, immersion, tubular, ceramic and silicone heaters, as well as control panels, thermocouples and…
Serves B2B industrial customers needing custom heating elements, including aviation, automotive, energy, food processing, HVAC, offshore, packaging, petrochemical, plastics, rail, shipping and marine…
Financial Health
HealthyHealthy · 2% CAGR over 4y
Location
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Computed from 5 filingsSupplies business operational goods and procurement services including print and managed print, IT hardware, EPOS till rolls, labelling products, packaging, and workwear, and provides bespoke…
Serves businesses and public/private sector organisations across the UK and EU that need consolidated procurement of workplace and operational supplies.
Financial Health
WeakWeak · -4% CAGR over 4y
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Computed from 5 filingsProvides English as a second language education through in‑person and online courses, including general English programmes, IELTS preparation, an international foundation programme for university…
Serves international students, junior learners aged 10–17, prospective undergraduates and adults seeking English language or foundation study in Cardiff or online.
Financial Health
WeakWeak · -13% CAGR over 4y
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Computed from 4 filingsDevelops software for creating immersive virtual reality learning and training content. Provides a no‑code platform with multimedia editors, scenario builders, and analytics to design interactive…
Serves businesses, healthcare training teams and education providers that need immersive learning for employees, students and trainees, including organisations using learning management systems.
Financial Health
DistressedDistressed · -37% CAGR over 1y
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Computed from 5 filingsProvides environmental and occupational health and safety consultancy for buildings, including asbestos surveys and bulk analysis, air testing, damp and mould inspections, legionella risk…
Serves organisations responsible for buildings across the UK and Ireland, including landlords, property managers, construction teams, facilities managers and health-and-safety managers across…
Financial Health
StableStable · -4% CAGR over 4y
Location
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Computed from 5 filingsProvides marine engineering, repair and maintenance services for ships, cruise liners and yachts, including dry‑dock and in‑service installations, pipework fabrication and installation,…
Serves B2B marine and offshore customers globally, especially cruise lines, luxury yacht owners/operators, shipbuilders and shipping companies, plus marine equipment firms and contractors needing…
Financial Health
HealthyHealthy
Location
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Computed from 5 filingsProvides cosmetic dentistry services including teeth straightening with Invisalign, teeth whitening, composite bonding, composite and porcelain veneers, and orthodontic treatments, alongside…
Serves individual dental patients in Cardiff, Wales and beyond, primarily adults seeking private cosmetic dentistry such as teeth straightening, whitening, bonding, veneers and orthodontic treatments.
Financial Health
HealthyHealthy · Growing, Hiring · 3% CAGR over 4y
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Computed from 5 filingsProvides contract immunology research services and laboratory testing, including immunoassay analysis, ELISpot/FluoroSpot, flow cytometry, ELISA, TCR sequencing and HLA typing. Also develops…
Serves B2B life sciences research teams working in immunology, immunotherapeutics, vaccine research and cancer immunotherapy, across pre-clinical and clinical programmes.
Financial Health
StableStable · -58% CAGR over 4y
Location
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Computed from 5 filingsProvides technical and functional consultancy for Infor enterprise software including SyteLine (CloudSuite Industrial), Mongoose and M3. Services include system customisation, application…
Serves B2B organisations running Infor SyteLine/CloudSuite Industrial, Mongoose, Infor OS or M3, including manufacturing, finance and operations teams using cloud or on-premise systems.
Financial Health
StrongStrong · Hiring · 12% CAGR over 4y
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Computed from 5 filingsProvides coach and minibus hire services for schools, businesses and private groups. Operates a fleet of vehicles for school transport, airport transfers, day trips, sports travel, weddings,…
Serves schools and colleges, local councils, businesses, tour operators, sports teams, wedding parties and event organisers across South Wales and wider UK/Eire visitor markets.
Financial Health
StrongStrong · Growing, Hiring · 16% CAGR over 4y
Location
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Computed from 5 filingsProvides legal services including residential and commercial conveyancing, private client advice, commercial and company law, litigation, debt recovery, bankruptcy and insolvency, landlord and tenant…
Serves individuals, landlords, tenants, and businesses or companies needing legal advice and representation, including clients who prefer Welsh-language service.
Financial Health
StrongStrong · Growing, Hiring · 3% CAGR over 4y
Location
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Computed from 3 filingsProvides home-based care and support services including live-in care, domiciliary care, complex care, companionship, respite, palliative and night care. Services assist individuals with daily living…
Serves private individuals and families seeking in-home care for older adults, disabled people, and people with complex, palliative, respite, companionship, night or live-in care needs.
Financial Health
StableStable · Hiring · 73% CAGR over 2y
Location
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Computed from 2 filingsProvides professional training and consultancy services on behalf of a university, and manages commercial use of the university estate including conference and event hosting, accommodation, catering,…
Serves prospective undergraduate, postgraduate and research students, including international applicants, alongside employers and professionals seeking apprenticeships, CPD and short courses, plus…
Financial Health
WeakWeak
Location
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Computed from 5 filingsProvides property management services for residential, commercial and mixed‑use properties, including block management, build‑to‑rent and student accommodation management, facilities management, fire…
Serves UK property owners and managers, including residential landlords, freeholders, leaseholder Right to Manage companies, developers, investors, schools, pension funds, and commercial, student…
Financial Health
HealthyHealthy · Hiring · 3% CAGR over 4y
Location
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Computed from 5 filingsOperates care homes providing residential, nursing and dementia care for older adults. Services include accommodation, personal care, daily living support, meals, activities, and assistance for…
Serves adults needing residential, nursing or dementia care, plus their families and carers who are choosing and arranging care home placements across Mid and South Wales.
Financial Health
StableStable · -2% CAGR over 4y
Location
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Computed from 3 filingsDesigns, specifies, supplies and installs commercial kitchens and catering facilities for the leisure and hospitality sector, including catering equipment, bar fixtures and contract furniture, with…
Serves businesses and public-sector buyers in the catering, leisure and licensed trade, including brewery groups, national builders and local authorities in South Wales and neighbouring regions.
Financial Health
StableStable
Location
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Computed from 2 filingsProvides policy, research and grant management consultancy. Designs and delivers programme evaluations, social and economic impact analysis, data and consultation research, and funder advisory and…
Serves UK public sector bodies, funders, charities and social-purpose organisations working in employment and skills, health and social care, criminal justice, poverty, welfare, complex needs and…
Financial Health
StrongStrong · Hiring · 190% CAGR over 1y
Location
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Computed from 5 filingsProvides asset management and development services for renewable energy projects, including biomass, wind, solar and anaerobic digestion plants. Services include operational and financial management,…
Serves renewable energy asset owners and investors, including UK investment funds, large portfolio holders and small operators of biomass, wind, solar and anaerobic digestion assets.
Financial Health
StableStable · -63% CAGR over 4y
Location
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Computed from 5 filingsOperates a care home providing residential, nursing and dementia care for older adults, offering accommodation, personal care, meals, and day‑to‑day support delivered by trained care staff within a…
Serves older adults needing residential, nursing or dementia care, and their families or representatives choosing care home placements across Mid and South Wales.
Financial Health
DistressedDistressed · 0% CAGR over 4y
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Computed from 5 filingsProvides video production services from concept development to filming and post‑production. Produces commercials, web and social media content, documentaries, and television projects for brands,…
Serves public sector bodies, broadcasters, universities, charities, creative agencies, festivals and consumer brands, with a strong emphasis on Welsh organisations and campaigns.
Financial Health
StableStable · Hiring · 4% CAGR over 4y
Location
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Computed from 4 filingsProvides temporary healthcare staffing to nursing and residential care homes, supplying registered general nurses, mental health nurses and healthcare support workers. Screens, trains and manages…
Serves nursing and residential care homes needing temporary healthcare staffing, including registered general nurses, mental health nurses and healthcare support workers.
Financial Health
StableStable · Hiring · 13% CAGR over 3y
Location
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Computed from 4 filingsProvides commercial utility consultancy and procurement services, including negotiating business energy and water supply contracts, auditing telecoms and IT costs, and managing supplier relationships…
Serves UK businesses with commercial energy, water and telecoms needs, targeting organisations looking to manage utility costs, supplier contracts and related administrative workload.
Financial Health
StableStable · 0% CAGR over 3y
Location
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Computed from 5 filingsProvides architectural design and planning services for residential developments, care homes, supported living schemes, healthcare facilities and community buildings. Works on projects ranging from…
Serves care home operators, supported living and older persons housing providers, healthcare organisations, cultural and community bodies, public building clients, residential developers and private…
Financial Health
StableStable · -10% CAGR over 4y
Location
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Provides commercial finance brokerage, arranging property development loans, bridging finance, commercial mortgages, and business lending. Acts as intermediary between borrowers and banks or…
Serves HNW and UHNW individuals, property developers and corporates seeking £1m+ UK commercial, property or business finance, including international non-residents borrowing in the UK.
Financial Health
N/AN/A
Location
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Computed from 5 filingsProvides photographic services including digital photo printing, film processing and scanning, passport and ID photographs, studio photography, photo editing and restoration, photocopying, video tape…
Serves consumers and local businesses in Cardiff, including film photographers, people printing digital images, families or individuals seeking studio portraits, and adults, children and babies…
Financial Health
HealthyHealthy · Growing, Hiring · 3% CAGR over 4y
Location
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Computed from 5 filingsOperates out-of-town home department stores and an online shop selling furniture, beds, kitchenware, bathroom products, lighting, home décor, garden furniture and DIY items. Also supplies and…
Serves UK consumers, homeowners and households furnishing, renovating or maintaining their homes, including store and online shoppers across furniture, kitchens, bathrooms, garden and DIY categories.
Financial Health
WeakWeak · -6% CAGR over 4y
Location
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Key facts
About 7% of the trading cohort reports turnover above £5M (8 of 106 firms) — the rest sits below that revenue band.
5% of the cohort was incorporated since 2022 (6 firms), so a sizeable share is in its first few filing cycles.
Every firm in the cohort also runs the same content-management layer, with 100.0% (106) showing that website-stack pairing.
Web analytics is the main adjacent tool category: 87.7% (93) also run an analytics tag and 34.9% (37) run a tag-management layer.
Search and form handling are frequent companions, with 69.8% (74) running an on-page SEO layer and 37.7% (40) running a contact-form plugin.
Construction accounts for 18.9% (20) of the cohort and Field Services & Trades for 17.9% (19), suggesting the city’s visible adoption is not confined to office-based services.
The financial-health mix is uneven: 26.4% (28) sit in the stable band, while 8.5% (9) are distressed.
What else do Site Kit users run?
Share of the 106 Site Kit-running UK companies where each technology was also detected. As of June 2026.
Who runs Site Kit in the UK?
By sector
Sectors overlap, so shares need not sum to 100%.
By financial health
From filed accounts; firms with fewer than two filings show as insufficient history.
6
Median headcount
£466.5K
Median UK turnover
7.5%
Above £5M turnover
6
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 183 companies, alongside financials and websites, in one Excel + CSV file.
How Site Kit 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.
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.
Site Kit is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
Site Kit elsewhere
Frequently asked questions
How many companies in Cardiff use Site Kit?
How is Site Kit usage detected?
What kinds of companies use Site Kit in Cardiff?
What do Site Kit users in Cardiff also run?
How fresh is this data?
Can I get contact details for these companies?
Buy all 183 companies as a spreadsheet.
One Excel/CSV file with company details, websites and key data — yours to download and use.