Companies Using Yoast SEO in Southampton: 658 Active Firms (2026)
Southampton companies running SEO website plugins use on-site optimisation tools to manage search metadata, content indexing and organic acquisition.
Use of an on-site SEO plugin usually sits with the marketing owner, sales lead or external web agency, not a specialist procurement team. It points to a content-managed website where search snippets, page titles, indexing rules and content checks are handled close to day-to-day publishing. In Southampton, that often means owner-managed service firms, trades, construction suppliers, property businesses and manufacturers using organic search as a low-friction acquisition channel. Engagements tend to be modest: setup, theme maintenance, analytics checks and periodic content work, rather than long enterprise software programmes.
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Southampton has 658 active trading companies running this SEO plugin technology, giving the city a visible but mainly SME-shaped adoption base. Reported employment across the cohort totals 2,241 people, so the footprint is not just hobby sites or dormant brochure pages. The commercial profile looks broad: firms range from lean owner-managed operations to employers with dedicated sales, operations or marketing capacity. In practice, adoption appears to cluster where local search visibility matters to enquiries, tenders and repeat purchasing, rather than only among digital-first publishers.
Website SEO tooling is not licensed in the way financial or clinical software can be, but the surrounding marketing stack is still governed by familiar UK rules. ICO guidance under PECR requires organisations to tell visitors about cookies and similar technologies, explain their purpose, and obtain consent before setting non-essential ones. Where analytics or contact-form activity identifies a person, UK GDPR and the Data Protection Act also apply. Marketing claims on landing pages, paid search, affiliate content and social posts may fall under the Advertising Standards Authority’s CAP Advertising Codes.
Adoption appears likely to remain tied to the content-management layer rather than moving into separate SEO procurement for most Southampton firms. Agencies and freelance web teams will continue to shape stack choices, especially for smaller employers that want search, forms, consent banners and analytics maintained together. Migration pressure tends to come from site rebuilds, privacy work and performance tuning, not from the plugin itself. The more scaled users may fold SEO governance into broader reporting and compliance workflows, while micro-businesses keep using the defaults that their web supplier configures.
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 Yoast SEO rises with company size across the trading companies in this cohort. 1.9% of the 22,390 companies with under 10 employees run Yoast SEO (432 detected). 19.3% of the 1,070 companies with 10–50 employees run Yoast SEO (207 detected). 27.8% of the 90 companies with over 50 employees run Yoast SEO (25 detected). That is a 25.9% gap between the over 50 employees and under 10 employees bands.
658
Active firms
2026
24
Above £5M turnover
Trading firms
6
Median headcount
Filed accounts
1,474
Verified directors
Across this cohort
Top companies using Yoast SEO in Southampton
Ranked by sales-readiness score: an AI model assesses what each company does, its sector and size, and scores its overall fit. Best-fit prospects appear first.
Financial sub-scores
Computed from 5 filingsProvides recruitment and staffing services, matching job seekers with employers and sourcing candidates for roles in sectors including social care, construction, administration, technology and…
Serves employers with vacancies and job seekers in Southampton and Hampshire, focused on social care, construction, administration, technology and security roles.
Financial Health
HealthyHealthy · Hiring · 70% CAGR over 4y
Location
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Computed from 3 filingsManufactures and installs made-to-measure windows, doors and composite doors for residential and commercial projects. Also supplies and fits conservatories, rooflights, fascias, soffits, guttering,…
Serves homeowners and residential renovators, plus trade builders and commercial renovation businesses on new-build and refurbishment projects across the South Coast.
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 2y
Location
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Computed from 3 filingsProvides residential property sales and lettings services, including marketing homes for sale or rent, arranging viewings, conducting tenant referencing, preparing tenancy agreements, handling…
Serves residential tenants, landlords, home buyers and sellers in the Southampton area, focused on people renting, letting, buying or selling local homes.
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
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Computed from 3 filingsProvides legal services in family law, advising and representing clients on divorce and separation, civil partnership dissolution, financial settlements, child arrangements, domestic abuse…
Serves private individuals, couples and families in Southampton and Hampshire dealing with divorce, separation, child arrangements, domestic abuse, financial settlements, surrogacy, and related…
Financial Health
HealthyHealthy · Hiring · 25% CAGR over 2y
Location
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Computed from 4 filingsProvides criminal defence legal services, representing clients at police stations and in Magistrates’ and Crown Courts. Advises and defends individuals facing offences ranging from road traffic…
Serves individuals in and around Southampton who are suspects or defendants in criminal matters, from road traffic offences to serious charges, including clients needing police station, magistrates’…
Financial Health
HealthyHealthy · -2% CAGR over 3y
Location
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Computed from 5 filingsProvides domestic and commercial plumbing and heating services including boiler installation, servicing and repairs, central heating system installation, landlord gas safety certificates, LPG work,…
Sells to homeowners, landlords and commercial property customers needing heating, plumbing and bathroom work. Serves domestic clients as well as businesses requiring boiler installation, servicing,…
Financial Health
StableStable · Hiring · 6% CAGR over 4y
Location
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Computed from 5 filingsManufactures and installs made-to-measure window coverings including roller, vertical and Venetian blinds, shutters, curtains and awnings. Also supplies curtain tracks, motorised blind systems and…
Serves homeowners, local businesses, commercial contractors, schools and healthcare providers in the Southampton area with needs across domestic, commercial and multi-user premises.
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides recruitment services for accounting and finance roles, placing candidates from entry-level to director positions. Offers permanent, temporary and executive search recruitment, headhunting,…
Serves employers across the South Coast with finance teams, from SMEs to larger organisations, and accounting and finance professionals from trainee to director level seeking permanent or temporary…
Financial Health
StrongStrong · Growing, Hiring · 32% CAGR over 4y
Location
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Computed from 4 filingsProvides general and cosmetic dental services including dental implants, implant‑supported dentures, crowns, bridges, dentures, fillings, root canal treatment, veneers, composite bonding, teeth…
Serves private dental patients in Southampton and Hampshire, including adults and families seeking routine care, cosmetic treatments, dental implants, dentures, sedation support and emergency…
Financial Health
StrongStrong · -90% CAGR over 2y
Location
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Computed from 5 filingsProvides dental care including routine check-ups, hygiene services, cosmetic dentistry, teeth straightening such as Invisalign, and dental implants. Also offers smile design, restorative treatments,…
Serves individual dental patients and families in Southampton, including new, emergency and NHS patients, plus people seeking cosmetic dentistry, teeth straightening, implants, dentures and facial…
Financial Health
StrongStrong · Growing, Hiring · 14% CAGR over 4y
Location
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Computed from 4 filingsManufactures, supplies and installs double‑glazed windows, doors and conservatories for residential and commercial properties. Provides replacement window units, bespoke window frames, bi‑fold and…
Serves homeowners, new-build projects and commercial property owners in Southampton and nearby areas including Romsey, Eastleigh, Bournemouth, Andover and Chichester.
Financial Health
StrongStrong · Growing, Hiring · 9% CAGR over 3y
Location
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Computed from 5 filingsSupplies and fits car and motorcycle tyres for vehicle owners and fleet operators. Provides tyre replacement, puncture repair and wheel alignment services, and sources tyres from manufacturers to…
Serves vehicle owners in Southampton, Hampshire and surrounding areas, with discounts for taxi firms, vehicle fleets and new trade accounts needing car, motorcycle and wheel services.
Financial Health
StrongStrong · Growing, Hiring · 14% CAGR over 4y
Location
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Computed from 5 filingsOperates a business improvement district that supports city centre businesses through marketing campaigns, events, safety and crime reduction initiatives, business support resources, and advocacy to…
Serves B2B member businesses and levy payers in Southampton city centre, including hospitality, retail and other local employers, alongside city-centre stakeholders involved in visitor economy…
Financial Health
StableStable · -68% CAGR over 4y
Location
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Computed from 5 filingsProvides dental and facial aesthetic treatments including general dentistry, dental implants, teeth straightening, crowns and bridges, hygiene care, root canal treatment and tooth extraction, as well…
Serves private dental patients in Southampton, including adults, children, nervous patients and people seeking general, cosmetic, orthodontic, implant and facial aesthetic treatments; also accepts…
Financial Health
HealthyHealthy · Hiring · 29% CAGR over 4y
Location
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Computed from 4 filingsOperates a swimming facility providing swimming lessons for babies, children and adults, including parent-and-baby, preschool and school-age classes. Also offers recreational lane swimming sessions,…
Sells directly to local consumers and families in Southampton, including parents of babies, preschool and school-age children, adults learning or returning to swimming, recreational swimmers, and…
Financial Health
StrongStrong · Growing, Hiring · 10% CAGR over 3y
Location
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Computed from 5 filingsProvides glass and glazing products and installation for residential and commercial properties, including windows, doors, shower screens, mirrors, splashbacks and shop fronts. Also cuts glass,…
Serves homeowners, landlords, retailers and other commercial clients needing glass and glazing across Southampton, Hampshire and surrounding areas, with larger projects considered UK-wide.
Financial Health
HealthyHealthy · -66% CAGR over 4y
Location
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Computed from 5 filingsProvides scaffolding and access services for construction and maintenance projects, including domestic, commercial, industrial and marine scaffolding. Designs, supplies and erects scaffold…
Sells to both businesses and homeowners needing scaffolding, serving commercial construction, residential property works, industrial sites, and marine clients such as dockyards and marinas, mainly…
Financial Health
HealthyHealthy · Growing · 2% CAGR over 4y
Location
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Computed from 5 filingsProvides marketing and public relations services for housebuilders, property developers and property service companies. Services include development launch campaigns, brand and communications…
Serves B2B clients in the property sector, primarily housebuilders, residential developers and property services companies launching new homes developments or building their brand.
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
Location
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Computed from 5 filingsProvides MOT testing for class 4, 5 and 7 vehicles along with vehicle servicing and repairs. Offers tyre fitting, brakes, batteries, air conditioning recharge, diagnostics, exhaust work, welding,…
Serves private motorists and local businesses in the Southampton area, including owners of cars, light commercial vehicles and prestige vehicles, plus companies needing fleet support.
Financial Health
StrongStrong · Hiring · 57% CAGR over 4y
Location
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Computed from 5 filingsProvides workplace health and safety training courses including CITB Site Safety Plus, IOSH and NEBOSH programmes, first aid, working at height and asbestos awareness training, alongside consultancy…
Serves employers and workers needing workplace health and safety compliance, with a strong focus on construction contractors, site supervisors and managers, plus organisations with first aid, fire…
Financial Health
HealthyHealthy · Growing · 1% CAGR over 4y
Location
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Computed from 4 filingsOperates an Italian restaurant and wine bar serving small plates, cicchetti, charcuterie, roasts, cocktails and wines. Provides table bookings, live music nights, and venue hire for private events…
Serves diners in Southampton, including couples, families, friends and pre-cruise visitors, plus private event customers for weddings, birthdays, christenings and life celebrations, and local…
Financial Health
StrongStrong
Location
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Computed from 5 filingsProvides offshore hydrographic surveying, subsea search and inspection, and maritime data acquisition using remotely operated and autonomous vessels, robotics, and software systems. Delivers seabed…
Serves B2B and public-sector organisations with offshore and maritime operations, including energy companies, government agencies, and organisations involved in subsea search, survey, data and remote…
Financial Health
StrongStrong · Hiring · 4% CAGR over 4y
Location
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Computed from 5 filingsProvides silicone sealant application services for construction and building projects, including sealing window and door perimeters, expansion joints, sanitary areas, acoustic and intumescent joints,…
Serves building contractors, developers, facilities managers and property owners in Southampton and the South of England.
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
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 environmental consultancy for energy infrastructure projects including offshore wind, power cables and nuclear developments. Services include environmental impact assessment, habitat…
Serves B2B clients developing and operating major energy infrastructure projects, especially offshore wind, power cables and nuclear. Targets UK and international project developers, operators and…
Financial Health
StrongStrong · Growing, Hiring · 41% CAGR over 4y
Location
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Computed from 5 filingsProvides freight forwarding and shipping agency services, including import and export logistics, customs clearance, and export licensing support. Handles marine industry shipments such as boats and…
Serves businesses needing import/export freight and customs support, with a focus on marine sector clients, yacht and boat owners, and individuals relocating personal effects, vehicles or vessels.
Financial Health
HealthyHealthy · -4% CAGR over 4y
Location
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Computed from 5 filingsProvides commercial construction and building services including refurbishments, extensions, alterations and remedial works. Delivers planned and reactive maintenance for building fabric, project…
Serves businesses and public sector organisations needing commercial building work, refurbishment and maintenance, including schools, theatres, visitor centres and other commercial or public premises…
Financial Health
StrongStrong · Growing · 2% CAGR over 4y
Location
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Computed from 3 filingsProvides general and specialist dental services including routine check-ups, hygiene care, orthodontics, dental implants, oral surgery, cosmetic dentistry, dentures, root canal treatment and…
Serves individual dental patients and families in the New Forest, Hampshire and Dorset, including children, nervous patients, and people seeking routine, cosmetic or specialist dental care.
Financial Health
StrongStrong · Growing, Hiring · 87% CAGR over 2y
Location
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Computed from 5 filingsProvides national and international road transport and logistics services including temperature‑controlled, ambient and ADR cargo delivery. Operates GDP-compliant warehousing and storage, and manages…
Serves B2B clients in the food, pharmaceutical and cruise logistics sectors, plus shippers of hazardous, high-value, electronics and temperature-sensitive goods across the UK and Europe.
Financial Health
HealthyHealthy · -69% CAGR over 4y
Location
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Computed from 3 filingsOperates a traditional pub serving homemade meals, seasonal menus and Sunday roasts, alongside beers, ales, ciders and wine. Provides table reservations, spaces for group dining, and on-site guest…
Serves B2C customers including New Forest visitors, walkers, dog owners, families, larger social groups, local residents, and overnight guests seeking a country pub setting near Fordingbridge.
Financial Health
StrongStrong · Growing, Hiring · 5% CAGR over 2y
Location
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Computed from 5 filingsDesigns and manufactures continuous rotary extrusion (CRE) machinery and systems used to process copper, aluminium and brass. Provides extrusion equipment, tooling configurations and technical…
Sells to global industrial manufacturers using copper, aluminium and brass extrusion in demanding production environments, especially buyers of continuous rotary extrusion systems for critical…
Financial Health
HealthyHealthy · -66% CAGR over 4y
Location
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Computed from 5 filingsProvides B2B marketing services including website design and development, branding and graphic design, search engine optimisation, pay‑per‑click advertising, and HubSpot implementation. Works with…
Serves B2B organisations in net zero, AI and technology markets, including energy transition firms, industry associations, fintechs, managed service providers and cloud distributors.
Financial Health
StrongStrong · Hiring · 12% CAGR over 4y
Location
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Computed from 5 filingsDesigns and develops websites and digital products, including custom WordPress sites, Shopify e‑commerce stores, and Laravel web applications. Also provides branding, user experience design, and…
Serves B2B clients from SMEs to larger corporations across sectors, including automotive, architecture and online publishing, with customers in London, Hampshire, Wiltshire, the wider UK, the USA and…
Financial Health
StableStable · -3% CAGR over 4y
Location
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Computed from 5 filingsProvides digital marketing and technology services for brands and retailers, including paid search, paid social, SEO, influencer marketing, marketing automation, and data and technology solutions,…
Sells to brands and retailers needing digital marketing and technology support, particularly multi-market consumer, retail, beauty, fashion, sports and electronics businesses across Europe.
Financial Health
HealthyHealthy · Hiring · 8% CAGR over 6y
Location
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Computed from 5 filingsDevelops manufacturing management software integrated with Sage 50 and Sage 200 accounts systems. Products include Cim50 and Cim200 for production planning, stock control and works orders, with…
Serves UK manufacturing businesses using Sage 50 or Sage 200, particularly batch, bespoke, chemical and food manufacturers, plus firms needing Sage support, training, consultancy, development and…
Financial Health
StrongStrong · Growing, Hiring · 60% CAGR over 5y
Location
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Computed from 3 filingsProvides liquid waste management and drainage services including septic tank and cesspit emptying, grease trap cleaning, wet waste collection, drain unblocking and repair, and installation of sewage…
Serves homeowners, small and large businesses, and local authorities across the South of England with liquid waste, septic, cesspit, grease trap and drainage needs.
Financial Health
StrongStrong · Growing, Hiring · 50% CAGR over 2y
Location
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Computed from 5 filingsProvides car and van maintenance services including MOT testing, routine servicing, mechanical repairs, cambelt replacement, tyre fitting, air conditioning work and vehicle diagnostics, with…
Serves B2C motorists and local businesses needing car and van servicing, with emphasis on drivers and fleet users in the Hedge End and Southampton area. Targets owners of all vehicle makes, including…
Financial Health
HealthyHealthy · Growing · 0% CAGR over 5y
Location
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Computed from 5 filingsDesigns and develops bespoke websites for businesses, including user interface design, site build, and launch. Provides branding services and search engine optimisation, managing projects from…
Serves businesses seeking web design, branding and SEO, including organisations in private medical, tech, hospitality, marine, financial, luxury and construction. Targets companies across Hampshire…
Financial Health
HealthyHealthy · Hiring · 10% CAGR over 6y
Location
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Computed from 5 filingsProvides coach and minibus hire for private groups, tours, events and contract transport. Operates a fleet of vehicles seating 8 to over 100 passengers, including accessible coaches, and offers…
Serves a mix of consumers, private groups, event organisers, tour and trip organisers, and organisations needing contract coach transport in Southampton, Hampshire and surrounding areas.
Financial Health
HealthyHealthy · Hiring · 5% CAGR over 4y
Location
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Computed from 5 filingsProvides managed IT services including technical support, cybersecurity, Microsoft cloud solutions, connectivity, business telephony, and business continuity services. Delivers IT consulting and…
Serves UK businesses and charities of varying sizes, especially in distribution and logistics, financial services, energy and media, with area pages for Hampshire, London, Surrey and nearby southern…
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 4y
Location
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Computed from 5 filingsProvides business telecommunications and IT services, including cloud phone systems, business mobiles, network connectivity, managed IT support, cyber security monitoring, CCTV integrations, and…
Sells to UK businesses, especially SMEs, with sector focus on care homes, dental and medical practices, estate agents, logistics firms, garages, hospitality venues, vets, education providers and…
Financial Health
StrongStrong · Growing, Hiring · 17% CAGR over 5y
Location
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Computed from 3 filingsProvides legal services for individuals and businesses, including conveyancing, family law, divorce and separation, wills and probate, litigation and dispute resolution, employment law, corporate and…
Serves individuals and families in Hampshire, alongside businesses, commercial property clients, employers, healthcare organisations, marine clients, landlords and tenants.
Financial Health
StrongStrong · Growing · 4% CAGR over 2y
Location
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Computed from 5 filingsSupplies and installs aluminium glazing systems for residential and commercial buildings, including windows, bi‑fold, patio and French doors, curtain walling, shop fronts and roof lanterns. Provides…
Serves homeowners, trade customers, retailers and commercial property clients needing aluminium glazing projects, including shopfront and curtain walling requirements, with emphasis on Southampton,…
Financial Health
StrongStrong · Growing, Hiring · 5% CAGR over 4y
Location
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Computed from 3 filingsProvides employment background screening and security vetting services for organisations. Conducts BS7858-compliant vetting, criminal record checks, digital identity verification, and pre-employment…
Serves businesses and organisations needing staff, contractor or tenant screening across aviation, care, security, telecoms, financial services, legal, NHS/medical, rental, data destruction and…
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 2y
Location
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Computed from 5 filingsProvides land and building surveying services, including topographical and utility surveys (PAS 128), measured building surveys and elevations, CCTV drainage inspections, drone surveys, hydrographic…
Serves B2B and public sector clients in property, construction and infrastructure, including architects, chartered surveyors, developers, landlords, retailers, landscape architects, structural…
Financial Health
StrongStrong · Growing, Hiring · 15% CAGR over 4y
Location
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Computed from 5 filingsProvides commercial cleaning services for businesses, including office cleaning, cleaning of retail and warehouse premises, washroom services, and electrostatic disinfection. Offers regular and…
Serves businesses in Winchester, Southampton, Eastleigh, Whiteley and surrounding Hampshire areas, including offices, warehouses, retailers and other commercial properties needing workplace, washroom…
Financial Health
HealthyHealthy · Hiring · 150% CAGR over 4y
Location
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Computed from 5 filingsProvides recruitment and staffing services, sourcing permanent, contract and freelance candidates for employers. Specialises in technology and digital, engineering and industrial, and leadership and…
Serves employers worldwide seeking permanent, contract, ad-hoc or freelance hires, especially in technology and digital, engineering and industrial, and leadership or executive roles; also supports…
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
Location
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Computed from 4 filingsProvides plumbing and heating services including boiler installation and servicing, bathroom fitting, air source heat pump installation, landlord gas safety checks, and commercial plumbing and…
Serves domestic customers, landlords and commercial clients in Southampton and across the South, including homeowners and property owners needing plumbing, heating and gas safety support.
Financial Health
StrongStrong · Hiring · 6% CAGR over 3y
Location
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Computed from 5 filingsActs as a distributor and dealer for Dufour sailing yachts, selling new, used, and brokerage boats. Provides yacht charter services, skippered sailing experiences, sailing courses, charter…
Serves private yacht buyers and owners across the UK, plus leisure sailors in the Solent seeking bareboat or skippered charter, day sails and sailing courses.
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
Location
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Computed from 5 filingsProvides heating and electrical engineering services for domestic and commercial customers, including boiler installation, servicing and repairs, electrical installations, pipework and refurbishment…
Serves homeowners and landlords within 30 miles of Southampton and commercial organisations nationwide, including hospitality and retail chains such as restaurants, coffee shops, fast-food brands and…
Financial Health
HealthyHealthy · Growing, Hiring · 3% CAGR over 4y
Location
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1,157 more companies and their verified directors are in the file
You’re seeing the top 50. Buy the list to get all 1,207 with directors, websites and financials.
Key facts
About 3% of the trading cohort reports turnover above £5M (24 of 658 firms) — the rest sits below that revenue band.
5% of the cohort was incorporated since 2022 (33 firms), so a sizeable share is in its first few filing cycles.
Every Southampton SEO-plugin user in this cohort also runs a content-management platform, while 59.6% also run website analytics and 30.1% run tag-management tooling.
A sizeable site-interaction layer sits around the plugin: 41.2% use bot-checking technology, 33.6% run a contact-form extension and 33.1% use web performance or security infrastructure.
The sector mix skews toward local-service categories, with Field Services & Trades at 23.4% of the cohort and Construction at 20.2%.
The ICO’s PECR cookie guidance requires websites to explain cookies and obtain consent before setting non-essential cookies or similar technologies that store or access information on a user’s device.
IAB UK reported the UK digital ad market reached £40.5 billion in 2025, up 10% year on year, with video investment at £9.3 billion.
What else do Yoast SEO users run?
Share of the 658 Yoast SEO-running UK companies where each technology was also detected. As of June 2026.
Who runs Yoast SEO 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
£588.4K
Median UK turnover
3.6%
Above £5M turnover
33
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 1,207 companies, alongside financials and websites, in one Excel + CSV file.
How Yoast SEO 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.
Yoast SEO 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
How many companies in Southampton use Yoast SEO?
How is Yoast SEO usage detected?
What kinds of companies use Yoast SEO in Southampton?
What do Yoast SEO users in Southampton also run?
How fresh is this data?
Can I get contact details for these companies?
Buy all 1,207 companies as a spreadsheet.
One Excel/CSV file with company details, websites and key data — yours to download and use.