Companies Using RankMath SEO in London: 1,237 Active Firms (2026)
Companies using SEO tools manage website metadata, sitemaps and on-page optimisation through public-site software across London boroughs.
Adoption tends to sit with marketing teams, agency-supported website owners and operations staff rather than with software procurement teams. The tool is a plug-in layer for search controls inside a content-management site: page-level titles, indexing rules, schema templates and editorial prompts sit in the same workflow as publishing. Running it usually signals a company with enough content cadence to need repeatable processes, but not necessarily an enterprise search platform. Engagements are usually modest relative to broader marketing software: recurring site maintenance, agency time and periodic technical-search work, rather than a board-level platform selection.
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London has 1,237 actively trading companies running this SEO technology on their public websites. Reported employment across the cohort is 3,643 people, which points to adoption among operating businesses rather than parked domains or thin affiliate sites. The local pattern is broad rather than sector-specific: web-led construction firms, trades and field-service operators, healthcare providers, travel and hospitality businesses, and software sellers all appear in the mix. That spread fits the city's demand profile, where search visibility often supports local acquisition, appointment booking, publishing and lead generation.
Public-site SEO stacks sit close to analytics tags, forms, hosting controls and content workflows, so procurement is often less about licence risk than about governance. London adopters need clear ownership of cookies, consent wording, form capture and administrator access, especially where an agency maintains the site. GDPR is the obvious reference point, but the day-to-day controls are operational: who can publish indexed pages, who can alter schema, and how redirects or no-index settings are checked before site launches and migrations.
Adoption appears likely to remain tied to the content-management stack rather than to standalone search platforms. The cohort has a long tail of service businesses and web-led operators, so switching tends to follow site rebuilds, agency changes, performance work and compliance reviews. Bundling may pull some users toward broader website packages, while specialist tools retain a role where editorial teams want granular control over schema, redirects and indexing. Consolidation is therefore more likely in the agency, hosting and site-maintenance layer than among the companies running the tooling.
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 RankMath SEO rises with company size across the trading companies in this cohort. 0.2% of the 532,485 companies with under 10 employees run RankMath SEO (830 detected). 2.3% of the 15,364 companies with 10–50 employees run RankMath SEO (347 detected). 3.3% of the 1,763 companies with over 50 employees run RankMath SEO (58 detected). That is a 3.1% gap between the over 50 employees and under 10 employees bands.
1,237
Active firms
2026
69
Above £5M turnover
Trading firms
6
Median headcount
Filed accounts
2,527
Verified directors
Across this cohort
Top companies using RankMath SEO in London
Ranked by sales-readiness score: an AI model assesses what each company does, its sector and size, and scores its overall fit. Best-fit prospects appear first.
Financial sub-scores
Computed from 3 filingsProvides search engine optimisation and digital marketing services for e‑commerce retailers. Uses a proprietary data platform to analyse consumer demand and optimise product content, technical SEO,…
Serves B2B enterprise and high-SKU retailers, targeting ecommerce, marketing, SEO, merchandising, trading, buying, brand, product copy, finance, engineering and C-suite teams.
Financial Health
StableStable · 0% CAGR over 2y
Location
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Computed from 5 filingsCreates data‑driven content marketing campaigns for brands, producing research studies, data analyses, and visual stories designed to attract media coverage and backlinks. Develops shareable online…
Serves B2B and consumer brands, from startups to Fortune 500 companies, especially marketing, SEO and digital PR teams in technology, software, lifestyle, home, careers, plumbing and related sectors.
Financial Health
StrongStrong · Growing, Hiring · 14% CAGR over 4y
Location
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Computed from 5 filingsOperates an online reservation platform for a network of independently owned boutique luxury hotels worldwide. Provides hotel booking services through its website and app, and manages a membership…
Serves affluent leisure travellers booking boutique luxury hotels worldwide, as well as travel agents and independent luxury hotels seeking access to its reservations and membership network.
Financial Health
HealthyHealthy · -69% CAGR over 4y
Location
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Computed from 5 filingsOperates an online platform providing London residential property market data, listings and archives for estate agents and related professionals, alongside research, analytics, CRM tools, referral…
Serves B2B property professionals in the prime London real estate market, including sales and lettings agents, brokers, property finders, valuers and surveyors, relocation agents, and related…
Financial Health
StableStable · -69% CAGR over 4y
Location
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Computed from 4 filingsDevelops cloud-based recruitment software including applicant tracking, CRM, recruitment marketing and analytics tools. Platform posts jobs to boards, manages candidate pipelines, matches candidates…
Serves UK recruitment and staffing agencies, plus in-house HR and talent acquisition teams across sectors, including recruiters responsible for candidate pipelines, client accounts and hiring…
Financial Health
StrongStrong · Growing · 1% CAGR over 3y
Location
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Computed from 5 filingsOperates and manages theatre venues including the Apollo, Lyric, Palace, Garrick, Duchess and Vaudeville theatres. Hosts stage productions such as plays, musicals and comedy shows, and sells tickets…
Serves B2C customers including individual theatregoers, families and tourists, plus group bookers and education audiences seeking West End musicals, plays, comedy, concerts and events in London.
Financial Health
StrongStrong · Hiring · 9% CAGR over 4y
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Computed from 5 filingsOperates an online platform that aggregates furniture and homeware products from multiple retailers. Enables users to search, compare, filter, and save items by room, style, price, or size, and…
Serves B2C consumers and homeowners shopping for furniture and homeware, including people furnishing conservatories, orangeries, rooms or home projects.
Financial Health
StrongStrong · Growing, Hiring · 14% CAGR over 4y
Location
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Computed from 5 filingsProvides B2B content marketing services for technology companies, including strategy, content creation, social media campaigns, SEO, website copy, and sales enablement materials such as whitepapers,…
Serves B2B technology companies and marketing teams in sectors including telecoms, cloud, SaaS, cybersecurity, fintech, IoT, medtech, blockchain, broadcast and agritech.
Financial Health
StrongStrong · Hiring · 21% CAGR over 4y
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Computed from 5 filingsOperates theatre venues and produces and hosts live stage productions. Manages performance spaces including Troubadour Canary Wharf Theatre and Troubadour Wembley Park Theatre, presenting musicals,…
Serves theatre audiences and cultural eventgoers in London, alongside producers, promoters and organisations seeking large-scale theatre venues or studio spaces in Canary Wharf, Wembley Park and…
Financial Health
HealthyHealthy · Hiring · 10% CAGR over 4y
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Computed from 5 filingsBuys, sells and trades pre-owned luxury watches through an online platform and offices. Offers valuation, part‑exchange and resale services for brands including Rolex, Audemars Piguet, Hublot,…
Serves private consumers and watch collectors seeking to buy, sell or part-exchange pre-owned luxury watches, particularly Rolex and other premium brands, online or in person.
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
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Computed from 3 filingsOperates a theatre that hosts stage productions, plays and live performances, selling tickets to scheduled shows. Also provides venue hire, offering theatre and event spaces for conferences,…
Serves theatre audiences booking West End show tickets, plus organisations and private customers seeking central London event spaces for conferences, celebrations and venue hire.
Financial Health
StrongStrong · Growing · 0% CAGR over 2y
Location
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Computed from 3 filingsOperates an online retail store selling genuine OEM and aftermarket automotive parts for brands including BMW, Audi, Mercedes-Benz, Porsche, Jaguar and Land Rover. Offers components such as engine,…
Sells to consumers and independent vehicle owners seeking OEM and aftermarket parts for premium car brands including BMW, Mercedes, Audi, Porsche, Jaguar and Range Rover, with emphasis on UK buyers…
Financial Health
StrongStrong
Location
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Computed from 3 filingsProvides account-based marketing services for enterprise clients including 1:1 and 1:few campaigns, demand and lead generation, account selection, marketing technology integration, sales enablement,…
Serves B2B mid-market and enterprise sales and marketing teams, especially in industrial manufacturing, technology, SaaS, cybersecurity, medical/pharmaceutical and financial services sectors.
Financial Health
StrongStrong · Growing · 0% CAGR over 2y
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Computed from 5 filingsOperates an online property listing platform focused on park homes and lodges, allowing users to browse homes for sale, available plots, manufacturers and residential parks, compare properties, and…
Serves consumers looking for residential park homes, lodges and available plots, alongside park operators, groups and manufacturers seeking visibility for listings.
Financial Health
StrongStrong
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Computed from 5 filingsOperates budget hotels providing en-suite guest rooms for tourists, families, and business travellers. Offers accommodation with amenities such as Wi‑Fi, breakfast service, lounges, and self check‑in…
Serves leisure and business travellers visiting London, including tourists, families, solo travellers, corporate guests, and event-goers attending venues such as Wembley, The O2 and ExCeL.
Financial Health
StrongStrong · Growing, Hiring · 16% CAGR over 4y
Location
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Computed from 5 filingsOperates a property agency offering residential and commercial properties for sale and rent. Provides property listings, marketing and brokerage services, and promotes property investment…
Serves property buyers, tenants, sellers and investors seeking residential and commercial property in London and across the UK, including high-value home buyers, renters, landlords, developers and…
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 4y
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Computed from 5 filingsProvides strategic communications and public relations services, including corporate communications, creative campaigns, and stakeholder engagement. Advises organisations on reputation management,…
Serves corporate brands, financial services, consumer goods and nonprofit organisations, targeting corporate affairs, communications, sustainability, purpose and marketing leaders seeking strategic…
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
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Computed from 5 filingsProvides cloud-based event site planning software that lets organisers design layouts on mapped locations, import floor plans, and place infrastructure such as stages, barriers, staff positions and…
Sells to B2B and public-sector event planners, including event companies, venues, festivals, local governments, sports federations, and teams managing road, sports, cultural, and community events.
Financial Health
HealthyHealthy · Hiring · 55% CAGR over 4y
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Computed from 5 filingsProvides flexible serviced office space for rent, including private offices, meeting rooms, clinic rooms and virtual office services. Offers furnished workspaces with utilities, internet, reception…
Serves solo professionals, small teams and businesses of all sizes in London, including finance, healthcare, technology and consulting firms needing offices, clinic rooms, meeting space or virtual…
Financial Health
HealthyHealthy · -46% CAGR over 4y
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Computed from 5 filingsProvides a subscription-based library of expert-led learning and development content, including videos, audio, e‑learning courses and live masterclasses for organisations. Also offers content…
Sells to L&D teams, learning leaders and HR/talent professionals in organisations seeking content for employees, including large businesses with LMS, LXP or intranet-based learning environments.
Financial Health
StrongStrong · Growing, Hiring · 32% CAGR over 4y
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Computed from 5 filingsProvides foreign exchange and international payment services for businesses and individuals. Facilitates cross‑border money transfers and currency exchange, offering spot and forward contracts,…
Serves businesses and individuals making international currency payments, including corporations, sole traders, importers/exporters, online marketplace sellers, overseas property buyers, people…
Financial Health
StrongStrong · Growing, Hiring · 26% CAGR over 4y
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Computed from 5 filingsProvides public relations and digital marketing services, including brand strategy development, influencer marketing campaigns, experiential consumer events, AI-led creative content, and out-of-home…
Serves B2B brand clients, particularly marketing and communications teams at consumer-facing companies seeking PR, influencer, creator, experiential and campaign support.
Financial Health
StrongStrong · Growing, Hiring · 23% CAGR over 4y
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Computed from 3 filingsOperates a conference and events venue offering multiple meeting rooms and halls for conferences, award ceremonies, dinners, receptions, filming and corporate events. Provides in‑house audio‑visual…
Serves businesses, associations and international organisations planning conferences, award ceremonies, receptions, networking events, Christmas parties and filming in central London, including…
Financial Health
StrongStrong · Profitable, Hiring · 13% CAGR over 2y
Location
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Computed from 5 filingsProvides B2B lead generation services, sourcing and qualifying sales leads through owned brands and digital channels. Uses data analysis, automation and sales outcome feedback to optimise targeting,…
Serves B2B companies with sales teams seeking exclusive, pre-qualified inbound prospects, particularly growth-focused businesses looking to scale revenue without retainers or long contracts.
Financial Health
StrongStrong · Hiring · 32% CAGR over 4y
Location
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Computed from 5 filingsSupports innovation by connecting businesses, researchers and investors, delivering sector networks, funding programmes, events and knowledge resources, and managing initiatives such as Knowledge…
Serves UK businesses, researchers, entrepreneurs, investors and public-sector innovation teams across sectors including agrifood, digital, health, energy, manufacturing, transport and defence.
Financial Health
StrongStrong · Hiring · 8% CAGR over 6y
Location
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Computed from 5 filingsOperates an online platform for booking chauffeur-driven car services and airport assistance worldwide. Provides transfers, hourly hire, and VIP meet-and-greet services, enabling travellers and…
Serves elite organisations, corporate travel teams, luxury travel providers and high-net-worth or VIP travellers arranging premium ground transport and airport assistance across international cities…
Financial Health
StrongStrong
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Computed from 5 filingsProvides performance-focused digital marketing services using data analysis to plan and manage online advertising campaigns. Works with clients in live entertainment, sport, theatre, fashion and…
Serves B2B clients in live entertainment, sport, theatre, fashion, lifestyle and e-commerce, including brands, event organisers and venue or ticketing teams.
Financial Health
HealthyHealthy · -48% CAGR over 4y
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Computed from 5 filingsProvides email and SMS marketing services for e‑commerce brands, focusing on customer retention and revenue growth. Develops campaign strategies, automated flows, and lead generation systems, and…
Serves B2B clients: fast-growth direct-to-consumer ecommerce brands, including online retailers with customer retention and lifecycle marketing teams, particularly Klaviyo users.
Financial Health
StrongStrong · Hiring · 41% CAGR over 5y
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Computed from 5 filingsProvides card payment processing solutions for businesses, including countertop, portable and mobile card machines, online payment gateways and EPOS systems. Also offers merchant cash advances,…
Serves UK businesses that need card and online payment acceptance, including retail stores, restaurants and hospitality operators, mobile service providers and e-commerce merchants.
Financial Health
StrongStrong · Hiring · 22% CAGR over 4y
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Computed from 5 filingsProvides cloud-based invoicing and business management software for small businesses and freelancers. The platform enables creation of invoices, quotes, estimates and purchase orders, tracks expenses…
Serves freelancers, contractors, entrepreneurs and small business owners, especially trades and local service businesses such as construction, HVAC, electrical, plumbing, landscaping, cleaning, auto…
Financial Health
StrongStrong
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Computed from 5 filingsProvides digital communications and marketing services including digital strategy, content development, social media strategy and campaign execution, helping organisations run online campaigns,…
Serves B2B and nonprofit organisations, including FTSE 100/250 companies, tech unicorns and membership bodies, typically communications and marketing leaders at large, recognisable brands.
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
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Computed from 3 filingsProvides digital advertising technology that detects when website visitors are about to leave using pattern recognition and machine learning, displaying targeted exit‑intent ads and engagement…
Serves B2B advertisers, brand marketing teams and digital publishers looking to run or monetise display advertising campaigns, including publishers seeking new revenue from disengaging website…
Financial Health
HealthyHealthy · Hiring · 32% CAGR over 2y
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Computed from 5 filingsProvides talent management services for digital, broadcast and podcast creators, including career planning, brand development and representation. Connects creators with brands for campaigns and…
Serves digital, broadcast and podcast creators in media, music, sport and entertainment, alongside premium brands seeking collaborations, campaigns and ambassador partnerships with represented talent.
Financial Health
StrongStrong · Hiring · 70% CAGR over 5y
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Computed from 2 filingsProvides accounting and tax services for freelancers, contractors and small to medium-sized businesses, including payroll management, company formation, bookkeeping, tax returns, and HMRC compliance…
Serves B2B customers in London, including freelancers, contractors, first-time business owners, SMEs and small companies across multiple sectors.
Financial Health
StrongStrong · -7% CAGR over 1y
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Computed from 5 filingsProvides reputation management consulting for organisations, including stakeholder research and reputation intelligence, strategy development, communications and engagement programmes, and advisory…
Serves large organisations and NGOs globally, targeting leadership, strategy, communications, sustainability, public affairs, culture, HR, procurement, marketing and supply chain teams in FMCG,…
Financial Health
StrongStrong · Hiring · 6% CAGR over 4y
Location
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Computed from 5 filingsProvides production accounting software and payroll SaaS for film and television productions, including budgeting, purchase orders, accounts payable, digital forms, e-signatures, timecards, and…
Serves B2B customers in film and television production, especially production accountants, production finance teams and freelance crew, with separate Australia and UK resources.
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 4y
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Computed from 3 filingsOwns and operates a five-star hotel offering guest accommodation in rooms and suites, with on-site dining including a fine dining restaurant, bar, afternoon tea service, private dining, and meeting…
Serves affluent leisure and business travellers visiting central London, plus local and visiting diners, families celebrating occasions, and corporate or private event organisers seeking five-star…
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 2y
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Computed from 3 filingsOperates hospitality venues including the Audley Public House and Mount St. Restaurant, providing pub and restaurant dining, alcoholic beverages, and food service within art-focused interiors as part…
Serves consumers and members: diners, pub-goers, hotel guests, private club members and food shoppers, with venues appealing to art, culture and hospitality customers in Mayfair, Somerset, Scotland,…
Financial Health
StrongStrong
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Computed from 3 filingsOperates private day nurseries providing early years education and childcare for young children. Delivers play‑based learning programmes influenced by Montessori, Froebel and Steiner approaches, with…
Serves parents and guardians seeking private early years nursery places for babies and pre-school children, with locations in London and commuter towns such as Amersham, Berkhamsted, Chelmsford and…
Financial Health
StrongStrong · Hiring · 25% CAGR over 2y
Location
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Computed from 5 filingsProvides translation, interpretation and localisation services in over 200 languages, including certified, technical and multimedia translation. Supports sectors such as medical, pharmaceutical,…
Serves B2B clients needing multilingual support, especially medical device, pharmaceutical, life sciences and healthcare organisations, plus professional services, manufacturing, transport and…
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
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Computed from 5 filingsProvides data management and engineering services including cloud migration and optimisation, data governance, AI and analytics, and custom software development. Designs and implements data…
Serves B2B clients in financial services, insurance, retail, telecoms, media, entertainment, gaming and betting, plus healthcare professionals, data scientists and researchers needing health data…
Financial Health
HealthyHealthy · Hiring · 46% CAGR over 4y
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Computed from 4 filingsProvides film and video production support through a global network of local fixers, including location scouting, production assistance, permits, crew sourcing, pre‑production planning, and…
Serves film and video production companies, agencies and brand marketing teams worldwide, including buyers producing TV commercials, documentaries, music videos, travel content and hotel videos.
Financial Health
StrongStrong · Growing, Hiring · 34% CAGR over 3y
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Computed from 5 filingsProvides recruitment and staffing services supplying temporary labour, contract staff, and permanent placements across sectors including construction, engineering, healthcare, IT, and business…
Serves employers across Europe seeking temporary labour, permanent placements and managed workforce support, especially in construction, engineering, healthcare, financial services, administration,…
Financial Health
StrongStrong · Growing, Hiring · 172% CAGR over 4y
Location
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Computed from 5 filingsProvides business development and B2B marketing services, supporting client acquisition across the sales funnel. Services include lead generation, outreach, and lead nurturing to help businesses…
Serves marketing agencies and B2B businesses globally, targeting organisations seeking support across business development, lead nurturing and funnel conversion.
Financial Health
StrongStrong · Growing, Hiring · 32% CAGR over 4y
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Computed from 5 filingsProvides market research and insight services for technology and B2B organisations, including audience and brand research, surveys, qualitative and quantitative studies, customer journey mapping,…
Serves B2B technology companies, brands, and marketing/PR agencies, particularly marketers and communications teams across sectors including business services, construction, industrial, charities,…
Financial Health
StrongStrong · Growing, Hiring · 27% CAGR over 4y
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Computed from 5 filingsProvides market research and consulting services, combining qualitative and quantitative research, cultural and behavioural insights, digital listening and analytics to support brand strategy,…
Serves local businesses, multinational conglomerates and start-ups, with sector focus on financial services, healthcare, consumer goods, fashion and beauty, technology and consulting.
Financial Health
StrongStrong · Hiring · 27% CAGR over 4y
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Computed from 5 filingsProvides third‑party logistics and order fulfilment services for e‑commerce brands, including goods‑in handling, warehousing and storage, picking and packing, shipping, and returns processing. Also…
Serves growing eCommerce brands selling DTC and B2B, including fashion, homeware, electronics, hair and beauty, food and drink, subscription box, supplements and vitamins retailers shipping in the…
Financial Health
StrongStrong · Growing, Hiring · 13% CAGR over 5y
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Computed from 5 filingsSupplies wholesale cut flowers, plants, dried flowers, and floristry sundries to trade florists. Provides an online webshop for ordering floral stock, décor items, and accessories sourced from…
Serves trade-only professional florists, including retail and event florists, primarily across London and surrounding counties.
Financial Health
StrongStrong · Growing, Hiring · 17% CAGR over 4y
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Computed from 5 filingsOperates gelato and coffee shops selling Italian-style gelato, sorbets, coffee, pastries and cakes. Offers takeaway and in‑store desserts, customised gelato cakes, catering services, and online…
Serves individual consumers and families visiting London cafés or ordering online, plus customers seeking gelato cakes, dessert pre-orders and catering. Also addresses hospitality trade buyers and…
Financial Health
StrongStrong · Hiring · 55% CAGR over 4y
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Key facts
About 5% of the trading cohort reports turnover above £5M (69 of 1,237 firms) — the rest sits below that revenue band.
8% of the cohort was incorporated since 2022 (107 firms), so a sizeable share is in its first few filing cycles.
99.8% of the London cohort also runs a content-management layer, so this SEO signal is concentrated on editable public websites rather than static brochure sites.
58.8% also run an analytics tag and 45.8% run a tag-management layer, indicating that measurement often sits alongside on-page SEO tooling.
Construction accounts for 11.6% of tagged firms and field services and trades for 11.2%, making local-service sectors a visible part of the cohort.
Healthcare providers make up 8.6%, travel and hospitality 7.2%, and SaaS 7.0%, so the list spans regulated services, booking-led sites and subscription software firms.
What else do RankMath SEO users run?
Share of the 1,237 RankMath SEO-running UK companies where each technology was also detected. As of June 2026.
Who runs RankMath 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
£599.4K
Median UK turnover
5.6%
Above £5M turnover
107
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 1,915 companies, alongside financials and websites, in one Excel + CSV file.
How RankMath 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.
RankMath SEO is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
RankMath SEO elsewhere
Frequently asked questions
How many companies in London use RankMath SEO?
How is RankMath SEO usage detected?
What kinds of companies use RankMath SEO in London?
What do RankMath SEO users in London also run?
How fresh is this data?
Can I get contact details for these companies?
Buy all 1,915 companies as a spreadsheet.
One Excel/CSV file with company details, websites and key data — yours to download and use.