Companies Using WPMU DEV Hummingbird in London: 103 Active Firms (2026)
London companies running website optimisation tools use caching, compression and performance controls on public websites across the capital.
A caching and performance plugin sits close to the content-management and hosting layer, reducing page weight, managing cached assets and helping non-specialist web teams keep public sites responsive. Adoption tends to signal a marketing-led website with regular content changes, attention to search visibility and conversion, but without a dedicated platform engineering group. Buying centres are usually marketing, operations or outsourced web support rather than central IT. Engagements are typically modest: configuration, monitoring and periodic tuning, not a long enterprise software programme.
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London has 103 actively trading companies running this website optimisation stack. Reported employment totals 1,229 people, and all 80 firms with headcount reported show employees, giving the cohort a visible operating footprint rather than a purely dormant web trail. Adoption is spread across practical service sectors: healthcare providers account for 14.6%, construction for 10.7%, field services and trades for 9.7%, marketing agencies for 8.7%, and IT services and managed services for 7.8%. Those categories overlap, but they point to organisations whose websites need lead capture, appointment flows or local search performance.
Website performance tooling sits in the same procurement lane as hosting, content management, analytics and consent controls. For London organisations using forms, enquiry flows or logged-in areas, the practical compliance risk is less the caching layer itself than the services around it. UK GDPR, PECR and ICO guidance make cookie disclosure, consent handling, processor terms and retention rules relevant when teams add tracking, security checks or optimisation plugins. Procurement therefore tends to sit with whoever owns the site maintenance contract.
Adoption appears likely to follow the wider bundling of website maintenance, hosting and search work. Smaller London service firms tend to prefer tools that can be managed by an agency or a technically literate marketer, while larger employers may fold optimisation into broader web operations. Pressure should come from performance expectations, privacy governance and the shift towards fewer separate plugins. That points to gradual churn rather than a clean migration wave, with users reassessing the stack when sites are rebuilt or supplier contracts change.
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 WPMU DEV Hummingbird rises with company size across the trading companies in this cohort. 0% of the 532,485 companies with under 10 employees run WPMU DEV Hummingbird (54 detected). 0.3% of the 15,364 companies with 10–50 employees run WPMU DEV Hummingbird (40 detected). 0.3% of the 1,763 companies with over 50 employees run WPMU DEV Hummingbird (6 detected). That is a 0.3% gap between the over 50 employees and under 10 employees bands.
103
Active firms
2026
5
Above £5M turnover
Trading firms
9
Median headcount
Filed accounts
211
Verified directors
Across this cohort
Top companies using WPMU DEV Hummingbird 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 5 filingsProvides online trading services as a market maker in financial derivatives, including contracts for difference (CFDs), spread betting, and foreign exchange. Operates a trading platform enabling…
Serves retail investors and professional traders seeking online access to leveraged markets, including spread betting, CFDs and forex, with demo and live account options.
Financial Health
HealthyHealthy · 1% CAGR over 5y
Location
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Computed from 5 filingsOperates a four‑star boutique hotel providing short‑stay accommodation in rooms and suites. Offers guest amenities including marble bathrooms, in‑room hospitality trays, and complimentary afternoon…
Serves leisure and business travellers seeking boutique 4-star stays in Knightsbridge, including couples, shoppers visiting Harrods and Harvey Nichols, and guests wanting central London access.
Financial Health
StableStable · Hiring · 7% CAGR over 4y
Location
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Computed from 5 filingsProvides commercial property consultancy and agency services, including selling and letting property, lease advisory, property asset management, acquisition support, commercial property management,…
Serves commercial property owners, landlords, investors and occupiers, plus residential block and freehold clients, across London and surrounding Home Counties.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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Computed from 5 filingsDesigns and sells vehicle load‑carrying equipment including inflatable roof racks, roof bars, soft roof boxes, cargo bags and securing straps. Also supplies kayak and canoe trolleys, hand trucks,…
Sells primarily to consumers, including car owners, families, road-trip travellers and outdoor recreation users such as kayakers, canoeists, paddleboarders and surfers.
Financial Health
StableStable · Hiring · 32% CAGR over 4y
Location
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Computed from 5 filingsDevelops and manages residential property developments, offering modern homes for sale or rent. Markets and oversees housing projects and works with investors, suppliers and stakeholders to deliver…
Serves homebuyers and residents seeking modern homes across London and the South East, alongside property investors and housing-delivery stakeholders.
Financial Health
WeakWeak
Location
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Computed from 5 filingsProvides event catering services, creating bespoke menus using seasonal ingredients for weddings, corporate functions, film premieres, gala dinners and private parties. Also supports event planning…
Serves corporate event organisers, luxury brands, venue managers, and private clients planning weddings, gala dinners, premieres, canapé receptions and private dinners in London’s events market.
Financial Health
HealthyHealthy · -36% CAGR over 4y
Location
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Computed from 5 filingsProvides recruitment and executive search services for the financial services sector, placing professionals in governance, risk and compliance, finance, operations, actuarial, insurance, and…
Serves employers and job candidates in financial services, mainly across governance, finance, operations and insurance. Targets hiring teams seeking permanent, interim and executive talent, and…
Financial Health
StableStable · -69% CAGR over 4y
Location
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Computed from 4 filingsProvides domestic and commercial removal services, including house moves and office relocations. Offers packing, export packing and shipping, vehicle transport, and secure warehouse storage,…
Serves homeowners, renters and businesses planning domestic or office moves in London, Kent and the wider UK, including customers relocating internationally to France, Spain and Ireland.
Financial Health
StableStable · -8% CAGR over 3y
Location
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Computed from 5 filingsDesigns, fabricates and installs bespoke metalwork including electric driveway gates, wrought iron and metal railings, security grilles, balconies, staircases and structural steel. Also supplies gate…
Serves homeowners, landlords and commercial property owners/managers in London, Surrey, Middlesex and surrounding areas, with customers spanning residential and commercial premises.
Financial Health
WeakWeak · -3% CAGR over 4y
Location
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Computed from 4 filingsProvides event catering for private and corporate functions including weddings, parties, client dinners, conferences and office lunches. Designs and prepares bespoke menus, canapés and light bites,…
Serves private individuals planning parties, weddings and family occasions, plus businesses hosting meetings, launches, office parties and conferences in London, Hertfordshire and the Home Counties.
Financial Health
DistressedDistressed · -24% CAGR over 3y
Location
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Computed from 5 filingsProvides corporate recovery, insolvency administration, turnaround and restructuring advisory services for businesses and individuals. Also conducts forensic and fraud investigations, offers expert…
Serves global corporations, SMEs and individuals facing financial or operational challenges across property, financial services, leisure, manufacturing, logistics, retail, technology, media,…
Financial Health
StrongStrong · -3% CAGR over 4y
Location
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Computed from 3 filingsProvides corporate investigations and intelligence services for businesses and law firms, including fraud and corruption investigations, asset tracing, due diligence, litigation and arbitration…
Serves businesses and their senior decision-makers, boards, legal teams and compliance leaders needing investigations support in disputes, fraud, due diligence, cyber risk and regulatory matters,…
Financial Health
StrongStrong · Hiring · 19% CAGR over 2y
Location
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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
Location
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Computed from 5 filingsInsurance broker specialising in hire and reward motor insurance for professional drivers and fleets, including private hire, taxi, chauffeur, delivery vehicle, wedding car and driving instructor…
Serves individual hire-and-reward drivers and small fleets, including private hire and black taxi drivers, chauffeurs, delivery car/van drivers, wedding car operators and driving instructors.
Financial Health
StrongStrong · Growing · 2% CAGR over 4y
Location
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Computed from 5 filingsProvides interior architectural design services for residential spaces including kitchens, home bars, dressing rooms and living areas. Develops bespoke design concepts, specifies materials, and…
Serves private homeowners and residential clients commissioning bespoke interiors for kitchens, home bars, dressing rooms and wider home projects, particularly in London and nearby Home Counties.
Financial Health
StableStable · Hiring · 15% CAGR over 4y
Location
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Computed from 5 filingsProvides large-format printing services for retail, events and exhibitions. Produces window and wall vinyls, floor stickers, banners, labels, display boards, and cut-out graphics, with CNC routing…
Serves B2B customers in retail, events, exhibitions, pop-up shops, interiors and architecture, primarily in London, including brands, agencies, venue teams and project managers.
Financial Health
StableStable · Hiring · 29% CAGR over 4y
Location
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Computed from 5 filingsRecruits, assesses and trains foster carers and provides ongoing support. Works with local authorities to place children and young people in foster homes, matching carers with children in care and…
Serves London local authorities responsible for children in care, alongside adults and families in London who want to become foster carers or transfer from another fostering agency.
Financial Health
StableStable · -22% CAGR over 4y
Location
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Computed from 5 filingsProvides domiciliary home care services including live-in care, scheduled home visits, personal care, domestic assistance, and support for children with learning disabilities or mental health needs.…
Serves individuals and families in Greater London seeking care at home, including adults needing visits or live-in support and children aged 13–17 with additional needs; also sells temporary staffing…
Financial Health
HealthyHealthy · Hiring · 17% CAGR over 4y
Location
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Computed from 5 filingsOrganises sports travel packages for spectators, including tours to international rugby, cricket, horse racing and other major events. Arranges match tickets, accommodation, flights, hospitality and…
Sells primarily to consumers seeking bespoke sports travel packages, especially discerning sports fans following rugby, cricket, horse racing, golf and major international events. Also serves…
Financial Health
WeakWeak · Hiring · 10% CAGR over 4y
Location
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Computed from 5 filingsProvides recruitment and staffing services for schools, placing teachers, teaching assistants, SEN specialists, cover supervisors and support staff. Advertises education job vacancies and connects…
Serves primary, secondary and SEND schools as clients, plus education candidates including qualified teachers, teaching assistants, SEN specialists, therapists and support staff seeking school roles.
Financial Health
StableStable · Hiring · 76% CAGR over 4y
Location
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Computed from 5 filingsProvides same-day courier and delivery services, arranging point‑to‑point transport of documents, parcels and palletised goods via a network of car and van couriers. Offers online quotes, booking,…
Serves UK businesses and consumers needing same-day point-to-point courier collection and delivery, from documents and small parcels to palletised goods, including multi-drop and wait-and-return jobs.
Financial Health
DistressedDistressed · -15% CAGR over 4y
Location
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Computed from 5 filingsProvides chartered accountancy services including bookkeeping, audit, payroll, VAT, self‑assessment and corporate tax planning. Advises creatives, media professionals, property businesses and…
Serves B2B and B2C clients, especially creatives and property professionals, including artists, influencers, media professionals, musicians, actors, models, writers, sole traders, partnerships,…
Financial Health
HealthyHealthy · Hiring · 4% CAGR over 4y
Location
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Computed from 5 filingsProvides plumbing and heating services including installation, maintenance and repair of boilers, pipework and heating systems, as well as drainage clearance and bathroom refurbishment. Handles…
Serves private residential owners, SMEs, property developers, schools, local authorities and large corporate bodies across London and Kent.
Financial Health
HealthyHealthy · -56% CAGR over 5y
Location
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Computed from 4 filingsProvides property‑related finance products and operates a website featuring residential property listings and enquiries. Collects applicant information through online forms from individuals seeking…
Financial Health
StrongStrong
Location
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Computed from 3 filingsActs as a holding and operating company for independent financial adviser (IFA) and wealth management firms. Acquires and partners with local financial planning practices, providing resources,…
Serves UK consumers seeking holistic financial planning and wealth management through local independent financial advisers, and targets owners of UK financial planning and wealth management practices…
Financial Health
StrongStrong · Hiring · 145% CAGR over 2y
Location
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Computed from 5 filingsOperates day nurseries and pre‑school childcare services, providing early years care and education for young children. Offers structured learning activities, play‑based development programmes, and…
Serves parents and families seeking day nursery and pre-school places for babies and young children, primarily around Bromley and Sidcup.
Financial Health
StrongStrong · Growing, Hiring · 38% CAGR over 4y
Location
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Computed from 4 filingsProvides recruitment and staffing services for the built environment sector, placing candidates in roles across water, energy, telecommunications, data centres, transportation, infrastructure,…
Serves hiring businesses in the built environment, including infrastructure, water, energy, telecoms, data centres, transportation, digital and real estate sectors.
Financial Health
WeakWeak · Hiring · 49% CAGR over 3y
Location
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Computed from 5 filingsProvides recruitment and staffing services for the healthcare sector, supplying temporary and permanent healthcare professionals to clients, offering job placements, compliance processing, training…
Serves UK healthcare organisations that need flexible staffing, and healthcare professionals seeking short- or long-term roles, training, and travel-supported placements across a range of healthcare…
Financial Health
HealthyHealthy
Location
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Computed from 5 filingsOperates a healthcare clinic providing orthotics and musculoskeletal treatments, including custom insoles, knee braces and orthoses. Offers physiotherapy, osteopathy, podiatry, shockwave therapy and…
Serves private and NHS-referred patients in North London, Barnet, Enfield and Hertfordshire, including adults with foot, knee or mobility conditions, parents of babies with head-shape concerns, and…
Financial Health
HealthyHealthy · -10% CAGR over 4y
Location
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Computed from 5 filingsProvides domiciliary care services for adults in their own homes, including personal care, dementia support, medication assistance, companionship, night support, live-in and 24-hour care, and…
Serves vulnerable adults and their families, including older people and those with dementia, learning disabilities, mental health needs, physical disabilities, palliative care needs or long-term…
Financial Health
WeakWeak · Hiring · 22% CAGR over 4y
Location
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Computed from 5 filingsProvides recruitment consultancy for the media industry, placing candidates from entry‑level to senior roles. Recruits across media sales, PR and editorial positions, covering sectors such as digital…
Serves media companies and candidates across media sales, PR and editorial, including digital, outdoor, magazines, broadcast, national press and mobile, from entry-level roles to sales director level.
Financial Health
DistressedDistressed · Hiring · 3% CAGR over 4y
Location
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Computed from 5 filingsOperates a wine shop and lounge retailing a selection of wines and champagnes through an online store and in‑store sales. Offers gift vouchers, wine hampers, and hosts wine tasting events and related…
Serves consumers, wine enthusiasts and gift buyers, particularly local residents and visitors in Beckenham, seeking retail purchases, hampers, vouchers, lounge visits and wine tasting experiences.
Financial Health
DistressedDistressed · -4% CAGR over 4y
Location
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Computed from 5 filingsProvides off-site document storage and archiving services for businesses, including secure document shredding, document scanning and digitisation, warehousing and pallet storage, and destruction or…
Serves businesses in London needing off-site storage for documents, office equipment, art or models, plus organisations requiring document shredding, scanning, warehousing, pallet storage or IT…
Financial Health
StableStable · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides brand consultancy services including brand strategy, identity development, culture alignment, digital experiences and go‑to‑market support, helping organisations reposition brands and manage…
Serves executive teams at global organisations facing leadership change, strategic pivots, M&A, joint ventures, investment or divestment, especially in energy, health, professional services,…
Financial Health
HealthyHealthy · -63% CAGR over 4y
Location
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Computed from 4 filingsInvests in and develops businesses focused on the energy transition and net‑zero economy. Provides consultancy, research, technical assistance, measurement and verification support, architecture and…
Serves entrepreneurs and businesses in the net zero and regenerative economy, alongside investors, corporates and local authorities seeking energy transition and impact support.
Financial Health
StableStable · Hiring · 19% CAGR over 3y
Location
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Provides consultancy services helping businesses secure government innovation funding and tax incentives, including R&D tax relief claims, grant funding, Patent Box relief, capital allowances, energy…
Serves UK businesses pursuing innovation funding and tax relief, including companies in advanced materials, agriculture, construction, food and beverage, life sciences, manufacturing and engineering,…
Financial Health
N/AN/A
Location
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Computed from 5 filingsProvides interim legal support by matching organisations with freelance lawyers, paralegals and fractional general counsel. Offers flexible placements, project-based legal work, and managed legal…
Serves businesses with in-house legal needs, including legal teams, general counsel and C-suite executives at scaling companies requiring interim, fractional or managed legal resourcing.
Financial Health
StrongStrong · Hiring · 7% CAGR over 4y
Location
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Computed from 5 filingsProvides plumbing and heating services including boiler repairs, boiler installations, central heating system installation and maintenance, leak detection, hot water system repairs, gas engineering…
Serves domestic and commercial customers in Hackney and surrounding East London areas, including households and local businesses needing plumbing, boiler, heating or hot water support.
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
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Computed from 4 filingsProperty developer and investor undertaking residential, industrial and commercial projects. Acquires land and existing sites, secures planning permission, and develops or redevelops schemes…
Serves private and institutional property investors seeking joint venture opportunities, as well as commercial occupiers and residential buyers across industrial, office, retail, student and housing…
Financial Health
WeakWeak · -7% CAGR over 3y
Location
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Computed from 3 filingsOperates quick‑service sandwich restaurants serving made‑to‑order submarine sandwiches with meats, vegetables and freshly baked bread, alongside drinks, chips and cookies. Also offers takeaway…
Serves individual diners ordering casual meals, plus groups and organisations seeking catering for meetings or events.
Financial Health
HealthyHealthy · 2% CAGR over 2y
Location
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Computed from 5 filingsProvides building and property refurbishment services for residential and commercial projects, including internal fit-outs, new build construction, and building conversions. Also undertakes repairs,…
Sells to commercial and residential property clients needing building works, including offices, commercial building owners and residential premises. Serves businesses and domestic customers in London…
Financial Health
StrongStrong · Hiring · 9% CAGR over 4y
Location
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Computed from 5 filingsProvides international recruitment and executive search services, sourcing professionals for roles in audit and assurance, tax, technology, IT, risk and compliance. Also offers project recruitment,…
Serves global assurance firms and international companies seeking audit, tax, advisory, technology, IT, risk, compliance and SOX talent, including employers with Caribbean operations; also engages…
Financial Health
StrongStrong · Growing, Hiring · 23% CAGR over 5y
Location
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Computed from 3 filingsProvides residential plumbing, heating and gas services including boiler installation and repair, central heating work, drainage, and leak repairs. Also designs and installs bathrooms and carries out…
Serves homeowners and domestic property owners in Surrey, South London and surrounding areas seeking plumbing, heating, gas and bathroom installation support.
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
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Computed from 5 filingsProvides publishing, copywriting and public relations services, and organises conferences, business events and industry content for companies and organisations in the manufacturing and engineering…
Serves B2B clients in manufacturing and engineering, including industrial companies, technology vendors and professional services firms, plus sector bodies and foundations.
Financial Health
StableStable · -20% CAGR over 4y
Location
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Computed from 5 filingsProvides installation, maintenance and repair of refrigeration and air conditioning systems for commercial, industrial and residential properties. Services include system design, bespoke…
Serves homeowners and commercial or industrial property clients needing air conditioning and refrigeration support across London and the South East, especially Central London.
Financial Health
StableStable · 0% CAGR over 4y
Location
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Computed from 5 filingsSupplies food and catering products to restaurants and hospitality businesses, including food ingredients, beverages, alcohol, kitchen equipment, disposable items, and cleaning and hygiene supplies,…
Serves B2B foodservice customers, especially restaurants and other commercial kitchen operators needing a wholesale catering supplier relationship.
Financial Health
StableStable · -2% CAGR over 4y
Location
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Computed from 5 filingsProvides business consulting services covering operations strategy, organisational performance, customer experience, mergers and acquisitions, branding and marketing. Also offers business process…
Serves B2B clients, primarily business owners, executives and leadership teams seeking support across operations, customer experience, M&A, marketing, organisational performance and fractional talent.
Financial Health
DistressedDistressed · -13% CAGR over 4y
Location
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Provides general and preventive dental care, cosmetic dentistry, and specialist dental treatments. Offers consultations, oral health maintenance, and dental services for adults and children delivered…
Serves local consumers, families and children in New Malden, including patients seeking routine preventive care, cosmetic dentistry or specialist dental services.
Financial Health
N/AN/A
Location
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Computed from 3 filingsProvides specialist IT and SAP recruitment services, sourcing and placing contractors, consultants and permanent staff for enterprise technology projects. Offers contract staffing, retained search,…
Serves B2B employers running enterprise IT systems, especially SAP, including high-growth tech companies and organisations needing contract, permanent, retained search, payroll, or project team…
Financial Health
WeakWeak · 3% CAGR over 2y
Location
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Computed from 4 filingsDesigns, installs and maintains fire alarm and electronic security systems, including CCTV, intruder alarms, access control and PAVA systems. Provides alarm monitoring through an alarm receiving…
Serves UK commercial organisations, including blue-chip clients, plus trade customers and high-net-worth security users seeking fire, security, monitoring, guarding and consultancy support.
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 3y
Location
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Key facts
About 4% of the trading cohort reports turnover above £5M (5 of 103 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 company in the cohort runs the same underlying content-management layer, so the performance tool appears as part of a relatively standard publishing stack rather than a bespoke web build.
Analytics tags appear on 58.3% of these sites, while tag-management tooling appears on 41.7%, indicating that measurement infrastructure often sits alongside performance controls.
Page-builder usage is visible across 38.8% of the cohort, which may make caching and front-end optimisation more relevant for teams managing content-heavy pages.
Healthcare Provider is the largest sector tag at 14.6%, followed by Construction at 10.7% and Field Services & Trades at 9.7%.
Financial-health classifications are mixed: 27.2% sit in the stable band, while 13.6% are weak and 9.7% are distressed.
What else do WPMU DEV Hummingbird users run?
Share of the 103 WPMU DEV Hummingbird-running UK companies where each technology was also detected. As of June 2026.
Who runs WPMU DEV Hummingbird 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.
9
Median headcount
£648.8K
Median UK turnover
4.9%
Above £5M turnover
6
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 135 companies, alongside financials and websites, in one Excel + CSV file.
How WPMU DEV Hummingbird 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.
WPMU DEV Hummingbird is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
WPMU DEV Hummingbird elsewhere
Frequently asked questions
How many companies in London use WPMU DEV Hummingbird?
How is WPMU DEV Hummingbird usage detected?
What kinds of companies use WPMU DEV Hummingbird in London?
What do WPMU DEV Hummingbird users in London also run?
How fresh is this data?
Can I get contact details for these companies?
Buy all 135 companies as a spreadsheet.
One Excel/CSV file with company details, websites and key data — yours to download and use.