Companies Using Smush in London: 340 Active Firms (2026)
Companies using website image optimisation in London run public-facing sites that compress images for faster page loads across the capital.
Adoption usually sits with marketing, content and web operations teams, rather than central IT. Companies running this image-optimisation stack tend to have public websites where photography, staff profiles, case studies, listings or course content are part of customer acquisition. The buying motion is usually modest in software terms: a site-maintenance budget, an agency retainer, or a performance clean-up attached to a wider content-management workflow. It signals a company that cares enough about page speed to manage images deliberately, but not necessarily one with a large engineering function.
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Across London, 340 trading companies are running this image-optimisation technology on public websites. The adoption picture is small enough to inspect firm by firm, but broad enough to span local services, healthcare, education, agencies and property-related operators. Among the 119 companies reporting employment, disclosed headcount totals 2,216 people, which points to a cohort weighted towards lean operating teams rather than large digital departments. That matters for sales interpretation: many of these users are likely to rely on web agencies, freelance developers or packaged site maintenance rather than in-house performance engineering.
Image optimisation is not, by itself, a regulated activity, but it sits close to areas that do attract scrutiny. Sites using compression, lazy-loading and media-delivery tools often run analytics, forms and anti-spam code alongside them, so cookie notices, consent flows and processor terms need to be checked as part of the same web stack. GDPR and ICO guidance are the relevant reference points when images, forms or tracking scripts touch personal information. Procurement tends to be practical rather than strategic: agencies and site owners look for compatibility with their content-management workflow, acceptable hosting arrangements and a low risk of breaking existing pages.
Adoption appears likely to follow the maintenance cycle of content-managed websites rather than a separate software-buying cycle. Smaller organisations may let hosting packages or theme defaults absorb more of the optimisation work, while agencies serving content-heavy clients tend to keep separate controls where page weight affects enquiries or bookings. The market also looks exposed to bundling: performance, security, consent and analytics tools are often bought or configured together, which can make standalone optimisation less visible. Users with lean teams will probably value fewer moving parts, provided image quality and editorial workflows do not suffer.
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 Smush rises with company size across the trading companies in this cohort. 0% of the 532,485 companies with under 10 employees run Smush (241 detected). 0.6% of the 15,364 companies with 10–50 employees run Smush (97 detected). 0.3% of the 1,763 companies with over 50 employees run Smush (5 detected). That is a 0.3% gap between the over 50 employees and under 10 employees bands.
340
Active firms
2026
17
Above £5M turnover
Trading firms
5
Median headcount
Filed accounts
692
Verified directors
Across this cohort
Top companies using Smush 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 filingsProduces and distributes news and feature content, including stories, photographs and video, for newspapers, magazines and digital publishers. Sources and licenses user‑generated material and…
Serves B2B media publishers across print, digital and social, plus brands, entrepreneurs and influencers seeking PR exposure; also works with photographers, videographers and individuals submitting…
Financial Health
StrongStrong · Growing, Hiring · 52% CAGR over 4y
Location
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Computed from 5 filingsOperates an online platform for residential property transactions, enabling users to search for homes for sale or rent and access related services including estate agent listings, mortgage brokerage,…
Serves UK residential property buyers, sellers, renters and homeowners, including people needing mortgages, conveyancing and estate-agent support during a home move.
Financial Health
HealthyHealthy · Hiring · 42% CAGR over 4y
Location
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Computed from 3 filingsProvides content marketing and media services for travel and tourism brands, including client publishing, advertising sales, email campaigns, influencer management and translation. Publishes visitor…
Serves B2B clients in the travel and visitor economy, including tourism brands, London attractions, luxury hotels and concierges, business improvement districts, retailers and tourism bodies seeking…
Financial Health
StrongStrong · Growing, Hiring · 29% CAGR over 2y
Location
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Computed from 3 filingsOperates an online content platform providing articles, guides, podcasts and newsletters on fertility, pregnancy and parenting. Features expert profiles, health information, community stories, and…
Serves a mixed B2C/B2B market: people trying to conceive, pregnant people, parents and families, including LGBTQ+, solo-parenting, donor conception and surrogacy audiences, plus fertility, pregnancy…
Financial Health
StrongStrong · Hiring · 23% CAGR over 2y
Location
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Computed from 5 filingsDevelops and sells natural, vegan haircare and skincare products, including shampoos, conditioners, scalp treatments, face serums, cleansers and moisturisers. Offers ranges targeting issues such as…
Sells direct to consumers seeking natural, vegan haircare and skincare, including shoppers with scalp irritation, thinning hair, curls, dandruff, dry or sensitive skin, ageing, pigmentation and…
Financial Health
HealthyHealthy · Hiring · 19% CAGR over 4y
Location
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Computed from 5 filingsDesigns and arranges tailor‑made holidays focused on wellness and active travel. Offers packages including spa and fitness retreats, yoga and detox programmes, family activity holidays, and adventure…
Serves leisure consumers seeking active, health and wellness-focused holidays, including solo travellers, couples, families and groups of friends planning retreats or activity-led trips across…
Financial Health
StrongStrong · Hiring · 11% CAGR over 4y
Location
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Computed from 5 filingsProvides WordPress web design and development services, including UX/UI design, custom platform and plugin development, CMS migration, API integrations and dedicated hosting. Also delivers SEO…
Serves enterprise and growth-focused organisations, typically marketing, digital and product teams needing WordPress website, platform and SEO support, including firms with complex, multilingual or…
Financial Health
StrongStrong · Hiring · 11% CAGR over 4y
Location
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Computed from 5 filingsOperates a Lebanese restaurant and lounge serving halal grilled meats, mezze, desserts and drinks. Offers dine‑in meals, group set menus, bar and wine list, shisha service, reservations and food…
Serves individual diners, shisha customers and groups seeking halal Lebanese food, drinks and Arabian-style dining in London’s Mayfair, including vegetarian, vegan and Ramadan/iftar guests.
Financial Health
StrongStrong · Growing, Hiring · 28% CAGR over 4y
Location
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Computed from 3 filingsOperates a contemporary art gallery representing international artists. Organises exhibitions and showcases artworks, and facilitates the sale, purchase, and consignment of artworks, including…
Serves private art collectors, artwork buyers and consignors, plus contemporary artists represented through its commercial gallery and international artist network.
Financial Health
HealthyHealthy · Hiring · 22% CAGR over 2y
Location
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Computed from 5 filingsOrganises and produces industry conferences and business events across sectors including energy, chemicals, maritime and pharmaceuticals. Develops conference programmes through industry research and…
Serves B2B conference attendees, speakers and sponsors across biobased products, chemicals, electrical energy, decarbonisation, fuels and lubricants, maritime, pharma and biotech sectors worldwide.
Financial Health
StrongStrong · -2% CAGR over 5y
Location
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Computed from 5 filingsProvides search engine optimisation (SEO), website design and development, and digital marketing services. Also offers paid search and social advertising, content creation, branding, WordPress…
Serves businesses seeking stronger online visibility, particularly SMEs and larger global companies. Targets business owners and teams needing websites or SEO, with referrals often coming from…
Financial Health
StableStable · 0% CAGR over 4y
Location
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Computed from 3 filingsMembership organisation for independent media and marketing agencies. Provides professional training, industry awards, benchmarking, peer networking groups, events, and resources on topics such as…
Targets independent advertising, media, marketing and communications agencies, including agency owners, CEOs, senior leaders, future leaders and practitioners seeking a professional membership…
Financial Health
StrongStrong · Growing · 0% CAGR over 2y
Location
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Computed from 3 filingsMembership organisation that convenes senior business leaders, investors, educators and policymakers. Organises networking events, forums and working groups, supports collaboration between members,…
Serves small and large businesses, education institutions, investors and policy makers in West London, including senior leaders in property, construction, planning and the Park Royal business…
Financial Health
StableStable · Hiring · 13% CAGR over 2y
Location
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Computed from 5 filingsProvides creative agency services including audience research, brand strategy and content planning, and produces multimedia campaigns, digital platforms and educational resources. Focuses on engaging…
Serves brands, businesses and organisations seeking to reach children, young people and families, especially purpose-led consumer brands, NGOs and partners focused on education, sustainability, play…
Financial Health
StrongStrong · Hiring · 12% CAGR over 4y
Location
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Computed from 5 filingsOperates casual dining restaurants specialising in seafood boil dishes. Serves crab, shrimp and other seafood prepared to order with house-made sauces, combining Sri Lankan and Louisiana flavours,…
Serves consumers seeking seafood boil dining, including restaurant guests, takeaway and online order customers, families, couples and groups in London and Surrey locations.
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
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Computed from 3 filingsDevelops and invests in property across residential, retail, industrial and commercial sectors. Acquires land and existing assets, secures planning or repurposes sites, and delivers housing and…
Serves residential homebuyers, prime property buyers in Greater London, commercial occupiers in retail and industrial sectors, and landowners with strategic land opportunities.
Financial Health
StableStable · 0% CAGR over 2y
Location
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Computed from 5 filingsPlans and manages brand experience projects and events, including immersive events and brand activations. Provides concept development, creative design, production, and on-site delivery services for…
Serves businesses and global brands, particularly marketing, events and internal communications teams aiming to engage customers, employees or partners through brand experiences and activations.
Financial Health
StableStable · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides estate agency services for residential and commercial property, including sales, lettings, and property management. Also offers block management, property valuations, landlord and tenant…
Serves homeowners, buyers, tenants, landlords, property investors and commercial occupiers seeking residential and commercial property support in East London and West Essex.
Financial Health
StrongStrong · Hiring · 100% CAGR over 4y
Location
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Computed from 5 filingsOperates a chain of halal fast‑food restaurants serving burgers, including flame‑grilled and smash burgers, along with desserts and kids’ meals. Provides in‑store and online ordering and offers…
Serves UK consumers seeking halal fast food, including burger customers, breakfast diners, dessert buyers, online order customers, and families looking for kids’ meal options.
Financial Health
StrongStrong · Hiring · 97% CAGR over 5y
Location
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Computed from 5 filingsOperates restaurants and a teahouse serving Italian cuisine, alongside a garden plant nursery, deli and retail shop selling home, garden and lifestyle goods. Also provides seasonal container planting…
Targets London consumers, home gardeners, gift and lifestyle shoppers, restaurant diners, and individuals or organisations planning weddings, private events and venue hire.
Financial Health
StrongStrong · Hiring · 10% CAGR over 4y
Location
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Computed from 5 filingsOrganises and produces business conferences and executive events, including the MarTech Summit and CXO Innovation Summit. Provides event production, research-led content, marketing and logistics, and…
Serves B2B audiences: senior executives, marketing technology, data and innovation leaders, and corporate sponsors seeking access to closed-door international business summits and bespoke executive…
Financial Health
HealthyHealthy · -12% CAGR over 4y
Location
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Computed from 5 filingsProvides cosmetic and plastic surgery procedures and non‑surgical aesthetic treatments. Services include breast augmentation and reduction, liposuction, tummy tucks, rhinoplasty, facelifts, eyelid…
Serves private individuals seeking cosmetic, aesthetic, hair transplant and gender-affirming procedures, including UK-based and international patients considering treatment at a London clinic.
Financial Health
HealthyHealthy · -71% CAGR over 4y
Location
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Computed from 3 filingsProvides large-format printing and graphics production, including fine art prints, vinyl graphics, signage, wallpaper, and direct-to-media printing. Also offers CNC cutting, mounting, finishing,…
Serves B2B and cultural-sector clients: galleries, museums, artists, institutions, major corporates, event organisers and high-end fashion retailers, with projects across the UK and internationally.
Financial Health
HealthyHealthy · -11% CAGR over 2y
Location
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Computed from 5 filingsOperates a group of traditional pubs offering alcoholic drinks, food menus, live music, sports screenings and events. Some venues include beer gardens and boutique guesthouse accommodation alongside…
Serves individual consumers and groups visiting pubs in London and beyond, including local residents, diners, drinkers, sports fans, live music audiences, event-goers and boutique guesthouse guests.
Financial Health
StrongStrong · Growing, Hiring · 5% CAGR over 4y
Location
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Computed from 5 filingsOperates a fashion showroom representing international designer brands. Presents womenswear and menswear collections and manages wholesale sales and brand representation for labels including Isabel…
Serves fashion retailers, department stores and wholesale buyers in Eastern Europe and the Middle East focused on designer womenswear and menswear collections.
Financial Health
HealthyHealthy · -6% CAGR over 5y
Location
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Computed from 5 filingsPublishes a Turkish-language newspaper and website featuring news, community information, and lifestyle content, and sells classified advertising space to businesses and individuals for print and…
Serves businesses, individuals, agencies and media buyers seeking to reach Turkish-speaking newspaper readers in London and UK Turkish/Cypriot communities.
Financial Health
StrongStrong · Hiring · 14% CAGR over 4y
Location
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Computed from 5 filingsOrganises children's holiday camps and school-based clubs offering sports, games, swimming and inflatable activities for ages 4–14. Also runs breakfast and after-school childcare programmes and…
Serves parents and carers of children aged 4–14 seeking school-holiday childcare, plus London schools and community organisations needing breakfast, after-school or activity programmes.
Financial Health
StrongStrong · Growing, Hiring · 15% CAGR over 5y
Location
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Computed from 5 filingsOperates skincare and wellness clinics offering dermatology and aesthetic treatments including facials, laser and microneedling procedures, injectables, body contouring, IV therapy, blood testing,…
Serves private consumers seeking premium skin, aesthetic, dermatology, wellbeing, nutrition and fitness support, particularly adults addressing ageing, acne, pigmentation, menopause, weight, hair…
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
Location
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Computed from 5 filingsOperates a digital out-of-home advertising network in takeaway chicken shops, installing and managing in-store screens and selling advertising placements to brands seeking to reach customers through…
Targets brands, media agencies and advertisers whose campaigns need access to diverse urban consumer audiences, including harder-to-reach community segments.
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
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Computed from 5 filingsProvides short-let and Airbnb property management services for property owners, including listing creation and marketing, dynamic pricing, guest communication, booking management, cleaning…
Targets private property owners, landlords and holiday-let investors in the UK and Costa del Sol who want professional support for Airbnb and short-let rentals; also serves travellers booking managed…
Financial Health
HealthyHealthy · -9% CAGR over 5y
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Computed from 5 filingsProvides interior design services for private homeowners and property developers, including the design and furnishing of residential interiors, show apartments and marketing suites for new‑build…
Serves a mix of private residential clients and property developers, including new-build developers with buyer-facing show apartments and marketing suites.
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 4y
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Computed from 5 filingsProvides online independent financial advice to individuals, offering consultations with regulated advisers on investment planning, pensions, insurance protection, mortgages and inheritance tax. Also…
Serves UK residents and individual consumers seeking online independent financial advice on personal wealth, investments, pensions, mortgages, protection and inheritance tax planning.
Financial Health
StableStable · Hiring · 46% CAGR over 4y
Location
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Computed from 3 filingsProvides brand and business consulting services combining strategy and creative work, including brand development, marketing strategy, design, copywriting and brand experience creation for…
Serves businesses and brand owners, from large global brands to dynamic start-ups, primarily business, brand and marketing teams with international operations or ambitions.
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
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Computed from 3 filingsProvides trade and shopper marketing services for brands, including campaign strategy, sales promotions, retail point‑of‑sale programmes, digital marketing, brand activations and event management,…
Serves consumer brands selling through retail, online and trade channels, especially FMCG, drinks, hospitality and lifestyle brands seeking shopper marketing and activation support.
Financial Health
StableStable · 0% CAGR over 2y
Location
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Computed from 4 filingsImports, exports and supplies frozen seafood and Japanese food ingredients through wholesale, retail and cash‑and‑carry channels. Offers products such as prawns, squid, fish fillets, sushi toppings,…
Serves B2B foodservice buyers including Japanese restaurants, sushi operators, fusion eateries and other restaurants, alongside retail home cooks seeking seafood and Japanese ingredients.
Financial Health
StrongStrong · Hiring · 50% CAGR over 4y
Location
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Computed from 5 filingsProvides media planning and media buying services for brands, developing advertising strategies, audience targeting and cross‑channel campaign plans. Uses data insights and performance measurement to…
Serves growth-focused brands and marketing teams, including organisations with commercial objectives that need media agency support, audience targeting and global campaign reach.
Financial Health
HealthyHealthy · Growing, Hiring · 2% CAGR over 5y
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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 filingsSupplies workplace furniture and interior products including desks, operator chairs, lounge seating, tables, storage units, screens, booths, and accessories. Also provides furniture solutions for…
Serves businesses buying workplace furniture, including offices and organisations fitting out welcome areas, open-plan workspaces, meeting rooms, training spaces, private offices, social spaces and…
Financial Health
HealthyHealthy · -7% CAGR over 4y
Location
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Computed from 5 filingsDesigns and produces live events and performances, including theatre productions, immersive experiences, brand activations, ceremonies, and sporting event presentations. Provides creative direction,…
Serves organisations commissioning live theatre, events, immersive projects, brand experiences, ceremonies and sports events.
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 4y
Location
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Computed from 5 filingsPlans and delivers corporate events and experiences including conferences, leadership retreats, incentive travel and hybrid broadcasts. Provides creative strategy, event production, event management…
Serves B2B corporate clients and consumer brands, including large enterprises in recruitment, tech, legal, care, FMCG and petcare, targeting teams responsible for conferences, retreats, incentive…
Financial Health
StrongStrong · Growing, Hiring · 50% CAGR over 4y
Location
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Computed from 3 filingsProvides event management and production services, including audio‑visual production, exhibition and display design, broadcast and hybrid event delivery, logistics coordination, and design and print…
Serves B2B marketing, brand and events teams at organisations running conferences, exhibitions, investigator meetings and hybrid events, with visible experience in healthcare and pharmaceutical…
Financial Health
HealthyHealthy · Profitable, Hiring · 41% CAGR over 2y
Location
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Computed from 5 filingsProvides interior design services for residential and commercial projects including private homes, hotels, retail spaces and workplaces. Offers design consultation and develops bespoke interiors,…
Serves private homeowners and commercial clients, including hotels, retailers, workspace providers, leisure venues and residential developers.
Financial Health
StrongStrong · Growing, Hiring · 41% CAGR over 4y
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Computed from 4 filingsDevelops and delivers the Read Write Inc. literacy programmes for schools. Provides training, consultancy, and assessment tools to help teachers deliver phonics, reading, and writing instruction,…
Serves schools, multi-academy trusts, SEND settings and international schools seeking structured literacy programmes and training for pupils learning to read and write.
Financial Health
StrongStrong · Profitable, Growing, Hiring · 18% CAGR over 3y
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Computed from 5 filingsProvides B2B marketing consultancy services, helping organisations improve marketing strategy, operations and performance. Advises on go‑to‑market strategy, agile marketing practices, operating…
Serves senior marketing leaders and B2B marketing teams in complex global organisations and scaling firms, especially in industrials, events and publishing, financial services, fintech, technology…
Financial Health
StrongStrong
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Computed from 5 filingsOperates a multi‑hotel leisure resort comprising four hotels with accommodation, restaurants and bars, spa, gym and swimming pools. Provides holiday breaks, family entertainment, event and wedding…
Serves leisure travellers, families, couples and special-interest groups visiting Torquay, plus local leisure/spa members and organisers of weddings, private functions, conferences and Christmas…
Financial Health
StrongStrong
Location
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Computed from 5 filingsProvides branding, design and marketing services for property developments and other businesses. Works with clients to develop brand identities, creative assets and integrated marketing campaigns to…
Serves B2B clients needing branding and marketing, with a strong focus on property developers, regeneration projects and real estate ventures, alongside brands across other sectors seeking creative…
Financial Health
HealthyHealthy · -6% CAGR over 4y
Location
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Computed from 5 filingsProvides property investment and business training through courses, bootcamps, conferences and online resources. Offers mentorship, educational materials and events covering buy‑to‑let, serviced…
Serves aspiring and existing UK property entrepreneurs, investors and developers seeking training, mentorship and events on buy-to-let, serviced accommodation, deal packaging and commercial…
Financial Health
StrongStrong
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Computed from 3 filingsProvides beauty and aesthetic treatments including facials, microneedling, laser hair removal, skin rejuvenation, injectable treatments, massages, body contouring, hairdressing, nail care, and brow…
Sells directly to consumers seeking premium beauty, hair, nail and aesthetic treatments, including clients with skincare, body contouring, hair loss and anti-ageing concerns. Serves local salon and…
Financial Health
HealthyHealthy · Hiring · 17% CAGR over 4y
Location
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Computed from 5 filingsProvides plastic, reconstructive and aesthetic surgery services, including breast augmentation and reduction, liposuction, tummy tuck, eyelid surgery, fat transfer, labiaplasty, and gender‑affirming…
Serves private patients seeking cosmetic, reconstructive and aesthetic surgery, including women, men and transgender patients considering breast, body, face or gender-affirming procedures in London.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
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Key facts
About 5% of the trading cohort reports turnover above £5M (17 of 340 firms) — the rest sits below that revenue band.
7% of the cohort was incorporated since 2022 (24 firms), so a sizeable share is in its first few filing cycles.
100.0% (340) of the London image-compression cohort also runs a mainstream content-management platform, tying adoption to plug-in-managed public websites rather than bespoke image pipelines.
The main co-detected SEO plug-in appears on 59.7% (203), while analytics tooling appears on 53.5% (182), suggesting search and measurement work often sits near site-performance budgets.
Network security and delivery tooling is detected on 35.0% (119), so only a minority pair image compression with traffic-routing or edge-layer controls.
Sector tags skew towards service and content-heavy categories: Field Services & Trades 9.7% (33), Healthcare Provider 8.8% (30), Education & Training 8.2% (28), Marketing Agency 7.6% (26), and Real Estate & Property 7.1% (24).
Financial-health classifications are mixed, with 27.6% (94) stable, 15.6% (53) weak and 10.0% (34) distressed.
What else do Smush users run?
Share of the 340 Smush-running UK companies where each technology was also detected. As of June 2026.
Who runs Smush 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.
5
Median headcount
£501.7K
Median UK turnover
5%
Above £5M turnover
24
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 612 companies, alongside financials and websites, in one Excel + CSV file.
How Smush 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.
Smush is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
Smush elsewhere
Frequently asked questions
How many companies in London use Smush?
How is Smush usage detected?
What kinds of companies use Smush in London?
What do Smush users in London also run?
How fresh is this data?
Can I get contact details for these companies?
Buy all 612 companies as a spreadsheet.
One Excel/CSV file with company details, websites and key data — yours to download and use.