Companies Using Oxygen in London: 132 Active Firms (2026)
Companies running this website technology use it to support public digital experiences, with this cohort based across London boroughs.
Public-site teams usually adopt Oxygen where the website has to do more than carry brochure copy. It is a website build layer used to manage page structure, presentation and conversion paths on a content-managed estate, often sitting between marketing, web operations and an external agency. Running Oxygen tends to signal an organisation with an owned digital channel, some appetite for custom front-end control, and a need to keep customer acquisition, service delivery or corporate communications under regular review. The likely buyers are smaller specialist operators and mid-market firms rather than pure enterprise technology teams.
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London has a compact adoption base: 132 companies running Oxygen are actively trading in the capital. Reported employment across these adopters totals 1,382 people, giving the group more substance than a purely micro-business website sample while still leaving plenty of small operators in the mix. The commercial profile is consistent with the public-web use case in the buying notes: firms with visible revenue, customer-facing services and enough operational maturity to maintain a detectable stack across their public sites, rather than dormant entities or hobby projects.
Public-facing Oxygen deployments sit close to privacy, consent and procurement decisions because the site is usually part of acquisition or service delivery. Analytics tooling is also detected at 56.1% of adopters, while consent-management tooling appears at 25%, so ICO guidance and UK GDPR obligations are relevant where behavioural tracking, form capture or account journeys are used. Procurement is likely to be mixed: some decisions sit with internal marketing or operations teams, while build, maintenance and security patching may be handled by retained web agencies.
Adoption appears tied to organisations that want more control over public-site design without moving the whole web estate into a larger enterprise platform. Migration pressure tends to come from redesign cycles, site speed work, agency changes and compliance housekeeping, rather than from technology strategy alone. The supplier environment may keep consolidating around broader content, hosting, consent and analytics bundles, which could make standalone build-layer choices more dependent on agency preference. Smaller firms are likely to weigh the benefit of custom presentation against maintenance burden, especially where internal web capability is thin.
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 Oxygen rises with company size across the trading companies in this cohort. 0% of the 532,485 companies with under 10 employees run Oxygen (94 detected). 0.2% of the 15,364 companies with 10–50 employees run Oxygen (34 detected). 0.2% of the 1,763 companies with over 50 employees run Oxygen (3 detected). That is a 0.2% gap between the over 50 employees and under 10 employees bands.
132
Active firms
2026
9
Above £5M turnover
Trading firms
5
Median headcount
Filed accounts
246
Verified directors
Across this cohort
Top companies using Oxygen 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.
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Computed from 5 filingsProvides smart thermostat and sensor technology with data analytics software for social housing providers. Monitors temperature, humidity, ventilation and energy use to detect mould risk, support…
Serves social housing providers and social landlords, including housing associations and local authority housing teams responsible for rented homes, resident welfare, compliance, retrofit funding and…
Financial Health
StrongStrong · Hiring · 30% CAGR over 5y
Location
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Computed from 2 filingsDevelops talent acquisition software and provides recruitment marketing services. Offers CRM systems, career site platforms, chatbots, analytics, programmatic advertising, recruitment event tools,…
Sells to enterprise talent acquisition and employer brand teams at large organisations hiring at scale, including healthcare systems and other major consumer and corporate brands.
Financial Health
WeakWeak · -13% CAGR over 1y
Location
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Computed from 2 filingsDevelops and provides an automated network assurance platform that discovers, models and analyses enterprise network infrastructure to create a digital twin, validate configurations, monitor security…
Serves large enterprises with complex, multi-vendor networks, targeting network operations, security, compliance and digital transformation teams responsible for critical infrastructure.
Financial Health
StrongStrong · -9% CAGR over 1y
Location
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Computed from 5 filingsOperates serviced apartments and short‑term rental houses for leisure, corporate and extended stays. Offers furnished accommodation across multiple neighbourhoods, with booking management and guest…
Serves leisure travellers, corporate guests, relocating professionals and extended-stay visitors seeking accommodation in central London neighbourhoods, including groups or organisations requiring…
Financial Health
HealthyHealthy · Hiring · 58% CAGR over 4y
Location
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Computed from 5 filingsPublishes a luxury lifestyle magazine and operates digital media platforms. Provides advertising, branded content, contract publishing and event services that promote luxury brands to high‑net‑worth…
Serves B2B luxury and premium brands seeking to reach high-net-worth and affluent consumers through media, digital, publishing and event channels.
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 4y
Location
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Computed from 5 filingsProvides online payment processing and billing services for internet businesses, including credit card processing, subscription and recurring billing management, checkout tools, and consumer account…
Targets online merchants and internet businesses, especially ecommerce stores, subscription services, dating platforms, adult content and live cam operators
Financial Health
StrongStrong · 22% CAGR over 2y
Location
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Computed from 5 filingsProvides education, training and support programmes for young people aged 16–25 with special educational needs and Education, Health and Care Plans. Delivers academic courses, employability skills…
Serves London local authorities and referred 16–25-year-olds with EHCPs or SEND, including young people facing communication, learning, social, emotional or mental health barriers to education.
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 4y
Location
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Computed from 5 filingsDevelops media data management and analytics software for advertisers and agencies. Provides a cloud‑based platform that aggregates global media spend data and supports media planning, campaign…
Serves global and multi-market advertisers, brand marketing and media teams, and their agencies managing complex media budgets, campaign data and reporting across countries and brands.
Financial Health
DistressedDistressed · -67% CAGR over 4y
Location
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Computed from 5 filingsProvides residential property sales and lettings services, marketing homes for sale or rent and assisting buyers, tenants, landlords and sellers. Also offers property management, landlord support,…
Serves private property buyers, sellers, tenants and landlords seeking residential sales, lettings and property management in London and the South East.
Financial Health
WeakWeak
Location
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Computed from 5 filingsSupplies temporary and permanent healthcare staff, including nurses and doctors, to NHS trusts and private hospitals. Operates a recruitment agency matching qualified clinicians with hospital roles…
Serves NHS Trusts and private hospitals across London and the UK that need temporary or permanent nurses, doctors and specialist clinical staff.
Financial Health
StableStable · -10% CAGR over 4y
Location
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Computed from 5 filingsProvides online and blended training courses leading to Chartered Institute of Personnel and Development (CIPD) qualifications in human resources and learning and development. Also delivers corporate…
Serves HR, people management, learning and development professionals seeking CIPD qualifications, plus employers needing HR, leadership and workplace training for staff across the UK, MENA and India.
Financial Health
StableStable · -33% CAGR over 4y
Location
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Computed from 3 filingsProvides short‑term bridging loans and property finance for individuals and businesses, including refurbishment loans, development finance, semi‑commercial bridging, and refinancing. Also offers…
Sells to businesses and individual borrowers seeking short-term property finance, particularly property investors, developers, renovators and owners of semi-commercial assets needing fast funding,…
Financial Health
WeakWeak · 0% CAGR over 2y
Location
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Operates a professional rugby union club, organising men’s and women’s teams competing in domestic competitions. Manages match fixtures, ticket sales, hospitality and stadium events, and provides…
Targets rugby supporters and families, youth players, schools and community groups, plus businesses buying hospitality, sponsorship or partnerships around men’s and women’s professional rugby in…
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Computed from 2 filingsProvides catering services including freshly prepared breakfast, lunch and snack packs, buffet catering, and delivery for corporate events and group bookings. Also arranges restaurant reservations…
Serves corporate event organisers, office managers, training teams, tour operators and group travel organisers arranging meals for groups of 10+ in and around London.
Financial Health
StrongStrong · Growing · 0% CAGR over 1y
Location
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Computed from 3 filingsProvides corporate finance advisory, corporate broking, and research services focused on small‑cap and growth companies. Assists businesses with fundraising, connecting with investors, and preparing…
Serves ambitious SMEs and UK small-cap or mid-cap companies, including AIM and AQSE-listed or listing businesses, seeking engagement with growth capital investors and public market support.
Financial Health
WeakWeak · -13% CAGR over 2y
Location
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Computed from 3 filingsProvides managed IT services including remote and on-site technical support, cybersecurity protection, cloud infrastructure and remote working solutions, VoIP telephony, internet connectivity, and IT…
Targets businesses and organisations in entertainment and production, financial services, legal services and education, including teams based in the UK and US.
Financial Health
StableStable · -88% CAGR over 2y
Location
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Computed from 5 filingsProvides office relocation and furniture services for businesses, including office removals, disassembly and reassembly of furniture, workplace furniture installation, secure storage of office…
Serves businesses relocating, refitting or clearing office premises, particularly companies needing office removals, furniture installation, storage and space planning. Targets workplace and…
Financial Health
WeakWeak · Hiring · 19% CAGR over 4y
Location
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Computed from 4 filingsDevelops cloud-based software that uses AI to analyse genomic and medical imaging data. Provides a platform for clinicians, laboratories and biopharma companies to interpret data, support diagnosis…
Serves healthcare providers and BioPharma companies, including oncologists, radiologists, pathologists, geneticists, lab technicians and bioinformaticians working in cancer, rare disease and…
Financial Health
HealthyHealthy · Hiring · 15% CAGR over 5y
Location
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Computed from 5 filingsDevelops and provides cloud-based digital shelf analytics software for consumer brands and retailers. The platform monitors product listings, pricing, availability, promotions, ratings and reviews…
Sells B2B to consumer packaged goods brands and ecommerce, category, retail media and sales teams managing products across major online retailers and marketplaces in multiple countries.
Financial Health
StableStable · -62% CAGR over 5y
Location
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Computed from 4 filingsDevelops artificial intelligence and data analytics tools for sports organisations, providing performance analysis, proprietary datasets and models that evaluate player quality, competitiveness and…
Serves B2B customers across the sports industry, including teams, leagues, elite coaches, governing bodies, broadcasters and media rights stakeholders seeking data-led sporting and commercial…
Financial Health
StableStable · Hiring · 38% CAGR over 3y
Location
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Computed from 2 filingsProvides fine wine investment advisory and portfolio management for collectors, alongside retail sale and sourcing of premium wines through an online shop. Also organises wine tasting events,…
Serves a mix of B2C and B2B customers: fine wine investors and collectors, retail wine buyers, hospitality operators, and businesses or private clients arranging tastings, events and corporate gifts.
Financial Health
StableStable · 8% CAGR over 1y
Location
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Imports and distributes Mediterranean and Middle Eastern food products and beverages to retail, wholesale and catering sectors. Product range includes olives, olive oil, feta and halloumi cheeses,…
Serves a mix of B2B and B2C customers, including retailers, wholesalers, catering businesses and individual consumers seeking Mediterranean, Middle Eastern, Greek and Cypriot food and drink products.
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Produces unscripted television programmes and documentaries, including factual and entertainment series, for broadcasters and streaming platforms. Develops and delivers original content such as…
Serves TV broadcasters and streaming platforms, including public-service and commercial channels, seeking unscripted factual and entertainment programming.
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Computed from 3 filingsProvides building services including mechanical and electrical installation, public health systems, design, project management, and maintenance for construction and fit‑out projects in commercial,…
Sells to business clients in office fit-out, hospitality and residential construction, including developers, owners, architects, designers, pre-construction teams, project managers and TSMs needing…
Financial Health
StrongStrong · Growing, Hiring · 145% CAGR over 2y
Location
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Computed from 5 filingsProvides healthcare staffing and recruitment services, supplying nurses, doctors and specialist clinical staff to NHS trusts and private hospitals. Sources, registers and places qualified medical…
Serves NHS Trusts, private hospitals and other healthcare providers across London and the UK that need nursing and medical staff, while also targeting qualified nurses and doctors seeking flexible…
Financial Health
StrongStrong
Location
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Computed from 5 filingsDevelops and implements applied artificial intelligence and data analytics solutions for businesses, including automated compliance checks, demand and sales forecasting, location analytics, and…
Serves businesses and public-sector buyers, with stated sector focus on retail and hospitality chains, airlines, manufacturers, telecoms, finance, care and creative organisations.
Financial Health
DistressedDistressed · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides global IP communications via satellite and terrestrial networks, delivering internet, voice and video connectivity. Operates teleport facilities and supplies network infrastructure, data…
Serves governments, public sector bodies, enterprises, banks, diplomatic missions, NGOs, security and defence organisations, oil and gas/energy operators, and telecoms/ISP customers.
Financial Health
StableStable · Hiring · 25% CAGR over 5y
Location
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Computed from 5 filingsProvides algorithmic trading software and analytics for financial markets, including best‑execution algorithms, liquidity capture strategies, and transaction cost analysis tools used to monitor and…
Serves institutional financial-market participants, including trading desks, asset managers and firms executing orders across global electronic exchanges and asset classes.
Financial Health
StrongStrong · Growing, Hiring · 3% CAGR over 4y
Location
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Computed from 5 filingsDevelops strategic roadmapping and data visualisation software that helps organisations plan and manage portfolios, projects, risks and innovation initiatives. The platform integrates qualitative and…
Sells to B2B and public sector organisations managing strategy, portfolios, risk, and innovation, including enterprise leadership, PMO, project, risk, and transformation teams in large, complex…
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 4y
Location
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Computed from 3 filingsProvides accountancy services including audit and assurance, tax advice, outsourced accounting, and financial regulatory support. Works with hedge fund managers, private equity and venture capital…
Serves B2B clients, especially hedge fund, private equity and venture capital managers and funds, FCA-regulated firms needing CASS audits, and businesses in restaurants, catering, software and…
Financial Health
StrongStrong · Growing, Hiring · 94% CAGR over 2y
Location
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Computed from 5 filingsProvides skills assessment, training and recruitment services to help organisations fill technology and digital roles. Identifies candidate aptitude, delivers training in areas such as cyber, data…
Sells to employers needing digital and technology talent, including large organisations in defence, government, education and enterprise IT, and to jobseekers seeking tech careers, especially…
Financial Health
StrongStrong
Location
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Computed from 5 filingsProvides brokerage and advisory services for trade credit insurance, helping businesses insure receivables against customer non‑payment. Offers credit risk analysis, policy placement with insurers,…
Serves B2B companies that sell on credit, including finance directors, credit managers and exporters seeking to manage debtor risk across UK and international markets.
Financial Health
StrongStrong · Hiring · 37% CAGR over 4y
Location
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Computed from 5 filingsProvides residential building and renovation services including house extensions, loft conversions, new builds, kitchen and bathroom installations, conservatories, driveways, and general home…
Serves homeowners and residential property owners in North London, including Enfield, Barnet, Camden and Hackney, seeking home improvement and renovation projects.
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
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Computed from 5 filingsDesigns and sells baby and nursery products including cots, cot beds, mattresses, nursery furniture, nursing chairs, pushchairs, travel systems and child car seats, offered individually and as…
Sells to UK consumers, primarily expectant and new parents furnishing nurseries and buying baby travel products such as cots, mattresses, nursery furniture, pushchairs and car seats.
Financial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
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Computed from 5 filingsProvides executive search and management consulting services, recruiting board directors, senior executives and non‑executive leaders, and advising organisations on leadership, organisational issues…
Serves B2B corporate clients, boards and senior leadership teams seeking senior, board-level and non-executive appointments or advice on sensitive management issues across local, regional and…
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides environmental, social and governance (ESG) advisory services for investors and financial institutions. Conducts environmental and social risk assessments, impact and governance advisory,…
Serves development finance institutions, commercial banks and private equity organisations investing globally, especially in emerging markets, across sectors such as infrastructure, energy,…
Financial Health
HealthyHealthy · Hiring · 22% CAGR over 4y
Location
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Computed from 4 filingsProvides residential estate agency services including property sales, lettings, rental management, and market valuations. Markets houses and flats for sale or rent and supports buyers, sellers,…
Serves residential property sellers, landlords, homebuyers and tenants in the SM, KT and SW postcode areas, including vendors seeking valuations and landlords letting properties.
Financial Health
HealthyHealthy · Hiring · 103% CAGR over 3y
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Computed from 5 filingsDevelops and sells software for data analysis, risk modelling, and research management. Products support qualitative and statistical analysis, forecasting, decision modelling, and experiential…
Sells to enterprises, universities, government agencies and research teams across aerospace, engineering, energy, financial services, healthcare, manufacturing, pharmaceuticals, logistics and…
Financial Health
HealthyHealthy · Hiring · 21% CAGR over 6y
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Computed from 3 filingsProvides civil and structural engineering services for infrastructure projects, including design and BIM modelling, digital construction support, traffic and transport planning, commercial advisory,…
Serves public and private infrastructure clients, including transport authorities, construction contractors, asset owners and developers in airport, bridge, rail, road, tunnel, marine, mining and…
Financial Health
StableStable · Hiring · 73% CAGR over 2y
Location
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Computed from 3 filingsProvides sports and entertainment marketing services including sponsorship strategy, athlete talent representation, brand partnership development, and production of marketing content and campaigns…
Serves ambitious brands, sports rights holders and top athletes seeking international sports and entertainment marketing partnerships, sponsorships and representation.
Financial Health
HealthyHealthy · Hiring · 15% CAGR over 2y
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Computed from 5 filingsOrganises luxury train journeys and tailor‑made private tours worldwide, including Trans‑Siberian rail trips and travel across China, Mongolia, and Latin America. Offers curated rail itineraries and…
Serves leisure travellers seeking private, tailor-made and luxury rail holidays across Russia, Mongolia, China, Latin America, Europe, Africa, India and the Americas.
Financial Health
WeakWeak · -7% CAGR over 4y
Location
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Provides testing and certification services for digital television products and services. Conducts interoperability, performance and compliance testing for receivers, apps and platforms, supporting…
Serves digital TV device manufacturers, platform operators, broadcasters/service providers, and other UK and international TV ecosystem stakeholders, including government and regulators needing…
Financial Health
N/AN/A
Location
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Computed from 5 filingsProvides participant recruitment services for market research studies. Recruits and manages individuals for qualitative and quantitative research projects, connecting researchers with suitable…
Serves B2B market researchers, insight teams and agencies needing recruited participants for qualitative and quantitative research, with a UK participant community also addressed for paid research…
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides international tax advisory, accountancy and tax compliance services for corporations, entrepreneurs and private clients. Advises on wealth structuring, corporate and fiduciary services,…
Serves corporations, entrepreneurs, start-ups, family offices and private clients with international tax, corporate, fiduciary, wealth structuring and inheritance planning needs.
Financial Health
StableStable
Location
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Computed from 4 filingsProvides vehicle repair and maintenance services including MOT testing, engine and gearbox repairs, brakes, suspension, air conditioning servicing, ADAS calibration, wheel alignment, bodywork…
Serves private motorists, van owners, and fleet or lease vehicle operators in Croydon, Purley Way and London, including both individual consumers and local business vehicle users.
Financial Health
WeakWeak · -24% CAGR over 3y
Location
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Computed from 4 filingsProvides international property investment services, sourcing buy-to-let residential developments and advising investors on acquisitions. Offers market research, mortgage guidance, and post‑purchase…
Targets international investors seeking buy-to-let property investments and portfolio diversification, including clients interested in UK, German, Portuguese and UAE real estate markets.
Financial Health
StableStable · -64% CAGR over 4y
Location
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Computed from 5 filingsCreates advertising and marketing campaigns for the video games industry. Produces creative content, promotional videos, and digital campaign assets for game publishers, developers, and related…
Serves B2B marketing and brand teams at video game publishers, game developers and gaming-sector brands with global campaign needs.
Financial Health
StableStable · Hiring · 19% CAGR over 4y
Location
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Computed from 5 filingsProvides digital marketing services specialising in search engine optimisation (SEO) and pay‑per‑click (PPC) advertising. Analyses marketing and website data, manages ad campaigns, conducts A/B…
Serves B2B and B2C brands with ecommerce stores and lead-generation websites, particularly marketing and sales teams seeking PPC and SEO support across sectors such as insurance and ecommerce.
Financial Health
HealthyHealthy · Growing, Hiring · 6% CAGR over 4y
Location
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Computed from 5 filingsProvides international tax advisory, wealth structuring, and corporate and fiduciary services. Offers accountancy, tax compliance, trust and inheritance tax planning, and business advisory support…
Serves corporations, entrepreneurs, start-ups, family offices and private clients with international tax, wealth structuring, corporate and fiduciary advisory needs.
Financial Health
StrongStrong · Hiring · 12% CAGR over 4y
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Key facts
About 6% of the trading cohort reports turnover above £5M (9 of 132 firms) — the rest sits below that revenue band.
5% of the cohort was incorporated since 2022 (7 firms), so a sizeable share is in its first few filing cycles.
Content-management software is detected alongside this website technology across 100.0% (132) of the London cohort.
Analytics tooling appears on 56.1% (74), while tag-management scripts appear on 41.7% (55).
SEO plugins are detected on 38.6% (51), traffic-proxy or security services on 31.8% (42), bot checks on 29.5% (39) and consent tooling on 25.0% (33).
Real Estate & Property is the largest tagged sector at 12.1% (16), followed by Accounting & Audit and Construction at 9.8% (13) each.
Financial-health classifications are mixed: 24.2% (32) are stable, 14.4% (19) weak and 11.4% (15) distressed.
What else do Oxygen users run?
Share of the 132 Oxygen-running UK companies where each technology was also detected. As of June 2026.
Who runs Oxygen 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
£442.1K
Median UK turnover
6.8%
Above £5M turnover
7
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 210 companies, alongside financials and websites, in one Excel + CSV file.
How Oxygen 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.
Oxygen is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
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Frequently asked questions
How many companies in London use Oxygen?
How is Oxygen usage detected?
What kinds of companies use Oxygen in London?
What do Oxygen users in London also run?
How fresh is this data?
Can I get contact details for these companies?
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