B2B Companies Using Otter Blocks in the UK: 154 Active Firms (2026)
B2B organisations using block-based website tooling assemble modular public-site content for sales, support and lead generation in the UK.
The adoption signal is less about product engineering and more about marketing operations: enough budget to maintain a modular site, a person or small agency handling pages, and a direct-channel habit around enquiry forms, help content and gated material. In this B2B slice, the relevant buyers tend to be owner-managed suppliers, mid-market service firms and operational trade specialists rather than consumer publishers. Engagements are usually modest website builds or retained support arrangements, with the tooling giving sales and support teams a way to update service pages, landing pages and FAQs without rebuilding the site each time.
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The UK adoption picture is narrow: 154 active trading companies in this B2B cohort run the block-based tooling, with reported headcount of 1,755 across the cohort. Within the sector’s plug-in ranking, the system sits ninth, at 1.5% of a 10,046-site benchmark. Registered locations tilt towards London at 15.6%, followed by East of England at 13.0%, North West at 11.7%, South East at 10.4% and East Midlands at 9.7%.
UK business-to-business selling is not a single licensed market; obligations follow the underlying activity, so a supplier in financial services, telecoms, professional services or data processing will face different rulebooks. For public-site tooling, the common thread is marketing and contact capture. The ICO treats PECR as covering direct marketing by live or automated calls, electronic mail and fax. Corporate-body emails and texts do not need PECR consent under the electronic-mail rule, but senders must identify themselves and give a valid opt-out route. UK GDPR still applies where named business contacts are processed, and live calling requires screening against CTPS and TPS where relevant.
Adoption appears tied to modest marketing-operation maturity rather than deep software engineering capacity. Firms running block-based site tooling tend to value controlled page creation, reusable content sections and lower dependence on developers for routine changes. Pressure is likely to come from privacy controls that make lead capture more accountable, alongside bundled site platforms that absorb design, analytics and form-handling features into fewer supplier relationships. Smaller adopters may keep using agency-managed builds, while larger mid-market users are more likely to standardise templates, governance and consent workflows across sales and support content.
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
Active director count is the full Companies House board, so it can be higher than the number of names listed — we leave out nominee and formation-agent directors, who aren’t worth contacting. It’s blank for the small number of companies whose officers we haven’t fetched yet.
You’re charged per business, not per row. Where a business trades through several registered companies you get every one, and the Group Primary column marks one row per business — filter to those and the count matches your invoice. Rows sharing a website are not automatically one business: franchises and multi-site operators each count separately, and where names don’t prove a relationship we count them apart rather than guess.
Adoption by company size
Adoption of Otter Blocks varies by company size across the trading UK B2B companies in this cohort. 0.1% of the 76,784 companies with under 10 employees run Otter Blocks (95 detected). 0.2% of the 31,788 companies with 10–50 employees run Otter Blocks (51 detected). 0.1% of the 3,773 companies with over 50 employees run Otter Blocks (4 detected).
154
Active firms
2026
1.5%
Of detected WordPress plugins share
UK B2B
7
Median headcount
Filed accounts
350
Verified directors
Across this cohort
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Key facts
About 8% of the trading cohort reports turnover above £5M (13 of 154 firms) — the rest sits below that revenue band.
9% of the cohort was incorporated since 2022 (15 firms), so a sizeable share is in its first few filing cycles.
Within B2B organisations with a detectable plugin system, this block-based site tool appears on 1.5% (154), against a denominator of 10,046 companies with a detectable system.
The cohort is weighted towards site-based and physical-operations markets: Advanced Manufacturing accounts for 19.5% (30), Construction 18.2% (28) and Field Services & Trades 16.9% (26).
London has the largest registered-region share at 15.6% (24), followed by the East of England at 13.0% (20) and the North West at 11.7% (18).
The stack appears alongside measurement and bot-checking tools on many public sites: 45.5% (70) also run analytics software and 40.9% (63) also run bot-checking.
ICO guidance says B2B emails or texts to corporate bodies do not need PECR consent, but senders must identify themselves, provide a valid opt-out address and comply with UK GDPR where business-contact personal data is processed.
Page builders market share among UK B2B
Share of the 10,046 UK B2B with a detectable system. As of June 2026.
What else do Otter Blocks-running B2B run?
Share of the 154 Otter Blocks-running UK companies where each technology was also detected. As of June 2026.
Where Otter Blocks B2B are, and how healthy they look
By region
By registered-office region; companies without a regional match count toward Rest of UK.
By financial health
From filed accounts; firms with fewer than two filings show as insufficient history.
7
Median headcount
£654.9K
Median UK turnover
8.4%
Above £5M turnover
15
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 237 businesses, alongside financials and websites, in one Excel + CSV file.
Top UK B2B using Otter Blocks
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 filingsDevelops cloud-based workforce management software for healthcare providers, including e‑rostering, job planning and locum bank management. Platform enables staff scheduling, shift management, mobile…
Sells to NHS trusts and healthcare organisations, including workforce, rostering and clinical operations teams managing hospital departments, staff banks and locum workforces.
Financial Health
StrongStrong · Hiring · 32% CAGR over 4y
Location
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Computed from 5 filingsProvides Microsoft‑focused workplace software and services, including workspace and desk booking, visitor management, occupancy analytics, digital signage, and Microsoft Teams Rooms tools, alongside…
Serves Microsoft-centric enterprises, targeting IT, facilities/workplace, learning and operations teams adopting Microsoft 365, Teams, SharePoint and Azure across corporate, public-sector and…
Financial Health
DistressedDistressed · -5% CAGR over 4y
Location
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Computed from 5 filingsSupplies wholesale packaging materials, offering a catalogue of over 1,000 products including boxes, bags and related packing supplies. Accepts orders via website, email, phone and messaging, and…
Sells to UK businesses and commercial buyers needing wholesale packaging supplies, with an emphasis on commercial addresses in London and orders dispatched nationwide.
Financial Health
StrongStrong · Hiring · 11% CAGR over 4y
Location
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Computed from 5 filingsProvides business and technology consulting focused on Microsoft Dynamics 365 and Power Platform. Designs and implements CRM systems, cloud business applications, and workflow automation, with…
Serves UK businesses of all sizes, particularly teams responsible for sales, marketing, customer service and field service operations seeking Microsoft Dynamics 365 and business application support.
Financial Health
HealthyHealthy · Hiring · 14% CAGR over 4y
Location
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Computed from 5 filingsProvides managed IT support and technology services for businesses, including network installation, cloud services, cybersecurity, data backup and disaster recovery. Also develops bespoke software,…
Serves small and mid-sized businesses needing outsourced IT, networking, telecoms, web, cloud and software support, including organisations seeking bespoke CRM, payroll or operational systems.
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
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Computed from 5 filingsDesigns and manufactures high‑voltage interconnect systems including X‑ray cable assemblies, receptacles and core cables. Provides resin casting, encapsulation and potting of electrical components,…
Serves B2B customers and global OEMs in medical, industrial, scientific research, aerospace, automotive, oil and gas, renewable energy, security and defence markets.
Financial Health
StableStable · -69% CAGR over 4y
Location
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Computed from 4 filingsProvides IT infrastructure and managed technology services for the hospitality sector, including hotel Wi‑Fi and network installation, telephony systems, IPTV and casting, remote device monitoring,…
Serves hotels and hospitality businesses, including IHG properties, with buyers such as hotel owners, operators, managers and IT teams responsible for front- and back-of-house technology.
Financial Health
HealthyHealthy · Hiring · 4% CAGR over 3y
Location
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Computed from 5 filingsDesigns, manufactures, and refurbishes aircraft interiors for commercial, executive, and special mission aircraft. Provides in‑house design, certification and testing, composite manufacturing, paint…
Sells to B2B aviation customers needing aircraft interior design, manufacture and refurbishment, including commercial airlines, executive and VIP aircraft operators, and special mission aircraft…
Financial Health
WeakWeak
Location
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Computed from 5 filingsProvides bespoke software development services, including custom web applications, mobile apps for iOS and Android, SaaS platforms, and business process automation. Also offers website development,…
Serves B2B clients from start-ups to established businesses across sectors including construction, education, manufacturing, healthcare, retail/ecommerce, hospitality, logistics, legal, insurance,…
Financial Health
StrongStrong · Hiring · 12% CAGR over 4y
Location
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Computed from 5 filingsOperates the Risk Leadership Network, a B2B information platform providing research, content, and professional networking for risk management and corporate risk leaders, including membership…
Serves B2B audiences connected to risk leadership, including risk management leaders and members of the Risk Leadership Network.
Financial Health
StrongStrong · Growing, Hiring · 26% CAGR over 4y
Location
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Computed from 3 filingsProvides IT consulting and software development services including product strategy validation, user experience innovation, data analytics and AI solutions, and product and platform engineering,…
Serves established enterprises and industry-leading brands with defined business goals, especially teams responsible for digital products, platforms, customer experience, data and AI initiatives.
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 2y
Location
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Computed from 4 filingsSupplies automotive electronics and safety equipment, including vehicle camera systems, DVR recorders, radar detection kits, monitors, lighting, sensors, relays, cables, and related accessories. Also…
Serves B2B customers in the automotive and commercial transport sectors, including fleet operators, transport managers, vehicle electronics installers and suppliers.
Financial Health
StrongStrong · Growing, Hiring · 36% CAGR over 3y
Location
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Computed from 5 filingsProvides managed IT services for businesses, including technical support, IT consultancy, cybersecurity management, cloud infrastructure and migration, hosted VoIP communications, network design and…
Serves UK businesses across multiple industries, including professional services such as accountancy and legal, as well as construction, food and agriculture, and travel firms.
Financial Health
HealthyHealthy · Growing, Hiring · 2% CAGR over 5y
Location
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Computed from 5 filingsProvides software consulting and development services focused on Microsoft technologies, including Microsoft 365, SharePoint, Teams and Power Platform. Delivers application development, data…
Sells to organisations using Microsoft technologies, including businesses across varied industries, for software consulting, staff augmentation, and digital projects. Targets teams adopting Microsoft…
Financial Health
HealthyHealthy · -3% CAGR over 4y
Location
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Computed from 3 filingsSupplies new and used moving floor and walking floor trailers, including utility and tipper trailers. Provides trailer parts and spares, maintenance, repairs, inspections, hire, and technical…
Serves B2B operators of moving and walking floor trailers, including haulage and trailer fleet businesses needing new or used trailers, parts and support in the UK.
Financial Health
StrongStrong · Growing · 0% CAGR over 2y
Location
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Computed from 5 filingsManufactures bespoke contract furniture for hospitality venues including hotels, bars, restaurants and cafés. Produces seating, armchairs, stools, sofas, banquette and bench seating, as well as table…
Serves B2B hospitality clients including hotels, bars, restaurants, nightclubs, cafés and coffee shops, as well as education and healthcare providers worldwide.
Financial Health
HealthyHealthy
Location
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Computed from 3 filingsManufactures ancillary equipment for the portable building industry, including gatehouse sentry boxes, smoking shelters, staircases, steps, ramps, platforms, and GRP products. Also provides site…
Serves B2B customers, mainly companies in the portable building industry, plus organisations in other sectors needing ancillary equipment, site service and repair support.
Financial Health
StrongStrong · Growing, Hiring · 10% CAGR over 2y
Location
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Computed from 5 filingsSupplies equipment and consumables for pharmaceutical, laboratory and life sciences manufacturing, including single-use assemblies, bioprocess bags, tubing, connectors, pumps, sensors and filtration…
Sells to pharmaceutical, laboratory, life sciences and biopharmaceutical organisations, including cell and gene therapy teams needing process, research and commercial production support.
Financial Health
StrongStrong · Hiring · 11% CAGR over 4y
Location
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Computed from 4 filingsSupplies lamps and lighting products to the electrical trade, including LED bulbs, fluorescent tubes, halogen lamps, metal halide and sodium lamps, starters, and luminaires, sold through a wholesale…
Serves B2B trade buyers in the electrical sector, selling to electrical wholesalers, contractors, installers and other commercial purchasers needing lamps, bulbs, luminaires and related electrical…
Financial Health
HealthyHealthy · Hiring · 6% CAGR over 3y
Location
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Computed from 5 filingsProvides enterprise IT hardware and network infrastructure services, including on‑site smart hands support, equipment installation and deployment, hardware maintenance, project management, and secure…
Sells to businesses with enterprise IT infrastructure, from international content caching and cloud providers to small businesses. Serves IT departments and remote engineering teams needing…
Financial Health
WeakWeak · Hiring · 6% CAGR over 4y
Location
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Computed from 5 filingsProvides technology consulting and implementation services supporting digital transformation. Services include technology advisory, cloud migration, automation and AI development, robotic process…
Serves B2B organisations globally, targeting leadership and management teams in businesses with complex teams, systems and processes undergoing digital transformation.
Financial Health
StableStable · -48% CAGR over 4y
Location
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Develops travel technology software for airlines, travel agencies, and travel management companies. Provides SaaS tools for flight sales, trip management, dynamic pricing, loyalty programmes, cargo…
Serves B2B customers in the travel sector, including travel agents, travel management companies, airlines, freight and cargo operators, jet operators/owners and travel marketing companies.
Financial Health
N/AN/A
Location
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Computed from 3 filingsProvides executive search and recruitment services for engineering, industrial and manufacturing sectors. Also offers research and advisory, interim staffing, HR outsourcing, payroll management, visa…
Serves B2B and public-sector clients in engineering, industrial and manufacturing, including owners/operators, EPCs, consultancies and government bodies across energy, power, renewables,…
Financial Health
StableStable · 0% CAGR over 2y
Location
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Supplies flooring materials and installation accessories to trade customers, including carpets, luxury vinyl tiles (LVT), laminate and vinyl flooring, underlays, adhesives, screeds, metal profiles,…
Serves trade account holders in the North East, including flooring contractors, local tradesmen, builders, plumbers, bathroom fitters, camper van converters, and businesses in public sector, leisure…
Financial Health
N/AN/A
Location
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Computed from 5 filingsProvides pharmaceutical development support including analytical and microbiological testing, manufacturing and packaging through licensed facilities, clinical comparator sourcing, project…
Serves B2B customers in the pharmaceutical and clinical research sectors, including drug developers, manufacturers and research project teams running regulated studies.
Financial Health
StableStable · Hiring · 14% CAGR over 4y
Location
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Computed from 5 filingsDesigns and manufactures industrial filtration equipment for liquid and gas processes, including air intake filters, oil mist eliminators, process filters, strainers and fuel filters. Supplies…
Serves global B2B industrial markets, including oil and gas, cleaner energy, power generation, marine, food and beverage, and manufacturing, selling to major corporations, specialist engineering…
Financial Health
DistressedDistressed · -4% CAGR over 4y
Location
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Computed from 5 filingsDesigns and manufactures bespoke thermoformed plastic products and retail packaging. Provides concept development, prototyping using resin tooling, and volume production using aluminium tooling,…
Serves B2B retailers, product brands and manufacturers requiring bespoke thermoformed retail packaging, from prototypes to small or large production runs.
Financial Health
StableStable · -11% CAGR over 4y
Location
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Computed from 4 filingsProvides mechanical, electrical and automation engineering services, including systems integration, control software and industrial equipment design. Supplies drives, inverters and soft starters, and…
Serves industrial businesses in aerospace, automotive, manufacturing, marine, nuclear, power generation and oil & gas, including engineering, operations and project teams.
Financial Health
WeakWeak · -4% CAGR over 3y
Location
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Computed from 5 filingsProvides consultancy, implementation and training for Microsoft Dynamics 365 and Microsoft Power Platform. Develops customised CRM systems, customer service, sales and field service solutions, and…
Serves businesses and organisations using Microsoft Dynamics 365 and Power Platform, particularly teams responsible for sales, customer service, field service, marketing and project delivery.
Financial Health
WeakWeak · Hiring · 59% CAGR over 3y
Location
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Computed from 5 filingsDesigns and supplies pollution prevention products for construction, civil engineering and utility maintenance sectors, including hydrocarbon‑absorbing spill mats, drain and gully protection devices,…
Sells B2B to construction, civil engineering, infrastructure and utility maintenance companies needing pollution prevention and spill control solutions, including site and environmental teams…
Financial Health
HealthyHealthy · -62% CAGR over 4y
Location
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Computed from 5 filingsProvides software development and IT consulting services including custom enterprise applications, web and mobile app development, cloud infrastructure solutions, DevOps support, data analytics and…
Serves businesses and public-sector organisations pursuing digital transformation, with sector focus on healthcare, fintech, manufacturing, cryptocurrency, automotive, e-government,…
Financial Health
WeakWeak · Hiring · 57% CAGR over 4y
Location
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Computed from 5 filingsDesigns and manufactures hydraulic and air filtration products for industrial applications. Produces custom filters, replacement and low‑volume OEM parts, and filtration systems used in power…
Sells to industrial B2B customers needing hydraulic and air filtration, including OEMs, aftermarket brands, power generation operators and military/defence organisations, with emphasis on buyers…
Financial Health
StableStable · -67% CAGR over 4y
Location
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Computed from 5 filingsProvides ISO management system consultancy to help organisations achieve certification for standards including ISO 9001, ISO 14001, ISO 45001 and ISO 27001. Offers compliance support, health and…
Serves UK businesses and organisations of all sizes across sectors that need ISO certification, health and safety compliance, supply-chain assurance, or stronger management systems to win clients,…
Financial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
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Computed from 3 filingsProvides metering and tenant billing services for communal and district heat network systems in residential and commercial developments, including automated meter reading (AMR), MBUS network support,…
Serves UK managing agents, property agents, developers and housing associations responsible for residential and commercial schemes with communal or district heat networks.
Financial Health
HealthyHealthy · Hiring · 22% CAGR over 2y
Location
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- R&R Tooling06537545
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Computed from 3 filingsSupplies cutting tools and machining consumables to manufacturing and engineering businesses. Provides oils and lubricants, workholding equipment, PPE, coolant management, tooling advice, inventory…
Sells to B2B manufacturing and precision engineering businesses, including machining operations needing cutting tools, consumables, workholding, lubricants, PPE and inventory vending support.
Financial Health
StableStable · 0% CAGR over 2y
Location
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Computed from 3 filingsDistributes electrical products and lighting equipment to trade customers, including LED lighting, site electrical supplies, cables, and tools. Also provides lighting design services and supplies…
Serves B2B customers across the UK, primarily electrical contractors and trade buyers in lighting, construction/site electrical and events sectors, including organisers of large music events.
Financial Health
StableStable · -10% CAGR over 2y
Location
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Computed from 5 filingsManufactures industrial mixing and batching equipment for construction and environmental applications, including mobile continuous mixing plants, concrete batching plants, concrete mixers and…
Serves B2B customers in concrete, paving, environmental and recycling sectors, including ready-mix and concrete products producers, contractors handling soil stabilisation or contaminated land…
Financial Health
StableStable · -68% CAGR over 4y
Location
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Computed from 5 filingsProvides RFID-based digital identification and labeling solutions for retailers and manufacturers, including RFID tags, labels and inlays, printing and encoding services, data management platforms,…
Serves B2B brands, retailers and manufacturers, particularly in apparel, footwear, beauty, food/QSR, electronics and home goods, with buyers focused on supply chain, retail operations and product…
Financial Health
StrongStrong
Location
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Computed from 5 filingsDesigns and supplies partial discharge monitoring and diagnostic equipment used to detect insulation defects in high‑voltage electrical assets. Products include portable spot testers and permanent…
Sells to B2B operators and maintenance teams managing high-voltage energy infrastructure, including utilities and asset owners responsible for GIS, switchgear, transformers and cables.
Financial Health
HealthyHealthy · -68% CAGR over 4y
Location
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Computed from 5 filingsProvides engineering and sustainability consultancy services for the built environment. Offers technical advisory, energy and sustainability assessments, lift and escalator (vertical transportation)…
Serves property owners, landlords, asset managers and facilities/property management teams responsible for commercial buildings and multi-site portfolios across the UK, including offices, retail and…
Financial Health
StableStable · -2% CAGR over 4y
Location
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Computed from 5 filingsProvides steel fabrication and engineering services for the oil and chemical processing industries, manufacturing refinery components including FCCU cyclone systems, vessels and heat exchangers, and…
Serves B2B customers in the oil, chemical and refinery sectors worldwide, including process licensors, engineering houses and operators commissioning FCCU revamps, new projects, vessels and heat…
Financial Health
StableStable · 0% CAGR over 4y
Location
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Computed from 2 filingsProvides a digital fitness music platform offering professionally produced playlists and mixes for group exercise classes. Includes tools such as BPM control and interval timers, enabling gyms and…
Serves gyms, fitness studios, leisure trusts, group exercise operators, personal trainers and fitness instructors in the fitness and wellbeing sector.
Financial Health
StrongStrong · Hiring · 33% CAGR over 1y
Location
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Computed from 2 filingsProvides management consulting focused on organisational design, leadership development, team and delivery performance, and cultural change. Delivers coaching, workshops and training to support…
Serves UK government and public sector organisations, alongside private sector businesses, targeting leaders and teams responsible for organisational change, operating model adoption, delivery…
Financial Health
WeakWeak · 0% CAGR over 1y
Location
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Computed from 5 filingsDesigns, supplies, installs and maintains fire protection systems, including fire suppression systems, sprinklers, extinguishers, riser systems and hydrants. Provides passive fire protection…
Serves B2B fire industry trade users, contractors and commercial site operators across the UK and Europe, including organisations responsible for fire safety compliance in buildings and…
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 4y
Location
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- Wallwork01476898
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Computed from 5 filingsProvides metallurgical processing services including industrial heat treatment, nitriding, vacuum brazing, hot isostatic pressing, and PVD/CVD coatings. Processes metal components for sectors such as…
Serves B2B manufacturers and engineering firms in aerospace, automotive, biomedical, motorsport, nuclear, space, tooling and decorative markets across the UK and Europe.
Financial Health
HealthyHealthy · Profitable · -68% CAGR over 4y
Location
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Computed from 3 filingsProvides electrical infrastructure services including design, construction, installation, inspection, repair and maintenance of low‑ to high‑voltage networks up to 400kV. Acts as an independent…
Serves UK businesses and infrastructure owners with high-voltage electrical assets, including developers needing grid connections and operators of substations, overhead lines, cable systems and plant.
Financial Health
HealthyHealthy · Hiring · 24% CAGR over 2y
Location
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Computed from 5 filingsProvides industrial engineering and automation services, including control panel design and manufacture, PLC and automation software development, automation planning and installation, remote PLC…
Serves UK manufacturers and OEM machine builders, including food and beverage, packaging, utilities and energy, automotive, pharmaceutical, chemical, defence, and oil and gas operators.
Financial Health
HealthyHealthy · -52% CAGR over 5y
Location
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Financial sub-scores
Computed from 5 filingsInstalls, modifies and services material handling and warehouse automation equipment, including conveyor systems, Autostore installations, pallet handling equipment and sortation systems. Also…
Serves B2B clients in automation and material handling, including warehouses, logistics operators, fulfilment centres and manufacturers needing conveyor, storage and goods movement systems.
Financial Health
StableStable · Hiring · 32% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsProvides digital learning and publishing services including editorial support, proofreading, reference checking, learning design, metadata handling, indexing, and quality control. Also produces…
Serves B2B clients in publishing and digital learning, including organisations producing books, journals and e-learning products, particularly teams managing complex educational, maths and science…
Financial Health
StableStable · 0% CAGR over 3y
Location
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Provides cloud-based and AI-enabled technology solutions for airlines, including cloud‑native IT modernisation, operational data platforms, and software for managing flight operations, crew and…
Serves airlines, targeting technology, operations, maintenance, ground handling and passenger-experience teams involved in cloud, data and AI transformation across the passenger journey.
Financial Health
N/AN/A
Location
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How Otter Blocks 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. B2B companies are identified using Firmbase's semantic classification of company activity, built from filings, websites and registered SIC codes rather than SIC codes alone. The detected counts and share figures on this page are computed within that sector cohort, so "share" always means share of B2B companies with a detectable system — not of all UK companies.
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.
Otter Blocks 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 UK B2B companies use Otter Blocks?
What share of UK B2B companies run Otter Blocks?
How is Otter Blocks usage detected?
What size B2B companies use Otter Blocks in the UK?
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