Companies Using Fast Simon in London: 63 Active Firms (2026)
Online retailers using onsite search and merchandising tools sell goods through ecommerce websites from London boroughs.
Buying responsibility usually sits with ecommerce trading, merchandising, marketing and web operations teams rather than central IT alone. Users of this onsite-search and merchandising stack tend to have enough catalogue depth for filtering, recommendations and campaign-led ranking to matter, but not always an enterprise software function. Adoption points to a transactional website with routine testing, margin-aware merchandising and a budget for paid plugins or managed configuration. The cohort is therefore closer to specialist online retail and omnichannel commerce than to brochure-site businesses: product discovery, basket value and repeat purchase are operational concerns, not occasional redesign tasks.
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London has 63 active companies running this onsite-search and merchandising stack, making this a small adoption cohort rather than a proxy for the whole online-retail market. Reported employment totals 216 staff, so the visible footprint is weighted towards smaller retail operators and specialist merchants rather than large store groups. Adoption cuts across wholesale and distribution, field services and trades, education and training, travel and hospitality, and accounting and audit. That spread fits a tool used on transactional sites where catalogue navigation and conversion are practical priorities, not only on classic consumer-goods storefronts.
Procurement is shaped less by sector licensing than by consumer-law hygiene. GOV.UK expects distance sellers to give clear pre-contract information on the trader, goods or services, total price, delivery arrangements, payment methods and cancellation rights. The CMA now has direct consumer-enforcement powers under the Digital Markets, Competition and Consumers Act, with particular relevance to unavoidable fees, fake reviews and subscription journeys. For companies running onsite search and merchandising tools, product-ranking logic, promotional claims, review presentation and checkout disclosure sit on the same compliance surface as the ecommerce platform itself.
Adoption appears tied to the practical limits of default site search. Smaller merchants tend to start with hosted ecommerce templates and add discovery tools when catalogue depth, promotion cadence or paid-acquisition costs make merchandising more visible to management. Over time, some functionality may be absorbed into broader commerce suites, while specialist tools keep a role where retailers want finer control over ranking, recommendations and campaign rules. The scarcity of larger adopters suggests a market where migration decisions are cautious, switching costs matter, and stack consolidation is as plausible as new-tool adoption.
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 Fast Simon varies by company size across the trading companies in this cohort. 0% of the 532,485 companies with under 10 employees run Fast Simon (46 detected). 0.1% of the 15,364 companies with 10–50 employees run Fast Simon (16 detected). 0% of the 1,763 companies with over 50 employees run Fast Simon (0 detected).
63
Active firms
2026
2
Above £5M turnover
Trading firms
7
Median headcount
Filed accounts
130
Verified directors
Across this cohort
Top companies using Fast Simon 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 filingsSupplies and delivers fresh fruit, vegetables, herbs, berries, mushrooms and other produce, along with dairy, bread, eggs, frozen and prepared foods, through an online shop to businesses and…
Serves London businesses needing fresh fruit, vegetables and food supplies, alongside consumers using its home delivery shop. Targets business account customers and households seeking next-day…
Financial Health
StrongStrong · Growing, Hiring · 13% CAGR over 5y
Location
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Financial sub-scores
Computed from 5 filingsSupplies Vitra-branded furniture, including office chairs, desks, tables, sofas, lighting and accessories for homes and workplaces. Sells replacement parts and refurbished items, and provides…
Serves homeowners buying designer furniture and accessories, plus businesses seeking Vitra office furniture and workplace solutions, with emphasis on companies in Central London and Europe.
Financial Health
HealthyHealthy · -10% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsOperates a South African grocery and butchery store selling biltong, drywors, chilli sticks, and fresh meats including beef, chicken, lamb and pork, alongside imported food products such as snacks,…
Serves consumers seeking South African groceries, butchery items, biltong, snacks and alcoholic drinks, via local shop and online delivery across mainland England, Wales and most of Scotland.
Financial Health
HealthyHealthy · Hiring · 8% CAGR over 3y
Location
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Financial sub-scores
Computed from 3 filingsSupplies garden fencing and timber products, including fence panels, trellis, decking, sheds, gates, posts, sleepers, and planters. Offers standard and made-to-measure fencing, along with concrete…
Serves trade customers and the public buying garden fencing, timber, decking, sheds and related outdoor products, with delivery focused on North and East London, Hertfordshire, Essex and nearby areas.
Financial Health
WeakWeak
Location
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Financial sub-scores
Computed from 5 filingsOperates wine bars and sells sparkling wines through an online shop offering UK delivery. Provides curated sparkling wine lists, bar service, and food pairings such as oysters and grilled cheese at…
Targets adult consumers: London wine bar visitors, festival and seasonal event-goers, and UK online shoppers ordering wine for delivery. Also serves customers placing larger bulk orders.
Financial Health
HealthyHealthy · Hiring · 41% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsOperates an online and wholesale food store selling meat, fish, poultry, vegetables and African grocery products. Supplies items such as beef, goat, chicken, dried fish, rice, beans, oils, seasonings…
Serves retail shoppers and wholesale buyers seeking African groceries, meat, fish, poultry, vegetables and dry foods, including households and food businesses ordering online or in store.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsOperates a group of community pharmacies providing NHS and private prescription dispensing, repeat and electronic prescription services, travel vaccinations, sexual health screening and advice, and…
Serves consumers and patients using community pharmacies and an online shop, including NHS/private prescription users, travellers, and people seeking sexual health support or health products across…
Financial Health
HealthyHealthy · Profitable, Hiring · 5% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsOperates and manages retail brands and stores offering fashion, sportswear, children’s products, home and lifestyle goods, and mobile products. Sells through physical retail locations and e‑commerce…
Sells to consumers shopping online and in stores across fashion, sports, kids, home, wellness and mobile retail categories, with an emphasis on Israel and international markets including Canada,…
Financial Health
DistressedDistressed
Location
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Financial sub-scores
Computed from 5 filingsDesigns and produces ceramic tableware and decorative pieces, including mugs, miniature pots, vases, tumblers, espresso cups, and plant pots. Sells items through an online shop and presents themed…
Serves consumers and ceramics collectors shopping for handmade tableware, plant pots, vases and small art objects, including online buyers and studio visitors.
Financial Health
StrongStrong · Growing, Hiring · 22% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsWholesales and supplies alloy wheels and vehicle tyres from multiple brands. Provides tyre fitting, wheel alignment and TPMS services, and carries out alloy wheel refurbishment including diamond…
Serves retail motorists and trade customers, including car, 4x4, van and commercial vehicle owners/operators seeking alloy wheels, tyres, fitting and refurbishment, from single replacements to bulk…
Financial Health
StrongStrong · Hiring · 9% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsSupplies food, Italian wines and catering products to restaurants, pizzerias, pubs and hotels. Offers a catalogue of over 2,000 items including meat, dairy, fruit and vegetables, pizza ingredients,…
Serves hospitality and takeaway businesses, including restaurants, pizzerias, bistros, coffee bars, pubs and hotels, from small mobile pizzerias to high-end restaurants.
Financial Health
StableStable · 2% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsOperates a showroom retailing bathroom suites, tiles, kitchen fittings and plumbing products from various brands. Provides bathroom design consultations and supplies fixtures and materials to retail…
Serves retail homeowners and trade customers in Greater London, including people planning bathroom or kitchen renovations and professionals sourcing tile, bathroom and plumbing supplies.
Financial Health
WeakWeak · -65% CAGR over 4y
Location
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78 more companies and their verified directors are in the file
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Key facts
About 3% of the trading cohort reports turnover above £5M (2 of 63 firms) — the rest sits below that revenue band.
7% of the cohort was incorporated since 2022 (5 firms), so a sizeable share is in its first few filing cycles.
The London cohort sits on a consistent website-platform stack: 100.0% share the same platform co-occurrence, while the next companion tools appear on 57.1%, 27.0% and 25.4% of sites.
The sector mix is not pure retail: Wholesale & Distribution accounts for 14.3% of tagged users, Field Services & Trades for 12.7% and Education & Training for 11.1%, with tags overlapping.
Financial-health bands are split, with 22.2% marked weak, 12.7% distressed and 7.9% carrying insufficient history.
ONS records internet sales at 27.5% of total retail sales in 2025 and 28.0% in Q1 2026, compared with 19.2% in 2019.
Distance sellers must provide pre-contract information on identity, price, delivery and cancellation rights, and customers generally must be told they can cancel up to 14 days after delivery.
What else do Fast Simon users run?
Share of the 63 Fast Simon-running UK companies where each technology was also detected. As of June 2026.
Who runs Fast Simon 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.
7
Median headcount
£376.2K
Median UK turnover
3.2%
Above £5M turnover
5
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 90 companies, alongside financials and websites, in one Excel + CSV file.
How Fast Simon 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.
Fast Simon 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
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