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E-Commerce Companies in Cardiff: 758 Active Firms (2026)
E-commerce companies in Cardiff sell goods and services through online storefronts, marketplaces and fulfilment channels across the city region.
Buying centres tend to sit around commercial operations rather than pure technology teams: web merchandising, payments, stock control, fulfilment, returns and customer acquisition. Cardiff sellers in this category serve consumers and business buyers, usually through direct storefronts, marketplaces, subscription models or digitally managed wholesale channels. Engagements are practical and operational, covering the systems and processes needed to move goods, take payment, manage stock and handle post-purchase service. The buyer profile ranges from lean online retailers to mid-market operators with warehousing, marketing and customer service functions spread across Wales and the wider UK.
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Cardiff has 758 actively trading e-commerce companies, with reported employment of 1,761 people across firms that disclose headcount. The shape is broad rather than deep: 8 operators are above £5M turnover, while 302 incorporations date from since 2022. That leaves a long tail of young or small online sellers alongside a narrower set of larger logistics-aware retailers, subscription sellers and digital wholesalers serving customers beyond the city region.
For Cardiff operators selling across Wales and the wider UK, compliance sits across consumer-contract terms, returns handling, product safety, payment security, advertising claims, tax collection and privacy duties rather than an e-commerce-specific licence. Marketplace operators also depend on platform rules they do not control, while subscription and digitally enabled wholesale models need clear cancellation, billing and stock-availability processes. The practical effect is that legal risk is often embedded in operational workflows: checkout wording, fulfilment promises, customer support scripts and returns processing, not just formal policies.
Cardiff’s e-commerce base appears weighted towards early-commercial sellers, with a thinner layer of scaled operators. That suggests churn, experimentation and niche category focus will remain part of the local pattern. Growth tends to depend less on storefront launch costs and more on repeat purchasing, warehouse discipline, returns control and paid acquisition efficiency. Consolidation is more likely to show up through customer-list acquisitions, fulfilment partnerships and marketplace account transfers than through headline mergers. Operators with repeatable demand and disciplined stock management should look more resilient.
758
Active firms
2026
8
Above £5M
reported turnover
302
Recent incorporations
incorporated since 2022
Key facts
About 1% of the trading cohort reports turnover above £5M (8 of 758 firms) — the rest sits below that revenue band.
39% of the cohort was incorporated since 2022 (302 firms), so a sizeable share is in its first few filing cycles.
Cardiff’s e-commerce sellers span online storefronts, marketplace-led retail and fulfilment-channel models.
The segment sits between consumer demand, supplier logistics and fulfilment partners serving online sellers.
Operating models range from inventory-owning retailers to businesses that rely on outsourced logistics and marketplace infrastructure.
B2B suppliers tend to sell into several buying centres, including e-commerce operations, finance, fulfilment and customer support.
Top Cardiff E-Commerce companies
Kitchen Economy Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsRetailer of household appliances and white goods through an online store and showroom. Sells cookers, ovens, hobs, refrigerators, freezers, washing machines, tumble dryers, dishwashers, small kitchen…
Sells primarily to consumers and homeowners in Cardiff and surrounding South Wales seeking kitchen appliances, white goods, small electricals and home entertainment products online or in-store.
Financial Health
HealthyHealthy · Hiring · 10% CAGR over 2y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and sells technical outdoor clothing for mountain activities including climbing and skiing. Product range includes down and insulated jackets, waterproof shell jackets, legwear, midlayers,…
Sells direct to consumers: climbers, skiers, mountaineers and outdoor adventurers, with online stores for UK, European, US, Canadian and rest-of-world customers.
Financial Health
HealthyHealthy · Hiring · 12% CAGR over 4y
Location
Raw Pet Supplies Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsRetailer of raw pet food products for dogs, including meat, bones, offal, fish and premade 80/10/10 meals, along with supplements. Sells through an online shop offering nationwide delivery and order…
Serves UK consumers who own dogs or other pets and buy raw pet food online, including raw-feeding beginners and existing customers seeking nationwide delivery or Cardiff-area collection.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 5y
Location
THE GOURMET BUTCHER LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsOperates butcher shops and an online store selling fresh meat and prepared products, including beef, pork, lamb and poultry cuts, sausages, burgers and
Sells to consumers in South Wales and online shoppers seeking butcher products, especially home cooks, food lovers, barbecue buyers and Sunday roast customers.
Financial Health
WeakWeak · Hiring · 22% CAGR over 4y
Location
TIMELESS ELEGANCE LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsOnline retailer of luxury wristwatches, offering new and limited‑edition models from brands such as Rolex, Patek Philippe, Audemars Piguet, Omega and Franck Muller. Also provides watch trade‑in or…
Sells to consumers and watch collectors seeking luxury men’s and women’s timepieces from brands such as Rolex, Patek Philippe, Audemars Piguet, Omega and Franck Muller, with global shipping and…
Financial Health
StrongStrong · Hiring · 15% CAGR over 4y
Location
DATA POWERTOOLS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsRetailer of power tools, hand tools, woodworking and metalworking machinery, accessories and consumables from brands such as DeWALT, Bosch and Makita. Sells cordless and corded tools, fixings,…
Serves a mix of trade and consumer buyers, including contractors, tradespeople, workshops, woodworkers, metalworkers and DIY users buying tools, machinery, accessories, workwear and spares online or…
Financial Health
StableStable · 0% CAGR over 2y
Location
Uncommon Ground Roasting Company Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsRoasts and sells speciality coffee beans through an online shop, subscriptions and wholesale supply. Also operates a coffee bar serving brewed espresso and filter coffee, and retails coffee equipment…
Sells to individual coffee drinkers online and via subscriptions, local consumers in Cardiff, and wholesale business partners such as cafés or hospitality venues.
Financial Health
StableStable · Hiring · 19% CAGR over 4y
Location
Bearbones 4X4 Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsSells aftermarket and replacement parts and accessories for Land Rover vehicles through an online store, including components for Defender, Discovery, Range Rover and Freelander models such as axles,…
Serves B2C and trade customers who own, maintain or repair Land Rover 4x4s, including Series, Defender, Discovery, Freelander and Range Rover models.
Financial Health
StrongStrong · Growing, Hiring · 13% CAGR over 4y
Location
POSTAL PACKAGING LTD
Trajectory
1y · 2025–NowSupplies wholesale postal and e‑commerce packaging, including cardboard shipping boxes, book wraps, board and bubble mailers, poly mailing bags, labels and envelopes. Also offers customised printed…
Serves UK businesses buying packaging in bulk, especially e-commerce retailers and brands in apparel, arts and craft, electronics, food and beverage, health and beauty, office supplies, and…
Financial Health
Insufficient historyInsufficient history
Location
LT Chemists Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsOperates an online pharmacy providing remote consultations with pharmacists and prescribers, supplying prescription and over‑the‑counter medicines for conditions such as acne, migraines and erectile…
Serves UK consumers seeking online pharmacy access, including people managing common health conditions, travellers, sexual health needs, everyday medicine buyers and pet owners with vet prescriptions.
Financial Health
HealthyHealthy · -5% CAGR over 4y
Location
LT Chemists Holdings Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsOperates an online pharmacy offering medical consultations with registered prescribers, dispensing prescription-only and over‑the‑counter medicines, and selling health and personal care products…
Serves UK consumers seeking online pharmacy consultations, over-the-counter medicines, toiletries and discreet prescription treatments, including travellers and people managing common conditions such…
Financial Health
StrongStrong
Location
QTS INDUSTRIAL SUPPLIES LIMITED
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsSupplies industrial tools and equipment through an online store, distributing products from brands including Draper and Toolbank. Product range includes sockets, ratchets, tool sets, power tool…
Serves trade and industrial buyers, maintenance teams, workshops, contractors and DIY customers shopping online for tool and workshop supply ranges.
Financial Health
HealthyHealthy · 0% CAGR over 3y
Location
CLIFTON PHARMACY LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsOperates an online pharmacy selling over-the-counter medicines, health products and pharmacy brands. Provides online consultations with pharmacists and registered prescribers, supplies…
Serves UK consumers seeking online pharmacy products, over-the-counter medicines, toiletries, discreet health consultations and prescription treatments, including travellers and people managing…
Financial Health
StableStable · -68% CAGR over 4y
Location
Black & Beech Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDesigns and sells feminist-themed apparel and merchandise, including t‑shirts, knitwear, pyjamas and accessories, alongside art prints, greeting cards, books and homeware. Products are sold online…
Sells directly to consumers, especially feminist and values-led shoppers, gift buyers, and supporters of progressive causes seeking ethical clothing, accessories, homeware and stationery.
Financial Health
StableStable · Hiring · 36% CAGR over 3y
Location
S. PUGH & SON ( GARDEN CENTRE ) LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsOperates garden centres retailing plants, gardening tools and supplies, garden furniture, and outdoor living products. Also offers pet supplies, food halls and restaurants, hosts gardening events,…
Sells primarily to consumers and families in South Wales, especially home gardeners and outdoor-living shoppers. Also serves pet owners, food shoppers and visitors seeking restaurants, events, gift…
Financial Health
StableStable · Hiring · 11% CAGR over 2y
Location
CAREHART LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsRetailer of Carhartt‑branded clothing and accessories, including workwear jackets, jeans, hoodies, trousers, gloves, footwear, bags and related gear for men and women, sold through an e‑commerce…
Serves individual men and women, plus business buyers, seeking workwear, outdoor clothing, footwear and accessories for trades, manual work and everyday use.
Financial Health
StrongStrong · Growing · 1% CAGR over 4y
Location
ASTRAL LIGHTING LTD.
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsRetailer of indoor and outdoor lighting products, including ceiling lights, chandeliers, pendant lights, wall lights, spotlights, LED bulbs, table and floor lamps, garden lighting, and related…
Serves retail consumers and homeowners shopping for residential indoor and outdoor lighting, including fittings for kitchens, bedrooms, bathrooms, living rooms, gardens and children’s rooms.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProduces and sells nutritional supplements including vitamins, minerals and herbal formulations such as collagen, probiotics, turmeric extract and omega‑3. Markets products directly to consumers…
Sells direct to UK consumers seeking vitamins and nutritional supplements for everyday health needs, including joint comfort, skin and hair, digestion, menopause, sleep, cognition, immunity and…
Financial Health
HealthyHealthy · -66% CAGR over 4y
Location
CATERQUIP (NOTTINGHAM) LTD
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsSupplies refurbished and second‑hand commercial catering equipment through an online store, including ovens, fryers, refrigeration units, dishwashers, food preparation machines and stainless‑steel…
Serves UK hospitality and foodservice businesses, including restaurants, caterers, commercial kitchens and other operators buying used or refurbished catering equipment on constrained budgets.
Financial Health
StrongStrong · -3% CAGR over 4y
Location
COFFEE PLANET LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsRoasts and sells organic and Fairtrade coffee beans and ground coffee, supplying wholesale customers and retail buyers through an online shop and retail shop. Also sells tea, green coffee beans, and…
Serves retail consumers buying coffee and tea online or in-store, including health-focused buyers of Gerson coffee, and wholesale or mail-order trade customers seeking organic and Fairtrade coffee.
Financial Health
StrongStrong · Hiring · 6% CAGR over 4y
Location
Smarter Components Cardiff Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsSupplies spare parts and components for gas and oil boilers and heating systems, including valves, pumps, heat exchangers, sensors, and control units. Offers replacement parts and service kits from…
Serves trade and commercial heating customers, including boiler engineers, plumbers, maintenance contractors and facilities teams needing parts for major gas, oil and cylinder brands.
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
HEALTH AND HER LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDevelops and sells dietary supplements formulated for women's hormonal health, including products for menstrual cycles, fertility, perimenopause and menopause. Also operates a mobile app providing…
Sells direct to consumers seeking hormone wellbeing support, mainly women across life stages such as menstrual cycles, fertility, pregnancy, new motherhood, perimenopause, menopause and…
Financial Health
StrongStrong · Growing, Hiring · 57% CAGR over 4y
Location
CONNECT CCTV SUPPLIES LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsSupplies electrical products and building accessories through an online wholesale and retail store, including LED lighting, lamps, sockets and switches, consumer units, cables, junction boxes,…
Serves a mix of trade customers, electrical contractors, home improvers and self-builders buying electrical and building supplies online.
Financial Health
StrongStrong · Hiring · 14% CAGR over 4y
Location
Deja Vu (Cardiff) Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsOperates a dress agency selling curated pre‑owned clothing, shoes, and accessories through an online shop. Accepts items from individuals to sell on their behalf and offers second‑hand fashion from…
Serves individual shoppers seeking pre-loved clothing, shoes and accessories, alongside local women in Cardiff/Pontcanna looking to sell quality wardrobe items through a dress agency model.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
R.K. AGGARWAL LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsOperates a group of businesses including a pharmacy and beauty salon, an online beauty and fragrance retail store, an 18‑hole golf course, and residential and commercial property development…
Serves a mixed market: pharmacy and salon customers in Cardiff, online beauty and fragrance shoppers, golfers around South Wales, and residential or commercial property clients in South Wales.
Financial Health
WeakWeak · -5% CAGR over 2y
Location
THE VANILLA VALLEY LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsOperates an online retail shop selling cake decorating and sugarcraft supplies, including fondant icing, edible decorations, food colourings, cake boards, baking equipment, moulds, cutters, and party…
Serves hobby bakers, cake decorators, sugarcraft enthusiasts and small cake-making businesses buying online or from its Cardiff shop.
Financial Health
DistressedDistressed · -10% CAGR over 3y
Location
Ambela Limited
Trajectory
1y · 2025–NowOperates an online retail store selling women’s clothing, specialising in denim jeans including stretch, straight‑leg and sculpt styles, alongside casual basics such as hoodies, T‑shirts and shorts…
Sells directly to women consumers seeking inclusive-size denim and casual basics, including shoppers across sizes 6–26 and multiple leg lengths.
Financial Health
Insufficient historyInsufficient history
Location
Clubsport (Retail) Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsOperates an online retail store selling sports equipment, rackets, balls, footwear, and apparel for activities such as tennis, rugby, running, and badminton, along with school sportswear and related…
Serves individual sports participants, parents buying schoolwear, and sports clubs seeking team ranges, mainly across tennis, badminton, rugby and running.
Financial Health
StableStable · -19% CAGR over 2y
Location
Cut Direct Ltd
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsSupplies cut-to-size sheet materials for DIY and construction projects through an online store, including acrylic, polycarbonate and Dibond plastic sheets, MDF, plywood and other wood boards, with…
Serves UK DIY consumers, homeowners and home improvers, alongside trade customers such as builders, joiners, fitters and makers buying cut-to-size materials and home improvement components online.
Financial Health
StrongStrong · Hiring · 34% CAGR over 1y
Location
Ebeauty Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · Hiring · 7% CAGR over 4y
Location
METAHUMAN SUPPLEMENTS LTD
Trajectory
3y · 2021–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
HealthyHealthy · 0% CAGR over 3y
Location
FABULOUS WELSHCAKES LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProduces handmade Welshcakes baked in small batches using traditional griddle methods. Sells assorted flavours online and supplies packaged food gifts, hampers, wedding favours, and corporate gift…
Serves consumers buying Welsh food gifts online, couples planning wedding favours, and businesses seeking corporate gifts, including event coordinators and organisations celebrating Welsh culture.
Financial Health
HealthyHealthy · Hiring · 39% CAGR over 2y
Location
THE CERAMIC TILE WAREHOUSE LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsImports and retails porcelain and ceramic tiles for residential and commercial interiors. Supplies a range of tile styles along with wood and vinyl flooring products for kitchens, bathrooms, and…
Sells to both residential and commercial customers seeking tiles and flooring, including homeowners and business buyers in need of porcelain, ceramic, wood and vinyl flooring products.
Financial Health
DistressedDistressed · 0% CAGR over 2y
Location
SG HAIR & BEAUTY LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong · Growing, Hiring · 41% CAGR over 4y
Location
Minna Stoneware Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
StableStable
Location
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsOperates an online marketplace for car leasing and subscription services, enabling individuals and businesses to compare vehicles and request flexible contracts from partner suppliers, with options…
Serves UK consumers and businesses seeking flexible vehicle access, including drivers who prefer short-term lease or subscription arrangements over long-term car ownership or contracts.
Financial Health
StrongStrong · Growing, Hiring · 48% CAGR over 4y
Location
Digi4u Ltd.
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsSupplies wholesale mobile phone replacement parts and accessories, including screens, batteries, back glass, housings, and components for Apple devices. Also sells repair tools, adhesives, and…
Serves UK mobile phone repair shops, independent repair technicians and DIY consumers needing replacement parts, accessories and repair tools for smartphones, tablets and laptops.
Financial Health
DistressedDistressed · -9% CAGR over 4y
Location
Total Asia Food Cardiff Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsOperates an Asian food supermarket with online ordering, selling groceries including rice, noodles, sauces, spices, snacks, beverages, frozen foods, seafood, meat, fruit and vegetables, along with…
Financial Health
StableStable · -5% CAGR over 2y
Location
NAVIDI HAIR COMPANY LIMITED
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsDesigns and sells professional hair styling tools and accessories, including hair straighteners, hair dryers, curling tongs, hot brushes and wet‑to‑dry stylers, along with related attachments and…
Targets consumers seeking salon-style haircare at home, alongside professional hair stylists and salons. Serves online shoppers across multiple international markets through country-specific stores.
Financial Health
StableStable · Hiring · 3% CAGR over 6y
Location
Dannydick Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
TURNING POINT TRADE LTD
Trajectory
4y · 2021–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed · 0% CAGR over 3y
Location
RTU GROUP LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
HealthyHealthy
Location
Bigycom LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
Adnan Trading Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
Kensingtons Luxury Bedding Ltd
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
HealthyHealthy · 0% CAGR over 1y
Location
Marco Polo Trading Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
Cotswold Wears Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
StrongStrong · Hiring · 14% CAGR over 3y
Location
BELLWETHER COMMERCE LIMITED
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
DistressedDistressed · 0% CAGR over 1y
Location
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProduces packaged savoury snack products sold under the Crunchits brand, including crunchy clusters made from rice, edamame, and black beans. Offers flavoured, high‑protein and high‑fibre snack packs…
Sells direct to consumers seeking healthier savoury snacks, including everyday snackers and people looking for high-protein, high-fibre vegetarian alternatives to crisps for work or home.
Financial Health
StableStable · Hiring · 14% CAGR over 4y
Location
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How Cardiff E-Commerce companies work and how to sell to them
What they do
Cardiff e-commerce operators make money from product margin, delivery charges, subscription replenishment, digitally managed wholesale accounts and, for marketplace-style models, seller fees or commissions. The offer is usually physical goods wrapped in a digital buying journey: storefront, payment, stock visibility, fulfilment, returns and customer service. Pricing is therefore less about licence seats and more about basket value, margin after fulfilment, repeat purchase rate and channel fees. Smaller sellers tend to run lean catalogue-led operations, while larger operators add warehouse processes, merchandising calendars, demand planning and customer support routines that look closer to multi-site retail than to pure software.
Who they sell to
Most Cardiff e-commerce firms sell either to UK consumers, trade buyers, or a mix of both. Consumer-facing teams usually target category managers, brand owners and performance marketing leads internally, because conversion rate, stock availability and acquisition cost sit close together. Business-to-business sellers tend to deal with procurement managers, finance teams, operations directors and owner-managed customers that want dependable supply rather than a long specification process. Sales cycles are often short for repeatable consumer purchases, but longer for wholesale, subscription and marketplace relationships where credit terms, delivery promises, service levels and returns rules need to be agreed before trading starts.
What they buy
Most e-commerce firms tend to spend on tools and services that reduce friction between demand generation and fulfilment. Common categories include web commerce systems, CRM, email and messaging automation, payment processing, fraud screening, analytics, stock management, warehouse management, returns handling, customer service software and accounting integrations. Larger operators may also buy demand forecasting, product information management, procurement support, cyber security, cloud hosting, tax advice, consumer-law support, recruitment and outsourced logistics. Marketing services matter, but sellers should avoid pitching acquisition in isolation: many buyers will care as much about margin, stock turns, customer support load and returns cost as they do about traffic volume.
Why and how to sell to them
E-commerce buyers tend to evaluate vendors when operational strain becomes visible: more orders than existing processes can handle, rising paid-acquisition costs, poor stock accuracy, payment failures, slow returns, customer-service backlogs or a move into wholesale and subscription selling. Funding is not the only trigger; a warehouse move, new commercial hire, marketplace expansion or shift from manual spreadsheets to formal stock control can be more telling. Outbound works better when it links the offer to cash conversion, margin protection, service consistency or compliance risk. Cardiff operators with lean teams are likely to prefer evidence of quick implementation, low operational disruption and clear ownership after the sale.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. 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.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
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Frequently asked questions
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