London (184 Shepherd's Bush Road, W6)
Best for: Large grocers and multi-category retailers that want customer data science across loyalty, pricing, ranging and retail media, rather than a marketing agency.
A customer data science company for retailers and brands, headquartered in London, whose founders pioneered Tesco's Clubcard. It is not a marketing agency: its work covers category management, pricing and assortment, retail media, loyalty and personalisation, and customer, data and AI strategy.
- dunnhumby says it combines customer data, AI-driven science and decades of expertise, with services spanning category management, pricing and assortment, retail media, loyalty and personalisation, and customer, data and AI strategy.[6]
- Retail Technology Innovation Hub reported in June 2026 that the dunnhumby network alliance, designed to address retail media fragmentation, would be piloted by Tesco, B&Q, John Lewis and Waitrose across a variety of categories.[8]
- The Grocer reported in 2010 that dunnhumby's founders pioneered the Clubcard concept and had run the scheme since 1995, and that Tesco then owned 84% of the business.[9]
- dunnhumby's site gives its address as 184 Shepherd's Bush Road, London W6 7NL, and quotes Tesco Group CEO Ken Murphy describing it as having played a pivotal role in Tesco's development.[6][7]
London, with teams in Dubai and Auckland
Best for: Retailers whose ad, ecommerce, store and CRM data disagree, and who want governed metrics, attribution and focused AI measured against margin, returns, stock and repeat purchase.
A growth marketing agency founded in 2022 with teams in London, Dubai and Auckland. Its AI & Data Intelligence service for retail is vendor-agnostic and covers data readiness and governance, revenue intelligence and attribution, AI agents with human review, and self-serve analytics. All of this is self-reported on MxD Digital's own site.
- MxD Digital's AI & Data Intelligence service for retail has four parts: data readiness and governance, revenue intelligence and attribution, AI agents and workflow design with review loops, and self-serve analytics with governed dashboards and natural-language querying.[2][3]
- For retailers, MxD Digital says it also checks new customers, category contribution, returns and repeat purchase, and that before an AI use case it checks product availability, category margin and store and ecommerce behaviour against the promotion calendar, joining product, inventory and customer signals before a model suggests spend or offers.[2]
- MxD Digital sets out a first 90 days: an audit and use-case selection in days 1 to 30, cleaned definitions, data flows and reporting in days 31 to 60, and a first governed dashboard, natural-language view or review-loop agent in days 61 to 90.[3]
- MxD Digital's retail page describes contribution-margin-after-returns reporting, holdout tests that count only incremental revenue, and one weekly dashboard tied to one revenue number.[4]
- MxD Digital was founded in 2022, has teams in London, Dubai and Auckland, and lists retail among the industries it serves.[1]
London (One Canada Square, E14), with offices in Stockholm, Nyon, Barcelona and Montreal
Best for: Retailers building on Google Cloud and BigQuery that need engineers and data scientists for customer models, marketing analytics and generative AI.
A cloud data and AI consultancy with its first-listed office in London, working mainly on Google Cloud. It offers data platforms, Looker, marketing analytics, generative AI and retail-specific AI tools, and shows ASOS, Pets at Home and Mulberry among its client logos. Its retail evidence is real but some of it dates from 2021-2022.
- Datatonic describes itself as a cloud data and AI consultancy offering data migration, a unified data and AI platform, Looker, marketing analytics and generative AI, including a Gemini Enterprise for Retail offer and a retail assistant.[10]
- A November 2022 post on Google Cloud's blog, written by a Datatonic principal data scientist, says Mulberry used deeper customer insight to personalise advertising and reports a 37% rise in click-through rate, a 110% improvement in return on ad spend and a 25% increase in online sales.[12]
- On DoiT's site, Mulberry's customer insights manager says Datatonic created propensity scores for each customer to predict future buying behaviour, using data centralised in BigQuery.[13]
- Datatonic says it is a 12-time Google Cloud Partner of the Year winner and that its 2026 awards were in the Country: EMEA – UK/IE and Training: EMEA categories; this is the company's own announcement.[11][14]
Leeds (Globe Road, LS11) and Sheffield (Eyre Street, S1), with a registered office in London and offices in Sydney and Melbourne
Best for: Multi-channel retailers that want attribution and econometrics run by a data-led agency that also buys media and makes creative.
An integrated data, creative and performance agency that started as a specialist data business 25 years ago and now has more than 250 staff, including data scientists. Its retail measurement work includes multi-touch attribution for Asda and a measurement partnership with the multi-channel retailer Studio.
- 365 Retail reported in November 2020 that Studio, a multi-channel retailer, appointed Jaywing as its marketing measurement and effectiveness partner for attribution and econometrics modelling across digital, CRM, print and TV.[18]
- Jaywing says it built a data-driven multi-touch attribution model for Asda across Grocery and George, hosted on its own cloud data platform, and reports £3m+ of marketing investment saved and £20m of paid digital spend attributed.[17]
- Jaywing says it started as a specialist data business 25 years ago and has more than 250 staff, including data scientists, across offices in Sheffield, Leeds, Sydney and Melbourne.[15][16]
London (Bowling Green Lane, EC1R)
Best for: Retailers on Adobe or Google Analytics that want customer analytics, data governance and in-house team training from a specialist consultancy.
A London data and analytics consultancy, acquired by the French digital services group SQLI in 2026, that works on data strategy, analytics engineering, data science, customer activation and data governance. Retail and consumer goods is one of its five sectors, and it names Asda, Selfridges, Ted Baker, Tesco and Boots as clients.
- Le Monde Informatique reported in March 2026 that SQLI had acquired Station 10, a London consultancy specialising in data and AI with more than 25 staff, best known in retail, travel, financial services and the public sector, which keeps its name and leadership.[20]
- Station10 lists data strategy, analytics engineering, data science, customer activation and optimisation, and data governance among its services, with retail and CPG among its sectors and Asda, Selfridges, Ted Baker, Tesco and Boots among its named clients.[19]
- The UK government's Digital Marketplace lists Station10 Ltd on G-Cloud 14 with an analytics and conversion-rate training service priced at £250 to £1,700 a unit a day.[21]
UK; publishes no street address (its site lists contact lines for London, Bristol, Manchester and Oxford), and the University of Bath describes its work for UK retailers
Best for: Mid-sized ecommerce and omnichannel retailers that want a single customer view, lifetime-value analysis and attribution from a small data science specialist.
A data science agency focused on ecommerce retailers, offering database analytics, a customer data platform, multi-channel attribution, financial modelling and direct mail strategy. Its case studies include Jigsaw, NEOM and Museum Selection. Independent evidence is limited to a 2026 University of Bath partnership.
- The University of Bath announced in July 2026 a Knowledge Transfer Partnership with The Tapestry Agency, which it describes as a specialist consumer insight and data science consultancy, to develop an AI-powered consumer insight platform for UK retailers.[25]
- The University of Bath says The Tapestry Agency has spent more than seven years helping retailers understand consumer behaviour, marketing effectiveness and customer lifetime value.[25]
- The Tapestry Agency says it specialises in helping ecommerce retailers grow, with services including a single customer view, database analytics, a customer data platform and multi-channel attribution, and publishes case studies for Jigsaw, NEOM and Museum Selection.[22][24]