Fundraising Fox
Yieldify
Acquired10,345 employees on LinkedIn · 9 known investors
Find your way into Yieldify
Sign up to find every way you can get introduced to Yieldify
- Your email: who you already know at Yieldify, and who your contacts know
- 2nd- and 3rd-degree connections: people you know who worked, studied or invested with the Yieldify team
- Your LinkedIn: the connections who can make the intro for you
We rank every route by how warm it is, so you raise on warm intros instead of cold emails.
Yieldify is a London-based website personalization and customer journey optimization platform for e-commerce brands, acquired by Publicis Groupe.
Also known as Yieldify · Zeus Enterprise Ltd. · Zeus Enterprise, Inc.
Founders & leadership
Investors · 9
How we know: GV (Google Ventures)'s portfolio page · research · en.everybodywiki.com · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Hoxton Ventures's portfolio page · research · en.everybodywiki.com · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: a partner's Signal profile · lererhippeau.com · Not right? Tell us
Also in the syndicate · 4
Company profile
researched Aug 2026Yieldify is a marketing technology company founded in 2013 and headquartered in London. It provides a website personalization engine that enables e-commerce companies to tailor on-site experiences to individual visitors, delivering a message or experience matched to a consumer's profile and stage in their purchase journey with the aim of driving incremental revenue and other defined outcomes.
The platform combines end-to-end website personalization based on audience targeting, customer journey analytics used to identify personalization opportunities, testing to determine which experiences perform best, and support for custom design and creative work. The offering is delivered as a combination of proprietary technology and an end-to-end service, spanning customers from small businesses to enterprise brands. In January 2023 Publicis Groupe acquired Yieldify, placing it within its Epsilon unit, where its onsite personalization, conversion optimization and customer journey capabilities were positioned to complement Epsilon PeopleCloud and extend Epsilon's reach into the mid-market; the platform was also slated for integration with Epsilon's CORE ID.
Business model
Yieldify sells a website personalization platform paired with a managed, end-to-end service that includes custom design and creative support, serving clients ranging from SMBs to enterprises.
Traction
At the time of the January 2023 acquisition the company reported hundreds of clients, more than 90 employees and support for e-commerce sites across North America, Europe and Asia-Pacific.
Latest developments
Following the Publicis Groupe acquisition and integration into Epsilon, the yieldify.com domain presents Epsilon Accelerate, an onsite experience orchestration product that uses real-time behavioral signals to surface relevant products and adjust customer paths, supported by guides, blog content and case studies on website personalization and behavioral segmentation.
▸Full profile — market position, technology, go-to-market, geography, history
Market position
Positioned as a website personalization and conversion optimization provider for e-commerce, spanning small business through enterprise clients; following the acquisition it serves as Epsilon's mid-market complement to the enterprise-focused Epsilon PeopleCloud.
Technology
A proprietary website personalization engine providing end-to-end personalization based on audience targeting, customer journey analytics to surface personalization opportunities, and in-depth testing to identify winning experiences; post-acquisition it is being integrated with Epsilon's CORE ID identity capability.
Go-to-market
E-commerce businesses, from SMB to enterprise, including named clients Homair, L'Oréal, Made in Design and New Balance.
Geography
Headquartered in London with regional offices in New York, Sydney and Singapore, supporting e-commerce websites across North America, Europe and Asia-Pacific.
History
Founded in 2013 in London, Yieldify grew to serve hundreds of clients and more than 90 employees across its London headquarters and offices in New York, Sydney and Singapore. On 4 January 2023 Publicis Groupe announced its acquisition of the company, which became part of Epsilon while initially retaining its own name and organization during integration.
Compiled by commissioned research from 8 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Founder mafia
The Yieldify mafia →6 people who came through Yieldify went on to found or lead other companies.
Timeline · 13
launches, deals, and filingsPublicis Groupe announced the acquisition of London-based marketing technology company Yieldify. Yieldify became part of Epsilon, complementing Epsilon PeopleCloud and extending Epsilon's presence in the mid-market, while initially retaining its name and organization during integration. Financial terms were not stated.
Publicis Groupe announced the acquisition of London-based marketing technology company Yieldify. Yieldify became part of Epsilon, with its onsite personalization, conversion optimization and customer journey offerings complementing Epsilon PeopleCloud and extending Epsilon's reach into the mid-market. Yieldify initially retained its name and organization, with plans to integrate its platform with Epsilon's CORE ID.
John Giuliani, CEO of digital marketing firm Conversant, invested in the company's $6 million round and joined the Yieldify board as chairman.
Yieldify launched the Yieldify Conversion Platform, which alongside new investment was intended to support expansion of its e-commerce operations.
Yieldify and Bounce Exchange reached an undisclosed settlement of their litigation.
Amid IP infringement litigation, Yieldify laid off around 20% of its workforce in March 2016; its Munich and Porto offices were closed in summer 2016 and a further round of layoffs followed in November 2016.
Yieldify acquired a web patent, first filed in 2007, from III Holdings, an entity associated with Intellectual Ventures, in the context of its litigation with Bounce Exchange.
Co-founder and CEO Jay Radia was selected for the Financial Times' Euro Tech Top 10 Under 30 list.
Yieldify was voted Industry Choice of Publisher at the 2015 Performance Marketing Awards. The company was also included in Tech City UK's Future Fifty list of fast-growth UK digital startups.
Yieldify opened a technology development hub in Porto, Portugal.
New York-based competitor Bounce Exchange sued Yieldify, alleging it copied Bounce's code and infringed its patents. Yieldify denied the allegations but changed its code after the initial complaint. Bounce filed a second suit in April 2016 adding some Yieldify customers as defendants; Yieldify countersued using a patent it had purchased from Intellectual Ventures.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
▸Research sources · 8
primary sources listed
- Yeildifyyieldify.com · web
- Yieldify raises $6 million in new funding round - Retail Systemsretail-systems.com · web
8 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Yieldify do?
- Yieldify is a London-based website personalization and customer journey optimization platform for e-commerce brands, acquired by Publicis Groupe.
- Who founded Yieldify?
- Yieldify was founded by Jay Radia.
- Who are Yieldify's investors?
- Yieldify's investors include GV (Google Ventures), Hoxton Ventures, Lerer Hippeau, Data Point Capital, SoftBank Capital.