About InfoSum
InfoSum is a Technology company based in Basingstoke (United Kingdom) founded in 2015 by Nick Halstead, and was acquired by WPP in April 2025. Customer data collaboration is enabled securely via decentralization technology. InfoSum has raised $93.21 million across 8 funding rounds from investors including ITVX, Ascential and WPP. InfoSum was last valued at $300 million in August 2021. Its chief executive, as recorded, is Nick Halstead. Its website infosum.com draws about 18 thousand monthly visits. InfoSum offers products and services including Data Collaboration Platform, Private Path, and Data Clean Room. Its focus areas include Enterprise Applications, MarketingTech, Marketing Data Platforms and Customer Data Platforms. Its legal entity is INFOSUM LIMITED.
Company details
Founded in 2015 and based in Basingstoke, United Kingdom, InfoSum operates in the customer data security sector. Decentralized technology is utilized to extract and analyze insights from multiple business sources while ensuring GDPR compliance. Secure collaboration on consumer data from various sources is facilitated through artificial intelligence, without data sharing among third parties. Clients such as eBay and LiveIntent are served by these solutions.
- Headquarters Basingstoke, United Kingdom
- Founders Nick Halstead
- Stage Acquired
- SectorsTechnology
- Website category Business and Consumer Services · Marketing and Advertising
- Email••••••••
- Website infosum.com
- Social LinkedIn X Facebook Instagram YouTube
- Acquired by WPP (Apr 2025)
- Legal Name Infosum Limited
- Date of Incorporation 15 Oct, 2015
- Jurisdiction BASINGSTOKE, HAMPSHIRE, ENGLAND
Products & Services of InfoSum
InfoSum offers a comprehensive portfolio of products and services, including Data Collaboration Platform, Private Path, and Data Clean Room.
Enables secure first-party data collaboration for analytics and measurement.
Facilitates risk-free data exchange across multiple companies.
Connects datasets instantly without actual data sharing.
Apps and channels of InfoSum
its YouTube channel InfoSum has 182 subscribers and 30 videos.
Videos from InfoSum
The most watched videos on InfoSum's YouTube channel, InfoSum (182 subscribers). Click a video to play it here.
More on InfoSum.
Funding Insights of InfoSum
InfoSum has successfully raised a total of $93.21M across 8 strategic funding rounds. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $93.21M
- Total Rounds 8
- First Round $3M
(Feb 2016)
- Investors Count 10
All 8 funding rounds of InfoSum with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Jan 2023 | Series B | – | ITV | – | |
| Aug 2021 | $65M | Series B | $300M | Chrysalis | – |
| Aug 2020 | $15.1M | Series A | – | Upfront Ventures, IA Ventures | |
| Feb 2020 | $2.5M | Seed | – | – | – |
| Jan 2020 | $61,000 | Seed | – | – | – |
| May 2019 | $2.55M | Seed | – | – | – |
| Apr 2017 | $5M | Angel Round | – | Saul Klein, Mike Chalfen | – |
| Feb 2016 | $3M | Seed | – | Upfront Ventures, IA Ventures | – |
| Date | Valuation | Stage |
|---|---|---|
| Aug 2021 | $300M | •••••••• |
Last known valuation $300M (Aug 2021). 11 investors in total: 7 institutional and 4 angel.
Investors in InfoSum
InfoSum has secured backing from 11 investors, including institutional, venture fund, and angel investors. Prominent investors backing the company include ITVX, Ascential and WPP.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Venture capital funding is provided to early-stage companies. | upfront.com | Los Angeles, United States | ||
Seed and early-stage venture capital firm focusing on investments in technology and fintech companies | iaventures.com | New York, United States | ||
Subscription-based streaming of movies, series, and live channels is provided. | 1994 | itv.com | Holborn, United Kingdom | |
Diversified assets are managed across multiple investment sectors. | 2018 | chrysalisinvestments.co.uk | Brisbane, Australia | |
Ascential is integrated into Informa Group for B2B events. | 1947 | ascential.com | London, United Kingdom | |
Platform offering TV ad exchange software | 2018 | xandr.com | New York, United States | |
Content marketing services are provided by WPP globally. | 1971 | wpp.com | London, United Kingdom | |
SK Saul Klein | Venture capitalist, angel investor, co-founder of LocalGlobe, active in Indian startups | unknown_5d9832dd78eb46ea8 | ||
MC Mike Chalfen | unknown_4933d43b205d4078b | |||
MS Mark Suster | Managing Partner at Upfront Ventures, prominent angel investor, and tech blogger | unknown_cd0ffd4e9b644f96b |
Investor details for InfoSum
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
- Complete investor list
- Round participation
- Investor portfolios
- Co-investor network
Verified entity values are shown only after access is granted.
People of InfoSum
27 people are tracked at InfoSum (12 in leadership, 15 in team).
| Name | Role | Group |
|---|---|---|
Nick Halstead | Founder & CEO | Leadership |
Marina Barreiro | Director, Product Marketing | Leadership |
Lauren Wetzel | COO | Leadership |
Jack Leonard | Vp, Client Services | Leadership |
Daan Onland | Director Of Sales | Leadership |
Emily Brotherwood | Enterprise Sales Director | Leadership |
Riccardo Polizzy Carbonelli | Senior Sales Director | Leadership |
Oliver Schwazer | Director, Solutions Engineering | Leadership |
Norah A. Hannel | Senior Director | Leadership |
Marina B. | Director Of Product Marketing | Leadership |
Candice Tanner | Executive Assistant To CTO & SVP Sales EMEA | Leadership |
Kate Blaxill | Enterprise Sales Director | Leadership |
Cara Hoenkhaus | Senior Global Communications Manager | Team |
Elisabetta Catania | Customer Success Associate | Team |
Nick Henthorn | SVP Sales, Europe | Team |
Marion Dacquin | Senior Manager, Customer Success | Team |
Jack Langston | Solutions Engineer | Team |
Marc Cestaro | SVP Sales, North America | Team |
Ben Cicchetti | Svp, Marketing & Communications | Team |
Stuart Hemstock | QA And Integration Lead | Team |
7 more people are available in the full profile.
Complete people profiles for InfoSum
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
- Full employee list
- Team structure
- Board tenure
- Professional contacts
Verified entity values are shown only after access is granted.
Timeline of InfoSum
5 dated milestones of InfoSum across 10 years, from founding to its latest funding, stage changes and deals.
- Founded InfoSum is founded.
- Funding First funding round of $3.0M.
- Milestone Reaches Minicorn status.
- Funding Latest funding round, Series B,.
- Exit Acquired by WPP.
Web traffic of InfoSum
The website of InfoSum (infosum.com) receives about 18K visits a month and ranks #1,558,172 among all websites worldwide, #6,961 in Marketing and Advertising.
- Monthly visits18K
▲ 9.4% vs previous month
- Unique visitors6.8K
per month
- Global rank#1,558,172
among all websites
- Category rank#6,961
Business and Consumer Services · Marketing and Advertising
- Bounce rate40%
- Pages per visit1.8
- Average visit43 sec
- DevicesDesktop 32% · Mobile 68%
Websites whose visitors overlap most with InfoSum. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
ecranmobile.fr | ecranmobile.fr | 100% | #6,618,262 | – | |
mediashotz.co.uk | mediashotz.co.uk | 98% | #1,422,452 | – | |
| moreaboutadvertising.com | 97% | #789,287 | View details | ||
| annalect.com | 90% | 23.3K | #1,063,622 | View details | |
| retailtouchpoints.com | 90% | #454,243 | View details | ||
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
All 23 similar websites and full traffic analytics for InfoSum
The complete similar-websites list, audience overlap and engagement analytics require an active premium plan.
- 23 similar websites
- Audience overlap
- Engagement analytics
- Traffic by brand
Verified entity values are shown only after access is granted.
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Related news about Infosum
Complete news archive for InfoSum
Full article history, source details, and older brand coverage require an active premium plan.
- Full article archive
- Source and publication date
- Older coverage
- Brand-specific news history
Verified entity values are shown only after access is granted.
Frequently Asked Questions about InfoSum
InfoSum was founded in 2015 and raised its 1st funding round 1 year after it was founded.
InfoSum is headquartered in Basingstoke, United Kingdom. It is registered at Basingstoke, Hampshire, United Kingdom.
Nick Halstead is the CEO of InfoSum, as recorded in our data. They have also founded this company.
InfoSum is a funded company, having raised a total of $93.21M across 8 funding rounds to date. The company's 1st funding round was a Seed of $3M, raised on Feb 2016.
Founded in 2015 and based in Basingstoke, United Kingdom, InfoSum operates in the customer data security sector. Decentralized technology is utilized to extract and analyze insights from multiple business sources while ensuring GDPR compliance. Secure collaboration on consumer data from various sources is facilitated through artificial intelligence, without data sharing among third parties. Clients such as eBay and LiveIntent are served by these solutions.
InfoSum offers Data Collaboration Platform, Private Path, and Data Clean Room.
InfoSum has 11 investors. Key investors include ITVX, Ascential, WPP, Xandr, and Chrysalis Investments.
The valuation of InfoSum is $300M as of Aug 2021.
InfoSum operates through Infosum Limited.
Yes. InfoSum was acquired by WPP in April 2025.