What the Biggest Martech Deals of 2026 are Really Buying

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The martech market blew past 859 billion dollars in 2025 and is projected to cross the 1‑trillion mark in 2026, with more than 15,000 solutions vying for marketers’ attention. 

Global M&A volumes have kept pace, with total deal value on track for about 4 trillion dollars in 2026, roughly 13% up on last year, making marketing and data infrastructure prime consolidation targets rather than niche side bets. 

Within that surge, a cluster of 2026 deals anchored in Europe reveals how the region is quietly assembling its own martech spine: privacy‑minded, data‑rich, and increasingly AI‑native.

Taken together, the acquisitions below sketch out a competitive map that runs from first‑party data and B2B identity to influencer clouds, retail media, sports marketing, and agentic engagement platforms: exactly the layers that marketers will lean on as cookies fade, AI models proliferate, and EU regulation tightens the screws on opaque data practices.

Data and Identity

team.blue → Windsor.ai (majority stake, Q1 2026)

• Deal size: Terms undisclosed.
• Geography: team.blue is headquartered in Belgium with operations across Europe; Windsor.ai is based in Switzerland with a global client base.
• Strategic rationale: Windsor.ai is an AI‑powered data integration and marketing attribution platform that connects more than 325 data sources to unify performance reporting, which team.blue is folding into its “digital enabler” proposition for European SMBs. In plain English: this is plumbing: an effort to give small and mid‑market brands the kind of multi‑touch attribution and data consolidation that used to be reserved for enterprise stacks.

Expandi Limited → Kompass (announced March 2026)

• Deal size: Terms not publicly disclosed in the transaction announcement.
• Geography: Expandi operates across France, the UK, and other European hubs; Kompass is headquartered in France with a long‑standing global B2B data footprint.
• Strategic rationale: The acquisition is positioned as creating “the leading European B2B data, media and AI‑powered marketing services group,” effectively fusing Kompass’ firmographic data and media assets into an integrated B2B demand‑gen and account‑based marketing stack. For marketers, this is about owning the prospect graph in Europe rather than renting it from US‑centric data brokers.

Publicis Groupe → LiveRamp (announced May 2026)

• Deal size: About 2.2 billion dollars, all‑cash, at roughly 38.50 dollars per share—around a 30% premium to LiveRamp’s pre‑announcement closing price.
• Geography: Publicis is headquartered in Paris with deep EU operations; LiveRamp is US‑based but connects over 25,000 publisher domains and more than 500 tech and data partners across 14 markets, including Europe.
• Strategic rationale: Publicis frames the deal as a way to accelerate “data co‑creation”—secure data collaboration across brands, publishers and platforms—to fuel its AI‑powered marketing agents, Epsilon identity assets and privacy‑first personalisation. For EU marketers operating under GDPR and the DMA, this is a big swing at solving the identity and clean‑room puzzle without ceding control entirely to US‑platform gatekeepers.

Infomedia → Veact GmbH (completed June 9, 2026)

• Deal size: Financial terms are explicitly undisclosed by both parties.
• Geography: Infomedia is headquartered in Sydney but supports more than 1,000 dealerships and OEMs worldwide; Veact is based in Munich and focuses on European automotive aftersales data activation.
• Strategic rationale: The acquisition extends Infomedia’s automotive aftersales ecosystem into mainland Europe, using Veact’s data activation and predictive service marketing to help dealerships personalise outreach and retention. It’s niche martech, but it typifies a broader trend: vertical stacks buying data specialists to own their category’s customer graph end‑to‑end.

Engagement and Orchestration: AI‑Native Touchpoint Engines

Dotdigital Group plc → Alia Software Inc. (completed March 4, 2026)

• Deal size: Up to 60 million dollars, combining an initial 30‑million‑dollar cash payment with a 30‑million‑dollar performance‑linked earn‑out.
• Geography: Dotdigital is listed in London and serves more than 4,000 brands across 150 countries; Alia is US‑based but built squarely into the Shopify ecosystem, which has a large European merchant base.
• Strategic rationale: Dotdigital’s release makes it clear: Alia’s AI‑powered pop‑up and email/SMS list‑growth tech is about turning anonymous visitors into known contacts and capturing first‑ and zero‑party data on merchants’ own sites. 

In a world where paid audiences are increasingly rented, and cookies are evaporating, this is a deliberate bet on owned touchpoints and AI‑optimised capture, not just one more channel add‑on.

MoEngage → Aampe (announced June 23, 2026)

• Deal size: Not disclosed in the acquisition announcement.
• Geography: MoEngage is a global customer engagement platform with a strong presence in Europe; Aampe is US‑based, but the combined entity is being positioned as an “Agentic Customer Engagement Platform” for B2C brands worldwide.
• Strategic rationale: Aampe provisions a dedicated agent per user; the system learns the optimal content, timing, channel and frequency rather than relying on static segments or hand‑crafted journeys. 

Folding that into MoEngage completes its vision of agentic engagement, shifting EU marketers from rule‑based journeys to “always‑learning” AI that can adapt to each customer without constant campaign surgery.

Adtech and Retail Media: From Impressions to Closed‑Loop Journeys

Adrenalead → Outpush (announced February 4, 2026)

• Deal size: Not disclosed publicly.
• Geography: Both companies are headquartered in France, with a footprint across European publishers and advertisers.
• Strategic rationale: Adrenalead, specialised in web‑push martech, acquired Outpush, a web‑push ad network with roughly 3,000 publisher clients, around 300 advertisers and some 40 billion notifications served per month.

The deal fuses martech‑style messaging (opt‑in browser subscribers, automation) with adtech‑scale inventory, effectively turning browser notifications into a measurable, remarketing‑friendly medium in the EU.

Yassir → Kawarizmi (announced mid‑March 2026)

• Deal size: Terms undisclosed; regional reports note that financial details were not made public.
• Geography: Yassir is a North African super app with operations and user bases across Algeria and other markets; Kawarizmi is a Paris‑based programmatic adtech group with offices in Paris, Abidjan and Dakar and partnerships spanning Google, Meta, TikTok and Snapchat.
• Strategic rationale: By acquiring Kawarizmi, Yassir is explicitly building a retail media network powered by first‑party data from ride‑hailing, delivery, payments and now physical retail, aiming to offer closed‑loop attribution from ad impression to in‑app purchase. 

For European and MENA advertisers, that’s a homegrown alternative to global walled gardens, blending EU‑adjacent programmatic expertise with super‑app data.

Mindgruve → Ameo (completed January 2026)

• Deal size: Not disclosed in the deal announcement.
• Geography: Mindgruve is headquartered in San Diego; Ameo is based in Hamburg, Germany, operating in the EU’s largest retail market.
• Strategic rationale: Mindgruve’s acquisition of Ameo is about deepening its retail media and Amazon Marketing Cloud capabilities for brands operating in Germany and Europe. As advertisers shift budget into retail‑owned inventory, having a European analytics and activation hub on the ground is less “nice to have” and more a survival strategy.

Influencer and Creator Clouds

Kolsquare → Storyclash (announced January 19–20, 2026)

• Deal size: Not publicly disclosed; announcements focus on strategic impact rather than price.
• Geography: Kolsquare is Paris‑based; Storyclash is headquartered in Linz, Austria, with strong coverage across the DACH region.
• Strategic rationale: Kolsquare’s acquisition of Storyclash follows earlier deals for Woomio in the Nordics and Inflead in Italy, and is marketed as creating “the leading Influencer Marketing Technology in Europe.” 

Strategically, this is a land‑grab for measurement and workflow around creator campaigns: who to work with, what performs, and how to roll influencer content into wider martech stacks, on a distinctly European data and compliance footing.

Boksi.com → the influencer GmbH (announced early 2026)

• Deal size: Not disclosed.
• Geography: Boksi.com is based in Helsinki; the influencer GmbH is headquartered in Germany and focused on the DACH market.
• Strategic rationale: The deal gives Boksi a stronger German and Central European footprint, combining its content sourcing platform with local influencer relationships and campaign operations. 

Practically, it’s another piece of the same puzzle Kolsquare is chasing: treat influencer marketing not as a black box but as a measurable, data‑backed channel plugged into CRM, attribution and content workflows.

Sport, Culture and Measurement: Marketing’s New Premium Inventory

Publicis Groupe → AdgeAI (announced March 12, 2026)

• Deal size: Not disclosed in the official release.
• Geography: Publicis is Paris‑based; AdgeAI is US‑based but serves global brands across digital channels.
• Strategic rationale: Publicis positions AdgeAI as an “industry‑leading measurement and content intelligence company” that predicts which ad creatives will perform before campaigns go live, using AI to bridge creative decisions and outcome data. 

Combined with its AI production platform and Epsilon data assets, this is a classic “closed‑loop creative” move, connecting content, audiences and performance in one predictive stack.

Publicis Groupe → 160over90 (definitive agreement announced April 2026)

• Deal size: Widely reported at more than 500 million dollars, though official terms remain undisclosed.
• Geography: 160over90 operates across the US, UK, Europe, the Middle East, Africa and Asia‑Pacific, with more than 670 employees and major global sports clients; Publicis is headquartered in Paris.
• Strategic rationale: Publicis calls sports its “next big bet,” and is folding 160over90 into Publicis Sports to create a data‑driven sports and culture platform powered by Epsilon identity, creator assets from Influential and its media scale. 

For marketers, this is about turning live sports and cultural moments, where audiences are increasingly congregating, into measurable, AI‑enhanced campaigns that can finally be stitched into the same performance dashboards as search, social and retail media.

What Broad Trends this Slate Reveals

Across these deals, a few clear patterns emerge:

• First‑party and collaborative data are non‑negotiable. 

From LiveRamp’s data collaboration network to Windsor.ai’s multi‑source attribution and Kompass’ B2B graph, the most aggressive buyers are chasing the ability to link datasets in privacy‑safe ways, not just to buy one more DSP or email platform. That aligns neatly with the EU’s regulatory trajectory, where the DMA and GDPR make opaque audience construction harder and transparent data co‑creation more valuable.

• Vertical martech stacks are quietly consolidating. 

Infomedia–Veact in automotive aftersales, Mindgruve–Ameo in retail media and Amazon Marketing Cloud, and Yassir–Kawarizmi around retail super‑apps all illustrate a move away from generic platforms toward end‑to‑end, verticalised solutions. In each case, the buyer isn’t just adding a tool; it’s locking in a category‑specific data and activation layer that competitors will now have to match or partner with.

• Europe wants its own influencer and sports “OS”, not just US platforms. 

Kolsquare, Boksi and Publicis’ string of acquisitions around Influential and 160over90 show a clear appetite to own the infrastructure behind creator and sports marketing, including measurement, workflow and identity, rather than outsourcing it wholesale to global social platforms and fragmented local agencies. That repositions influencer and sports spend as data‑rich, plannable channels that sit inside the martech stack instead of orbiting around it.

• Agentic, AI‑native engagement is shifting from experiment to architecture. 

MoEngage–Aampe and Dotdigital–Alia are emblematic here: both deal narratives emphasise AI agents deciding what to say, when, and on which channel, and AI powering on‑site conversion and list‑growth. Marketers are not just buying triggers; they’re buying decision engines to orchestrate touchpoints across apps, web and messaging at a scale that human campaign managers cannot realistically sustain.

What’s Likely Next

If this H1 2026 deal slate is any indication, the rest of the year is unlikely to be quiet. Analysts already point to continued strength in global M&A and growing fragmentation in adtech and sports marketing, which is exactly the kind of environment holding companies and specialist platforms exploit with further consolidation. Expect more:

• Data‑layer and identity deals as EU‑centric players race to meet DMA obligations while still offering cross‑channel measurement and targeting that feels “magical” rather than constrained.
• Vertical martech M&A in sectors where first‑party data and aftersales are strategic (automotive, retail, travel), echoing the Infomedia–Veact pattern in other regulated or high‑lifetime‑value markets.
• Creator and retail‑media infrastructure roll‑ups as European and adjacent platforms try to knit together influencer clouds, retail media networks and sports sponsorships into measurable, AI‑enhanced packages for global brands.

For our readers, the real takeaway is not that “tools are being bought”, that’s the industry’s constant background noise, but that Europe’s marketing stack is being quietly refactored into a set of data‑rich, AI‑ready platforms that will increasingly define what “competitive advantage” means. 

The question for providers and brands is simple: in the next acquisition wave, will you be the consolidator, the acquired, or the data source both sides are fighting to plug into?

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