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Monday, March 2nd, 2026 – 3:00 am
In a strategic move to bolster its competitive edge in the increasingly complex programmatic advertising landscape, Italian ad tech firm Onetag announced today its acquisition of Aryel, a pioneering creative ad tech platform also based in Italy. This acquisition marks Onetag’s first-ever M&A activity and is poised to significantly enhance its sell-side curation capabilities, introduce advanced interactive ad formats, and fuel the development of its forthcoming AI-based deal optimization engine. The transaction underscores a broader industry trend where Supply-Side Platforms (SSPs) are under immense pressure to transcend their role as mere transactional conduits and demonstrate tangible value to publishers and advertisers alike.
The drive for differentiation has been a key catalyst behind the burgeoning sell-side curation trend over the past few years. Publishers and SSPs are increasingly recognizing the need to offer more than just access to inventory; they are focusing on delivering curated, high-quality advertising experiences that drive demonstrable outcomes. Onetag’s acquisition of Aryel is a direct manifestation of this strategy, aiming to equip Onetag’s existing curation solution, "Smart Curation," with innovative tools for crafting, testing, and deploying engaging interactive ad creative. These enhanced capabilities are also earmarked to play a crucial role in training Onetag’s new AI-based deal optimization engine, slated for release at the end of March.
The Strategic Imperative for Sell-Side Differentiation
The digital advertising ecosystem, particularly the programmatic sector, has been characterized by intense competition and a constant quest for efficiency and effectiveness. As supply-path optimization (SPO) gains traction, advertisers and agencies are scrutinizing every touchpoint in the ad supply chain, seeking to reduce intermediaries and maximize the value of their ad spend. This has placed considerable pressure on SSPs, many of whom risk being perceived as commoditized infrastructure.
Filippo Gramigna, co-CEO of Onetag, articulated this challenge, noting that the curation market has become “crowded with non-differentiated middlemen.” He believes the most effective way for platforms to distinguish themselves in this increasingly saturated environment is by simplifying the adoption of curation strategies for advertisers of all sizes and empowering them to create their own deal IDs. This democratizes access to premium inventory and allows for more tailored campaign execution.
Aryel’s Interactive Creative Expertise: A Game-Changer for Onetag
Aryel’s core strength lies in its ability to adapt and reformat existing creative assets into dynamic, programmatic-ready formats. The platform specializes in transforming static creatives to comply with IAB standard banner sizes and online video specifications, a crucial step in ensuring seamless integration within programmatic workflows. More significantly, Aryel excels in developing interactive creative experiences. This expertise is precisely what Onetag sought to integrate into its offerings.
Onetag, headquartered in Italy, operates as a global ad exchange and curation platform. Its journey began in 2015 as a Demand-Side Platform (DSP), before pivoting to build a performance-focused SSP for Procter & Gamble. This platform was subsequently expanded globally in 2020, leading to the launch of its specialized sell-side curation platform, Smart Curation, in 2022.
The integration of Aryel’s technology is expected to significantly enhance Onetag’s curated marketplace, which currently comprises 50,000 high-impact ad units sourced through over 2,000 direct-to-publisher connections. By infusing these premium ad slots with Aryel’s interactive capabilities, Onetag aims to elevate campaign performance and drive superior outcomes for advertisers.
Gramigna elaborated on the potential impact: "Placing interactive ads within already high-performing ad slots should make those placements even more effective at driving outcomes." He cited an example of Aryel’s “try it on” creative format, which is particularly effective for apparel and accessories brands. An eyewear company, for instance, could leverage this technology to allow potential customers to virtually try on different frames using their device’s camera. Crucially, this interactive experience occurs entirely within a standard IAB banner, allowing users to engage without leaving the publisher’s website, thereby maintaining user flow and engagement.
Furthermore, Aryel has been actively experimenting with interactive formats tailored for AI chatbot interfaces. This forward-looking development positions Onetag to tap into emerging advertising opportunities on nascent platforms that leverage conversational AI, an area poised for significant growth in the coming years.
A Strategic Partnership Culminates in Acquisition
The relationship between Onetag and Aryel predates the acquisition. The two companies began collaborating approximately 18 months prior to the deal. The positive outcomes and synergy observed during this partnership period ultimately paved the way for Onetag, with the backing of its largest shareholder, Wise Equity, to pursue the acquisition.
While specific financial details of the transaction were not disclosed, Gramigna confirmed the acquisition’s completion. He stated that the combined entity generated approximately $70 million in net revenue based on the previous year’s figures. This financial robustness provides a solid foundation for future growth and integration efforts.
The acquisition extends beyond technology and intellectual property. Onetag will integrate Aryel’s entire workforce of 45 employees, expanding the combined company’s headcount to around 130 professionals. The four co-founders of Aryel will assume key leadership roles within Onetag. Notably, Aryel CEO Mattia Salvi will take on the newly created position of Chief Growth Officer and Head of Go-to-Market, signaling a strong focus on market expansion and commercial strategy.
Cultural Integration and Future Growth Trajectories
The geographical proximity of the two companies, with Aryel located about an hour’s drive from Onetag’s tech hub in Tuscany, is expected to facilitate a smoother cultural and operational integration. Gramigna expressed confidence that merging their respective workflows and company cultures will be a relatively straightforward process, minimizing potential friction and accelerating the realization of synergies.
Looking ahead, Onetag has outlined a clear go-to-market strategy. The immediate priority is to consolidate and fortify its existing market position within Europe. Concurrently, the company aims to significantly expand its presence in the United States. Currently, Onetag maintains a modest office in New York to service its US publisher clients, but the long-term vision involves establishing a more substantial footprint to capture greater market share in North America.
Expanding Horizons: CTV and US Market Penetration
Onetag’s growth ambitions extend to its product offerings as well. The company plans to broaden its curation services this year to encompass more than just display and online video advertising. Despite not having a dedicated Connected TV (CTV) business unit, Onetag demonstrated impressive organic growth, achieving a 34% increase in net ad revenue last year. The strategic embrace of CTV is anticipated to unlock substantial incremental growth opportunities, tapping into the rapidly expanding premium video advertising market.
The acquisition of Aryel also brings strategic advantages on the client front. Gramigna highlighted that the two companies had minimal overlap in their existing client portfolios. This lack of overlap means the acquisition has already contributed to strengthening Onetag’s client base on the buy-side, reducing the risk of client churn and opening avenues for cross-selling opportunities.
"That’s another element of why we decided to do this deal," Gramigna remarked. "The fact that they’ve been able to get the brands and the CMOs they typically talk to excited about working in programmatic thanks to these formats helps the narrative when it comes to our relationship with media agencies." This suggests that Aryel’s innovative creative solutions have proven effective in engaging brand marketers, a valuable asset for Onetag as it navigates its relationships with media agencies, who are key gatekeepers to advertiser budgets.
Broader Industry Implications and Analysis
The Onetag-Aryel deal is emblematic of a critical juncture in the programmatic advertising industry. As the focus shifts from mere reach to demonstrable impact and advertiser experience, companies that can offer integrated solutions encompassing data, creative, and optimized delivery will gain a significant competitive advantage.
For SSPs, the acquisition highlights the imperative to evolve beyond traditional ad serving. Investments in creative technology, data analytics, and AI-driven optimization are no longer optional but essential for survival and growth. The ability to provide publishers with tools to monetize their inventory more effectively, while simultaneously offering advertisers more engaging and measurable campaign opportunities, will be the hallmark of successful platforms in the coming years.
The integration of interactive creative, as championed by Aryel, addresses a growing demand for richer ad experiences that can capture audience attention and drive higher engagement rates. In an era of ad fatigue, formats that allow for user participation and personalization are likely to see increased adoption.
Onetag’s strategic expansion into the US market, coupled with its planned foray into CTV, signals an ambitious growth agenda. The success of these initiatives will depend not only on technological integration but also on effective market penetration and building strong relationships with key industry players in North America.
The acquisition also underscores the ongoing consolidation within the ad tech sector. As companies seek scale and complementary capabilities, M&A activity is likely to continue, reshaping the competitive landscape. Onetag’s move, backed by a significant investor like Wise Equity, demonstrates a strategic commitment to inorganic growth as a means to accelerate its market position and technological advancement. The combined entity is well-positioned to compete more effectively in a global market that increasingly values sophisticated, end-to-end advertising solutions.
