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Monday, March 2nd, 2026 – 3:00 am
In a strategic move to differentiate itself in an increasingly competitive ad tech landscape, Onetag, a global ad exchange and curation platform, announced its acquisition of Aryel, an innovative Italian creative ad tech company specializing in interactive advertising. This acquisition, finalized on Monday, March 2nd, 2026, is poised to significantly bolster Onetag’s sell-side curation capabilities, providing its platform with advanced tools for creative optimization and interactive ad experiences. The integration is also expected to accelerate the development of Onetag’s forthcoming AI-based deal optimization engine, slated for release at the end of March.
The pressure on Supply-Side Platforms (SSPs) to move beyond being mere "interchangeable pipes" has intensified with the widespread adoption of supply-path optimization strategies. Advertisers and agencies are increasingly scrutinizing every node in the ad supply chain, demanding greater transparency, efficiency, and demonstrable value. This market dynamic has spurred a wave of innovation on the sell-side, with companies like Onetag actively seeking ways to offer more sophisticated solutions that go beyond standard ad serving. The trend towards sell-side curation, which emerged over the past few years, is a direct response to this need, aiming to provide publishers and advertisers with greater control over ad quality, targeting, and monetization. Onetag’s acquisition of Aryel is a clear testament to this strategic imperative, signaling a commitment to embedding creative innovation directly into its curation offering.
Onetag’s Evolution and the Drive for Differentiation
Headquartered in Italy, Onetag’s journey in the digital advertising ecosystem is marked by a strategic evolution. Initially launched as a Demand-Side Platform (DSP) in 2015, the company pivoted to build a performance-focused SSP tailored for a major client, Procter & Gamble. This in-house development experience proved invaluable, leading to the global expansion of its SSP platform in 2020. Recognizing the commoditization threat facing many SSPs, Onetag launched its proprietary sell-side curation platform, Smart Curation, in 2022. This initiative was designed to empower publishers and advertisers to create more tailored and efficient programmatic deals, moving away from a purely auction-driven model towards curated marketplaces.
Filippo Gramigna, co-CEO of Onetag, articulated the company’s rationale behind the acquisition, stating that the curation market has become saturated with "non-differentiated middlemen." He emphasized that the most effective way to stand out in this crowded space is by simplifying the process of adopting curation for advertisers of all sizes and enabling them to easily create their own deal IDs. This is where Aryel’s technology becomes a critical asset. Aryel’s platform specializes in adapting existing creative assets to programmatic formats, seamlessly reformatting them to meet IAB standard banner sizes and online video specifications. This capability directly addresses a key bottleneck in programmatic advertising: the often cumbersome and time-consuming process of preparing creative for various ad units and platforms.
The Power of Interactive Creative in Curated Environments
Aryel’s expertise extends beyond simple reformatting to the realm of interactive creative. This specialization is a significant complement to Onetag’s existing curated marketplace, which boasts an impressive inventory of 50,000 high-impact ad units sourced through over 2,000 direct-to-publisher connections. The synergy between Onetag’s curated inventory and Aryel’s interactive creative capabilities promises to unlock new levels of advertising effectiveness.
"Placing interactive ads within already high-performing ad slots should make those placements even more effective at driving outcomes," Gramigna explained. Interactive ad formats, such as Aryel’s "try it on" feature for apparel and accessories brands, offer immersive brand experiences that can significantly boost engagement and conversion rates. For instance, an eyewear brand could leverage this technology to allow potential customers to virtually try on different frames using their device’s camera. Crucially, this interactive experience is contained within a standard IAB banner, allowing users to engage without leaving the publisher’s website, thus minimizing friction and maximizing the potential for a positive brand interaction.
Furthermore, Aryel has been actively exploring interactive formats for AI chatbot interfaces. This forward-thinking development aligns perfectly with Onetag’s vision for the future of programmatic advertising, where AI-driven interactions will likely play a more prominent role. By integrating Aryel’s capabilities, Onetag aims to tap into emerging advertising opportunities on these nascent platforms, positioning itself at the forefront of conversational commerce and advertising. The potential for rich, interactive ad experiences within chatbot conversations represents a significant frontier for advertisers seeking to connect with consumers in more personalized and engaging ways.
Strategic Growth and Market Expansion
The relationship between Onetag and Aryel began approximately 18 months prior to the acquisition, with the success of their initial collaboration paving the way for the current deal. This marks Onetag’s first-ever acquisition, a significant milestone in its growth trajectory. While the financial terms of the acquisition were not disclosed, Gramigna confirmed that the deal is complete and that the combined entity generated $70 million in net revenue based on the previous year’s performance.
The acquisition brings Aryel’s entire team of 45 employees into Onetag, expanding the total headcount to approximately 130. Notably, Aryel’s four co-founders have been integrated into Onetag’s leadership team. Mattia Salvi, Aryel’s CEO, will assume the role of Chief Growth Officer and Head of Go-to-Market at Onetag, bringing his expertise in scaling creative ad tech businesses to the combined organization.
The immediate priority for Onetag is the seamless integration of the two companies’ cultures and workflows. Gramigna expressed optimism regarding this process, citing the geographical proximity of Aryel’s base to Onetag’s tech hub in Tuscany, which should facilitate collaboration and knowledge sharing.
Looking ahead, Onetag’s long-term strategy involves solidifying its presence in the European market and subsequently expanding its footprint in the United States. Currently, the company maintains a small office in New York to service its US publisher clients. This planned expansion reflects a growing ambition to capture a larger share of the North American programmatic advertising market.
Diversification into CTV and Enhanced Buy-Side Relationships
Onetag also plans to broaden its curation offering beyond display and online video advertising this year. The company has demonstrated significant growth, achieving a 34% increase in net ad revenue last year even without a dedicated Connected TV (CTV) business. The strategic integration of CTV advertising is anticipated to unlock substantial incremental growth opportunities, capitalizing on the rapidly expanding CTV market. As viewership shifts increasingly towards streaming platforms, advertisers are reallocating significant budgets to CTV, making it an essential channel for any programmatic player seeking continued expansion.
The acquisition of Aryel has also provided an immediate boost to Onetag’s client base on the buy-side. Gramigna highlighted that there was minimal overlap in the client portfolios of the two companies, meaning that Aryel’s existing relationships with brands and Chief Marketing Officers (CMOs) can now be leveraged by Onetag.
"That’s another element of why we decided to do this deal," Gramigna stated. "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 synergy is crucial for Onetag as it navigates the complex landscape of agency relationships. By demonstrating innovative creative solutions that resonate directly with brands, Onetag can strengthen its appeal to media agencies, who are often the primary intermediaries in programmatic media buying. The ability to offer not just efficient media delivery but also engaging creative experiences that drive measurable outcomes is becoming a key differentiator in securing agency partnerships and, by extension, larger media investments.
Broader Implications for the Ad Tech Ecosystem
The Onetag-Aryel merger underscores several key trends shaping the ad tech industry in 2026. Firstly, it highlights the increasing importance of creative innovation as a differentiator for platforms that might otherwise be perceived as commoditized. In an era of programmatic efficiency, the quality and impact of the ad creative itself are becoming paramount for achieving campaign objectives.
Secondly, the acquisition reinforces the strategic value of specialized technology. Aryel’s niche expertise in interactive creative and its adaptability to emerging formats like AI chatbots represent a significant technological asset that Onetag can leverage to expand its service offerings and enter new market segments.
Thirdly, the move signifies a continued consolidation and strategic investment within the sell-side. As SSPs and ad exchanges vie for market share, acquisitions that enhance their core offerings, expand their reach, or bring in valuable intellectual property are likely to become more common. Onetag’s ambition to integrate creative capabilities directly into its curation platform positions it as a more comprehensive solution provider, capable of addressing a wider range of advertiser needs.
Finally, the emphasis on AI-driven optimization signals the industry’s ongoing embrace of artificial intelligence as a critical driver of efficiency and effectiveness. Onetag’s plan to integrate Aryel’s creative data into its new AI engine suggests a data-centric approach to enhancing programmatic deals, aiming to optimize not just the placement but also the creative performance within those placements. This holistic approach to optimization, encompassing both media and creative, is likely to be a key determinant of success in the evolving programmatic landscape. The integration of these capabilities is expected to provide Onetag’s clients with a more sophisticated and effective way to engage audiences and achieve their marketing goals in an increasingly complex digital advertising environment.
