The Spanish-Argentinian startup Centinel, founded by Tomás Clark (ex-McKinsey & Company), Alan Donaldson (ex-Amazon), and Tomás Piaggio (from the Google Developer Experts network), has just announced the closing of a pre-seed round with participation from leading investors such as Boost Capital Partners, Lanai VC, and Abac Capital, as well as a couple of highly प्रतिष्ठed business angels who are recognized founders within the European tech ecosystem.
Centinel’s disruption in the entrepreneurship and innovation landscape lies in being the first Spanish platform to develop AI for accounting with an exclusive focus on large enterprises and a global market ambition. In the words of Tomás Clark, “the sector is receiving hundreds of millions of dollars in investment in the United States through startups such as Rillet, Campfire, or Maxima, and a similar wave of consolidation is expected in Europe in the coming years, where we aim to position ourselves as leaders of that movement.”
Centinel is built around a human-AI collaboration model, integrating with a company’s core systems—ERP, banking, and procurement systems—and learning how each accounting team operates. From there, AI agents automate the most time-consuming tasks in the financial close: invoice posting, purchase orders, provisions, bank reconciliation, and audit processes. At this point, it could be said that the platform executes while the team reviews and approves. “The result is an accounting cycle that previously required hundreds of hours per month and that, with Centinel, is reduced by between 80% and 90% of that effort,” notes Donaldson. “And not only that: when volumes are high and time is scarce, errors are inevitable. Centinel adds a layer of continuous auditing that ensures nothing slips through before closing,” said Alan Donaldson.
Pablo Morenes, partner at Boost Capital Partners, explains their investment thesis: “We believe AI has already proven its ability to execute repetitive accounting-context tasks with high accuracy. Centinel brings that capability into a critical layer of the financial back office: it automates time-intensive processes and enables faster, more analytical accounting teams focused on value-added activities.”
Just two months after its public launch, Centinel already has clients in Spain and France, including unicorns and private equity-backed companies, while also supporting these firms’ subsidiaries in the United States and Latin America
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