Amsterdam-based Stacks, which builds AI software to automate accounting workflows, raised a $23M Series A led by Lightspeed, after a €10M seed in 2025 Axios 2026-02-20 Ryan Lawler AI, Lightspeed, Stacks Related Coverage Agentic finance automation startup Stacks raises $23M in funding SiliconANGLE · Mike Wheatley Lightspeed leads $23M investment in AI startup for accounting departments Stacks Tech.eu · John Reynolds Enterprise finance platform Stacks raises €19 million to streamline reporting and month-end workflows EU-Startups · David Cendon Garcia Stacks Raises $23M in Series A Funding FinSMEs Agentic finance platform Stacks raises £17m UKTN · Oscar Hornstein