Onshore Raises $31 Million in Series B
Onshore (formerly SPRX), a New York–based AI-powered tax platform, has raised $31 million in Series B funding, bringing its total funding to $46 million.
The round was led by FPV Ventures, with participation from Vertex Ventures, ADP Ventures, Y Combinator, and Restive Ventures.
FPV Ventures is a mission-driven venture capital firm managing nearly $1 billion in assets. Founded in 2022, it invests in early- to growth-stage startups building long-term, enduring businesses, with a focus on AI and frontier tech, enterprise software, and healthtech.
The company will use the funding to expand its platform into additional U.S. tax and accounting domains, enhance AI-driven workflows, and scale operations.
Founded in 2020, Onshore (formerly SPRX) is an AI-powered tax platform that combines intelligent automation with expert oversight to help businesses unlock, optimize, and defend complex incentives, including the R&D Tax Credit, 179D Deduction, and Cost Segregation studies. Headquartered in New York, Onshore serves over 500 companies across the technology, energy, manufacturing, architecture, and agriculture sectors.
Funding Details
Company: Onshore (formerly SPRX)
Raised: $31.0M
Round: Series B
Funding Date: February 2026
Lead Investor: FPV Ventures
Additional Investors: Vertex Ventures, ADP Ventures, Y Combinator, Restive Ventures
Company Website: https://www.onshore.com
Software Category: Fintech / Tax & Accounting Automation