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Based in San Francisco, California, Fifteenth develops an AI-powered tax platform that combines expert certified public accountant advice with automated software to streamline complex personal tax planning and filing. The company specifically targets high-earning technology professionals, serving founders, investors, and corporate executives at organizations such as Nvidia and Rippling. The platform handles nuanced financial scenarios including equity compensation, liquidity events, and partnership income through a flat-fee subscription model starting at $1,000 per year. Fifteenth has raised $8.25 million in seed funding from lead investors including A*, General Catalyst, and SV Angel. The software integrates directly with external brokerages and payroll systems, helping users save an average of $10,000 to $20,000 on their annual tax liabilities. The enterprise was originally known as Haven and was founded by former technology executives Ankur Dahiya and Laura Moreno.
Fifteenth has raised $8.0M across 1 funding round.
Fifteenth has raised $8.0M in total across 1 funding round.
Fifteenth is a San Francisco-based technology company offering an AI-powered tax platform tailored for founders, investors, executives, and tech professionals with complex financial situations, such as equity compensation (ISOs, RSUs, NSOs), liquidity events (IPOs, acquisitions), partnership income (K-1s), and stock trading.[1][2][4] It serves high-earning individuals from companies like Nvidia, Rippling, and Figma, solving pain points in traditional tax prep—manual data entry, email chaos, and high fees—through one-click integrations (e.g., Workday, Rippling, Robinhood, Carta), AI-driven document organization, scenario modeling, and year-round CPA support at flat fees starting at $1,000 annually.[2][4][5] Clients have saved $10,000–$20,000 on average, with some up to $100,000 via optimized strategies, and the company recently raised $8.25M in seed funding led by A* and General Catalyst.[1][2][4]
Fifteenth was founded by CEO Ankur Dahiya, a second-time entrepreneur with leadership experience at Rippling, Flexport, X (formerly Twitter), and Meta; his prior startup, RunX (a cloud infrastructure tool for developers), was acquired by Rippling.[1][2] Co-founder and Chief Tax Officer Laura Moreno, a CPA, brings expertise from PwC, a billion-dollar family office, and leading Carta's tax advisory team, specializing in high-net-worth clients.[1][2] The idea emerged from Dahiya's recognition of outdated tax processes amid booming equity-heavy compensation in tech; the company launched as Haven Tax before rebranding to Fifteenth in early 2025, securing $8.25M seed funding in February 2025 to scale AI workflows.[1][2][4]
Fifteenth rides the wave of AI automation in fintech and the explosion of equity compensation in tech, where founders, VCs, and employees face increasingly complex taxes amid frequent IPOs, M&A, and stock volatility.[1][2] Timing aligns with post-2020 tech wealth creation and AI's maturity for secure data handling, disrupting a stagnant CPA industry unchanged for decades.[1][4] Market forces like remote work, crypto/stock trading, and K-1 proliferation from VC deals favor its integrations and modeling; it influences the ecosystem by normalizing proactive tax planning, enabling tech pros to focus on innovation rather than April 15th stress, and attracting VC backing from A* and General Catalyst.[2][4]
Fifteenth is positioned to capture a slice of the $15B+ U.S. tax prep market by scaling AI for hyper-personalized, always-on services amid rising tech wealth complexity.[2] Next steps likely include platform expansions (e.g., more integrations, advanced AI predictions) and client growth beyond seed stage, fueled by its $8.25M raise.[1][4] Trends like AI regulation, equity tax reforms, and embedded finance will shape it—potentially evolving into a full wealth management hub—while its tech-founder roots ensure influence in startup tax optimization, making April 15th truly "just another day."[1][5]
Fifteenth has raised $8.0M across 1 funding round. Most recently, it raised $8.0M Seed in February 2025.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| Feb 1, 2025 | $8M Seed | A Capital | 01 Advisors, 20VC, Accel, AirAngels, Coinbase Ventures, FJ Labs, Jude Gomila Rolling Fund, Maverick Capital, Sequoia Capital, Y Combinator, Aston Motes, Bobby Goodlatte, Charlie Cheever, Christina Cacioppo, Claire Hughes Johnson, Dylan Field, Immad Akhund, Jeff Chang, Julia Dewahl, Koen BOK, Lauren Loktev, Marc Mccabe, Robert Gentz, Stewart Butterfield, Tikhon Bernstam | Announced |
Fifteenth has raised $8.0M in total across 1 funding round.
Fifteenth's investors include A Capital, 01 Advisors, 20VC, Accel, AirAngels, Coinbase Ventures, FJ Labs, Jude Gomila Rolling Fund, Maverick Capital, Sequoia Capital, Y Combinator, Aston Motes.
