Fifteenth
Personal taxes made simple.
San Francisco, United States · Founded 2024 · $8.3M raised
- Headquarters
- San Francisco, California
- Employees
- 1–10
- Founded
- 2024
- Business Model
- B2C
- Website
- fifteenth.com
- Total Funding
- $8.3M
- Last Round
- $8.3M SeedFeb 2025
- Rounds
- 1
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 1 funding round and 2 investors for this company. The full record is or through the API.
About
Fifteenth combines tax expertise from Big Four and elite firms with a fully integrated, AI-powered platform for personal tax planning and filing. The company serves over 1,000 professionals at leading companies and specializes in equity compensation and complex tax situations. Annual tax preparation and filing, year-round planning, and equity advisory are included in a personalized plan with a flat annual fee. The AI platform works alongside the tax team to scan for thousands of potential issues, delivering precise returns, proactive planning, and complete visibility.
Summary
Fifteenth is a Financial Services company based in San Francisco, United States, founded in 2024. It has raised $8.3M in total across 1 round, most recently a $8.3M Seed round in Feb 2025. Investors include General Catalyst and SV Angel.
Tech & App Stack
8 technologies & apps tracked
Every product and vendor across these categories, with where each signal came from.
Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.
Funding History
Feb 2025
Investors
Similar Companies
Du Xiaoman is a Chinese fintech company offering online credit, mobile wallet, payment, and wealt...
Global fintech company operating Alipay and providing digital payment, wealth management, insuran...
Robinhood provides retail brokerage, crypto, advisory, banking, and private-markets access throug...
Sixth Street is a global investment firm managing over $130 billion in assets, focused on special...
Appears in
Your company? Embed this profile
Add the live badge to your site — it stays current as your funding data updates.
<a href="https://indexed.vc/companies/fifteenth"><img src="https://indexed.vc/api/badge/company/fifteenth" alt="Fifteenth on Indexed.vc" width="260" height="76" /></a>