# Fifteenth

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/fifteenth

- Industry: Software
- Headquarters: San Francisco, US
- Website: www.fifteenth.com
- Total disclosed funding: $8.3M
- Latest round: Seed (Feb 10, 2025)
- Investors on record: 3

## About

Fifteenth specializes in providing tax advisory services to individuals with complex financial situations, focusing on high-net-worth clients, investors, and tech professionals to manage their unique tax obligations effectively.Fifteenth operates as a tax advisory firm that simplifies personal tax situations for individual clients. Founded in San Francisco, US, the company has made strides in refining its service offerings since inception. The founder has a history in tax consulting and financial services, though specific previous ventures are not detailed. The company raised USD 8.25 mn in Seed funding on February 10, 2025, co-led by A-Star Partners and General Catalyst Partners, with participation from SV Angel, contributing to a total amount raised of USD 8.25 mn.Fifteenth offers a comprehensive suite of tax advisory services designed to simplify complex personal tax situations for individual clients, particularly those with unique financial portfolios such as investors and tech professionals. Their core services include year-round tax planning, advisory consultations, and filing services, all supported by a dedicated team of CPAs and tax experts. By utilizing advanced technology, such as Taxcasting, Fifteenth extracts relevant information from client-uploaded documents, allowing for a streamlined overview of tax obligations and proactive strategy adjustments throughout the year. The company targets high-net-worth individuals, tech employees with vested stock options, and investors managing multiple K-1s across various states, ensuring coverage for clients' diverse tax needs. Fifteenth operates primarily in the United States, catering to clients seeking a hands-on approach to tax management without the burden of traditional tax preparation challenges.Fifteenth operates on a subscription-based revenue model, offering personalized pricing that reflects the complexity of each client's tax situation. Clients pay a flat fee that encompasses all services, including scenario planning, ongoing advisory, and tax filing, thereby eliminating surprise fees at the point of filing. For example, an investor managing multiple K-1s may engage with Fifteenth for a comprehensive service package costing approximately USD 3,000 per year, while a tech professional with incentive stock options might incur fees around USD 1,000 annually. This structure allows clients to connect with their dedicated tax experts at any time, ensuring continuous support and tailored strategic advice throughout the year. The firm's commitment to data security and seamless communication further enhances its appeal to clients looking for reliable tax management solutions.In February 2025, Fifteenth raised USD 8.25 million in Seed funding to support the development of its business and accelerate its operations. The company is focused on expanding its service offerings and enhancing its technology for better client engagement. Future plans include the launch of new tax management tools designed to further streamline the client experience, with specific product release dates to be announced. Additionally, Fifteenth aims to expand its reach into new geographic markets, targeting clients in major financial hubs across the US by the end of 2026.

## Funding rounds

- Seed, Feb 10, 2025, $8.3M — General Catalyst Partners, SV Angel, A-Star Partners

## Investors

- General Catalyst Partners (https://capitalatlas.ai/funds/general-catalyst-partners) — Seed
- SV Angel (https://capitalatlas.ai/funds/sv-angel) — Seed
- A-Star Partners (https://capitalatlas.ai/funds/a-star-partners) — Seed