HomeFinance & EconomicsStartups & Venture CapitalWhat is Series A/B/C?
Finance & Economics·2 min·Updated Mar 11, 2026

What is Series A/B/C?

Series A/B/C Funding Rounds

Quick Answer

Series A, B, and C are stages of funding that startups go through as they grow. Each round represents a different phase in a company's development and typically involves raising capital from investors to expand operations.

Overview

Series A, B, and C funding rounds are essential steps for startups seeking to grow and scale their businesses. In a Series A round, a startup typically raises its first significant amount of capital to develop its product and establish a market presence. Investors at this stage are often venture capital firms looking for companies with a solid business model and growth potential. As the company progresses, it may enter Series B funding, where it usually raises more substantial amounts to expand its market reach and improve its product. This stage often involves scaling operations, hiring more staff, and increasing marketing efforts. An example of a company that successfully navigated Series B funding is Airbnb, which used the capital to enhance its platform and grow its user base significantly. Finally, Series C funding is aimed at mature companies looking to expand further, enter new markets, or even prepare for an IPO. This round can involve larger amounts of investment from venture capitalists, private equity firms, and sometimes hedge funds. Companies like Uber have utilized Series C funding to solidify their market position and expand internationally.


Frequently Asked Questions

The main difference lies in the stage of the company's growth and the amount of capital raised. Series A focuses on early-stage development, Series B is about scaling operations, and Series C is for mature companies looking to expand further.
Investors in these rounds typically include venture capital firms, angel investors, and sometimes private equity firms. Each type of investor looks for different growth potential and risk levels depending on the funding stage.
Startups assess their business needs, growth plans, and market conditions to determine the amount to raise. They also consider their valuation and the interest from potential investors to set a suitable target for each round.