Guide to Series A & Series B Funding Rounds

photo of jan strandberg
Jan Strandberg
April 26, 2023
5 min read

The startup funding landscape can be both exciting and perplexing, particularly for those trying to grasp the purpose and structure of various funding rounds. In this in-depth guide, we will explore the essentials of startup funding rounds, with a focus on Series A and Series B, to help you better understand this vital aspect of the entrepreneurial experience.

An Overview of Series A Funding

Series A funding is typically the first substantial investment a startup receives following its initial seed or pre-seed funding. This round is intended to assist the company in scaling its operations, recruiting talent, and enhancing its products or services. The following are some crucial aspects of Series A funding:

  • Size: Series A rounds generally range from $2 million to $15 million, depending on factors such as industry, market size, and growth potential.
  • Investors: Series A investors usually comprise venture capital firms, angel investors, and occasionally strategic corporate investors.
  • Valuation: During the Series A round, the startup's valuation is established based on aspects such as revenue, growth trajectory, team experience, and market potential.
  • Equity: In return for their investment, Series A investors acquire preferred shares of the company, which come with specific rights and protections.

The Purpose of a Funding Round

A funding round fulfills several objectives for a startup:

  • Capital infusion: Funding rounds supply startups with the necessary capital to grow and scale their operations, enabling further development of their products or services.
  • Validation: A successful funding round can help validate the startup's business model and market potential, drawing more investors and strategic partners.
  • Networking: Funding rounds connect startups with new investors, partners, and clients, broadening their professional network.
  • Mentorship: Investors often offer startups invaluable guidance, expertise, and mentorship, assisting them in overcoming the challenges of building a successful business.
  • Increased valuation: As a startup advances through funding rounds, its valuation frequently rises, providing early investors with potential returns on their investments.

Series A and Series B Funding Explained

Series A and Series B are two sequential stages in the startup funding process:

  • Series A funding, as previously described, is the first significant investment round for a startup, focusing on scaling operations, recruiting talent, and enhancing product development.
  • Series B funding is the subsequent stage, typically raising between $10 million and $30 million. This round is designed to help the startup broaden its market reach, fine-tune its business model, and potentially acquire other companies to reinforce its market position.

Series B round investors usually include a combination of venture capital firms, strategic corporate investors, and sometimes even private equity firms. Valuation during Series B is generally higher than in Series A, as the startup has demonstrated its ability to scale and generate revenue.

Understanding the "A Round"

An "A round" is simply another name for a Series A funding round. This round represents the first significant milestone in a startup's funding journey and plays a pivotal role in its growth and development. A successful Series A round can pave the way for future funding rounds, such as Series B and beyond, as the startup continues to expand and evolve.

In the end:

Comprehending the various startup funding rounds, including Series A and Series B, is crucial for entrepreneurs seeking to scale their businesses and secure the necessary capital for success. As you embark on your entrepreneurial journey, keep in mind that platforms like acquire.fi offer crowdfunding opportunities in both web2 and web3 spaces, providing a thorough due diligence process and a reputable name to support your startup's growth.

If your're looking to raise capital for your business, check out our Web3 Fundraising program.

Share this post
photo of jan strandberg
Jan Strandberg
April 26, 2023
5 min read

Related blog

Interviews, tips, guides, industry best practices, and news.

Zcash is a proof-of-work blockchain with optional privacy, letting users choose between public transactions or shielded ones that hide transaction details.

jan strandberg
Jan Strandberg
December 31, 2025
5 min read

Distressed mergers & acquisitions refers to deals involving financially-troubled businesses. Buyers may acquire assets at bargain prices but face risks

jan strandberg
Jan Strandberg
December 26, 2025
5 min read

This week, we talk about one of the largest wallet-infrastructure deals of the year and how regulators have remained active across key jurisdictions.

jan strandberg
Jan Strandberg
November 26, 2025
5 min read

This week, we cover how crypto presales are increasingly starved for capital as the over-the-counter (OTC) market siphons off available liquidity.

Jan Strandberg
June 17, 2025
5 min read

In this week's newsletter, we discuss a flurry of high-profile deals in 2025, starting with Coinbase' acquisition of Deribit.

Jan Strandberg
June 11, 2025
5 min read

In this week's newsletter, we're proud to announce that Acquire.Fi has helped facilitate the Vertex Protocol and The Ink Foundation M&A.

Jan Strandberg
July 17, 2025
5 min read

In this newsletter, we cover crypto M&A acceleration despite Q4 volatility and highlight a hybrid perp exchange deal and a Tether equity OTC offering.

Jan Strandberg
November 7, 2025
5 min read