Series A, B, C Funding - The Ultimate Guide

Descriptions, Averages, Investors and How to Get Funding

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What is Series A Funding?

Series A funding, (also known as Series A financing or Series A investment) means the first venture capital funding for a startup. The Series A funding round follows a startup company's seed round and precedes the Series B Funding round. "Series A" refers to the class of preferred stock sold.

Table of Contents
1.Series A Funding: Continued Description, Averages, Investors, How to Get
2.Series B Funding: Description, Averages, Investors
3.Series C Funding: Description, Averages, Investors
4.Seed Funding: Description, Averages, Investors
5.How to Track New Funding Rounds
6.Funding Rounds and the Startup Financing Cycle: How it Works [Video]
7.Related Resources

Series A Funding: Continued Description

Receiving a Series A round is an important milestone for a startup. Aside from the funding being much larger than a seed round, companies need to demonstrate they have a minimum viable product (MVP) to acquire an A round - and not just a great idea or team. It is not easy for seed funded companies to graduate to a Series A funding round. In fact, less than 10% of companies that raise a seed round are successful in then raising a Series A investment. A Series A investment provides venture capitalists, in exchange for capital, the first series of preferred stock after the common stock issued during the seed round. Generally speaking, a Series A financing provides up to a couple of years of runway for a startup to develop its products, team and begin to execute on its go-to-market strategy.

Series A Funding: Average and Valuation

• Average Series A Funding Amount in 2019: The mean Series A funding has grown quickly in recent years, currently at around $13 million.[1]

• Average Series A Startup Valuation in 2019: Series A startups currently have a median pre-money valuation of $22 million.

The Average Series A Funding page provides weekly updated averages and more detail on the current state of startup funding in the U.S. in 2019.

Series A Funding: Investors

While there are hundreds of venture capital firms in the U.S. alone (here is a list of VC firms), Some of the biggest Series A investors in software startups include Accel, 500 Startups, Bessemer Venture Partners, Andreessen Horowitz and Greycroft Partners.

A list of the most active Series A round, early stage investors also includes:

IDG Capital

New Enterprise Associates

Sequoia Capital China

Y Combinator


Sequoia Capital

Matrix Partners China

Intel Capital

Index Ventures

Google Ventures

Pitchbook also cites these organizations as the most active investors in European Series A investments:

1. Idinvest Partners

2. High-Tech Gründerfonds

3. Octopus Ventures

4. Index Ventures

5. Partech Partners

How to Get Series A Funding:

1. Join an Accelerator

Approximately one-third of startups that raise Series A funding go through an accelerator[2] and the top 3 accelerators account for 10% of all Series A rounds[3]. The #1 factor evaluated for acceptance into leading accelerators is your team.[4]

2. Leverage Your Network

When fundraising, your network is critical. While joining a top-tier accelerator gives you the best statistical chance for success in ultimately getting a Series A funding, these groups only accept about 2% of applicants[5]. Startups that successfully raised a Series A without going this route often did so by networking early and often with influential investors, whether they are Angel Investors or VCs from leading venture capital firms.

3. Extend and Nurture Your Network

Continue to nurture and leverage angel and micro-VC connections before even thinking of pitching them. Take As many new meetings as You can. Building and nurturing genuine relationships before starting the Series A tour can dramatically improve your odds.

Series B Funding: Description

Series A vs. Series B. While a Series A funding round is to really get the team and product developed, a Series B Funding round is all about taking the business to the next level, past the development stage. Tomasz Tunguz, a well known Venture Capitalist at Redpoint, says a Series B funding is the most challenging round for a startup company.

Typically before Series B funding rounds occur, the company has to have shown some strong achievements after its Series A round. Series B is therefore to pour the gas on for growth with a larger investment round.

Series B Funding: Average and Valuation

• Average Series B Funding Amount in 2019: The mean Series A funding is currently around $32 million.

• Average Series B Startup Valuation in 2019: Series B startups currently have a median pre-money valuation of $58 million.

Series B Funding: Investors

A list of some of the top Series B investors includes:

Google Ventures

New Enterprise Associates

Kleiner Perkins Caufield & Byers

Khosla Ventures

General Catalyst Partners

Series C Funding: Description

A Series C Funding Round generally occurs to to make the startup appealing for acquisition or to support a public offering. This is the first of what are called "later-stage" investments. This can continue into Series D funding, Series E funding, Series F funding, Series G funding, private equity funding rounds, etc. While there is a lot of capital ready, a lot of companies don't even make it to Series C. The reason for this is because Series C investors are looking for breakout companies that have already demonstrated significant traction. Thus, the deal size of Series C funding rounds has continued to increase.

Series C Funding: Average and Valuation

• Average Series C Funding Amount in 2019: The mean Series C round currently $55 million.

• Average Series C Startup Valuation: The median pre-money valuation of a startup receiving a Series C funding is currently $115 million.

Series C Funding: Investors

Some of the most common investors in Series C funding include late-stage VCs, private equity firms, hedge funds and banks.

Seed Funding: Description

Seed funding is the first investment in a startup company in exchange for equity/partial ownership of the company. Seed funding can come from a variety of sources, such as friends and family, Angel Investors (here is a list of hundreds of Angel groups around the world), Crowdfunding and startup accelerators. The reason for seed money is to help startup founders test an idea to see if they can demonstrate some product/market fit. To get seed funding, it is really about networking as well as selling the dream and team. Seed funding varies widely from just tens of thousands of dollars to up to around $2 million. The equity given up in exchange for the seed funding is generally in the range of 10% - 25%.

Seed Funding: Average and Valuation

• Average Seed Funding Amount in 2019: $1.1 million.

• Average Seed Funding Startup Valuation: The pre-money valuation of a startup receiving seed funding is currently $7.5 million.

Seed Funding: Investors

Some major sources of seed investors (beyond friends and family) include:

1. Angel Investors
2. Accelerators like YCombinator and TechStars
3. Micro-VC's
4. Seed Funds from large corporations such as Intel, Google and FedEx, offer seed funding to promising startups working on innovative technologies which might be good acquisition candidates later.

A list of of the most active seed investors includes:

1. Startup-Chile

2. Hiventures

3. Crowdcube

4. Innovation Works

5. 500 Startups

6. Innova Memphis

7. Entrepreneurs Roundtable

8. Berkeley SkyDeck Fund

9. Quake Capital Partners

How to Track New Funding Rounds

News of funding rounds can be found from a combination of company press releases and disclosure documentation filed with the Securities & Exchange Commission. Fundz Pro is an easy to use application which makes tracking funding rounds much simpler and more customized to your interests.

Fundz has both a searchable database and Chrome extension for real-time browser alerts. Fundz also adds in important information when able to be verified, such as domains and contact emails. You can also download fundings to CSV, save notes and favorites.

Funding Rounds and the Startup Financing Cycle: How it Works [Video]

Related Resources:

Series A Funding Trends

VC Funding By City

Regulation Considerations When Raising Startup Funding

What is a Series A Funding Term Sheet?

Every Startup That Closes and Receives Seed Funding

Startup Database Live Funding Map

Startup Database Funding Trends - U.S.A (2016-2017)


1."Average Series A Funding." - Fundz
2."One-third of U.S. startups that raised a Series A in 2015 went through an accelerator." - Pitchbook
3."The Top 3 Startup Accelerators Produce Nearly 10% of U.S. Series A Deals." - Mattermark
4."Overcoming The Odds: 10 Tips For Getting Into A Top Accelerator." -
5."7 key things you need to know about an accelerator like Techstars." - VentureBeat

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