1 November 2021 | Startup

Startup Funding Explained: Pre-seed, Seed, & Series A-D

You can have the best startup idea in the world, but unless you have the money to finance its growth, your idea might not reach its full potential. In some cases, you might run out of money before your business ever gains traction.

That’s where startup funding comes into play.

Raising money from investors is one of the most common ways to fund your growth. However, it’s important to understand how the process works so that you can make the best decisions for your business.

For instance, what’s the difference between a pre-seed and seed round? How do you know when you’re ready to raise a Series A? Do you even need to raise a Series D round?

In this guide, we’ll answer all of those questions and more, plus explain what to expect at each funding stage.

Table of contents:

How Startup Funding Works

Before we get into the nitty-gritty, it’s important to understand why startups raise money in the first place.

Without getting too much into the weeds, I’ll just say that growing and scaling a large business costs a lot of money. More money than most startups have in the bank, and more than they’re able to generate from revenue alone.

Between salaries, marketing, and product development, you can easily burn through tens of thousands of dollars each month just to operate a startup.

Without outside funding, it’s very difficult for most startups to sustain, let alone grow fast enough to gain market share. As a result, founders look to investors to give them money in exchange for equity (i.e. ownership) in their business.

Those investments allow founders to fund the growth of their startup as it matures from an idea to a fully operational business, and eventually becomes a large company that can sustain itself or is ready for an exit.

In a webinar with the Founder Institute, the founder of our company compared the fundraising process to the old racing arcade game Cruis’n USA.

In the game, you race against other cars and have to reach checkpoints throughout the course before your time runs out. Each time you reach a checkpoint, you get more time on the clock. If you fail to reach the next checkpoint in time, you lose.

Startup funding works very similarly.

Every time you raise money, you get a little more time (or runway) for your startup to reach the next checkpoint (i.e. the next fundraising round).

how startup funding stages work

You start with a pre-seed or seed round. The money you get from that stage adds more time on your clock to get to the next checkpoint—your Series A. Then you use the Series A money to get you through to your Series B and so on.

With each fundraising round, your business should be growing, maturing, and reaching certain milestones to show investors your startup is worth the investment.

Throughout the rest of this guide, we’ll explain what the milestones are for each fundraising round, which types of investors to seek for each round, the average funding amount, and more.

Pre-Seed Funding

While it’s often not considered an “official” fundraising round, you can think of a pre-seed round as a warm-up for the seed round.

When a company gets pre-seed funding, it’s not going to make Techcrunch headlines and the public probably won’t even know about it. In fact, a lot of companies skip this stage entirely and go right to their seed round.

However, if you’re in the very early stages of your startup and need some initial capital to build your MVP, a pre-seed round can provide that.

How Mature Should Your Company Be for Pre-Seed Funding?

At this stage, you’re very early on in the process. You might have an MVP or even just a mockup in Figma that shows how your product will work. But you likely won’t have a team built out or a fully developed product just yet.

Here’s a look at some of the things you should have when you’re seeking pre-seed funding:

During your pre-seed round, people are investing in you as a founder just as much (if not more) than your actual business idea. Make sure you’re able to show why you’re the right person to build and grow the company.

What’s the Average Investment Amount for Pre-Seed Funding?

The amount of pre-seed money companies raise varies tremendously. Many sources cite the average amount as less than $1,000,000. However, that is on the higher side for pre-seed funding.

A report from DocSend that analyzed 174 startups at the pre-seed stage found that the average pre-seed funding amount was roughly $500,000 or less.

average pre-seed stage funding amount

In some cases, your pre-seed funding amount can be even lower, depending on where you’re getting the investment from and how much you need. That’s a great segue into our next section…

What Types of Investors Offer Pre-Seed Funding?

Most pre-seed funding comes from the founders, friends, and family. Again, this is part of the reason why it’s not considered an “official” funding round.

Many founders will bootstrap this part of their startup, particularly if they already have the skills to build an MVP and do some market research.

If you do need outside funding, this is when friends and family can sometimes get involved. This is also one of the differentiators between pre-seed funding and later rounds—it’s often funded by your personal network.

Another major difference between pre-seed funding and subsequent rounds is that pre-seed money is often raised on a SAFE or a convertible note, which you can learn more about here.

Since pre-seed companies are pre-revenue, a SAFE can keep you from having to value the company so early on.

Seed Funding

A seed round will be your first “official” fundraising round. At this point, you’ve gone from “this is a good idea with great potential” to “I’ve proven that people are willing to pay for this, now let’s go to the next level.”

How Mature Should Your Company Be for Seed Funding?

When you’re seeking seed funding, your company should be more developed than it was in the pre-seed stage.

Although the lines between pre-seed and seed funding can get blurred sometimes (particularly for tech companies), some of the milestones you should reach by the time you raise a seed round are:

Some companies already have some revenue at this stage—as much as a couple hundred thousand dollars in annual revenue—but it’s not always necessary. What you should have, however, is proof that people like and want to use your product.

While revenue is the best way to show people value your product, you can also show it through social proof like user feedback, social media mentions, and press coverage. You want to demonstrate to investors that you’re building something people are willing to pay for so that they know your business is financially viable.

What’s the Average Investment Amount for Seed Funding?

We’ll start by saying the average seed round amount has grown dramatically over the past decade. Today’s seed rounds are almost comparable to Series A rounds from a decade ago.

Generally speaking, most seed rounds today are around $1-$4 million. One study found that the median seed investment amount for 2020 was $4 million, 4x the median from 10 years prior.

median seed stage funding

Of course, this can vary greatly depending on your industry.

For instance, Gong raised $6 million in its seed round, OpenSea raised $2 million, and at Finmark we raised $5 million.

Again, the most important thing is to only raise what you need. Raising too much too soon can make it harder to raise money later on.

Creating a financial model can help you figure out how much you need to raise and when.  Shameless plug, but Finmark makes that process a lot easier. You can learn more about it here!

​​What Types of Investors Offer Seed Funding?

Your seed round is when you’ll start talking to experienced investors. Depending on how much you’re raising, friends and family are still on the table as well.

However, if you’re looking to raise hundreds of thousands of dollars or even millions, you can look to angel investors and venture capitalists (VCs).

Learn more about the difference between angel investors and VCs.

Also, keep in mind that you don’t need a laundry list of investors. If you can find 1-2 VCs or angels for the round, you don’t need to crowd your investor pool.

Series A Funding

Your Series A is your first “big boy” fundraising round. This round is all about adding fuel to a “machine” that’s already been proven to work.

How Mature Should Your Company Be for Series A Funding?

By the time you’re ready for a Series A, you’ve gone from “I think this could really work” to “I’ve proven this works, now it’s time to scale.”

Some of the markers of a company ready for a Series A are:

At this point, your business is growing, but you’re at a point where in order to capitalize on the momentum, you need more money.

The part of startup growth that often gets overlooked is how much it costs to scale. Your Series A round allows you to keep growing without being limited by the amount of cash you have in the bank.

What’s the Average Series A funding amount?

According to data from Fundz, the average funding amount for a Series A round in 2020 was $15.7 million. Crunchbase puts it at around $14 million.

While the funding amount can vary, one thing that has been consistent over the past decade is that the average Series A round amount is increasing.

average series a funding

It’s not uncommon for startups to raise tens of millions for their Series A. In fact, it’s actually becoming more of the “norm”.

distribution of series a funding rounds

Just like the other fundraising rounds, the goal with your Series A shouldn’t be to raise as much money as possible. Your goal is to raise enough to get you to the next stage of your business.

​​What Types of Investors Offer Series A Funding?

Typically, Series A rounds are led by VCs since you’re raising millions of dollars.

One thing to keep in mind is that at this stage, VCs expect fast growth. When you’re pitching them, you need to be able to show that you have a plan to grow 3-5x in the next 12-18 months, and how their investment will help you get there.

As for which investors to look to, Crunchbase shared some interesting data to point you in the right direction.

top series a investors

Also, there’s a strong chance your seed round investors will be interested in putting in more cash during your Series A, so that’s a good place to start.

Series B Funding

Very few companies make it to a Series A round (around 20-30% according to one report). Even fewer make it to Series B and beyond.

Your Series A was all about scaling and fast growth. Your Series B is a continuation of that, with plans for expansion.

How Mature Should Your Company Be for Series B Funding?

If your company was a person, it’d probably be the equivalent of a stable adult by the time you’re considering a Series B. In other words, a lot of the doubt and questions about whether or not it’s going to be successful are gone.

At this stage, your business likely looks something like this:

The name of the game for your Series B is expansion. You should be trying to expand on nearly every level. Expanding your market share, international reach, customer base, team, brand, and everything in between.

What’s the Average Series B funding amount?

According to Crunchbase data, the average Series B funding amount through the first half of 2021 was $40 million, which is nearly double the average amount of $27 million in 2020.

average series b funding amount

The funding amount for a Series B can vary greatly from business to business. For instance, ClickUp raised $100 million during its Series B at the end of 2020, whereas Gorgias raised $25 million around the same time.

The point is, you shouldn’t gauge your Series B amount based on other startups. It’s crucial to raise the amount your business needs. Building a financial model can really come in handy for this.

Even if you’re at the pre-seed or seed stage, if you plan to fundraise at all, I highly recommend building a model to get a better understanding of how much you need to raise and when.

​​What Types of Investors Offer Series B Funding?

VCs. More than likely, it’ll be many of the same investors as your Series A round, particularly if your business is reaching its growth goals and milestones.

If your business is growing and all your KPIs are trending in the right direction (revenue, churn, acquisition, etc.) then raising more money becomes a lot easier at this stage. It’s also the reason why investors are open to investing more money at this point.

Series C Funding

By the time your company is at the point where you’re considering a Series C round, you’re likely on the path to profitability.

However, the additional funding helps you gain even more market share by entering new markets, creating new products, acquiring smaller companies, and other growth tactics that require a lot of capital.

How Mature Should Your Company Be for Series C Funding?

Your company should be fully matured at this point. Meaning, you’re a key player in your industry and have significant market share.

Some other common milestones for a company heading for Series C funding are:

At this stage, the primary way to keep seeing significant growth is to spend a significant amount of money.

Since you’re a market leader, chances are people who are looking for the type of product you sell are aware of you, and your acquisition channels operate like well-oiled machines.

Therefore, doing things like creating additional products or acquiring other companies will have a significantly bigger impact on your growth than spending more money on ads or marketing campaigns.

You’re no longer just fueling growth through generating awareness for your product. You’re fueling growth by exploring new revenue channels.

What’s the Average Series C Funding Amount?

We looked at a couple of data reports to determine the average Series C amount. According to Fundz, the average amount of funding for a Series C round in 2020 was $59 million.

We also looked at data from Crunchbase on the average Late-Stage funding amount (which includes series C and beyond). Their data showed the average late stage investment amount to be between $20-$50 million over the past 12-18 months.

average late stage funding amount

Series C raises continue with the same overall trend we’ve seen for startup funding in general, in that the average funding amount has increased significantly over the years.

As a result, it’s not uncommon for startups to raise upwards of $100 million or more in their Series C round.

​​What Types of Investors Offer Series C Funding?

In addition to the usual suspects like VCs, some new players also come into play during your Series C.

Since startups at this stage are seen as less risky than say, a seed stage company, hedge funds, investment banks, and private equity firms are also interested in investing during this round.

Series D Funding

In most cases, a Series C is the last round of funding for startups.

After your Series C, most companies find themselves in one of these situations:

As a result, less than 5% of startups raise a Series D round and even fewer go to later stage rounds (E, F, or G).

How Mature Should Your Company Be for Series D Funding?

By this time, your company should be a dominant market leader, generating tens of millions if not hundreds of millions in annual revenue, and working towards an exit (IPO or acquisition).

In some cases though, a company will raise a Series D round because they plan to acquire another company and need the capital to fund the transaction.

What’s the Average Series D funding amount?

Based on our research, the average Series D funding amount ranges between $50-$60 million. The amount you raise largely depends on your industry and what you plan to use the capital for.

For instance, the social media management SaaS company Sprout Social raised $40.5 million in its Series D round in preparation for its IPO that came soon after.

Getir, a grocery delivery app based in Turkey raised $550 million in Series D funding in order to expand into the U.S. market.

One advantage of a Series D round over earlier rounds is there’s less speculation or “guesswork” involved in how much you need to raise. You’ll have a clear goal and reason for the round, and plenty of guidance from your finance team, investors, and board.

​​What Types of Investors Offer Series D Funding?

During a Series D round, you’re likely getting investors from investment banks and private equity firms. In addition to the capital they provide, these types of investors also offer the expertise you need to prepare for an IPO, merger, or acquisition.

This is one of the biggest differences between early rounds and later stage funding rounds. Your seed round and Series A-B were mainly about scaling your business. The later stage rounds (C and beyond) are about preparing for an exit or acquisition, which is why they’re typically funded by financial institutions.

What About Bootstrapping?

Fundraising isn’t necessary to build a successful startup. There are plenty of examples of startups that bootstrapped and went off to be successful ventures without any outside capital.

However, in order to build a very large company generating tens or hundreds of millions in annual revenue, in most cases, you’re going to need to raise money.

The Mailchimps of the world are the exception, not the rule.

When you’re trying to decide whether to bootstrap or raise money, you need to consider what your goals are, and what type of business you want to build.

Ready to Get Funded?

Hopefully, this gave you some insight into the fundraising process, what you need at each stage, and how to decide when you’re ready for your next round.

Remember, fundraising is all about being prepared and planning your next step. Finmark makes that process much easier. You can build your financial model to forecast your future revenue, runway, and fundraising plans, as well as gauge how much you need to raise and when.

Learn more about how Finmark can help you prepare for fundraising.

Dominique Jackson
Content Manager

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Historically financial modeling has been hard, complicated, and inaccurate. But financials are the lifeblood of any company. They’re too important to be ignored or outsourced. They should be a core part of every founder’s job. This doesn’t have to be scary. And you don’t have to do it alone. The Finmark Blog is here to educate founders on key financial metrics, startup best practices, and everything else to give you the confidence to drive your business forward.

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