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Startup Funding Stages Explained: From Pre-Seed to Series C, With the Canadian Numbers

Layla LevesqueOctober 7, 20267 Mins read3

Startup Funding Stages Explained: From Pre-Seed to Series C, With the Canadian Numbers

Photo: Xmas-Reunion 20231222 HOF03397 RAW-Export cens by PantheraLeo1359531 via Wikimedia Commons, CC BY 4.0

In the first quarter of 2026, Canadian startups closed just 104 venture deals worth about $936 million, according to the CVCA’s quarterly market overview. BetaKit reported that this was the lowest quarterly deal count since 2017. And yet the average seed deal in that same quarter came in at nearly $4.5 million, well above the five-year average. Fewer cheques, bigger cheques: that is the strange shape of the market founders are raising into right now.

If you are new to startup finance, the vocabulary alone can feel like a barrier. Pre-seed, seed, Series A, post-money SAFE, valuation cap, option pool. These terms describe something fairly simple, though: a company selling slices of itself, in stages, to people who are betting it will be worth far more later.

This guide walks through each stage, explains the two instruments most early Canadian rounds use, and works through a dilution example with real arithmetic so you can see where a founder’s ownership goes. Along the way we’ll point to the most recent data we could find on how big these rounds actually are.

The stages, and what each one is supposed to buy

The labels are conventions, not legal categories. A “seed round” is whatever the founders and investors agree to call it. Still, each stage tends to fund a particular kind of progress, and investors judge companies against that expectation.

Pre-seed

This is the earliest outside money, often from angels, friends and family, accelerators or small specialist funds. It pays for a prototype, a first hire or two, and enough time to find out whether anyone wants the product. There is usually little or no revenue. Investors are betting mostly on the team and the size of the problem.

Seed

Seed money is meant to take a company from “this seems to work” to evidence that it works repeatably: early customers, a usable product, some sense of how to acquire users. In Canada, the CVCA’s 2025 seed investing report put the average seed deal at $3.0 million in the first half of 2025. By Q1 2026, the combined pre-seed and seed average had climbed to roughly $4.48 million across 54 deals.

Series A

Series A is usually the first round led by an institutional venture fund with a formal priced valuation, a board seat and a full set of legal documents. The company should be able to show a working business model, not just a product. Investors want proof that money in turns into growth out.

Series B, C and beyond

Later rounds fund scale: new markets, bigger teams, acquisitions. Each letter is essentially a new chapter with a higher bar. By this point the conversation is about revenue growth, margins and the path to an exit, whether through an acquisition or an IPO. In Canada, the CVCA counted only nine later-stage deals in Q1 2026, averaging $27.6 million each.

SAFEs and convertible notes: deferring the valuation question

At the earliest stages, it is genuinely hard to say what a company is worth. Two instruments let founders raise money without settling that question yet.

The SAFE

The Simple Agreement for Future Equity was introduced by Y Combinator in late 2013. According to YC’s documents page, it released a “post-money” version in 2018 because seed rounds had grown larger and the original math had become confusing. YC now publishes a version specifically for Canadian companies, alongside versions for the Cayman Islands and Singapore.

Here is how a SAFE works in plain terms. An investor hands over cash today. In return they get the right to receive shares later, usually when the company raises a proper priced round. The key term is the valuation cap, which sets the maximum valuation at which their money converts. With a post-money SAFE, you can calculate the investor’s eventual percentage immediately: a $500,000 SAFE with a $5 million post-money cap converts into 10% of the company as it stands just before the next priced round.

SAFEs now dominate the earliest stage. Carta’s State of Pre-Seed analysis found that 93% of pre-seed rounds on its platform in Q2 2026 were structured as SAFEs, and 91% of those SAFEs were post-money. For the largest SAFEs, above US$2.5 million, the median valuation cap reached US$35 million, up 40% from a year earlier. Keep in mind that Carta’s data skews toward US companies.

The convertible note

A convertible note does the same basic job but is structured as debt. It accrues interest and has a maturity date. It typically converts into shares at the next round, often with a discount, a valuation cap, or both. A May 2026 analysis by the Toronto law firm SkyLaw, published on Mondaq, highlights the practical differences under Canadian law:

A SAFE is not debt, so it carries no interest and no repayment obligation; it can sit outstanding indefinitely.
A note has a maturity date, which gives investors leverage if the company never raises again.
A secured noteholder may have a better shot at recovering money in a bankruptcy.
Either way, Canadian issuers still need a valid prospectus exemption under securities law when they sell SAFEs or notes.

The same firm stresses that the tax treatment of these instruments “is not always clear cut,” which is a fair warning. Before signing either, talk to a Canadian startup lawyer and an accountant; the templates are free, but the mistakes are not.

Startup Funding Stages Explained — Photo: Business People by Direct Media via stocksnap, CC0

Dilution, worked out step by step

Dilution is the word founders dread, but it is just arithmetic. Every time a company issues new shares, existing holders own a smaller percentage of a (hopefully) more valuable company. Let’s follow a hypothetical two-founder startup through three rounds. The numbers are invented for illustration, but the round sizes are in line with the data cited in this article.

Pre-seed. The founders raise $500,000 on a post-money SAFE with a $5 million cap. When it converts, the SAFE investors will own 10%. Founders: 90%.
Seed. A year later the company raises $3 million at a $12 million pre-money valuation, so the post-money valuation is $15 million. New investors get 3 ÷ 15 = 20%. The lead investor also asks for an unallocated employee option pool equal to 10% of the company after the round, created before the new money comes in. That leaves 70% for the founders and SAFE holders, split 90:10. Founders: 63%. SAFE holders: 7%. Pool: 10%. Seed investors: 20%.
Series A. Two years on, the company raises $10 million at a $40 million pre-money valuation ($50 million post). The Series A investors get 20%, and everyone else is scaled down by the same proportion. Founders: about 50.4%.

After round	Founders	SAFE holders	Option pool	Seed	Series A
Pre-seed (on conversion)	90%	10%	0%	0%	0%
Seed	63%	7%	10%	20%	0%
Series A	50.4%	5.6%	8%	16%	20%

Two things jump out. First, the option pool cost the founders more than many expect, because it was carved out of the pre-money side. This is sometimes called the “option pool shuffle,” and it is a legitimate thing to negotiate. Second, the founders’ stake fell by half, but if the valuations hold, their 50.4% of a $50 million company is worth about $25 million on paper, compared with nothing at the start. Paper is the operative word, of course.

How realistic is 20% per round? Carta’s State of Private Markets report for Q1 2026 put median dilution at roughly 19% at seed, 18% at Series A, 13% at Series B, 9.5% at Series C and 4.9% at Series D. Our example is a little rounder than the medians, but not by much.

How big are rounds right now?

Round sizes vary enormously by sector and geography, and averages can be dragged around by a few huge deals. With that caveat, here is what the most recent data shows.

US seed (software). Carta’s July 2026 snapshot of more than 1,000 seed rounds found a median raise of US$4.1 million at a median valuation of US$24.3 million, with median dilution of 18%.
US time between rounds. In Q1 2026, Carta found a median of two years from seed to Series A and 2.1 years from Series A to Series B. That is a long time to make a seed round last.
Canadian pre-seed and seed. CVCA data reported by The Logic showed $52 million invested at pre-seed and $285 million at seed in the first half of 2026. Seed dollars were down 31% from a year earlier.
Canadian early stage. Series A and B investment rose 29% to $1.2 billion over the same period, and later-stage investment reached $984 million.

A word on Canadian totals: different data providers count differently. The CVCA tallied $2.69 billion across 250 deals in H1 2026, up 17% year over year. CPE Analytics, cited by Wealth Professional, counted $2.48 billion across 248 deals, down 12%. Both agree on the bigger picture, which is fewer deals and more concentration. The Logic noted that 16 deals over $50 million accounted for nearly 60% of all dollars invested in the first half.

The Canadian wrinkles

Canadian founders operate in a market where much of the money at later stages comes from abroad. CPE Analytics found that US investors accounted for 56% of Q2 2026 funding. That has practical consequences. Many Canadian startups end up using US-style documents, and some reincorporate in Delaware before a large round because a US lead investor asks for it. That decision has real tax and legal consequences, including for founders’ eligibility for some Canadian programs, so it should not be made casually.

Canada also has a large public player in early-stage venture. BDC Capital invests directly and through funds, and it appears on cap tables from seed to growth rounds. Non-dilutive money matters here too. Programs such as SR&ED tax credits and NRC IRAP grants can stretch a seed round further without giving up equity, which, as our dilution table shows, is worth a lot.

Finally, exits remain thin. CPE Analytics noted there has been no Canadian venture-backed IPO since 2021. When investors cannot see a clear exit, they price risk into earlier rounds, which is part of why seed money has become more selective even as individual cheques grow.

What founders should take from this

The stages are less about labels than about milestones. Each round should buy enough time, typically two years on current data, to reach the evidence the next investor will demand. Raise too little and you will be fundraising again before you have anything new to show. Raise too much at too high a valuation and you set a bar you may not clear.

Our view is that founders should model dilution before the term sheet arrives, not after. Build a simple cap table like the one above, plug in the option pool your lead is likely to ask for, and see what you will own after Series A. If the answer surprises you, better to find out now. And because SAFEs, notes and securities exemptions all carry legal and tax consequences, have a qualified Canadian lawyer and accountant review the documents before you sign.