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Guide · Raising money2 min

SAFEs explained: how startups raise before a priced round, and why they need a corporation

What a SAFE is, how a post-money SAFE converts, what a valuation cap and discount do, why an LLC can't cleanly issue one, and what founders abroad should watch.

Updated 17 September 2026Checked against the sources named in the text

Most US startups raise their first money on a SAFE, a Simple Agreement for Future Equity. It's a short document, published by Y Combinator and used largely unchanged by most investors: the investor pays now and gets shares later, at the company's next priced round. It isn't debt and it isn't stock, and it assumes a corporation with shares to issue, which is why founders who plan to raise form a Delaware C-Corporation.

How it works

Say an investor pays $100,000. The SAFE doesn't say how many shares that buys, because the company hasn't been valued yet. When the company raises a priced round, where investors pay a set price per share, the SAFE converts into shares at that round's price, adjusted by whichever of two terms you agreed:

  • A valuation cap: the SAFE converts as if the company were worth no more than the cap, so an early investor gets a better price than the new investors if the company has grown.
  • A discount: the SAFE converts at the round's price minus a percentage, commonly 10% to 20%.

Some SAFEs have both. Some have neither and convert at the round's price, with a most-favoured-nation clause that lets the holder take the better terms of any later SAFE.

Post-money SAFEs

Since 2018, the standard form has been the post-money SAFE, where the cap is a post-money valuation, so each SAFE's ownership can be worked out when it's signed: $100,000 on a $5 million post-money cap is 2% of the company, before the round that converts it. Founders can see how much they're giving away SAFE by SAFE, which was the point of the change. Y Combinator publishes the forms, along with a side letter for pro rata rights.

Why not an LLC

A SAFE converts into stock. An LLC has membership interests, not shares, with no board to approve an issue and no authorised share count, and its tax treatment doesn't fit how the SAFE is designed. Investors who want to use a SAFE will usually ask an LLC to convert to a Delaware corporation first, at the founder's expense. It's one of the most common reasons founders abroad form a C-Corporation instead of an LLC.

What founders abroad should watch

  • Stacking. Several SAFEs with low caps can add up to more of the company than each looked like on its own. Add them up before you sign the next one.
  • Board approval. The board should approve each SAFE, and each should be recorded on the cap table. Investors will read both.
  • Securities law. A SAFE is a security. Sales to US investors rely on an exemption, often Regulation D with a Form D filed, and sales to investors in your own country may have rules of their own.
  • Your own country's view. A US corporation raising money is still your company for your home country's tax purposes, so ask an adviser before the first money arrives.

Questions

The questions this guide gets asked.

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Not cleanly. A SAFE converts into stock, which an LLC doesn't have, so investors will usually ask you to convert to a Delaware corporation first.

The highest valuation at which the SAFE converts, so an early investor's money buys shares at a price based on no more than the cap, even if the priced round values the company higher.

No. We form the Delaware corporation and record the founders' stock. SAFEs are usually prepared from Y Combinator's published forms, with a startup lawyer.

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