How to Set the Valuation Cap in a SAFE Note – And Why It Matters

I was asked twice yesterday about how to set a valuation cap in a SAFE note. So I thought I’d share some thoughts to help others better understand this topic, and hopefully remove some of the confusion around it.

First, it’s important to understand that the valuation cap is not a valuation of your business today.

Secondly the valuation cap protects the investor, not the founder.  Why because it effectively sets the minimum ownership percentage the investor will receive when the SAFE converts to equity.

And getting the valuation cap dramatically wrong can hurt you, the founder and your staff in the option pool.  Let me show this by way of a couple of examples.

Valuation Cap examples and their impact on Ownership

Let’s take a Safe Note with a $5m post money valuation cap and the SAFE holder invests $1m.  You then do a priced round some time later where you are raising another $1m.

As you can see on the image:

Post money valuation on the new raise $4m means

• Safe Holder 25%
• New Investor 25%
• Founder and staff option pool 50%

Post money valuation on the new raise $4.5m means

• Safe Holder 22.2%
• New Investor 22.2%
• Founder and staff option pool 55.6%

Post money valuation on the new raise $5m means

• Safe Holder 20%
• New Investor 20%
• Founder and staff option pool 60%

Post money valuation on the new raise $6m means

• Safe Holder 20%
• New Investor 16.7%
• Founder and staff option pool 63.3%

Post money valuation on the new raise $7.5m means

• Safe Holder 20%
• New Investor 13.3%
• Founder and staff option pool 66.7%

As you can see the valuation cap directly affects how much equity is left for founders and the team after the SAFE converts.

Set the valuation cap too high and the SAFE holders may get more equity than you expect (and may even deter potential investors).  Set it too low and the SAFE Holders get their equity % for a bargain price.

How do you set the valuation cap?

So how do you actually set your valuation cap?  There’s no one-size-fits-all formula. You’ll find suggested ranges online, but those businesses aren’t yours, and your circumstances are unique.

I recommend you start with your next funding round in mind.  From here you work backwards.  What pre money valuation do you reasonably think your business will be worth based on the valuation metrics used for others in your space.  Let’s use $4m as an example.

Now, think about how much money you will need to raise at this round.  Let’s say it is $1m.  Brings your post money valuation to $5m.  This is a good start to your valuation cap in your safe note.

But, the SAFE investors will want some discount to the new investors because of their earlier investing.  In this case you could offer to reduce the valuation cap, or you could offer a discount.  Personally, I think it’s excessive to both lower the valuation cap and offer a discount. Choose one or the other.

For example, you discount the valuation cap by 10% to $4.5m.  If they invest $1m in the SAFE, and the next raise is another $1m at a $5m post money valuation, even though both the SAFE holders and new investors put in $1m each, the SAFE holders end up with 22.2% of the business vs the new shareholders at 20%.

They may want a bigger difference and this is where the negotiation starts.  But at least you are starting the negotiation with some assumptions and projected performance.  Not just asking what the SAFE investor wants, or your mate (who does not know your business) says.

Execution Risk and Founder Dilution

But remember whatever you set the cap at, this creates an execution risk for you.  You need to be able to grow the business so it can actually deliver the valuation you were thinking.

If you underperform, you’ll end up giving away more equity than planned.  So now it becomes a balancing act and hence why I used the words reasonable valuation.  Avoid setting an unrealistic cap, it creates pressure to hit milestones that may not be feasible and can hurt you in the long run.

Conversely, don’t make it too easy such that the SAFE investors profit more than they should from your efforts.

Avoid Stacking SAFES

Try not to stack multiple SAFEs. It complicates conversion mechanics and can significantly dilute your ownership. Each SAFE adds another layer of potential dilution when they all convert at once in a priced round.

Use a Calculator – Always

There are free SAFE calculators online, such as the Y Combinator SAFE calculator (that I used in this post), that allow you to model cap tables and see how conversion impacts equity.

In summary

Setting the valuation cap in a SAFE note is both a strategic and financial decision. It’s about finding the sweet spot between rewarding early investors and protecting your own future equity.

Get it right, and you’ll avoid unnecessary dilution.
Get it wrong, and you might give away more of your business than you intended.
Always model the outcomes, and negotiate with clarity, not guesswork.

Getting this right today can save you equity headaches tomorrow, and ensure your investor relationships are based on fairness, transparency, and mutual respect.

Contact Wayne on wayne@arealcfo.com.au or 0412 227 052.

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