SAFE for a Non-US Company: Estonia, Cyprus, UK Rules

Usually not as written. A SAFE for a non-US company is a US instrument: Y Combinator’s form recites that the issuer is “a [State of Incorporation] corporation” and converts into Capital Stock. YC itself publishes localised versions for only three non-US jurisdictions. An Estonian OÜ, a Cypriot Ltd or a UK company can sign something that behaves like a SAFE — but the conversion mechanics have to be rebuilt around local share capital law.

Scope: this article works through four frameworks — the Y Combinator post-money SAFE itself, the Estonian Commercial Code, the Cyprus Companies Law Cap. 113 and the UK Companies Act 2006. Those are the entities founders most often hold when a US investor sends a SAFE. Nothing here is universal company law; a short comparison at the end names the position in our other markets. We do not state Delaware, Hong Kong or UAE corporate mechanics because we could not confirm them against a primary source while writing.

YC publishes non-US SAFEs for Canada, the Cayman Islands and Singapore only. There is no Estonian, Cypriot or UK form, and YC’s own guidance tells companies elsewhere to work with a local lawyer (ycombinator.com/documents).
Estonia’s binding constraint is the conditional capital ceiling. A conditional increase of more than one-half of existing share capital is prohibited (Commercial Code § 195¹(3)).
Cyprus punishes a low conversion price directly. A private company issuing shares below nominal value needs a general meeting resolution and a court order (Cap. 113 s.56).
The UK is the easiest of the three — but SEIS/EIS relief is what actually dictates the instrument, and HMRC will not accept a converting loan.
If the investor insists on the unmodified form, the answer is usually a holding company, not a redrafted SAFE.

What a SAFE for a non-US company actually assumes

Read the instrument rather than the folklore. The post-money SAFE published at ycombinator.com/documents states that the company “issues to the Investor the right to certain shares of the Company’s Capital Stock”, describes the issuer as “a [State of Incorporation] corporation”, and is governed by “the laws of the State of [Governing Law Jurisdiction]”. On an equity financing it “will automatically convert” at the initial closing, and the company represents that no consents are needed beyond its own corporate approvals, securities filings and “necessary corporate approvals for the authorization of Capital Stock issuable pursuant to Section 1”.

Three assumptions do the work: that the board can authorise and issue stock quickly, that conversion happens automatically at a closing without a separate shareholder process, and that the issue price is a commercial question rather than a statutory one. Civil-law share capital regimes — and, on the price point, English-derived ones too — do not share all three. YC’s own documents page reflects that: it offers localised valuation-cap SAFEs for Canada, the Cayman Islands and Singapore, notes that its send-a-SAFE tool “currently supports only US-incorporated companies”, and tells companies formed elsewhere they “will need to work with a local lawyer”.

What breaks for an Estonian OÜ

Estonia is the jurisdiction where founders most often assume a SAFE will simply work, because incorporation is so light. The instrument fails on capital mechanics, not on paperwork.

The conditional capital ceiling

Estonia does have a native forward-equity route. Since 1 February 2023 an OÜ may issue convertible bonds and resolve a conditional increase of share capital, so that shares are issued later to the holder without convening a fresh capital increase. The limits are strict. Under the Commercial Code, convertible bonds may only be issued “if prescribed in the articles of association”, and the sum of their nominal values “shall not be greater than one-half of the share capital” (§ 167²(1) and (6)). A conditional increase “to an extent of more than one-half of the existing share capital at the time of the adoption of the resolution is prohibited” (§ 195¹(3)), the reserved shares “shall be paid for only in money” (§ 195¹(6)), and no share may be issued before the conditional increase is entered in the commercial register (§ 195¹(8)).

The ceiling is measured against nominal share capital. Companies incorporated after the minimum was abolished often carry €100 or even €2.50 of nominal capital, and the smallest permitted nominal value of a share is one cent (§ 148(1)). A ceiling of half of a trivial number is a trivial number of shares. That is fixable — you increase nominal capital before the round, and the money raised is not itself capped because shares may be issued at a premium (§ 192¹(5)) — but it has to be done before the resolution, not after the investor wires funds.

Everything else is manageable

A capital increase needs a two-thirds shareholder majority (§ 192(1)), and if the articles must change, that change is decided first (§ 192(2)). Excluding existing shareholders’ pre-emptive rights so the new investor gets the shares needs three quarters and a written management board explanation justifying the issue price (§ 193(3)). Where an investor’s loan is capitalised instead, the claim can be set off against payment for the new share, but it is “valuated as a non-monetary contribution” (§ 194¹) — and where share capital or the increase reaches €25,000, that valuation must be verified by an auditor (§ 143(3)).

Note what is not a problem: Estonian shareholder resolutions do not require notarisation. The notary requirement bites on transfers — “a disposition for the transfer of a share must be notarised” (§ 149(4)), waivable only where share capital is at least €10,000, fully paid, and the articles say so with unanimous shareholder support (§ 149(6)). So the notary is a cost for the investor’s eventual exit, not for the round itself. Our Estonian company formation service covers the capital design decisions that make later rounds cheap or expensive.

What breaks for a Cyprus Ltd

Cyprus is English-derived, so the vocabulary is familiar and the traps are different. The sharp one is price. Under Companies Law Cap. 113 s.56, a public company may not issue shares at a discount at all, and a private company may do so only for a class already issued, only if authorised by a general meeting resolution that specifies the maximum rate of discount, only if the issue is “sanctioned by the Court”, only after at least a year has passed since the company was entitled to commence business, and only within one month of the court’s sanction. That provision is unchanged in the current consolidated Greek text.

This is not fatal — it is a design instruction. Keep nominal value low and route the economics of a discounted conversion through share premium rather than through a discount to nominal. Get it backwards and a conversion that looked automatic on paper becomes a court application.

The rest is calendar discipline. Share capital may only be increased if the articles authorise it, and the power “must be exercised by the company in general meeting” (s.60). Notice of the increase goes to the Registrar within fifteen days of the resolution, and where the resolution delegates authority to the directors to issue and allot, that authority lasts a maximum of five years (s.62). A return of allotments is due within one month, and where shares are allotted as paid up otherwise than in cash, the written contract constituting the allottee’s title must be filed, duly stamped (s.51). None of that sits comfortably with the words “will automatically convert” unless someone is holding the diary. Incorporation choices are covered on our Cyprus company formation page.

Does a SAFE work for a UK company?

Mechanically, a UK private limited company is the friendliest of the three. Substantively, the tax relief the investor wants usually decides the instrument for you.

The company law points are short. A company’s shares “must not be allotted at a discount” to nominal value, and an allottee who receives them is liable for the discount plus interest (Companies Act 2006 s.580) — so, as in Cyprus, low nominal value plus premium is the answer, with the premium credited to the share premium account (s.610). Unlike a plc, a private company does not need an independent valuation of non-cash consideration; that requirement applies to public companies (s.593). And “cash consideration” is defined widely enough to include “a release of a liability of the company for a liquidated sum” (s.583(3)), which is why capitalising a loan is straightforward as a matter of company law. A return of allotment with a statement of capital is due within one month (s.555).

Why SEIS/EIS pushes UK founders to an ASA

Then tax law narrows the field. For both SEIS and EIS the shares must be “subscribed for wholly in cash” and “fully paid up at the time they are issued”, and they are not fully paid up if there is any undertaking to pay cash at a future date (ITA 2007 s.257CA(4)–(5) for SEIS; s.173(3)–(4) for EIS). A convertible loan note fails that test, which is how the advance subscription agreement became the UK market standard.

HMRC’s conditions for an ASA are specific and unforgiving. Its Venture Capital Schemes Manual states that HMRC will not consider an ASA suitable for EIS unless the agreement does not permit the subscription payment to be refunded under any circumstances, cannot be varied, cancelled or assigned, bears no interest charge, and has a longstop date by which the shares must be issued — generally expected to be no more than six months. An ASA used to convert debt or other obligations into shares “will not be considered eligible”. The parallel SEIS requirement is set out at VCM33020.

Read that list against a SAFE and the incompatibility is obvious: a SAFE has no longstop date, can sit outstanding for years, and is explicitly designed to survive until a priced round. A SAFE and SEIS/EIS relief are close to mutually exclusive. If your investor is a UK taxpayer chasing relief, they want an ASA and they want it to expire quickly. See our UK company formation service for the incorporation side.

The three workarounds that actually get used

Instrument	How it converts	Where it fits	Main catch
Convertible loan note	Debt is capitalised on a future round — by set-off in Estonia (§ 194¹), by release of a liquidated liability in the UK (s.583(3))	Estonia, Cyprus, UK; most civil-law jurisdictions	It is real debt until it converts, so it sits on the balance sheet and ranks ahead of shareholders on insolvency
Advance subscription agreement	Cash paid now, shares issued at the next round or by a longstop date	UK, especially with SEIS/EIS investors	Non-refundable, non-assignable, no interest, short longstop — HMRC’s terms, not the parties’
Conditional capital / convertible bond	Shares reserved in advance by shareholder resolution, issued on the holder’s request	Estonia	Articles must allow it; capped at half of existing share capital; must be registered before any share is issued

A fourth option — signing the US SAFE unamended and hoping — is the one to avoid. The document promises an automatic conversion the company may not be able to deliver, and the mismatch surfaces at the worst moment: during the diligence for the priced round that everyone is depending on. Deal documents and conversion mechanics are what our investment deals and SAFEs practice exists to get right before signature.

When a US holding company is the real answer

Sometimes redrafting is the wrong instinct. If the investor is a US fund with an internal policy against non-standard paper, if you expect a US-led priced round within eighteen months, or if you are stacking several SAFEs from different investors who each expect the same form, the cheaper path is to put a company at the top of the group that can issue the instrument the market expects — and let the Estonian, Cypriot or UK company continue as the operating subsidiary.

That is a real restructuring, not a formality: it has transfer-pricing, intellectual property ownership and withholding consequences, and it is far cheaper before the round than after, because every SAFE signed first becomes a consent you need later. Weigh it against our US company formation and Singapore options, and settle the tax structuring question at the same time. Where a flip is not justified, keep the operating company where it is and fix the instrument instead.

The same question in our other markets

Market	Position	Primary source
Singapore	“Shares of a company have no par or nominal value” — no discount problem, and YC publishes a Singapore SAFE	Companies Act 1967 s.62A(1)
Canada, Cayman Islands	Localised YC valuation-cap SAFEs exist, each with an optional side letter; YC still directs you to local counsel	ycombinator.com/documents
Ukraine	No SAFE. An LLC increases charter capital by additional contributions of participants or third parties by general meeting resolution, contributions may be made by set-off of mutual claims, and a contract obliging a third party to contribute against a future share is expressly provided for — the nearest statutory analogue to an ASA	Law No. 2275-VIII, arts. 16, 18(1), 18(5), 18(6), 18(9)
US, UAE, Hong Kong	We confirm the applicable corporate rules per case; this article makes no claim about them	—

Two Ukrainian timing traps a foreign investor’s counsel will not anticipate: art. 18(6) allows a maximum of one year from the resolution for additional contributions to be made, and art. 16(1) blocks any increase until every existing participant has paid its own contribution in full.

What to settle before you sign

Four questions decide the structure, and all four can be answered in a week:

Where is the entity, and what is its nominal share capital today? In Estonia this sets the conditional-capital ceiling; in Cyprus and the UK it determines whether a discounted conversion collides with the rules against issuing below nominal value.
Is the investor claiming a tax relief? A UK SEIS/EIS investor needs an ASA on HMRC’s terms. That single fact removes most of the menu.
Who else is converting, and on what trigger? Several instruments with different triggers landing in one round is where cap tables break.
Is a holding company coming anyway? If yes, do it first.

The housekeeping matters beyond the round: a company with unregistered capital increases, unfiled allotment returns or an unclear cap table struggles with banks and payment providers too — a pattern we describe in why banks reject high-risk business account applications. Our corporate practice handles the resolutions, articles and registry filings that make a conversion actually land.

Can an Estonian OÜ sign a US SAFE?

It can sign it, but it cannot perform it as written. The form converts into “Capital Stock” of a US corporation, and an OÜ issues shares only through a capital increase or a registered conditional increase under the Estonian Commercial Code. In practice the instrument is replaced with a convertible loan capitalised by set-off under § 194¹, or with a convertible bond backed by a conditional increase under § 195¹ — which is capped at one-half of existing share capital.

Is a SAFE debt or equity for a European company?

The SAFE is drafted so as not to be a loan: there is no interest, no maturity date and no repayment right outside a liquidity or dissolution event. That characterisation is a matter of the governing law you choose and of local accounting and tax treatment, which can differ from the drafter’s intention. Because a convertible loan note is a recognised category almost everywhere and a SAFE is not, most European conversions run through the loan note instead.

Does a SAFE qualify for SEIS or EIS relief in the UK?

No. SEIS and EIS shares must be subscribed for wholly in cash and fully paid up when issued (ITA 2007 s.257CA and s.173), and HMRC’s Venture Capital Schemes Manual requires an advance subscription agreement to be non-refundable, non-assignable, interest-free and subject to a longstop date normally no longer than six months. A SAFE has no longstop date and can remain outstanding indefinitely, so it does not fit.

Why does Y Combinator publish SAFEs for Singapore but not for the EU?

Because Singapore shares have no par or nominal value (Companies Act 1967 s.62A), the conversion price is a purely commercial number and the US mechanics port across with limited change. EU member states each have their own share capital regime — nominal values, pre-emption rules, registration steps and, in some, notarial form — so no single European form would work. YC publishes localised valuation-cap SAFEs for Canada, the Cayman Islands and Singapore only, and directs everyone else to local counsel.

Should we flip to a US holding company before raising on a SAFE?

Only if the round genuinely requires it. A flip makes sense when the investor will not accept non-standard paper, when a US-led priced round is expected soon, or when several investors each expect the same form. It is a restructuring with intellectual property, transfer pricing and withholding consequences, and it is materially cheaper to do before instruments are outstanding than after, because each existing holder becomes a consent you need.

What happens if we sign a SAFE anyway and cannot convert it?

The problem usually surfaces during diligence for the priced round, when investor counsel asks how the instrument converts under local law and no one can show a resolution, a registered conditional increase or a compliant subscription. At that point the fix requires the co-operation of every holder at exactly the moment your leverage is lowest, and it can delay or reprice the round. Fixing the instrument at signature costs a fraction of that.

This article is general information about company law in the jurisdictions named, current at the date of publication, and is not legal advice. Rules, thresholds and registry practice change, and the right instrument depends on your cap table, your investor and your timetable. Speak to us before you sign.

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