Regulation S looks simple on paper - sell only to non-US investors offshore - but running one teaches you where the real work is, and it is not the headline rule. The hard parts are screening investors rigorously, looking through entities to their real owners, and handling the operational details that a summary skips. This is what we learned running a Reg S raise, written to teach the approach rather than to serve as an offer or a performance record.

This case study describes our structure, choices, and lessons. It is not an offer, and figures are deliberately left out rather than invented.

What Reg S actually requires

Reg S exempts offers made outside the US to non-US persons, with no directed selling into the US and compliance conditions depending on the category. The concept is clean: keep the offering genuinely offshore and genuinely non-US.

The lesson is that "non-US" is a test about substance, not a checkbox. The exemption lives or dies on how seriously you verify it, which is where most of the effort goes.

The screening is the hard part

The single biggest lesson: investor screening is the real work. Confirming each investor is genuinely non-US - and, for entities, looking through to the beneficial owners so a US person is not hiding behind an offshore shell - took more care than the legal structuring or the code.

We treated any US nexus as disqualifying and documented the chain we relied on for every investor. A single improperly admitted US person can jeopardise the whole exemption, so this is not a place to be lax.

Operational details that bite

Beyond screening, the details add up: keeping marketing genuinely non-directed at the US, handling investors whose circumstances change, and maintaining records that prove the offering stayed offshore. None is hard alone; together they demand discipline.

We built the process - and the paper trail - before the raise, not during it. Retrofitting compliance under time pressure is how mistakes happen.

What we'd tell a first-time issuer

Respect Reg S as an operational commitment, not just a legal label. Budget real time for screening and entity look-through, document everything, and keep US-directed marketing off the table entirely.

Done properly, Reg S is a clean way to raise from non-US investors - which is exactly why we use it. Investors see the matching rules in Reg S for investors.

Where to go next

• Next: case study - tokenizing a US construction build.
• The investor's view: Reg S for investors.
• Glossary: Regulation S.

Sources: Unicorn Invest build experience; U.S. SEC (sec.gov), as of 2026.