Guernsey vs Singapore: which jurisdiction wins?

Guernsey vs Singapore — both credible, very different trade-offs. Below: side-by-side on the variables that actually move the decision.

	Guernsey	Singapore
Tax headline	0% (10% banking/insurance)	17% headline, effective 0–8.5% with incentives
Formation days	5	1
First-year cost	$5,500	$3,500
Treaties	12+	90+
Substance	Substance Law 2018	Real substance required for tax residency certificate
Banking	Channel Islands tier-1 banks	Tier-1 banking (DBS, UOB, OCBC) plus EMI ecosystem

Talk to a partner before you incorporate.

Wrong jurisdiction, wrong substance, or wrong bank shortlist is a 12-month problem. A 30-minute briefing fixes 80% of it.