Sleek
Singapore Sleek provides digital company incorporation, accounting, tax filing, and corporate secretarial services in Singapore, Hong Kong, Australia, and the UK.
FlagTheory
Locations
Singapore
Employees
11-50
Year founded
2012
About
FlagTheory provides advisory services on international structuring, tax residency, citizenship-by-investment, and asset protection. The firm helps entrepreneurs and globally mobile individuals optimize tax exposure and regulatory risk across jurisdictions. Its services include residency planning, entity formation, and strategic global mobility.
Entity Setup and Business Incorporation 40%
Accounting and Bookkeeping 30%
Legal and Compliance Services 30%
Technology/IT 40%
Professional Services 30%
Financial Services 30%
Case studies
FlagTheory
Case Study: Investment in Farmland - New Zealand Residency
An investor wanted to deploy 10 million NZD into New Zealand for his family and start a farm while obtaining New Zealand residency. The investor successfully obtained New Zealand residency for hims...
Agriculture/Investment
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FlagTheory
Case Study: South African Software Shop in Thailand - BOI Company Structure
A South African entrepreneur running a software development business faced multiple challenges operating in Thailand. The South African entrepreneur successfully established a legitimate, tax-optim...
Software Development/Technology
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FlagTheory
Case Study: Australian Entrepreneur Achieves 10% Tax Rate in Philippines
An Australian entrepreneur wanted to relocate to the Philippines to take advantage of the country's excellent human resources (college-educated, English-speaking workforce) and business opportuniti...
Business Process Outsourcing/Technology
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Anonymous
Jul 1, 2026
“I'd engage with FlagTheory again in a flash. Everyone goes above and beyond with offshore company bureaucracy.”
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Anonymous
Jul 1, 2026
“Great company. They've been helping us for years and been extremely professional!”
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Anonymous
Jul 1, 2026
“Very responsive and supportive firm, quick turnaround, and reasonable fees.”
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Anonymous
Jul 1, 2026
“Professional, efficient, and highly knowledgeable team. They provided clear advice and resolved our issue quickly.”
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PlaySmart
Jul 1, 2026
“Worked with Flag Theory for over 4 years. Professional, knowledgeable, always supportive. Highly recommend.”
