Sleek
Singapore Sleek provides digital company incorporation, accounting, tax filing, and corporate secretarial services in Singapore, Hong Kong, Australia, and the UK.
Flatfee
Locations
United States
Employees
11-50
Year founded
2022
Featured in expert reviews
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Best 38 Local Payroll Processing Providers in Australia: Reviewed in 2026
About
Flatfee Corp offers flat-rate legal, administrative, and compliance services for companies hiring internationally. The firm supports global hiring with contract management, document preparation, and labor compliance tools. Its structured pricing model simplifies legal and HR processes for distributed teams.
Accounting and Bookkeeping 30%
Entity Setup and Business Incorporation 25%
Payroll Processing 20%
Legal and Compliance Services 25%
Technology/IT 45%
Professional Services 30%
E-commerce/Startups 25%
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via Trustpilot
U
Unknown
Late April 2026
“Offered expedited DUNS service but took 8 weeks; no refund offered. Verified no application was ever made.”
via Trustpilot
U
Unknown
Unknown
“Used flatfeecorp.com to register trademark; very professional and good price.”
via Trustpilot
J
Julia
Unknown
“Used several companies and this is the top notch. Satisfied with cost and service.”
via Trustpilot
U
Unknown
Unknown
“Great company that responds to mail as soon as possible.”
