Office Solutions

Virtual Office for VAT, SSO & Work Permit (Thailand)

We help foreign-owned Thai companies set up a compliant virtual office address that can support VAT registration, SSO registration, and work permit applications—designed for remote operations while remaining inspection-ready for authorities.

Who is it for / Suitable for

Foreign-owned Thai companies needing a compliant address for VAT registration, SSO registration, and work permit applications.

Companies operating remotely or without a full physical office but required to sponsor foreign employees.

Startups, SMEs, and holding companies seeking a cost-efficient yet compliant setup.

Businesses preparing for BOI, non-BOI, or treaty-based work permit applications.

Key Requirements

A legally registered Thai company.

A government-accepted virtual office address suitable for VAT, SSO, and work permit filings.

The address must support physical inspection by authorities if requested.

Valid service/lease agreement covering the work permit period.

Compliance with capital-to-employee ratio and statutory employment rules for work permits.

Authorized director available for signing immigration and labor documents.

Clients need to provide the following information / documents

Document Name

Notarized

Company Affidavit & BOJ5

Latest DBD-issued documents

Director’s passport/ID

Authorized signatory

Virtual office service/lease agreement

Must cover VAT & WP duration

Office map & photos

Required for VAT & WP inspection

Company seal (if applicable)

For official forms

Power of Attorney (if agent files)

Director signs

Yes (if director overseas)

Employee details (for SSO & WP)

Required once hiring occurs

Foreign employee passport & CV

For work permit processing

Average Processing Time

Varies by filing

VAT Registration: 5–10 business days
SSO Registration: 1–3 business days
Work Permit: 7–15 business days (after visa eligibility)

Chat with us via WeChat

or

Chat with us via Line

What you would get when the application is complete

VAT Certificate (PP20)

Activated VAT Tax ID

SSO Employer Registration Number

Work Permit (WP.3 / Digital Work Permit)

Address confirmation accepted by authorities

On-going Compliance Requirements

To keep registrations and work permit support valid:

Monthly VAT filings (PP30)

Monthly SSO contributions for employees

Maintain valid virtual office agreement

Corporate income tax and annual audit filings

Maintain employment ratios for foreign staff

Timely renewal of work permits and visas

Government Agencies Involved

Government agencies involved / overseeing these filings:

Revenue Department (RD)

VAT registration and compliance.

Social Security Office (SSO)

Employer and employee registration.

Department of Business Development (DBD)

Company registration verification.

Department of Employment (DOE)

Work permit issuance.

Thai Immigration Bureau

Visa and stay permissions.

Thanks SiamBusinessLaw to helping us draft a strong agreement and help us see through the case until we have an absolute win case. Appreciate your patience and professionalism

Your law firm handles our case very well and professional. Your regular updates allow us a peace of mind an dmake us feel like we are cared for. Your professional advise gave us a peace of mind too.

Your Burmese team is legit. They gave us the attention and respect we have long missed. We appreciate your work to help us get started properly here in Thailand.

Thank you for assisting us with our case with the Thai Revenue Deparment. We are satisfied with the outcome and we think it is fair.

Your due diligence work for our M&A is done with utmost care and accuracy. It's rare to see such work done by a legal firm in Thailand.

Consult With Our Corporate Advisory Team

Our team is ready to guide you through the full process. Reach us on WeChat or WhatsApp.