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SUWANVARA LAWFIRM
Suwanvara Law Firm Co., Ltd.
SUWANVARA LAWFIRM
SUWANVARA LAWFIRM
Suwanvara Law Firm Co., Ltd.
Business Law

Employee Share Options and RSUs in Thailand: Tax, Payroll and Company-Law Pitfalls

Parent-company RSUs and options, shares in the Thai company itself, and cash-settled phantom plans each work differently in Thailand. When employees are taxed, what the Thai employer must do on payroll, why a private Thai company cannot simply issue shares to staff, and what happens to awards when someone leaves.

Suwanvara Law FirmEmployment & Corporate TeamSeptember 19, 202610 min read

Why share plans need a Thai check

Global share plans are usually written for the parent company's home country. When they reach employees in Thailand, three separate sets of rules apply at once:

  • Tax — when the employee is taxed, and on what amount
  • Payroll — what the Thai employer must report and withhold
  • Company and employment law — who can issue shares, and what happens when someone leaves

Most problems appear at the first vesting or exercise, when payroll discovers an obligation nobody planned for.

1. Three kinds of plan

PlanWhat the employee receivesMain Thai issues
Parent-company RSUs or optionsShares in the foreign parentTax at vesting or exercise, payroll reporting, recharge, sale proceeds
Shares in the Thai companyShares in the Thai employerCompany-law formalities, pre-emption, shareholder register, foreign ownership
Phantom or cash-settled planA cash bonus linked to share valueTaxed as cash pay; simpler company law

2. When employees are taxed

  • RSUs: generally at vesting, as employment income, based on market value at vesting
  • Options: generally when the employee acquires the shares, on the difference between market value and exercise price
  • Phantom plans: when the cash is paid, like a bonus

For unlisted shares, agree how market value will be determined before the first taxable event. A valuation argued out after the fact is the most common source of payroll corrections.

3. Payroll and withholding

Where the Thai company bears the cost of awards — typically through a recharge from the parent — or the benefit is otherwise treated as paid through the Thai employment, the Thai employer should plan for:

  • Including the benefit in monthly payroll and withholding for the month of the taxable event
  • Reflecting it in annual employee income reporting
  • A method to fund the tax — sell-to-cover, share withholding, or a cash payment from the employee

Even with no recharge, the employee remains taxable in Thailand on the benefit. Employees who find out at year end tend to find out with a bill.

4. The recharge question

Parents often recharge the cost of awards to local subsidiaries. In Thailand a recharge:

  • Needs to be supported by an agreement and board approval of the Thai company
  • Affects whether the cost is deductible for the Thai company
  • Pulls the benefit more clearly into Thai payroll
  • Involves a cross-border payment that must follow exchange-control requirements

Decide the recharge policy at plan launch, not in the first year's accounts.

5. Shares in a Thai private company

Founders of Thai companies often want to give staff equity. Thai company law makes this harder than in many countries:

  • New shares must generally be offered first to existing shareholders in proportion to their holdings
  • Every transfer and holding must be reflected in the shareholder register and annual filings
  • Where employees are foreign, their holdings count toward foreign ownership, which can affect the company's licensing position — see whether your Thai company needs a foreign business licence

Common workarounds:

  • Transfers from founders under an agreed schedule
  • A holding structure that holds the employee pool
  • Phantom shares — a cash payment tied to value, with no shares issued

Each has trade-offs in control, tax and administration. See also what to agree with a partner before the company exists.

6. Leavers and Thai employment law

Plan rules usually define good leavers (retirement, redundancy) and bad leavers (resignation, dismissal for cause), with different outcomes for unvested awards.

Two points to align:

  • The plan does not replace Thai termination obligations — notice, severance and unfair dismissal rules still apply. See severance pay in Thailand
  • The employment contract and the plan rules should describe the same outcome. Where they differ, the employee will rely on the more favourable one

7. Cross-border points

  • Securities and exchange control: offering foreign shares to employees in Thailand, and bringing sale proceeds back, can involve securities-law and exchange-control requirements. Check before launch
  • Personal data: sending employee data to the parent or a plan administrator is a cross-border transfer — see PDPA for HR
  • Tax residence: employees who move in or out of Thailand during the vesting period raise allocation questions — see Thai tax residency and foreign income

Launch checklist

  1. Identify which plan type applies to Thai employees
  2. Confirm taxable events and valuation method
  3. Decide the recharge policy and document it
  4. Set up payroll reporting and a tax-funding method
  5. For Thai-company shares, map company-law steps and foreign ownership effects
  6. Align plan leaver rules with employment contracts
  7. Check securities, exchange-control and data-transfer requirements
  8. Explain the tax to employees before the first vesting

Frequently asked questions

When are RSUs taxed for employees in Thailand?+

Generally at vesting, as employment income. The taxable amount is based on the market value of the shares when they vest. For listed parent-company shares, the market price is readily available; for unlisted shares, valuation becomes a question that should be settled before the first vesting date.

How are share options taxed?+

The benefit is generally treated as employment income when the employee acquires the shares by exercising the option, measured as the difference between the market value of the shares at that time and the price the employee pays. The grant itself is not usually the taxable moment.

Does the Thai employer have to withhold tax on parent-company awards?+

Where the Thai company bears the cost — for example by reimbursing the parent through a recharge — or the benefit is otherwise treated as paid through the Thai employment, the Thai employer should expect to include it in payroll reporting and withholding. Even where the parent grants awards directly without a recharge, the employee remains taxable in Thailand. Settle the payroll treatment before the first vesting or exercise, not after.

Can a private Thai limited company grant shares or options to its employees?+

Not as easily as in many other countries. New shares in a Thai limited company must generally be offered first to existing shareholders in proportion to their holdings, and share transfers and registers follow company-law formalities. Plans for private companies therefore often use transfers from founders, a holding structure, or cash-settled phantom shares instead of newly issued shares.

What happens to unvested awards when an employee leaves?+

That depends on the plan rules, which usually distinguish good and bad leavers. Thai employment law still governs the termination itself — notice, severance and unfair dismissal claims — and forfeiture rules in a plan do not remove those obligations. Make sure the plan rules and the employment contract say the same thing.