Thai companies talk diversity, but LGBTQ+ workplace support lags

New research from Mahidol University finds major Thai listed companies often publish polished diversity language without building the policies, grievance systems or accountability needed to support LGBTQ+ employees. The findings matter as Thailand’s legal progress on equality collides with uneven workplace practice.

Why it matters: - Thai companies may be projecting inclusion publicly while leaving LGBTQ+ employees without clear protections, complaint pathways or day-to-day support. - The gap matters for worker trust, retention, reputation and business-and-human-rights compliance. - Thailand’s legal gains, including marriage equality in 2025, do not automatically translate into workplace equality.

What happened: - Associate Professor Nattavud Pimpa of Mahidol University’s College of Management reviewed the official ONE Reports of ten major Thai listed companies. - The companies spanned banking, energy, telecommunications, retail, agriculture, construction and other sectors. - The research found repeated commitments to diversity, but limited evidence of systems that make those commitments operational. - The paper was discussed in an interview about rainbow washing, business and human rights and workplace inclusion. - The full paper is available here.

The details: - Most companies included well-written statements about respecting diversity. - The reports offered less evidence of policies, monitoring systems, accountability mechanisms or named people responsible for implementation. - Under the UN “Protect, Respect and Remedy” framework, the strongest area was “Protect,” especially basic non-discrimination commitments. - Six of the ten companies performed reasonably well on “Protect.” - Under “Respect,” only three companies explicitly identified LGBTQ+ people as a potentially vulnerable group. - “Remedy” was weak across the sample. - Three companies had grievance mechanisms. - None showed LGBTQ+-specific sensitivity through specialized training, monitoring or complaint tracking. - One company stood out for tangible benefits. - That company offered six days of marriage leave, a wedding allowance, bereavement leave and financial support after the death of a partner. - The benefits were explicitly extended to same-sex couples that could show a committed partnership. - The company was also recognized by UNDP Thailand as one of the country’s “Champions of Equality.”

Between the lines: - Rainbow washing describes public Pride support, such as rainbow logos or sponsorships, without lasting internal change. - The research suggests symbolic support can undermine employee trust when workers see a mismatch between marketing and workplace reality. - That disconnect can become a management and reputational problem, not just an ethics issue. - The findings also show Thailand can look progressive on paper while workplace practices remain uneven across companies and sectors.

What's next: - Pimpa calls for SOGIESC-sensitive human rights due diligence that looks at restrooms, dress codes, employee documentation and systems affecting transgender and gender-diverse employees. - He also recommends inclusive culture-building through training, employee resource groups and mentoring. - The paper calls for structured human rights impact assessments, stronger anti-bullying rules, workplace climate surveys and clearer diversity responsibilities. - Companies are also urged to support anti-discrimination initiatives, scholarships or civil society partnerships. - Pimpa argues gender diversity and human rights should be built into governance, sustainability, HR and leadership education at CMMU. - For HR leaders, the practical test is whether diversity language is backed by a real person, real budget and real system.

The bottom line: - Thai companies have largely mastered the language of inclusion. - The harder task is turning that language into policies, protections and measurable accountability for LGBTQ+ employees.