Get GSTC-Certified the Thai Way: Simple. Local. Profitable. Join boutique hotels across Thailand who've enhanced their
reputation while staying authentically Thai.
Complimentary
Preliminary Audit!
For the first clients
100% Local Support
No Risk Guarantee
30-90 Day Process
🌟 GSTC Certified Partner
Transform Your
Thai Hospitality
into a more 
Sustainable Brand
Why Boutique Thai Hotels Trust UCSL
We understand Thai hospitality culture and work with you to enhance your
reputation without compromising your identity.
🗣
Local Support
Get guided by locals, in English
All communication, documentation, and
support provided by local
hospitality experts who understand your
culture.
🛎
Keep Your Charm
Stay authentic—certification enhances,
not erases
We help you highlight what makes your
hotel uniquely Thai while meeting
international sustainability standards.
💰
Real ROI
Save costs, boost bookings, get media
attention
Reduce operational costs through
efficiency, attract eco-conscious travelers,
and gain recognition in tourism media.
Real Results.
See how sustainability certification transformed these authentic properties
16 Years
In Industry
100%
Success Rate
100%
Local Support
"
Guests now see us as both authentic and
trustworthy. Our bookings increased 45%
in the first year.
Khun Siriporn
Boutique Resort Owner, Chiang Rai
"
English forms. Local Auditor.
Just step-by-step guidance in Thai. Perfect
for us.
Natthawut
Hotel Manager, Hua Hin
"
The certification helped us stand out to
international guests while keeping our Thai
heart.
Malee
Eco-Lodge Owner, Koh Samui
🏆 GSTC Recognized Partner
🇭 Tourism Authority of Thailand Partner
Your Path to Certification—Made for Thai Hotels
A simple, culturally-sensitive process designed specifically for Thai boutique hotels and resorts
1
📞
30 minutes
Free Consultation
30-minute call to understand your hotel's unique character
and sustainability goals
2
🏨
1-2 days
Self-Assessment Checklist
Shared immediately upon signing the contract, this structured tool helps you review your current practices against the GSTC Criteria.
3
📋
30-90 days
Online Documentation Review & Gap Analysis
Our team conducts a remote review of your Sustainability Management System across all 42 GSTC criteria. You’ll receive a gap analysis report with observations to help you address any nonconformities before the audit.
4
🏆
Ongoing
Certification + Onsite Certification Audit
A 1.5 to 2-day onsite visit by an accredited auditor to verify conformance with the GSTC standard.
Your Path to Certification—Made for Thai Hotels
A simple, culturally-sensitive process designed specifically for Thai boutique hotels and resorts
1
📞
30 minutes
Free Intro Call
30-minute call to understand your hotel's unique character
and sustainability goals
2
🏨
1-2 days
Self-Assessment Checklist
Shared immediately upon signing the contract, this structured tool helps you review your current practices against the GSTC Criteria.
3
📋
30-90 days
Online Documentation Review & Gap Analysis
Our team conducts a remote review of your Sustainability Management System across all 42 GSTC criteria. You’ll receive a gap analysis report with observations to help you address any nonconformities before the audit.
4
🏆
Ongoing
Certification Audit
A 1.5 to 2-day onsite visit by an accredited auditor to verify conformance with the GSTC standard.
Ready to Start Your Journey?
Most hotels complete the certification process in 30-90 days with our local support
🌟 Limited Time: Free Preliminary Audit
Ready to Lead Thai Hospitality
into the Future?
Book your free, no-pressure consultation today—100% Local
Download Free Guide
Quick Start
Begin within 7 days
100% Local Support
English language
Only 5 consultation slots available this month