Grant Thornton Thailand

What Grant Thornton Thailand does

Grant Thornton Thailand is a Bangkok-based professional services firm founded in 1991, operating as an independent member firm of Grant Thornton International Ltd (GTIL), one of the world's largest audit, tax, and advisory networks. The firm employs approximately 270 staff and 12 partners, delivering a comprehensive service portfolio across audit and assurance, tax and legal, advisory, business consulting, human capital consulting, business process outsourcing, business risk services, and cyber services. Client segments span mid-market businesses and large enterprises across financial services, healthcare, hospitality, real estate, technology, consumer products, government and public sector, and not-for-profit organisations, with a dedicated Japanese Business Practice servicing Japanese corporates in Thailand.

The firm leverages proprietary network technology including the Leap Audit Platform and Quality Monitoring Tool (QMT) for audit delivery and quality assurance, and has expanded a Technology & Digital Services practice covering AI, agentic AI, cloud, cybersecurity, and managed IT services. Its revenue model is engagement-based professional services pricing with multi-year contracts, delivered through partner-led direct client engagement and inbound referrals from the global Grant Thornton network across more than 130 jurisdictions, with additional regional coordination across ASEAN.

Growth has been robust: the firm delivered 12.3% revenue growth in 2025, slightly above the 11.2% Asia Pacific regional growth rate of the global network, and cites a 17% annual growth rate on its website. Notable recent engagements include the appointment of its subsidiary Grant Thornton Specialist Advisory Services Co., Ltd as interim executive of JKN Global Group Public Company Limited for a major business reorganisation framework covering Miss Universe Organisation intellectual property rights. The firm is led by CEO and Managing Partner Ian Pascoe and operates a single headquarters at Capital Tower, All Seasons Place in central Bangkok.

Name

Grant Thornton Thailand

Legal name

Grant Thornton Services Ltd.

Website

https://grantthornton.co.th

Company type

Private

Founded year

1991

Operating status

Operating

Headcount range

251–500 employees

Short description

Grant Thornton Thailand is a Bangkok-based professional services firm founded in 1991, providing audit, tax, advisory, consulting, and outsourcing services to mid-market and large enterprise clients across diverse industries as part of the global Grant Thornton network.

Ownership category

akta.pro rank

Headquarters

HQ city

Bangkok

HQ country

Thailand

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure, Others

Revenue model

1. Audit and Assurance Services: Core audit and assurance services including financial statement audits, internal audit, IFRS compliance, and audit quality monitoring for diverse client base.
2. Tax and Legal Services: Comprehensive tax advisory including international tax, transfer pricing, global mobility, tax compliance, VAT, and customs services.
3. Advisory Services: Advisory offerings spanning capital markets, M&A, corporate simplification, restructuring, valuations, risk management, forensic advisory, and transaction advisory.
4. Business Consulting: Business process solutions, system and technology consulting, and digital transformation services.
5. Human Capital Consulting: Executive recruitment, interim executive placement, talent assessment, and candidate background check services.
6. Business Process Outsourcing: Outsourcing services including accounting, payroll, technology and robotics, and staff augmentation.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels8 records

Core offering

Grant Thornton Thailand is a professional services firm delivering audit and assurance, tax and legal, advisory, business consulting, human capital consulting, business process outsourcing, business risk and cyber services to mid-market and large enterprise clients across Thailand. The firm is a member of Grant Thornton International Ltd, leveraging proprietary audit technology (Leap platform) and global network reach to serve diverse industries including financial services, healthcare, real estate, technology, and government sectors.

Product overview

Grant Thornton Thailand is a professional services firm offering a comprehensive portfolio of services organized across multiple practice areas. The core offerings include Audit and Assurance, Human Capital Consulting, Advisory Services (with a dedicated Technology & Digital Services sub-practice covering AI, cloud, cybersecurity and managed IT), Business Consulting (including Digital Transformation), Tax and Legal, Japanese Business Practice, Business Process Outsourcing (including Technology and Robotics), Business Risk Services, and Cyber Services. The firm also offers industry-specific expertise across sectors including consumer products, energy and resources, financial services, healthcare, not for profit, government and public sector, real estate and construction, technology/media/telecommunications, and hospitality/tourism.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• 12.3% revenue growth in 2025
• +2 more outcomes

Named customers4 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

Two partnerships are on record, tiered core.

• International Organization for Migration (IOM)coreStrategic or Co-development Partner · 28 January 2016MOU signed to focus on ethical recruitment and working conditions of migrant labour in South East Asia. Joint research on legal and academic framework, drafting business case for ethical trading and management of migrant labour, working with companies on ethical practices through field testing, validation, and certification. Combines Grant Thornton's assurance and advisory skills with IOM's migration expertise.
• American Chamber of Commerce in Thailand (AMCHAM Thailand)coreGTM or Marketing PartnerGrant Thornton Thailand leaders appointed as co-chairs across three AMCHAM Thailand councils and committees: Government Affairs Council, Tax Council, and Inclusion Committee. Partnership enables thought leadership positioning, client engagement, and market influence in Thailand's business community.

Scale indicators10 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• RSM Thailand: RSM Thailand is the Thai member of RSM International, another leading mid-tier accounting network. Competes with Grant Thornton Thailand on audit, tax, and consulting services for mid-market and owner-managed businesses.
• Crowe Thailand: Crowe Thailand is part of Crowe Global, a top-10 accounting network. Competes with Grant Thornton Thailand on audit, tax, and advisory services for mid-market enterprises in Thailand.
• BDO Thailand: BDO Thailand is the Thai member of BDO Global, a top mid-tier accounting network. Directly competes with Grant Thornton Thailand on audit, tax, and advisory work for mid-market and SME clients in Thailand.
• PwC Thailand: PwC Thailand is the local member of PricewaterhouseCoopers International. Directly overlaps Grant Thornton Thailand's audit, tax, advisory, and consulting offerings for both mid-market and large enterprise clients in Thailand.
• PKF Thailand: PKF Thailand is the Thai member of PKF International, a global mid-tier accounting network. Competes with Grant Thornton Thailand across audit, tax compliance, and advisory for SME and mid-market clients.
• Deloitte Thailand: Deloitte Southeast Asia / Thailand member firm of Deloitte Touche Tohmatsu. Directly competes with Grant Thornton Thailand across audit, tax, advisory, consulting, and risk services for mid-market and large enterprise clients in Thailand.
• KPMG Thailand: KPMG Thailand is the Thai member firm of KPMG International. Competes with Grant Thornton Thailand for audit, tax, and advisory mandates across mid-market, large enterprise, and government sectors.
• EY Thailand: EY Thailand, part of Ernst & Young Global, competes head-to-head with Grant Thornton Thailand across assurance, tax, transaction advisory, and consulting engagements across Thai industries.
• Baker Tilly Thailand: Baker Tilly Thailand is part of Baker Tilly International, a global mid-tier accounting network. Directly overlaps Grant Thornton Thailand on audit, tax, and advisory services for SME and mid-market clients.
• Mazars Thailand: Mazars (now Forvis Mazars) operates in Thailand as part of a global audit and advisory network. Directly competes with Grant Thornton Thailand on audit, tax, and advisory work, particularly for multinational subsidiaries and mid-market clients.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/grant-thornton-thailand
• Xx.com/grantthorntonth

Revenue estimate

Valuation estimate

Number of profiles

Profiles12 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Grant Thornton Thailand