Salles Sainz - Grant Thornton, S.C.

What Salles Sainz - Grant Thornton, S.C. does

Salles Sainz - Grant Thornton, S.C. is a Mexico-based professional services firm founded in 1979 by Juan C. Salles, Manuel Sainz, and José Luis González Lozano. The firm is the Mexican member of Grant Thornton International Ltd (GTIL) and provides audit, tax, transfer pricing, international trade and customs, business advisory, and business process outsourcing (BPS) services. It operates approximately 1,000 professionals across nine offices in Mexico City (headquarters), Aguascalientes, Ciudad Juárez, Guadalajara, Monterrey, Puebla, Puerto Vallarta, Querétaro, and Tijuana. Leadership is headed by Mauricio Brizuela as President of the Board and Managing Partner.

The firm's service portfolio is organized into core practice areas — Auditoría (financial statement audits, fiscal opinions, IFRS/NIIF compliance), Impuestos (domestic and international tax, social security), Precios de Transferencia, Comercio Exterior y Aduanas (including IMMEX program support), Business Advisory Services (anti-money laundering, IT consulting, forensic, risk, transactional advisory, internal audit, family business services, corporate governance), and Business Process Solutions (external controllership outsourcing and human capital services). Specialized offerings include a Japan Desk serving Japanese clients in Japanese language, an International Business Center leveraging GTIL's 156-market network, and COUPA procurement platform implementation. The firm does not develop proprietary software products; it delivers services through partner-led engagements supported by professional staff.

Salles Sainz operates a professional services revenue model with engagement-based pricing that is not publicly disclosed. Go-to-market is direct, relationship-based enterprise field sales delivered through the firm's nine offices and supported by referrals and cross-border engagements routed through the Grant Thornton International network of 72,000 professionals. Primary customer segments are large Mexican corporations and publicly listed companies, mid-to-large private enterprises, family-owned businesses, Japanese companies operating in Mexico, and international firms requiring Mexican-market access. Distribution relies on direct partner engagement plus thought-leadership content (Alertas GT, Boletines de economía, Women in Business, IAS 7 perspectives) as the principal demand-generation channel. The firm has been recognized as Empresa Socialmente Responsable for 20 consecutive years and as Mexican Firm of the Year in Transfer Pricing by Corporate INTL Global Awards in 2021 and 2022.

Name

Salles Sainz - Grant Thornton, S.C.

Legal name

Salles, Sainz - Grant Thornton, S.C.

Website

https://grantthornton.mx

Company type

Private

Founded year

1979

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Salles Sainz - Grant Thornton, S.C. is a Mexican professional services firm offering audit, tax, transfer pricing, customs, business advisory, and outsourcing services. With approximately 1,000 professionals across nine offices, it serves private and publicly listed companies as a Grant Thornton International member firm.

Ownership category

akta.pro rank

Headquarters

HQ city

Jardines De San Mateo

HQ country

Mexico

HQ region

Latin America

Offices9 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Auditoría (Audit): Audit services including financial statement audits, tax opinions, and IFRS compliance audits for private and publicly listed companies.
2. Impuestos (Tax): Tax consulting and advisory services covering Mexican tax, international tax, social security, and local contributions.
3. Business Advisory Services: Advisory services including anti-money laundering, business consulting, IT consulting, forensic consulting, risk consulting, transactional advisory, internal audit, and more.
4. Precios de Transferencia (Transfer Pricing): Transfer pricing advisory and compliance services recognized by Corporate INTL Global Awards.
5. Comercio Exterior y Aduanas (International Trade & Customs): Customs and international trade advisory services including foreign trade regulations and compliance.
6. Business Process Solutions (Outsourcing): Outsourcing services including external accounting (contraloría externa) and human capital services.
7. Japan Desk / International Business Center: Specialized desks serving Japanese companies and international businesses seeking to operate in global markets through the Grant Thornton network.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

Salles Sainz - Grant Thornton, S.C. is a Mexican professional services firm providing audit, tax, transfer pricing, international trade and customs, business advisory (including AML, IT, forensic, risk, transactional advisory, and internal audit), and business process solutions (outsourcing such as external accounting/controller functions and human capital services) to private and publicly listed companies operating in Mexico. The firm also operates a Japan Desk and an International Business Center that connects Mexican clients to the Grant Thornton international network spanning 156 markets.

Product overview

Salles Sainz Grant Thornton is a professional services firm offering a comprehensive portfolio of advisory services organized around core practice areas. The firm provides Audit services (financial statement audits, IFRS compliance, fiscal opinions), Tax services (domestic and international tax advisory), Transfer Pricing, International Trade & Customs advisory, and Business Advisory Services encompassing consulting, forensic services, risk management, and IT consulting. Additional offerings include Business Process Solutions (outsourcing), an International Business Center leveraging Grant Thornton's global network across 156+ markets, and a specialized Japan Desk for Japanese clients. The firm also offers specialized tools such as a generator for vulnerable activity notices (anti-money laundering compliance). The portfolio operates as a unified professional services offering with specialized practices that can be engaged individually or in combination.

Differentiator

Problem solved

Functional benefit

Products and services

• Auditoría (Audit) Professional audit services including financial statement audits, fiscal opinions (dictamen fiscal), and International Financial Reporting Standards (IFRS/NIIF) compliance services for private and publicly listed companies in Mexico.
• Impuestos (Tax) Tax consulting and advisory services covering domestic and international tax planning, social security compliance, fiscal compliance, and local contributions for Mexican and multinational companies.
• Precios de Transferencia (Transfer Pricing) Transfer pricing advisory, documentation, planning, and compliance services for multinational corporations operating in Mexico, recognized by Corporate INTL Global Awards in 2021 and 2022.
• Comercio Exterior y Aduanas (International Trade & Customs) Customs and international trade advisory services including foreign trade regulations, customs compliance, IMMEX program support, and trade facilitation for manufacturing and trading clients in Mexico.
• Business Advisory Services (BAS) Comprehensive business consulting including anti-money laundering prevention and detection, business consulting, IT consulting, forensic services, risk consulting, transaction advisory, internal audit, corporate governance, valuations and M&A, family business services, and organizational/culture advisory.
• Business Process Solutions (BPS) Outsourcing services including external controller functions (contraloría externa) and human capital services for clients seeking to outsource back-office finance and HR functions.
• International Business Center Global network coordination service providing access to Grant Thornton's network spanning over 156 markets worldwide for international clients seeking cross-border advisory and market entry support.
• Japan Desk Dedicated service desk for Japanese companies (日系企業グループ) providing localized advisory services in Japanese language for Japanese corporations operating in or entering the Mexican market.
• Generador de avisos para actividades vulnerables Online tool for generating notices for vulnerable activities as part of Mexican anti-money laundering compliance requirements.
• COUPA Implementation Service Implementation services for Coupa procurement and expense management software, helping clients deploy the Coupa platform.

Quantifiable outcome

• 20 consecutive years recognized as Empresa Socialmente Responsable (ESR)
• +1 more outcomes

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

One partnership is on record.

• Grant Thornton International Ltd (GTIL)coreStrategic or Co-development PartnerSalles, Sainz – Grant Thornton, S.C. is a member firm of Grant Thornton International Ltd, one of the world's leading organizations of independent audit, tax, and advisory firms. Through this membership, the firm has access to the Grant Thornton global network spanning 156 markets with approximately 72,000 professionals. All member firms share a commitment to consistently deliver high-quality services to clients of any size anywhere in the world. The firm also participates in international committees including the International Auditing and Assurance Standards Board, SEC Regulations Committee, FASB Emerging Issues Task Force, and IFAC.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Deloitte Mexico (Galaz, Yamazaki, Ruiz Urquiza): Big 4 firm offering audit, tax, consulting, and advisory services across Mexico. Directly competes with Salles Sainz for large-cap audit, transfer pricing, and cross-border tax mandates.
• EY Mexico (Mancera, S.C.): Big 4 firm providing audit, tax, and advisory services in Mexico. Competes directly with Salles Sainz on large-company audit, tax compliance, and transaction advisory work.
• KPMG Mexico (KPMG Cárdenas Dosal): Big 4 firm in Mexico with a full audit, tax, and advisory practice. Direct competitor, particularly for multinational clients and complex tax/transfer pricing engagements.
• PwC Mexico: Big 4 firm offering audit, tax, and advisory services in Mexico. Competes directly with Salles Sainz for audit, customs, and large corporate tax engagements.
• BDO Mexico (BDO Castillo Miranda y Asociados): Member of the BDO global network, providing audit, tax, and advisory services in Mexico. Closest international mid-tier peer to Salles Sainz in scope, positioning, and client mix.
• Chevez, Ruiz, Zamarripa y Cía., S.C. Leading Mexican tax advisory firm specializing in domestic and international tax, transfer pricing, and customs. Direct competitor, particularly for cross-border tax and transfer pricing mandates.
• RSM Mexico: Member of the RSM global network offering audit, tax, and consulting in Mexico. Closely comparable mid-tier international network peer.
• Forvis Mazars Mexico: International audit and advisory network with operations in Mexico (formerly Mazars). Direct competitor across audit, tax, and advisory for mid-cap and large-cap clients.
• Baker Tilly Mexico: Member of the Baker Tilly global network offering audit, tax, and advisory in Mexico. Comparable mid-tier international network peer.

Regional players

• Grant Thornton US (Grant Thornton Advisors LLC): U.S. member firm of Grant Thornton International, sister firm to Salles Sainz. Operates from a different (U.S.) market but shares brand, methodology, and cross-border referral pipelines.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/grantthorntonmx

Revenue estimate

Valuation estimate

Number of profiles

Profiles14 records

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 Salles Sainz - Grant Thornton, S.C.