What Grant Thornton Belgium does

Grant Thornton Belgium is a privately held professional services firm headquartered in Antwerp, Belgium, operating across seven domestic offices (Antwerp, Brussels, Ghent, Kempen, Liège, Charleroi, Tournai) with 250+ professionals. The firm delivers a comprehensive suite of integrated services spanning Audit & Assurance, Accountancy & Reporting, Tax (corporate, VAT, international, transfer pricing, global mobility), Legal (company law, labor law, IT/GDPR, M&A), and Advisory (transaction advisory, restructuring, valuation, due diligence, ESG consulting, cyber risk, forensic services). Its primary client base is Belgian mid-market and enterprise companies, with secondary segments serving international businesses with cross-border needs and companies in M&A or restructuring processes.

The firm operates under the Grant Thornton International Ltd (GTIL) umbrella, providing access to 80,000+ professionals across 750+ offices in 150+ markets. The Belgium entity is organized through multiple related legal entities (Grant Thornton Accountancy Tax & Legal BV, Grant Thornton Bedrijfsrevisoren BV, Grant Thornton Efficiëntia BV), all of which are member firms of GTIL. Digital tools supporting service delivery include the Equinox Client Portal, Client Web-accounting, MyInsights Digitised Accounting platform, and a VAA Bedrijfswagen Calculator for company-car tax benefits. In September-November 2025, Grant Thornton Belgium joined the Grant Thornton Advisors multinational platform backed by an investor group led by New Mountain Capital.

Grant Thornton Belgium generates revenue through professional services fees determined per engagement based on scope, complexity, and seniority of deployed resources, with no publicly disclosed price lists. Pricing is quote-based for general services, with some fixed-fee arrangements (e.g., Commercial Toolbox Check at a flat rate per legally relevant page). Distribution is exclusively direct via partner-led business development, supplemented by content marketing through 'The Field' blog, seminars, webinars, and newsletters, with cross-border mandates handled through international network referrals.

Name

Grant Thornton Belgium

Legal name

Grant Thornton Belgium BV

Website

https://grantthornton.be

Company type

Private

Operating status

Operating

Headcount range

251–500 employees

Short description

Grant Thornton Belgium is a privately held mid-market professional services firm with 250+ professionals across seven Belgian offices, delivering integrated audit, tax, legal, accountancy, and advisory services to enterprises and international clients as a member of Grant Thornton International Ltd.

Ownership category

akta.pro rank

Headquarters

HQ city

Kempen

HQ country

Belgium

HQ region

Europe

Offices7 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Audit & Assurance Services: Statutory and contractual audit services for financial statements, IFRS reporting, and legal assignments. Revenue generated through professional service fees based on scope and complexity of engagements.
2. Tax Advisory Services: Corporate tax, VAT, international tax, transfer pricing, and global mobility services. Fee-based engagements ranging from compliance to complex advisory mandates.
3. Legal Services: Legal support, company law, labour law, IT law/GDPR, mergers and acquisitions legal support. Hourly fees or fixed-fee arrangements for specific legal deliverables.
4. Advisory Services: Transaction advisory, restructuring, due diligence, valuations, ESG consulting, cyber risk, forensic services. Project-based fees for advisory mandates.
5. Accountancy & Reporting: Outsourcing services, CFO-as-a-Service, global compliance and reporting solutions. Recurring service fees for ongoing accounting and reporting engagements.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels6 records

Core offering

Grant Thornton Belgium is a professional services firm delivering audit & assurance, tax, legal, advisory, and accountancy & reporting services to mid-market and large enterprises across Belgium through 7 offices. The firm also offers digital client tools (Equinox Client Portal, MyInsights Digitised Accounting, Client Web-accounting, VAA Bedrijfswagen Calculator) and draws on the global Grant Thornton International network for cross-border mandates.

Product overview

Grant Thornton Belgium is a professional services firm offering a comprehensive suite of audit, tax, legal, advisory, and accounting services through multiple delivery channels. Their client-facing digital products include Equinox Client Portal for secure document access and communication, Client Web-accounting for online bookkeeping, MyInsights Digitised Accounting for automated and digital accounting solutions, and a VAA Bedrijfswagen Calculator for calculating company car tax benefits. These tools complement their core professional service offerings including audit & assurance, accountancy & reporting, tax advisory, legal services, advisory services (transaction advisory, restructuring, internal audit, risk & compliance, ESG consulting, cyber risk, forensic services), and merger & acquisition advisory.

Differentiator

Problem solved

Functional benefit

Products and services

• Audit & Assurance Statutory and contractual audit services for financial statements, IFRS reporting, agreed-upon procedures, and legal assignments delivered by registered auditors (Bedrijfsrevisoren) for medium-to-large Belgian companies.
• Tax Advisory Corporate tax, VAT, international tax, transfer pricing, global mobility, compensation & benefits, private client, and payroll services delivered by certified tax advisors to Belgian corporates and individuals.
• Legal Services Legal support and contracts, corporate law and M&A, labour and social security law, ICT law/GDPR, Legal Counsel as a Service, and the Commercial Toolbox Check for legal-contract reviews.
• Advisory Services Transaction advisory, restructuring, internal audit, risk & compliance, data analytics & process mining, ESG consulting, cyber risk, forensic / fraud & integrity, and whistleblower legislation services for Belgian corporates.
• Fusion & Acquisition (M&A) Services End-to-end M&A support including valuations, due diligence, independent buy-side and sell-side advice, corporate reorganizations, and legal support for transactions in Belgium.
• Accountancy & Reporting Outsourced accounting, direct and indirect tax compliance, consolidation, CFO-as-a-Service, and Global Compliance and Reporting Solutions for ongoing accounting and reporting mandates.
• International Business Services Advisory and compliance services for internationally active Belgian companies, including transfer pricing, global mobility, international tax & VAT, and IFRS reporting, delivered in coordination with the Grant Thornton International network.
• Subsidy Advisory Advisory on obtaining and managing Belgian and regional government subsidies for corporate clients.
• Equinox Client Portal A secure online portal for clients to access documents, communicate with advisors, and manage their engagement with Grant Thornton Belgium.
• MyInsights Digitised Accounting Digitised accounting solution providing automated bookkeeping, real-time financial insights, and digital document management for Grant Thornton clients.
• VAA Bedrijfswagen Calculator Online calculator for determining the taxable benefit in kind (VAA) for company cars for Belgian employees for income year 2026.

Named customers3 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• Grant Thornton DenmarkcoreStrategic or Co-development Partner · 27 March 2026Grant Thornton Denmark joined the Grant Thornton Advisors multinational platform, bringing 650 professionals and €85 million in annual revenue. This expands the platform to 18 firms worldwide, with ten European firms now part of the platform.
• Grant Thornton AdvisorscoreStrategic or Co-development Partner · 24 November 2025Grant Thornton Belgium joined the integrated multinational platform of Grant Thornton Advisors. The platform is backed by investor group led by New Mountain Capital. Belgium firm becomes part of platform spanning Americas, Europe, Middle East, and Asia-Pacific with nearly 25,000 professionals.
• Grant Thornton International Ltd (GTIL)coreStrategic or Co-development PartnerGTIL is the global umbrella organization for the Grant Thornton network. All member firms including Belgium operate under the Grant Thornton brand and have access to the global network of over 150 markets.
• Grant Thornton PolandminorStrategic or Co-development PartnerGrant Thornton Poland joined the multinational platform as part of European expansion.
• Grant Thornton FranceminorStrategic or Co-development PartnerGrant Thornton France is part of the European platform network.
• Grant Thornton IrelandminorStrategic or Co-development PartnerGrant Thornton Ireland serves as regional hub; Steve Tennant is EMEA CEO of the platform and Managing Partner.
• Grant Thornton NetherlandsminorStrategic or Co-development PartnerGrant Thornton Netherlands collaborates with Belgium on cross-border matters including tax advisory for Belgium-Netherlands employment situations.

Scale indicators4 records

Recent moves8 records

Expansion highlights5 records

Direct peers

• Moore Belgium: Moore Belgium is part of Moore Global, providing audit, tax, accounting, and advisory services to mid-market businesses. Direct competitor in the same Belgian mid-market segment with similar network-backed international capabilities.
• Mazars Belgium: Mazars Belgium is part of the Mazars integrated partnership, providing audit, tax, and advisory services. Comparable to Grant Thornton Belgium in service lines and mid-to-upper-mid-market client focus in Belgium.
• RSM Belgium: RSM Belgium is the Belgian member of RSM International, offering audit, tax, and advisory services focused on mid-market enterprises. Closely comparable to Grant Thornton Belgium in size, positioning, and global network affiliation.
• BDO Belgium: BDO Belgium is the Belgian member of BDO Global, providing audit, tax, legal, and advisory services to mid-market clients. Directly comparable to Grant Thornton Belgium in service mix, target segment, and network-driven cross-border model.
• Crowe Belgium: Crowe Belgium, part of Crowe Global, provides audit, tax, and advisory services to mid-market Belgian clients. Comparable in size, service mix, and mid-market focus to Grant Thornton Belgium.
• Baker Tilly Belgium: Baker Tilly Belgium is the Belgian member of Baker Tilly International, offering audit, tax, and advisory services. Comparable mid-tier competitor serving Belgian middle-market companies with similar service portfolio.

Broad incumbents

• EY Belgium: EY Belgium is a Big Four firm offering assurance, tax, legal, and consulting services. Larger competitor in Belgium with overlapping service offerings, particularly in audit and transaction advisory.
• PwC Belgium: PwC Belgium is a Big Four firm providing audit, tax, legal, and advisory services. Competes for large Belgian audit and advisory mandates; significantly larger scale than Grant Thornton Belgium but overlaps in service lines.
• Deloitte Belgium: Deloitte Belgium is a Big Four firm offering audit, tax, legal, consulting, and advisory services across all major industries. Competes with Grant Thornton Belgium primarily for upper-mid-market and large-cap clients, with broader portfolio and deeper resources.
• KPMG Belgium: KPMG Belgium is a Big Four firm providing audit, tax, and advisory services. Competes with Grant Thornton Belgium across audit, tax, and advisory practices, with significantly larger scale and resources.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/grant-thornton-belgium

Revenue estimate

Valuation estimate

Number of profiles

Profiles12 records

Subsidiaries3 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 Grant Thornton Belgium