Grant Thornton Belgium joins the integrated multinational platform of Grant Thornton Advisors

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Mergers & acquisitions

What should you best be taking into account when selling your business or buying another business?

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Valuations
For organisations involved in a transaction, dispute, merger, acquisition or restructuring, the value of the company involved and its assets will be an important commercial consideration. A clear and thoughtful view of the respective value is therefore essential in such situations.
Due diligence
Due diligence identifies risks and examines potential financial, tax, legal or operational pitfalls. We offer robust due diligence services, clearly tailored to our clients' requirements.
Independent trusted advice
Do you want to sell your business or rather grow it through an acquisition?
Corporate reorganisations
Redesigning your group structure can mean significant cost savings and/or efficiency improvements. The restructuring provisions of the Companies and Associations Code (merger, demerger, contribution or transfer of branch of activity, etc.) provide you with the legal means to achieve this.
Legal support
Mergers and acquisitions represent a challenge for dynamic organisations. As a manager or entrepreneur, you want to look at this challenge from all sides to obtain the best conditions. That is why our professionals work on the basis of integral process management during merger, sale or acquisition processes.

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Gaining a clear understanding of the value of your business is essential for making strategic decisions. These decisions determine the future development of your assets. It is important to note that value is the result of a calculation and varies depending on the valuation method. The price someone is willing to pay may differ from the value and is usually the result of negotiations.

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Doing business internationally

If your business has some success domestically, a possible next step is to look at international entrepreneurship.

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Transfer pricing
Our experts help document your transfer pricing principles, intra company transactions and internal reporting and organisation. They design and implement settlement pricing structures for both national and multi-national companies. When services are centralized, they determine acceptable costs and margins.
Global mobility services
International employment has become a standard practice in today's HR policies. Nevertheless, it raises several questions for both the expat and the employer.
International tax & VAT
If your business has grown internationally or if you’re considering to take the step to expand abroad, you want to continue maximizing your efforts. Where domestic corporate tax laws may already be quite complicated, local legislation in other countries and international tax laws will most certainly add to the complexity of your business environment and organization.
IFRS reporting
IFRS reporting services for international groups and SMEs.

Audit & Assurance

Our services can strengthen your business and stakeholders' confidence. You'll receive professionally verified results and insights that help you grow.

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Financial statement audit
As a large organisation, you are required by law to appoint an auditor to report to the general meeting on the (consolidated) financial statements.
Agreed upon procedures
As an entrepreneur or manager, you may entrust specific work to your company auditor. The nature, extent and scope of these activities or procedures are always mutually agreed upon.
IFRS reporting
The European International Financial Reporting Standards (IFRS) have been mandatory for listed companies in the European Union since 2005. However, these standards also offer specific advantages for unlisted companies and SMEs.
Legal assignments
When significant events occur, the Companies Act imposes audit and reporting obligations on your company. In which cases is reporting required?

Advisory

Our progressive thinkers offer services to help create, protect and transform value today, so you have opportunity to thrive tomorrow.

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Transaction advisory services
As independent advisers, our transaction specialists offer independent advice, not just on the financial aspects, but throughout the transaction cycle. Their independence is beneficial both to buyers as well as sellers. Our advisers work according to a structured methodology, keeping track of all financial, operational and strategic elements.
Restructuring
Based on our "to-the-point" analyses, we identify with you the appropriate restructuring opportunities to help improve cash flows, results and balance sheet positions in the short term.
Internal audit
An effective internal audit function helps dynamic organisations better manage risks and turn them into opportunities.
Risk and compliance management
What are the risks to my business? What steps should I take to avoid these risks? Our business-risk advisers will be happy to help you get started.
Data analytics & process mining
Companies have a huge amount of data at their disposal, and that amount of information is also increasing every day. Gaining deeper insight through data analysis can increase the value, commercial challenge and level of understanding of the business.
Process optimisation and internal controls
Futureproof organisations need to regularly revisit their strategies and objectives thereby optimizing their tactics, processes, internal controls and systems
ESG Consulting
Get to work on sustainability with Grant Thornton’s assistance. Choose our concrete, tailor-made solutions and embed ESG in your business operations.
Cyber risk services
Cybersecurity and data privacy threats evolve on a daily basis. It is essential to recognize the threats, understand your exposure, balance your priorities and formulate a comprehensive response. We provide support in addressing both global and local cybersecurity and privacy compliance needs. We assess the risks of cyberattacks and the maturity of security programs, and we recommend and implement workforce, process and technology solutions to protect information assets. Contact us for a solid strategy that will help you proactively manage cyber risks both inside and outside your organization. We are ready to help you safeguard your future.
Forensic & integrity
Fraudsters become more inventive and can adopt different strategies depending on their target’s weaknesses. It is therefore crucial to ensure the appropriate level of fraud risk preventative measures are present in your organization.
Whistleblow services
A whistleblowing programme helps your organisation to both prevent and detect fraud quickly. That way, you can reduce and even avoid fraud losses.

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Tax

Our tax services help you gain trust and stay ahead, enabling you to manage your tax transparently and ethically.

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Corporate tax
Laws on taxation are dynamic. Making sure your organization’s liabilities are met, requires constant monitoring and managing. Our advisers can offer case-by-case advice, help you coordinate, assist in filing reports, assess your risks, … or fully execute compliance processes.
VAT
This requires a high level of experience, knowledge and insight of indirect tax, but also of your industry and organisation. Our team of full-time VAT specialists can assist you in various fields, ranging from advice and risk control to implementation and optimisation. As companies need advice as well as assistance and support, we execute and assist in fulfilling the necessary formalities and apply for permits.
International tax & VAT
If your business has grown internationally or if you’re considering to take the step to expand abroad, you want to continue maximizing your efforts. Where domestic corporate tax laws may already be quite complicated, local legislation in other countries and international tax laws will most certainly add to the complexity of your business environment and organization.
Compensation & benefits
To recruit and retain the best talent, it is essential to offer optimised and competitive pay packages. Grant Thornton helps you put together attractive packages tailored to your activity and the profile and expertise level of your employees.
Transfer pricing
Our experts help document your transfer pricing principles, intra company transactions and internal reporting and organisation. They design and implement settlement pricing structures for both national and multi-national companies. When services are centralized, they determine acceptable costs and margins.
Global mobility services
In a globalised world, businesses must work seamlessly across borders. Organisations operate in multiple countries and view international expansion as a strategic objective. International talent mobility is a key element of a successful global business and with it comes challenges and risks, as well as opportunities. With ever changing global tax regulations, an effective, compliant and cost-efficiently managed international mobility program is a critical component of successful talent management and business operations.
Private client services
Our solutions include dealing with emigration and tax mitigation on the income and capital growth of overseas assets.

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Legal

Our legal services help you understand the legal risks and opportunities when making business decisions.

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Legal support & contracts
Running your business on a day-to- day basis often has legal consequences. Not only key moments such as take-overs, shares transactions and mergers require legal support, but also your organisation’s daily operations. This is why our legal advisers are equipped to provide you with advice in many fields, both at a national and at an international level. They develop an understanding about your organisation’s activities and development plans. This allows them to offer you up-to date, relevant advice supporting your business.
Company law & acquisitions
Your organisation is accountable towards many stakeholders: shareholders, board members, management and many more. Needless to say expert support to fulfill all reporting requirements can mean added value to your business.
Labour and social security law
Belgian labour and social security legislation is a maze of schemes and regulations that employers tend to get lost in. Our legal experts issue advice and assist you, from the employee joining the company until leaving the company due to termination, retirement etc
IT law & GDPR
Every business depends on ICT support. Given the business-critical nature of many ICT applications, concluding solid contracts is an absolute must. Grant Thornton has extensive expertise in consulting on and drafting various types of ICT contracts.
Legal Counsel as a Service
Does your company need a 100% committed 'specialised' generalist who really knows the ins and outs of your company? Someone who thinks from your business perspective and provides pragmatic legal support by knowing your business strategy, its operations and business specifics? We can answer this need with "Legal counsel as a service".
Commercial Toolbox Check by Grant Thornton
A commercial toolbox is a collection of essential documents and templates that businesses use to manage their commercial relationships and transactions. This includes general terms and conditions of sale, service agreements, template client contracts, cookie policies, and other legal documents. By maintaining a well-organized and up-to-date commercial toolbox, you ensure that your business operates smoothly, remains compliant with the latest legal requirements, and is prepared to handle any commercial challenges that may arise.

Accountancy & reporting

Our accountancy and outsourcing services remove the burden and worry of back office processes and reporting requirements across multiple jurisdictions.

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Accounting & reporting
At Grant Thornton, we offer you our accounting services either on a fully outsourced basis or a co-sourced basis. Whether you choose to have our experts to take care of all of your financial reporting requirements on your behalf or you choose to use our services for a project or a part of your accounting function, we have the skills and experience to deliver the right quality output you need.
CFO-as-a-service
Are you a dynamic SME and do you want to be able to fall back on the expertise of a CFO? But is a full-time CFO still too big a step for your organisation? Grant Thornton offers you CFO-as-a-service.
Outsourcing
Your financial information is an important management tool. That is why it is important your entire reporting process, from budgeting to filing financial statements is in line with your strategy and information needs.
Consolidation
Our experts have a broad practical experience in consolidation. The methodology that we apply, guarantees a complete transparence of the consolidated data.
Global Compliance and Reporting Solutions
As an entrepreneur operating in different countries, you are often confronted with various local obligations (VAT, direct taxes, financial reporting, etc.). Thanks to our Global Compliance and Reporting Services (GCRS), we offer you the solution in this regulatory tangle.
Commercial Toolbox Check by Grant Thornton
A commercial toolbox is a collection of essential documents and templates that businesses use to manage their commercial relationships and transactions. This includes general terms and conditions of sale, service agreements, template client contracts, cookie policies, and other legal documents. By maintaining a well-organized and up-to-date commercial toolbox, you ensure that your business operates smoothly, remains compliant with the latest legal requirements, and is prepared to handle any commercial challenges that may arise.

Grant advice

As an entrepreneur, you are occupied with the core business of your company every day. As a result, you often do not have time to find out which grants and...

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Career

Whether you are a young graduate, professional with experience or experienced manager, at Grant Thornton we’ll focus on your development, while respecting your...

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How we realise your ambitions

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Values and business culture
Our values guide us globally in the right direction to support our clients and ensure our own evolution, both individually and within our teams.
Flexibility and work-life balance
Flexibility and responsibility are our core values, both at work and beyond. So you can be ambitious while continuing to pursue a good work-life balance.
Client portfolio
We learn and grow together with our customers. That is why you get a varied customer portfolio with companies from very diverse sectors.
International network
With 62,000 colleagues in over 140 countries, we are one of the largest accountancy and advisory firms worldwide. You benefit from that enormous expertise.
Inclusive business culture
Whatever your experience, background, race, diploma, gender or orientation, you are welcome! We are interested in you as a person, so bring your full story with you.

Young graduates

Recently graduated? As a junior in audit, accountancy, tax & legal or advisory you have room to grow. While respecting your own rhythm and work-life balance.

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Experienced professionals

Professional with experience and ready for a new step in your career? With a customised career plan you will grow at your own pace and in line with your...

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Experienced managers

Plenty of expertise in audit, accountancy, tax & legal of advisory? Join our growth project and be part of a world-class consultancy firm.

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Portal

Equinox Client Portal

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Client Web-accounting

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MyInsights Digitised Accounting

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Remote support

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Client feedback

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Benefit in kind company cars

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A strategic partnership focused on long-term growth and innovation

Grant Thornton Belgium, the audit, accountancy and advisory firm, today announces it will be joining the integrated multinational platform of Grant Thornton Advisors LLC (Grant Thornton Advisors). At the same time, Grant Thornton France and Grant Thornton Spain are also joining this rapidly expanding multinational platform.

Grant Thornton Advisors is supported by an investor group led by New Mountain Capital and initiated its multinational platform strategy in January 2025. Members of the platform also remain part of the Grant Thornton International network, which provides access to more than 150 markets around the globe.

The platform has pioneered a uniquely cohesive, multidisciplinary approach that delivers the highest quality cross-border services through a unified and independent audit and advisory practices.

A key role in the European ecosystem

Grant Thornton Belgium, with more than 250 professionals, is strategically located in Belgium, a critical hub of business and political decision-making in Europe.

The accession of Grant Thornton Belgium marks an important milestone: the Belgian firm has extensive expertise in cross-border assignments, mergers and acquisitions, audit, accountancy, tax and legal, and business advisory services. Through integration into the platform, Belgian clients will benefit from an even stronger international presence and gain access to an even more extensive array of industry expertise and innovative solutions. Our professionals will benefit from enhanced international cooperation, career opportunities, and access to cutting-edge technologies and AI-driven tools.

The transaction is expected to be finalized in the coming weeks.

Leslie Van den Branden, managing partner of Grant Thornton Belgium: “Joining this powerhouse platform marks a strategic step forward for our firm. It strengthens our ability to deepen global collaboration while remaining deeply connected to our local clients. Above all, it enables us to further invest in our people and our clients, and the technologies that strengthen our capabilities and empower our teams. With our proven expertise and strategic location at the heart of European business, we’re confident this important milestone will drive innovation and accelerate long-term growth.”

Jim Peko, CEO of Grant Thornton Advisors LLC: “Expanding the platform into France, Spain and Belgium is a defining chapter in our journey and represents a sea change in how our industry serves clients. We’re furthering our commitment to growth across services, industries and geographies. And we’re solidifying Grant Thornton as the platform of choice for talent and technology, underpinned by exceptional quality and our one-of-a-kind culture. We set out to build something bold and that’s exactly what we’re doing.”

Andre Moura and Nikhil Devulapalli, managing directors at New Mountain Capital: “We couldn’t be more pleased to admit France, Spain and Belgium to the global unified platform. The visionary leadership of these firms embodies the best of Grant Thornton, and today’s news is yet another example of our commitment to invest in people, technology and expanded global capabilities for the ultimate benefit of Grant Thornton’s clients. We’re just getting started.”

About New Mountain Capital

New Mountain Capital is a New York-based investment firm that emphasizes business building and growth, rather than debt, as it pursues long-term capital appreciation. The firm currently manages private equity, credit and net lease investment strategies with approximately $55 billion in assets under management. New Mountain Capital seeks out what it believes to be the highest quality growth leaders in carefully selected industry sectors and then works intensively with management to build the value of these companies. For more information on New Mountain Capital, please visit newmountaincapital.com.

Experts / Authors

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Press release

Grant Thornton Belgium joins the integrated multinational platform of Grant Thornton Advisors

29 Sep 2025

A strategic partnership focused on long-term growth and innovation

The platform has pioneered a uniquely cohesive, multidisciplinary approach that delivers the highest quality cross-border services through a unified and independent audit and advisory practices.

A key role in the European ecosystem

Grant Thornton Belgium, with more than 250 professionals, is strategically located in Belgium, a critical hub of business and political decision-making in Europe.

The transaction is expected to be finalized in the coming weeks.

Leslie Van den Branden, managing partner of Grant Thornton Belgium: “Joining this powerhouse platform marks a strategic step forward for our firm. It strengthens our ability to deepen global collaboration while remaining deeply connected to our local clients. Above all, it enables us to further invest in our people and our clients, and the technologies that strengthen our capabilities and empower our teams. With our proven expertise and strategic location at the heart of European business, we’re confident this important milestone will drive innovation and accelerate long-term growth.”

Jim Peko, CEO of Grant Thornton Advisors LLC: “Expanding the platform into France, Spain and Belgium is a defining chapter in our journey and represents a sea change in how our industry serves clients. We’re furthering our commitment to growth across services, industries and geographies. And we’re solidifying Grant Thornton as the platform of choice for talent and technology, underpinned by exceptional quality and our one-of-a-kind culture. We set out to build something bold and that’s exactly what we’re doing.”

Andre Moura and Nikhil Devulapalli, managing directors at New Mountain Capital: “We couldn’t be more pleased to admit France, Spain and Belgium to the global unified platform. The visionary leadership of these firms embodies the best of Grant Thornton, and today’s news is yet another example of our commitment to invest in people, technology and expanded global capabilities for the ultimate benefit of Grant Thornton’s clients. We’re just getting started.”

About New Mountain Capital

Experts / Authors

Leslie Van den Branden

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A strategic partnership focused on long-term growth and innovation

A key role in the European ecosystem

About New Mountain Capital

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