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About us

Reason & Instinct

Grant Thornton combines reason and instinct to help dynamic businesses unlock their potential for growth.

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We are Grant Thornton

Grant Thornton is a leading business adviser that helps dynamic organisations to unlock their potential for growth. Our brand is respected globally, as one of the major global accounting organisations recognised by capital markets, regulators and international standards setting bodies.

Over the last three years we are the fastest growing large accounting organisation and we are constantly evolving and developing alongside our clients’

Global scale and agility

As a $4.8bn global organisation of member firms with more than 47,000 people in 140 countries, we have the scale to meet your changing needs, but with the insight and agility that helps you to stay one step ahead.

Privately owned, publicly listed and public sector clients come to us for our technical skills and industry capabilities but also for our different way of working. Our partners and teams invest the time to truly understand your business, giving real insight and a fresh perspective to keep you moving.

Whether a business has domestic or international aspirations, Grant Thornton can help you to unlock your potential for growth.

Quality standards

Grant Thornton Greece implements Quality Management System Standards within the requirements of BS EN ISO 9001:2008 in “Provision of assurance, tax business compliance and advisory services”. The certification was issued by Lloyd’s Register Quality Assurance, thus validating the high performance in terms of quality of service of Grant Thornton and demonstrating the company's sustainable approach to providing value-added services. Moreover, Grant Thornton was certified according to the ISO/IEC 27001:2013 standards from the house of Lloyd’s Register.

This cerificate in specific, concerns the Information Security Management System of the company. It is an internationally recognised standard according to which the companies certify the installed Information Security Management Systems and covers a wider frame of designing, implementation, management of operations and procedures and information security measures.

Το ISO/IEC 27001 is notably appropriate for companies that manage information on behalf of other companies, as it guarantees that the information of its customers will remain confidential.