article banner

About Us

Grant Thornton is a leading business adviser that helps dynamic organisations unlock their potential for growth.

Managing Partner

Jonni Leporanta

“We want to help companies and entrepreneurs develop”

Grant Thornton is one of the world's leading providers of audit, tax, M&A and other expert services. Our experts help a dynamic organisation grow by providing comprehensive, meaningful and future-oriented advisory services.

To support growth and development

Thanks to our wide range of services, experienced staff, uniform audit methods and good international connections, we provide first-rate service in all situations. Our main goal is to support your company in financial matters, on the path of business development and success. A flexible service tailored to the special needs of each of our customers is a matter of honor for us.

Strong international network

Grant Thornton International is an international co-operation organisation of independent audit and consulting firms. In recent years, our operations have grown significantly, and currently Grant Thornton has operations in 143 countries with more than 56,000 employees. In Finland, Grant Thornton employs about 70 experts in Helsinki and Turku. Dealing with our experts is just as smooth both abroad and at home. With our internationally unified approach, you get the benefit of our trust in the expertise of our network.


Most of our customers are owner-driven companies and subsidiaries of large foreign companies in Finland. Grant Thornton is also a natural choice for an owner-driven company with international aspirations. Our solid professional skills are also of benefit to other company structures as well as foundations and associations with their special features. As experts, we are involved in the planning of the operating structures of family businesses and in the tax planning of both the company and the entrepreneur.

Auditing services and other auditing services

To make the best possible business decisions, you need reliable information about the state of your business. Growth and success also require gaining trust in the operating environment. A first-rate audit creates credibility among your stakeholders, such as your customers, financiers, investors, suppliers and authorities. When you choose Grant Thornton, you can focus on your core business and let us verify the financial information.

Check out our services:

  • Assurance services
  • Advisory services
  • Tax services
  • Outsourcing of financial management