About us

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Grant Thornton is a network of independent assurance, tax and advisory firms, bringing together the knowledge, experience and commitment of 68,000+ people to clients in 147 countries. We have been in business in Poland since 1993, providing audit, advisory and outsourcing services to more than 2400 clients annually. We employ 1000 people in 7 offices throughout Poland.

Explore Grant Thornton services:
Audit
Financial, internal
Advisory
Tax, transactions, EU funds, consulting
Outsourcing
Payroll and HR outsourcing
Law firm
Capital market and labour law, transactions
Digital drive
Business design
  • Designing product/service innovations
  • Digital workplace
  • Research on needs and innovative ideas
  • Sales and service process improvements
Cybersecurity
  • IT Governance
  • IT Audit
  • IT Compliance
IT services
  • IT management strategy
  • IT resources management
  • IT projects and implementation
Grant Thornton Polska
1993
establishment of audit company in Poznan
1997
development of advisory services
1998
first offices outside of Poznan
2001
PLN 10 M in revenue
2006
PLN 50 M in revenue
2008
joining the Grant Thornton network and rebranding
2012
establishement of GT Legal Maślanko law firm
2012
acquisition of FPA (outsourcing services)
2014
acquisition of Dorfin
2015
acquisition of HFI Solutions
2017
acquisition F5 Konsulting and Continuum
2018
acquisition of Edisonda (design and user experience)
2019
acquisition of Immusec (cybersecurity)
2020
PLN 100 M in revenue
2022
PLN 145 M in revenue

Grant Thornton news

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Porozmawiajmy:

Sustainable development - we take care and support

Nagrody/

Rankings and awards

Grant Thornton has been ranked 3rd in the category “Large companies" in the 16th Ranking of Tax Advisory Businesses organized by “Dziennik Gazeta Prawna”.

Grant Thornton comes 4th in this year’s ranking of audit firms (Rzeczpospolita, April 2022).

Outsourcing Stars award in the Accounting, HR, Payroll category (April, 2023)