About us!
Our story
1999
Urbaczka & Szymik Silesian Accounting Group is established as a civil partnership specializing in bookkeeping. There are two employees
2004
ax Advisory office is established - Klimek Szymik Kordal and Partners Limited
2006
change of name to KSK Advisors Ltd

2010
LAW Leader - a multi-disciplinary partnership is created - the first in Poland which brings together the expertise of lawyers and tax advisors
2010
another company, TAX Leader, is created, specialising exclusively in providing tax advice; at the same time we started creating the Leader Group, which in 2010 had over 40 employees

2013
there is over 50 team members and we have started the process of re-branding to change the company image
2014
Audit Leader is established, led by a statutory auditor

2015
we opened a branch office in Warsaw
2016
the Katowice headquarters is relocated from the premises at Warszawska Street to the ALTUS office building
2016
we obtained the ISO 27001 and 9001 certification
2016
the re-branding and business image change have been completed and GLC is finally created
2017
there are over 100 specialists in our team
2018
we provide services for over 1000 clients from Poland and abroad; we guarantee professional support in accounting, law, taxes and other business related areas.
1999
the year when we started
100
over 100 experts work at GLC!
8 mln
value of our Public Liability insurance – means no-risk cooperation
1000
Over 1000 satisfied Clients!
1400
square meters office
15
countries where our clients come from
Walk through the GLC office
Social activity

GLC in the rankings
We occupy high positions in prestigious industry rankings organized by “Rzeczpospolita” and “Dziennik Gazeta Prawna”.


GLC Team
GLC is composed of a team of 100 experts: tax advisers, lawyers, accountants, statutory auditors, HR and payroll specialists and specialists in many other fields. All of them constantly improve their qualifications and supplement their knowledge, and follow changes in the legal, tax and market environment on an ongoing basis. As a result, they successfully find solutions that fully take into account the economic interests of our clients.