History

COLAS, CZ, a.s. follows the long tradition and experience of the companies Silnice Jihlava, Silnice Znojmo and Silniční stavitelství Praha, which date back to pre-war state road engineering.

1994
  • the French company COLAS SA becomes the majority owner of all of the above-mentioned companies
1997
  • ASTECH, s.r.o. - establishment of the company, which sells and applies modified asphalts and other special asphalt products used in road engineering with the application of the latest technologies
2001
  • 31 January 2011 – merger of Silnice Jihlava, Silnice Znojmo and Silniční stavitelství Praha with COLAS CZ a.s.
 
  • within a year, COLAS CZ obtains 100% ownership in SANGREEN, spol. s r.o. (established in 1990), which is one of the leading companies in the rehabilitation of bridges and other concrete and steel structures and objects.
  • COLAS CZ owns one-third of Obalovna Bradlec, s.r.o. (established in 1998), which is based in Mladá Boleslav.
2002
  • 1 January 2002 – new organizational structure – Agency South is established by merging of construction agencies in Jihlava and Znojmo
  • Agency North consists of construction agencies in Prague and Hradec Králové
  • production of crushed aggregate is concentrated in the Quarries Agency
2005
  • acquisition of Kamenolom Císařský a.s. (established in 1994) by COLAS SA and its integration into the COLAS group as an affiliated company
2006
  • new acquisitionČermák a Hrachovec, a.s. involved in repairs, reconstruction and also the construction of new constructions in the area of water supply and sewerage lines, especially in Prague and the Central Bohemian Region
 
  • after purchasing shares from minority shareholders, the parent company COLAS AS owns 100 % of COLAS CZ, a.s.
 
  • annual production of 2 million tonnes is reached for the first time
2008
  • 1 October 2008 – merger of ASTECH, s.r.o. with COLAS, CZ a.s. ASTECH is still involved in the latest technologies, production and application of hot asphalt mixtures and modified bitumen binders for road engineering
2012
  • merger of Císařský Kamenolom with COLAS CZ. It becomes part of the Quarries Agency
2013
  • with the acquisition of PRAKAN a.s., the COLAS group expands its portfolio into the area of water management facilities
2014
2017
  • COLAS SA sells shares corresponding to 100% stake in Čermák a Hrachovec a.s. and Prakan a.s.
  • merger of SANGREEN, spol. s .r.o. with COLAS CZ, a.s.

COLAS News

Nov 8

General Patton´s Bridge in Plzeň opens to traffic

On Wednesday November 7th, 2018 the General Patton´s Bridge in Plzeň was opened to traffic. The bridge forms part of the main arterial road in the town centre.

Nov 2

Visit to our COLAS colleagues in Hungary

Our colleagues from Bridge and Reinforcement Agency visited two sites in Hungary.

Oct 30

Breakfast with COLAS! - Students of the Dušní Secondary School

Last week we were visited again by students from the 3rd year of the Dušní Secondary School.

Oct 8

Breakfast with COLAS! - Students of the Secondary School of Civil Engineering in Mělník

On Tuesday, September 25th, we visited the 4th and 3rd year students from the Secondary School of Civil Engineering in Mělník

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