The present law firm of CMS Derks Star Busmann has its roots in the formation of the Utrecht law firm Nauta en Pit around 1901, which later became Star Busmann & Hooft Graafland, the formation of J.G. Brouwer Nijhoff civil-law notaries in Utrecht around 1901, the predecessor of Tjabbes & De Gier civil-law notaries, and the formation of the Utrecht law firm Derks around 1945.
Chronological overview
- 1900 - Formation of Nauta en Pit law firm, later Star Busmann & Hooft Graafland
- 1901 - Formation of J.G. Brouwer civil-law notaries
- 1945 - Formation of Derks law firm. The name is later changed to Derks & Partners
- 1976 to 1983 - Expansion of Derks & Partners through takeovers of firms in Amersfoort, Hilversum and Arnhem
- 1986 - Office opens in Brussel
- 1989 - Merger of Derks & Partners with De Gier, Pentinga & Anema civil-law notaries. The firm continues under the name of Derks . De Gier . Pentinga
- 1990 - Merger with Star Busmann & Hooft Graafland, lawyers and tax consultants in Utrecht. The name is changed to Derks Star Busmann
- 1992 - Merger with Frijns, De Haas, Stolp civil-law notaries in Hilversum
- 1992 - Office opens in Berlin
- 1996 - Merger with Geerling Advocaten in Amsterdam
- 1996 - Alliance with Hanotiau Bruyns & Associés in Brussels. The firm continues under the name Derks . Star Busmann . Hanotiau
- 1997 - Merger with the Arnhem law firm Winters & Bosnak
- 1999 - Five leading European offices enter into an international alliance: CMS. The name Derks . Star Busmann . Hanotiau is changed to CMS Derks Star Busmann Hanotiau
- 2001 - The French law and tax consultancy firm Bureau Francis Lefebvre joins CMS
- 2001 - The Brussels office continues independently within the alliance under the name CMS Lexcelis. The name of the Dutch firm is changed to CMS Derks Star Busmann
- 2002 - The Italian law and tax consultancy firm Adonnino Ascoli & Cavasola Scamoni joins CMS
- 2005 - The Belgian firm CMS Lexcelis merges with the Belgian law firm DeBacker. Its new name is CMS DeBacker
- 2005 - The Spanish law firm Albinana & Suarez de Lezo joins CMS
- 2005 - The partnership of Derks . Star Busmann is converted on 1 January 2005 into a public limited company, CMS Derks Star Busmann N.V.

