CMS Cameron McKenna Nabarro Olswang LLP, trading as CMS, is a multinational law firm headquartered in London, England. It has over 250 partners and 71 offices across Europe, the Middle East, South America and Asia.
CMS Cameron McKenna Nabarro Olswang LLP is a member of the CMS organisation of law firms. When considered as a single firm, CMS is one of the ten largest law firms in the world (by number of lawyers: American Lawyer 2016).
The origins of the firm date back to 1779 and the law practice of T Hewitt.
In 1997 Cameron Markby Hewitt merged with fellow City of London law firm, McKenna & Co, to form Cameron McKenna (renamed CMS Cameron McKenna in 1999). The firms of Cameron Markby and Hewitt Woollacott & Chown had merged in 1989 to become Cameron Markby Hewitt.
In December 2013 it was announced that CMS Cameron McKenna would merge with the Edinburgh-headquartered law firm Dundas & Wilson. The merger completed on 1 May 2014.
In October 2016, CMS Cameron McKenna announced that it will merge with UK law firms Nabarro and Olswang to create the world’s sixth largest law firm by headcount. The merger completed in May 2017. CMS Cameron McKenna has been renamed to CMS Cameron McKenna Nabarro Olswang LLP, and will trade under the name CMS.
In 2017, CMS is ranking number 1 for M&A in Europe by deal count by Thomson Reuters and Bloomberg.
CMS provides advice across all types of commercial law; banking and finance, competition, corporate and M&A, dispute resolution, employment & pensions, environment, immigration, intellectual property, private equity, public procurement, real estate and tax.
CMS’ services are concentrated in eight industry sector groups; consumer products, energy, hotels & leisure, infrastructure & project finance, insurance and funds, lifesciences, real estate & construction, and technology, media & telecommunications.