Bristol-based CJ Associates, formed in 1974, operates the latest soil sampling, equipment and techniques available to recover the best quality of samples. It is a top-quality drilling business with a super-fleet of rigs and equipment providing services to a range of clients including Arup, Balfour Beatty and Wessex Water. When CJ Associates joined RSK’s extensive offering of ground investigation services, it added more than 40 years of site investigation experience and expanded RSK’s drilling capabilities. CJ Associates has worked for high-profile clients in the public and private sectors, and has helped to deliver some of the UK’s most complex and high-profile infrastructure projects.