Jacques was admitted as an attorney on 13 June 1978 and has the right of appearance in the High Court of South Africa. He is the sole proprietor of J. Tarica Attorneys in Randburg and practises mainly in the areas of Commercial and Civil Litigation, Evictions, Sheriffs and Matrimonial Law.
He has been a Committee member of the Johannesburg Attorneys Association since 1999 and was its Chairperson from 2010 to 2012. He has been a Councillor of the Gauteng Law Counil since 2009. Jacques has been a Committee member of the Disciplinary Panel of the Law Society of the Northern Provinces for well over a decade and also serves on its Court Practice Committee.