A number of companies provide support services to trading companies, bringing their expertise in legal, tax, intellectual property, compliance and corporate governance issues.

STSA partners, whether they be law firms - Schellenberg Wittmer, Bär & Karrer, Chabrier & Partners, Holman Fenwick Willan Switzerland - or the Big 4 consulting groups -Ernst & Young, Deloitte, KPMG, PWC - are highly respected in their particular fields.

Besides these well-known names, dozens of companies, from auditing firms, consultants and law firms to specialised service providers, such as insurance brokers, providers of operational services to the trading industry, as structuring of finance, demurrage handling or specialised employment agencies, are active in this field across the various commodity trading hubs in Switzerland.

Besides these, a number of firms such as Petroconsultants and Petro-Logistics are involved in specialised services such as oil exploration and engineering consulting.