For over thirty years its management has been providing services to numerous clients including international oil companies, national oil companies and many governments. It has consistently won plaudits for the quality of its work, its success in meeting tight project schedules and working within budget. HFA provides its oil consulting services from London and San Diego, and its trading services from London and Geneva, all with easy access to countries throughout the world.

HFA develops long-term working relationships with its clients, thereby justifying their initial appointment through the quality and successful outcome of the consultancy. HFA offers a partnership service, whereby it engage with clients to fully understand their needs and requirements, whilst at the same time advising on correct strategies resulting in the optimal solutions that the client is seeking.