Quantum Consulting: Harvard Trained Negotiators, and a Leader in Business Consulting, Valuation, and Financial Analysis. Quantum offers various levels of consulting, from the smallest decision making, up to contracting a full range of professional services. We take pride in being a one-stop-shop. Whether you want to sell your business, buy an existing business, start a business, or need help negotiating a deal, contract, or sticky situation, or any other range of financial consulting, Quantum Consulting can do it all. Knowing the individual values of your business can aid you in making decisions about the future. We take pride in conducting accurate business valuations by using the best industry proven metrics and standards. It is important to be absent of bias or self-interest, maintain strong ethics, and execute a logical, systematic, and detailed approach to each of our services.