Yes, absolutely. These professionals should be licensed so the training and testing methods are uniform and reliable. Also, uniform reporting of any test results should be written in such a manner so any lay person could understand what is being presented to them. In addition, when purchasing or selling a property, the property owner should be able to acquire results one can rely on. Unfortunately, the radon industry can appear to operate on a 'trust us' model, where the average homeowner is expected to make potentially costly decisions based on data they cannot see, measure, or independently verify, which can lead one to question whether one is being genuinely informed or simply sold a bill-of-goods.