If you want to find the details associated with a number you found in your phone bill and this contact is probably someone you could be doing business with, you will want to know not only the number that called, but also some details of the owner, so you could close more businesses. This could be easily accomplished with the use of a reverse lookup service called: Phone Detective at the link below.
Different Services, Different Results
Not all reverse search services are created equal. The thing is that if you are dealing with landlines, any reverse lookup service will do the trick for you, but if you searching for information about cell phone number or unlisted numbers, it will be harder to get the same results with diferent service. The reasona is because unlisted numbers and cell phone numbers are not public and should be compiled through several sources that you should pay for. Not all companies are committed to spend the same to be at the top of the business, so you should watch for the company that gets best results and is most known in the business and this is: Phone Detective.
The Company
Phone detective, previously called "reverse phone detective" has been in this business for a very long time and if you want to make a business reverse phone number search, you can count on them to get the most accurate results. The refund rate of this service is around 12%, considering no all people ask for refunds for a product that costs onlu $14.95, you could bet that around %80 of people are getting good results with this service. You could also get a subscription to make 3 searches for only $39.95.
Conclusion
If you want to do a reverse search, no company is perfect, but you will have better results with a company that has a proven track record and can offer you the best database available ti conduct your search.