You can find alarm companies advertised in your local newspapers, phone book and of course the Internet. Installing security systems is an expert job and can be a simple and secure process in the right hands. Your first task should be to find a suitably qualified company that can monitor your security system for you. As with all alarm companies you should be looking for one that has done it before. Depending on your individual needs you might be looking for security companies with experience in large homes, small businesses, or corporate offices. Some locations such as a corporate office may need a higher level of security so you do really need to deal with a company that can offer this to minimize the chances of something going wrong.