It really depends on your own preference. A national home security provider is definitely more experienced at handling customer requests and the well-established nationwide relationships yielded a complete range of equipment supply for them. Their security plans are more varied and colorful, but the prices might be higher. No to mention, that some companies only provide professional installation at the proximity of their local service stations. This is why most of these security companies offer DIY home security systems only.
Local alarm companies might have less developed offers than big shot national dealers, but they are much closer to you. Receiving your order wouldn’t take long, thus reducing the time your house lays unprotected. Neighborly alarm providers also response faster to complaints and they provide a more personal service. In the end, it boils down to which advantage you put to the front.