Crawley based JSJM Computing are Computer Technical Support consultants who were established in 2006. JSJM computing provides IT services to small businesses and residential customers.JSJM Computing services are as follows-Hardware support and upgrades.-Software support and upgrades.-Wired and Wireless Networking.JSJM computing believes on the basis of no fix no fee. So one can be rest assured that one pays only only if the problem is fixed.