Why 247 Cambridge Locksmith We offer the highest quality residential, commercial, automotive and emergency locksmith services in the Cambridge MA metro area. With a proven track record and time in the business our technicians are skilled and experienced. We use the most up to date technology, tools and methods to find a solution adapted to your problem. With a fast response time we are ready to help you twenty-four hours a day, seven days a week, ensuring you feel safe in your home, office or, commercial building every day of the year. Having a reliable locksmith whether for a business, residence or in case of emergency is always an asset. We can do anything from mounting, repairing and changing locks to opening highly secure locking mechanisms, cutting keys and more.