With the experience of the last 40 years providing high quality locksmith services in London Ontario, Woodstock, Brantford and Hamilton and surrounding areas, S.O.S. Locksmith has made a name for itself as one of the most trusted and preferred providers of all kinds of locksmith services. Our residential locksmith services is renowned as the most trusted and efficient locksmith service in London Ontario and the adjacent areas. We understand that getting locked out of your house or losing your apartment keys is a stressful situation for you. For that you can rely on our experienced team of locksmiths to get you back into your house in no time. From us, you can have new lock installation, lock repair, up gradation of your residential security to high-security locks. You can expect a very professional and courteous locksmith service from us and above all a transparent fair pricing. Whether you require same day service, scheduled appointments or emergency residential locksmith services, you can have it all.