At Great Valley Lockshop Inc, we provide local locksmith services to businesses and homeowners in the Philadelphia, Pennsylvania region. Our commercial locksmith services provide security and access control solutions for companies of any size, from small mom and pop stores to global enterprises. Our residential locksmith services range from changing locks and deadbolt installation to lock repair and key duplication services. Additionally, we offer a 24 hour locksmith services to those with emergencies after normal business hours.