On The Spot Mobile Detailing has grown from one man’s persistence and passion powered by only a single van and a cell phone to one of the largest mobile detailing companies in the country. Servicing Columbia / Howard County to Annapolis, Silver Spring to Frederick, Baltimore to Washington DC, and everything in between, On The Spot provides outstanding customer service and quality detailing at an affordable price. Our services have expanded from mobile units to include a fixed locations in Annapolis Junction and Frederick, as well as remote locations at Maryland Live Casino in Hanover. We now offer more than our premium detailing services like auto upholstery cleaning, leather cleaning, car waxing and polishing. We also offer headlight restoration specialty paint correction, and protection services.