Best Private Security in Marietta, PA

A1 Security Services is a highly-regarded regional security provider serving Lancaster County and surrounding areas including Marietta. With over 15 years of continuous operation, they've built an exceptional reputation for reliable armed and unarmed security services. They specialize in providing customized security solutions for businesses, residential communities, and special events. Their team consists of thoroughly vetted, trained, and licensed security professionals who maintain strong community relationships. Customers consistently praise their responsive service, professional demeanor, and effective security presence.

Sentinel Security Services has established itself as a premier security provider in Lancaster County with consistent high ratings and positive customer feedback. Serving Marietta and the greater Lancaster region, they offer comprehensive security solutions including regular patrol services and immediate alarm response. Their security officers undergo extensive background checks and ongoing training to ensure professional service delivery. The company is known for its strong customer service focus and flexible security arrangements tailored to client needs, making them a trusted choice for both commercial and residential security requirements.

As one of the largest security companies in North America, Allied Universal maintains a strong presence in central Pennsylvania and serves the Marietta area with comprehensive security solutions. While a national provider, their local Harrisburg office ensures responsive service to Lancaster County clients. They offer professionally trained security personnel, advanced security technology integration, and 24/7 monitoring capabilities. Their extensive resources allow them to handle security needs of any scale while maintaining consistent quality standards. Customers appreciate their professional approach and reliable security coverage for various property types and event security requirements.