Diligence Security

Diligence Security LLC is a licensed, veteran-owned security firm providing professional protection services in Seattle, Washington. Since 2020, the company has delivered reliable on-site officers, mobile patrol coverage, certified fire watch monitoring, and rapid emergency security response for Seattle businesses, backed by GPS-verified reporting and tailored, risk-based security planning.Diligence Security LLC delivers consistent, high-visibility protection through disciplined officer training, real-time digital incident documentation, and site-specific security planning for Seattle properties and businesses. Whether supporting construction projects, corporate facilities, or large-scale events, every deployment is guided by the firm's core values of dependability, ethics, and operational integrity.