Welcome to Capstone

 Capstone provides armed and unarmed security services. Close quarter protection, plainclothes and uniformed security, security analysis and asset protection. We provide armed/unarmed Private investigators, bodyguard services, surveillance, interviews, criminal law investigations, asset and witness location. Additionally, we have a certified unarmed Wa guard trainer available throughout the state of WA
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Armed security

Private Investigations

Capstone provides teams of well trained and fully licensed security officers and protection teams. Individual protection and security patrols.​ We also provide site security to facilities, plants, construction sites, etc

24/7 Live Support

There is always a direct line of contact to a supervisor while Capstone employees are on site or actively with clients.  ​

Capstone provides armed and unarmed licensed Private Investigators. We conduct surveillance, provide bodyguard services, witness and asset location, criminal law investigations, etc.
Our investigations team is highly experienced , reliable and trustworthy. 

Certified security guard training

CSI offers CJTC certified unarmed security guard trainers for security guards.
We will begin offering Private investigations training and armed CJTC pistol training this year (2025).

Integrity is built on honesty, and
honesty is the foundation
​of a strong relationship 

Certifications coming in 2025.

                                                         CSI is in the process of obtaining our EYE program certification and our MWBE certifications.

Capstone is 100% minority owned. We are veteran owned. We work to create healthy relationships and provide services to keep businesses and and people safe. Our communities and the people around us are important and we work to ensure that we give others the peace of mind they deserve.