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Security expert witness and security consultant James M. Dallas is board certified in security management and has more than 35 years of executive security experience in all environments.

Mr. Dallas' expertise is in the areas of foreseeability analysis, premises liability, liquor serving establishments, shopping center and mall security, commercial & institutional security, multi-tenant residential and commercial property security, healthcare security, industrial security, parking lot and parking structure security, negligent hiring and retention, negligent training and negligent supervision, guard force management, security awareness, security negligence and crowd control, electronic security, alarm systems and access control.
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Mr. Dallas is Board Certified in Security Management (Certified Protection Professional [CPP] through ASIS International) and received this designation by process of examination (1985). He is a member of the Society for Human Resource Management (2002 - 2013). SECURITY, INC. [Dallas] and DSI INVESTIGATIONS in suburban Philadelphia, Pennsylvania.
How many hats can your facilities or human resources or maintenance or operations manager wear? Your company needs guidance in the operation of a security function, whatever the level. But the company's size or revenues do not warrant the employment of a full-time security person. Dallas Security can provide this function under a contractual arrangement.
DSI Investigations performs background investigations for clients located across the country. Our experienced investigators obtain this data from public and private resources which include over 3,000 county courthouses, 300+ federal courts, 50 state motor vehicle departments, 5,000 educational institutions and hundreds of commercial databases that store virtually every possible sort of detailed information.
Reviews (9)
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Anthony McPhail
Oct 08, 2021
Dallas Security is one of the most thorough integrators I have worked with. As a manufacturer, I work closely with their management team, and find their knowledge and dedication second to none. They are always willing to take on complex projects and provide the best solutions for their customers. Quality work and quality and service!
Keith Shaver
Oct 27, 2020
Nick at Dallas Security Systems was my first phone call for my residential video security system installation. Nick provided an affordable price, the right project management and a qualified installation team. I was not disappointed - Brandon the project manager met with Nick, along with Eddie and Josh from the installation team to walk and discuss with me the property and to review camera mounting options at the beginning of the installation. Eddie and Josh performed above expectations - Eddie for NVR installation, system and IP programming and overall job success, Josh for an outstanding job with wire management and camera set up - very professional. Post-installation clean up was excellent - as if they were never here. Dallas Security Systems is highly recommended for commercial and residential installations!
Don Johnson
Jun 19, 2020
I work for Messiah Lutheran Church in Plano, Texas. Our buildings are 16 years old and have been protected by Dallas Security since day 1. We have had only but good experiences with them and look forward to many more years of partnership. Service is top notch and I really enjoy the personal long relationship we have. I am not just an account I am a person and they truly treat you that way. Keep up the great work and service!
Belinda Mathews
May 07, 2020
I asked Dallas Security to repair the lock system they installed due to a false alarm ringing. On the initial visit, they had to access the security box located in my master closet. When I arrived home I discovered the master closet contents scattered on my furniture/bedroom floor and a mess near the security box. The security box was reset and no instructions were given.

After I complained Dallas Security assured me they would take care of the mess and give detailed instructions. The technician returned with instructions but he did not clean up the previous mess. I am appalled by their lack of customer care and attitude. Consumer beware!
Justin Crabtree
May 05, 2020
Dallas Security Systems is by far the best value when talking security. I have had them installed in my home for years and never had an issue with my equipment or service. They care about their customers.
Thad Hutcheson
Mar 29, 2020
The technician (Rudy) came by and did a good job helping me with my request to move our access control software. He was easy to work with and we continue to be glad to be working with DSS.
Kenny M.
Mar 26, 2020
Dallas Security has always offered me the best level of customer service with my security systems. They are on time and very professional. I am happy to support a local owned security company!
Zachary Wezenberg
Feb 11, 2019
When choosing a home security system we chose DSS because of their great reviews. Once we simply scheduled and when the technician arrived we knew we made the RIGHT DECISION! Things have been so smooth and we've received great customer service throughout this journey. The technician was knowledgeable and on time. We would definitely recommend DSS to all our friends!
Robert Newton
Dec 25, 2018
Robert arrived promptly. He diagnosed the problem immediately. He replaced a broken camera and had the system restored in a few minutes. He removed the old camera and sent it in for repair. Quick, efficient, and a pleasant person to work with. Everyone in the service department is first class.