Business and Aviation Security Solutions

Your Security Experts

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The Welsh-Sullivan Group LLC maintains strategic alliances with independent security consultants around the world who are accomplished professionals in their fields of expertise.  The Welsh-Sullivan Group LLC is also a founding member of the Aviation Security & Safety Advisors Network.

Community Engagement


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We look forward to hearing from you!
Please contact John L. Sullivan, Managing Partner, by phone, email, mail or our contact form.

Welsh-Sullivan Group LLC

5000 Eldorado Pkwy, Suite 150

PMB 294

Frisco, Texas 75034


Security Consultants to Corporate Security and Business Aviation

Licensed by the Texas Private Security Board, License # C16616

A+ rating, Better Business Bureau of North Central Texas

© 2019 Welsh-Sullivan Group LLC

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