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If you are charged with a crime, the right representation for you is John F. Sullivan, III. Mr. Sullivan has over 27 years of experience as both a prosecutor and a defense attorney as well as 16 years of experience in federal court in cases ranging from large, multi-defendant drug cases to probation violations.   It does not matter if it is an aggravated robbery or conspiracy charge, domestic violence proceedings or sex offense case, we can help.  Being charged with a crime can be frightening and the criminal process intimidating.  At our firm we understand what clients in the criminal justice system feel and use our experience to guide clients through the process to reach the best result for them. Make the right decision: Call John F. Sullivan, III Attorney at Law!

Professional experience ready to be put to work for you!
  • A degree in finance and experience working in finance before leaving for law school in 1987
  • Clerked in Washington DC
  • Worked as a prosecutor from 1990-1999 on well over 100 jury trials, with cases ranging from murder, drugs, white collar, to sex crimes and DUI's
  • Began working as a defense attorney in 1999 and has handled federal cases in Colorado, Montana, Nebraska and Utah as well as numerous state criminal cases in Colorado

Contact Information

John F. Sullivan, III Attorney at Law
1745 Shea Center Drive, 4th Floor
Highlands Ranch, CO  80129


Monday – Friday:
8 a.m. – 5:30 p.m.

Licensed | Bonded

  • Felonies and Misdemeanors    
  • Accessory to First Degree Murder
  • Aggravated Robbery

Payment Options

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