Mark Maas, P.I.

Professional Investigations & Protective Services


MMPI offers comprehensive and professional investigative services to individual, commercial and legal concerns in Pennsylvania and Maryland.

Investigative Services include:

  • Civil investigations and litigation support
  • Death Investigations
  • Witness locates, interviews and statements
  • Forensic photography and video
  • Evidence recovery
  • Detailed investigative reports
  • Professional courtroom testimony
  • Criminal investigations, current and cold
  • Defense criminal investigations
  • Pro-active personnel integrity audits
  • Due diligence
  • Public and Court record retrieval
  • Missing person locates and skip tracing

Other services not listed are available from MMPI or via our network of professional associates. Investigative services are billed from a pre-determined retainer on an hourly basis plus expenses. Some flat-rate service charges are available.  

Contact Mark Maas Professional Investigations today at 717.357.3121, 443.898.2312 or via email  at  for a free consultation  about your specific case. 

Website Builder