About us

Neilson & MacRitchie has been involved in general investigation, specializing in trial preparation for clients in a variety of practice areas, since 1953. The areas of expertise have grown over the years to include Real Estate and Contract Law; Insurance Fraud and Surveillance; Intellectual Property; Product and Premises Liability; Construction Defect; Personal Injury; Wrongful Termination/Hostile Workplace; Background, Diligence and Asset Investigations; Malpractice, and; Class Action litigation. Two areas of particular expertise and breadth of experience are Asbestos/Toxic Tort claims and California Costa Hawkins/Rent Control matters. Neilson & MacRitchie has conducted hundreds of investigations into principal place of residence under Costa Hawkins law and local San Francisco 1.21 ordinance, and has provided testimony in over eighty matters before local Rent Boards.

Neilson & MacRitchie has over twenty years of experience in Asbestos/Toxic Tort litigation and is expert at creating investigation plans that both address product identification claims and develop alternative exposure theories. Expertise also includes locating witnesses to workplace conditions and events that occurred decades previous; Comprehensive witness interviews; Drafting and executing witness declarations and affidavits, and; Process service of difficult or evasive parties. Asbestos investigations are conducted nationwide and abroad for both local and national defense counsel.

Neilson & MacRitchie routinely receives assignments of all sizes and scope, so please don’t hesitate to inquire about matters ranging from a quick locate to the design and management of investigation plans in complex litigation.