Slide background

Across Borders
HSNO proudly works with firms throughout the world.

Slide background

Clarity from Complexity
We find the truth in numbers.

Slide background

Agile & Scaleable
Working with companies of all sizes since 1973.

Our Services



HSNO is internationally recognized as a leader in insurance claims accounting, litigation support and expert testimony, dedicated to presenting the strongest and most persuasive case possible based on the facts and evidence.

Read More ➞



HSNO is sought after for our exceptional ability to analyze, measure, and report accurate economic damages resulting from business interruption, construction defect, business valuation cases, intellectual property infringement, etc.

Read More ➞



Our strong background in helping clients rapidly respond to workplace crisis enables us to help our global clients identify ways to mitigate cost and time associated with preparing for and responding to legal and economic issues.

Read More ➞

Catastrophe Response

HSNO is ready to respond to your needs during a catastrophe, regardless of location.

Please call us directly on our catastrophe response hotline at
877-FOR-HSNO (4766) for immediate response.

Contact US

International Experience

International Assistance?
Contact our Mexico City or London office for more information.

News Spotlight

  • Hurricane Gonzalo

    Hurricane Gonzalo Claims

    HSNO is Prepared to Help with Hurricane Gonzalo Claims Hurricane Gonzalo is targeted to hit Bermuda Friday. In anticipation of your needs, HSNO has made preparations to be available on location immediately after Gonzalo’s passing to assist with any and all loss claims. HSNO has four offices along the east coast, all within close proximity to
  • View of Munich city center. Munchen, Germany

    What’s New at HSNO?

    From our most recent newsletter. At HSNO, we have some really exciting new things bubbling up. Check them out: Munich Secondment Assignment In February of 2014, HSNO was honored to be asked to offer an experienced member of the firm to work with a client on a Secondment in Munich, Germany. As is common in the
  • Judge Mallet

    Chronic Pain Syndrome Claimed $3.2 million after Pedestrian is Hit in Crosswalk. San Francisco County.

    Summary Plaintiff hit by taxi, claims “chronic pain syndrome” but defense says chronic pain was a pre-existing condition. The Case Case Name: Geeta B. v. Luxor Cab Company, et al. Court and Case Number: San Francisco County Superior Court / CGC-11-514969 Date of Jury Verdict: Thursday, June 26, 2014 Date Action was Filed: Tuesday, October 11, 2011 Type