What departments does HSNO have?

HSNO has employees across 4 departments including Accounting, Consultant, Legal, Marketing.

What is the largest department at HSNO?

The largest department at HSNO is Accounting with 2 employees.

Where are HSNO employees located globally?

HSNO has employees across 2 continents and 3 countries including United Kingdom Of Great Britain And Northern Ireland, Austria, United States Of America.

How has HSNO's team size changed over time?

HSNO's team has remained stable from approximately 23 to 23 employees based on available data.

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HSNO Employee Directory

AccountingCalifornia, United States11-50 Employees

HSNO operates in the accounting sector and is now part of J.S. Held. Its forensic accounting practice draws on accounting, auditing, and investigative expertise to provide reliable, comprehensive solutions for clients facing complex economic and accounting matters. Based in Irvine, California, HSNO functions within a global, mid-sized firm.

In May 2026, J.S. Held LLC expanded with the acquisition of Clark Seif Clark, reflecting ongoing growth of its service footprint. The HSNO designation is presented in the context of J.S. Held’s broader portfolio and industry positioning in forensic accounting and related investigative services.

HSNO Global Highlights

North America
123

United States Of America
123

Europe
3

United Kingdom Of Great Britain And Northern Ireland
2
Austria
1

HSNO's Leadership

P. H.
Partner - Ceo
Mobile Phone
Email
A. F.
Partner
Mobile Phone
Email
A. B.
Partner
Mobile Phone
Email
A. B.
Partner
Mobile Phone
Email
P. H.
Owner Chief Executive Officer
Mobile Phone
Email
A. C.
Staff Accountant
Mobile Phone
Email
M. W.
Consultant - Forensic Accountant
Mobile Phone
Email
D. D.
Attorney
Mobile Phone
Email

HSNO Employee Metrics

100%

50%

2026

2025

Accounting
Consultant
Business
Other

Contact profiles from HSNO

Name

Title

Contact

Location

Last Update

P. H.
Partner - Ceo
Mobile Phone
Email
Jun 25, 2026
A. F.
Partner
Mobile Phone
Email
Oct 21, 2024
A. B.
Partner
Mobile Phone
Email
Oct 22, 2024
A. B.
Partner
Mobile Phone
Email
Oct 22, 2024
P. H.
Owner Chief Executive Officer
Mobile Phone
Email
Oct 21, 2024
A. C.
Staff Accountant
Mobile Phone
Email
May 01, 2024
M. W.
Consultant - Forensic Accountant
Mobile Phone
Email
United Kingdom, England
Aug 29, 2026
D. D.
Attorney
Mobile Phone
Email
Oct 21, 2024
J. S.
Marketing Intern
Mobile Phone
Email
Aug 06, 2024
P. J.
Attorney
Mobile Phone
Email
Oct 22, 2024

Frequently Asked Questions

What is HSNO known for?

HSNO was founded in 1973 and operates in the Accounting industry. You can contact HSNO's main corporate office by phone at

+1-949-390-****

. Explore HSNO's company overview page for more information.

What is HSNO's most common email format?

HSNO employees' email format typically follows the pattern of FLast@hsno.com. Trying to find reliable and up-to-date employee contact data? Find more HSNO email formats with LeadIQ.

How many employees does HSNO have currently?

HSNO has approximately 30 employees as of August 2026. These team members are located across 2 continents, including North America and Europe.

Who are HSNO's key employees and leadership?

As of August 2026, HSNO's key employees include:

Partner - Ceo: P. H.
Partner: A. F.
Partner: A. B.
Partner: A. B.
Owner Chief Executive Officer: P. H.

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HSNO Employee Directory

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