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    • Alter Ego and Entity Relationships
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  • About the Firm
  • Our People
  • Our Expertise
    • Alter Ego and Entity Relationships
    • Construction Disputes
    • Economic Damages
    • Business Valuation
    • Foreign Corrupt Practices Act
    • Forensic Accounting – Compliance with GAAP and GAAS
    • Forensic Accounting – Investigations of Improprieties
    • Intellectual Property Damages
    • Intellectual Property Valuation and Licensing
    • Labor Disputes
    • Large-Scale Data
    • Management Advisory Services
    • Merger & Acquisition Advisory Services
    • Royalty and License Compliance Examinations
    • White Collar Crime Investigations
  • Offices
    • San Francisco – Bay Area
      • Burlingame
      • Campbell
      • Concord
      • San Francisco
      • Santa Rosa
    • Chico
    • Fresno
    • Idaho Falls
    • Las Vegas
    • Los Angeles
  • Insights & News
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Forensic.
Financial.
Focused.

Over 60 years of concentrated expertise in accounting, finance, valuation, economics, and statistics.
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The Latest Insights

Hemming Morse, LLC's Paul Regan and Andy Mintzer Named to Forbes List of Best-In-State CPA's.

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Hemming Morse Professionals Rachel Hennessy, Jeffrey Klein, Greg Regan, Christian Tregillis, and Sacha Zadmehran, Presented at the CalCPA Forensic Accounting Forum 2025

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Hemming Morse Professionals Nathan Fan, Rachel Hennessy, Travis Armstrong, and Micah Pycraft Presented at the AICPA & CIMA Forensic & Valuation Services Conference

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Jury Awards Infringer's Profits of Amount to Which Hemming Morse Expert Christian Tregillis Testifies

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Hemming Morse's Max Cranmer presented at Practising Law Institute (PLI)'s program, Pocket MBA 2024: Finance for Lawyers and Other Professionals

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Hemming Morse’s Lynn Turner Participates in Securities and Exchange Commission Investor Advisory Committee Panel Discussing Materiality

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Hemming Morse’s Lynn Turner Participates in the Public Company Accounting Oversight Board Roundtable on Non-compliance with Laws and Regulations Proposal

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Hemming Morse’s Greg Regan was profiled in the latest issue of CAMICO’s Impact Newsletter

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District Court Judge Finds Christian Tregillis's Damages Analysis "Comprehensive and Well-Reasoned" in Support of Award to Plaintiff Balanced Body, Inc.

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Hemming Morse’s Andy Mintzer honored with a 2023 Accounting Icon Award by Los Angeles Business Journal

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Who We Are - Stats & Facts

We have worked for over 75% of the AmLaw 100, and opposite even more.
Balanced company
We’ve worked for and against over 75% of the AmLaw 100, and as a neutral with those firms on either side.
Our partners have a combined total of over 200 years of service in leadership roles for professional
Engagement
Over 200 years of combined leadership in professional organizations.
Three members of our team have served as Presidents of the California Society of Certified Public Accountants.
Leadership
Our team includes 3 former Chairs of the California Society of Certified Public Accountants (CalCPA).
Distinctive pedigree
Distinctive pedigree
Our team includes the former chief accountant of the SEC and a former FBI Special Agent.
Setting standards
Setting standards
Members of our team wrote professional standards that govern CPA practice.
Valuation insights
Valuation insights
We’ve appraised over 1,000 businesses, business interests, and IP assets.
Experienced testimony
Experienced testimony
Our professionals have provided expert testimony in more than 1,000 matters.
Credentials
Credentials
Every partner and 90% of our professional staff have a CPA or other professional credential—and the rest are working toward it.
Big data
Big data
We’ve analyzed datasets with as many as 1 billion entries.
Government insights
Government insights
Deep experience working for and against government agencies at every level, including the SEC.
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Integrity. Objectivity.
Rigorous investigation and analysis.
Clear communications.

Our teams include industry leaders and thinkers, with experience in the courtroom, on transactions, and consulting on complex issues in accounting, finance, economics, valuation, and statistics.
Learn More About The Firm

Alter Ego and Entity Relationships
Investigations

Evaluation and determination of corporate separateness between a business and an individual.
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Business
Valuation

Determination of the valuation of a business or its assets for a number of scenarios, including partnership dissolutions, the sale of businesses, and preparation for IPOs.
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Construction
Disputes

Evaluation and resolution of critiques and claims within the construction industry, ranging from disruption and delay claims to quantification of costs for the performance of extra work.
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Economic Damages

Quantification of value of economic harm stemming from an alleged wrongful act.
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Foreign Corrupt
Practices Act

Evaluation of FCPA compliance and risk assessment, as well as investigation to advise clients on the development and maintenance of effective compliance programs.
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Labor
Disputes

Evaluation of complex labor dispute issues including violations in wage and hour, wrongful termination, overtime pay, and trade secret misappropriation.
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Intellectual Property
Valuation and Licensing

Calculation of reasonable value or hypothetical license agreements in relation to intellectual property disputes.
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Intellectual Property
Damages

Determination of damages stemming from alleged intellectual property infringement or the extent of alleged intellectual property infringement.
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View All Our Services

Our team is composed of bright and inquisitive minds, with insight built on deep experience.

From industry leaders to dedicated team-members at all levels, our roster contains best-in-class professionals with high attention to detail, top to bottom.
Meet Our People

We’re always looking for the best and brightest, with a desire to be part of a team.

We work hard but enjoy what we do. Our average time with the firm is over seven years, with minimal turnover. This is a direct result of our focus on professional development and a culture based on respect and appreciation for our people.
Learn about Opportunities at Hemming Morse

Latest News &
Publications

News

Hemming Morse, LLC’s Paul Regan and Andy Mintzer Named to Forbes List of Best-In-State CPA’s.

Read More
Presentation

Hemming Morse Professionals Rachel Hennessy, Jeffrey Klein, Greg Regan, Christian Tregillis, and Sacha Zadmehran, Presented at the CalCPA Forensic Accounting Forum 2025

Read More
Presentation

Hemming Morse Professionals Nathan Fan, Rachel Hennessy, Travis Armstrong, and Micah Pycraft Presented at the AICPA & CIMA Forensic & Valuation Services Conference

Read More
Cases

Jury Awards Infringer’s Profits of Amount to Which Hemming Morse Expert Christian Tregillis Testifies

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Firm Information
  • About the Firm
  • Our People
  • Our Expertise
  • Insights & News
  • Opportunities
Office Locations
  • San Francisco
  • Los Angeles
  • Concord
  • Campbell
  • Las Vegas
  • Santa Rosa
  • Fresno
  • Chico
  • Burlingame
  • Idaho Falls
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