HEMMING MORSE, LLC is associated with UEI C9SHB6RM9HJ5 and CAGE 6NFY3 in public federal records. AcornBids currently links 8 prime awards totaling $3.0M in obligations to this entity. Its largest recorded federal customer by obligations is Department of the Treasury. Its recorded federal awards include work classified as Other Scientific and Technical Consulting Services; Offices of Certified Public Accountants. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 541690 (Other Scientific and Technical Consulting Services). Its public SAM.gov registration lists CONCORD, CA, USA.
Detailed agency totals are not available in this stored profile.
Largest positive coded-agency total ÷ all positive coded-agency totals × 100
Missing data is shown as unavailable.
Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Oct 7, 2026. Refresh pending; these totals may be out of date.
Public SAM.gov registration details.
Source facts
Net transaction obligations by federal fiscal period.
Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Coverage: 8 of 8 selected awards. Select a period to explore its awards.
Prime contract awards. Select an award to review its history and source evidence.
| Award / description | Awarding agency | Obligations | Start date | End date |
|---|---|---|---|---|
| 2023H223C00024EXPERT WITNESS SERVICES: IRS EXPERT WITNESSES THAT IS CAPABLE OF PROVIDING LITIGATION SUPPORT FOR CASES INVOLVING IRS AUDIT DEFENSE, PERFORM FORENSIC ACCOUNTING SERVICES, AND/OR… | Department of the Treasury | $571.5K | May 8, 2023 | May 7, 2028 |
| 50310226C0002EXPERT WITNESS SERVICES | Securities and Exchange Commission | $213.8K | Dec 23, 2025 | Dec 22, 2030 |
| 15JA1122P00000054EXPERT WITNESS SERVICES | Department of Justice | $191.0K | Mar 8, 2022 | Sep 30, 2025 |
| 2023H225C00070EXPERT WITNESS FOR BUSINESS EVALUATION SERVICES FOR INTERNAL REVENUE SERVICE CHIEF COUNSEL. TRACS0003107 APPROVED ON 06/25/2025. | Department of the Treasury | $1.3M | Jul 1, 2025 | Jun 30, 2030 |
| 50310220C0104EXPERT WITNESS SERVICES. | Securities and Exchange Commission | $369.0K | Sep 9, 2020 | Sep 8, 2025 |
| 50310223C0064EXPERT WITNESS CONTRACT | Securities and Exchange Commission | $261.3K | Jul 20, 2023 | Jul 19, 2028 |
| 15JA1225P00000157LITIGATIVE CONSULTANT SERVICES. | Department of Justice | $50.0K | Jun 4, 2025 | Jun 4, 2027 |
| 50310220C0072EXPERT WITNESS | Securities and Exchange Commission | $85.8K | Jun 22, 2020 | Oct 23, 2024 |
Modeled recompete windows are estimates, not announced solicitations or guarantees.
| Registration evidence | Date |
|---|---|
| SAM updated | Dec 23, 2025 |
| Source loaded | Sep 26, 2026 |
| Initial registration | Feb 2, 2012 |
| Entity start | Jan 1, 2024 |
| Industry | Reported size status |
|---|---|
| 541690 — Other Scientific and Technical Consulting Services | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| SYLVIA I MAHLEY | Government business | Contact method not published | SAM registration | Not available |
| JOHN LAM | Electronic business | Contact method not published | SAM registration | Not available |
| SYLVIA I MAHLEY | Alternate electronic business | Contact method not published | SAM registration | Not available |
Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source
Explore the customer, work and award-size evidence behind each match.
Recorded award industries: 541690 — Other Scientific and Technical Consulting Services; 541211 — Offices of Certified Public Accountants.
Recorded products and services: R424 — Expert Witness; R499 — Other Professional Services.
Examples from recent award records:
These records describe federal award work, not every company capability. Review the award evidence.
1390 WILLOW PASS RD STE 410, CONCORD, California 94520, United States
Registered location from SAM.gov; award performance locations may differ.
541690 — Other Scientific and Technical Consulting Services.
Primary SAM.gov NAICS classification.
Department of the Treasury; Securities and Exchange Commission; Department of Justice.
Sources: SAM.gov registration, USAspending awards and transactions, and linked supporting records. Prime contract obligations, IDV ceilings and assistance amounts are kept separate. Missing records are not zero activity. Company claims are labeled separately. Recompete signals are rule-based scores out of 100. Positioning windows are AcornBids estimates.
Disclosed relationships only. Missing records do not establish that a contractor has no partners. Ambiguous parent award identifiers are excluded.
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