Andrew Seielstad
Apple Valley, CA Doing business as Ancillary Microbusiness Solutions
- UEI
- ZADFTKBNG532
- CAGE
- 17AA3
- Primary NAICS
- 561110 Office Administrative Services
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Sole Proprietorship
- Other NAICS codes in SAM.gov
- SAM.gov registration date
- Physical address
- 13526 Cronese Rd, Apple Valley, CA 92308, USA
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
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|---|---|---|
| Evans Ileana | Escondido, CA | 236220 Commercial and Institutional Building Construction |
SBA capabilities narrative
Ancillary Microbusiness Solutions (AMS) provides office administrative and reporting support services to government agencies, prime contractors, and commercial organizations. AMS specializes in structured reporting, document control, and back-office administrative assistance designed to support compliance, accuracy, and operational efficiency. AMS has experience supporting multi-entity reporting environments in regulated industries.
Led by a principal with a B.S. in Finance, Real Estate, and Law, AMS delivers finance-informed administrative support including spreadsheet reconciliation, data cleanup, records management, and procurement documentation support. AMS has experience supporting complex, deadline-driven administrative environments and integrates remotely with existing teams without adding internal overhead.
Quick answers
Is Andrew Seielstad registered in SAM.gov?
Yes. Andrew Seielstad's SAM.gov registration is active through January 9, 2027.
On GovTribe
See Andrew Seielstad's full federal record
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