Overview
ANDREW SEIELSTAD (doing business as ANCILLARY MICROBUSINESS SOLUTIONS) is a U.S. government contractor based in APPLE VALLEY, CA. The company is registered with the federal government under Unique Entity ID ZADFTKBNG532 and CAGE code 17AA3. Its primary industry classification is NAICS 561110. Its current SAM.gov registration status is Active.
Contact Information
Verified contact details for ANDREW SEIELSTAD are available on GovContractFinder.
See contact information →Capabilities
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.
NAICS Codes primary: 561110
Registration & Entity Details
- Location
- APPLE VALLEY, CA 92308
- Unique Entity ID (UEI)
- ZADFTKBNG532
- CAGE Code
- 17AA3
- SAM Registration
- Active
- Registered
- Dec 3, 2025
- Registration Expires
- Jan 9, 2027
- Legal Structure
- 2J
- Congressional District
- 23
- Website
- ancillaryms.com
See full information on GovContractFinder
Complete award history, points of contact, and verified contact details for ANDREW SEIELSTAD are available on GovContractFinder.
See full information →Frequently Asked Questions
- Is ANDREW SEIELSTAD registered with the U.S. federal government?
- Yes. ANDREW SEIELSTAD is registered in SAM.gov under Unique Entity ID (UEI) ZADFTKBNG532 and CAGE code 17AA3. Its current registration status is Active.
- Where is ANDREW SEIELSTAD located?
- ANDREW SEIELSTAD is located in APPLE VALLEY, CA 92308.
- What industry is ANDREW SEIELSTAD in?
- ANDREW SEIELSTAD's primary NAICS classification is 561110. Registered NAICS codes include 541219, 541611, 561110, 561410, 561499.
- How can I find more information about ANDREW SEIELSTAD?
- Full award history and verified contact details for ANDREW SEIELSTAD are available on GovContractFinder.