Peterson Sullivan LLP Certified Public A (WA)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2014
- $265.28K
- $265,284under this UEI
- FY2026 obligations
- $0†
- Provisional
- Awards and orders
- 7
- with positive net obligations
- Latest action
- Feb 26, 2025
- SAM.gov registration
- Inactive
- Registration expiration date Dec 12, 2020
Registration
- Doing business as
- Peterson Sullivan & Co
- Entity structure
- Partnership or Limited Liability Partnership
- Business start date
- Oct 30, 2008 (17 years)
- Location
- Seattle, WA
- State of incorporation
- Washington
- Purpose of registration
- All Awards
- Website
- pscpa.com
† FY2026 obligations (provisional; DoD awards signed after Jul 30, 2026 are not yet public).
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI JEMAK1XPN9S9. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2014. Top lists show the largest five by share of this vendor's net obligations; the shares do not sum to 100%.
Net obligations by fiscal year of action
- FY2023: -$31,680 (de-obligation)
- FY2022: -$30,100 (de-obligation)
- FY2021: -$7,545 (de-obligation)
- FY2020: -$49,094 (de-obligation)
- FY2019: $130,985
- FY2018: $119,005
- FY2017: $56,025
- FY2016: $11,668
Show all 10 yearsEarlier years (FY2014–FY2015)
- FY2015: $36,505
- FY2014: $29,515
Total across 10 fiscal years: $265,284
Net de-obligation in that fiscal year (obligations withdrawn).
Top awarding agencies
- Department of the Treasury$265,284, 100%
Top awarding sub-agencies
- Internal Revenue Service$265,284, 100%
Top NAICS by obligations
- 541211Offices of certified public accountants$210,681, 79.4%
- 523930Investment advice$40,365, 15.2%
Top product and service codes by obligations
- R424Support- professional: expert witness$265,284, 100%
Capabilities
NAICS codes
SBA certifications
No certification in the SBA profile data.
Product and service codes (PSC)
- R424SUPPORT- PROFESSIONAL: EXPERT WITNESS
- R703SUPPORT- MANAGEMENT: ACCOUNTING
Contracts
Latest awards and orders
- TIRMS14P00354Purchase orderDepartment of the TreasuryInternal Revenue ServiceLatest action
- 205AE918P00113Purchase orderDepartment of the TreasuryInternal Revenue ServiceLatest action
- TIRMS17E00016Purchase orderDepartment of the TreasuryInternal Revenue ServiceLatest action
- 2023H219P00581Purchase orderDepartment of the TreasuryInternal Revenue ServiceLatest action
- 205AE918P00282Purchase orderDepartment of the TreasuryInternal Revenue ServiceLatest action
- TIRMS15P00223Purchase orderDepartment of the TreasuryInternal Revenue ServiceLatest action
- 2023H219P00151Purchase orderDepartment of the TreasuryInternal Revenue ServiceLatest action
- TIRWR14E00006Purchase orderDepartment of the TreasuryInternal Revenue ServiceLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for Peterson Sullivan LLP Certified Public A lists a physical address and a separate mailing address, along with 2 verified points of contact. Past Performance contacts are the recommended outreach channel for due-diligence references; Government Business contacts handle procurement-facing correspondence.
Source: SAM.gov entity registration. Contacts displaying numeric or placeholder names have been filtered (defense-in-depth).
Physical Address
601 Union St Ste 2300
Seattle, WA, 98101
USA
Mailing Address
601 Union St Ste 2300
Seattle, WA, 98101
USA
Government Business Contact
Mark Mitchell
Partner
601 Union Street Ste. 2300
Seattle, WA, 98101
USA
Electronic Business Contact
Mark Mitchell
Partner
601 Union Street Ste. 2300
Seattle, WA, 98101
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
Peterson Sullivan LLP Certified Public A has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires December 12, 2020.
Source: SAM.gov entity registration (FAR responses, registration status). Always verify active exclusions against the authoritative record on SAM.gov before contract award.
Compliance & Risk Assessment
Source: SAM.gov FAR responsesSuspension/Debarment Status
SAM.gov registration reports no active exclusion
Public Display
Entity information is publicly displayed
Disaster Relief Registry
Not registered for disaster relief
Bonding Information
No bonding information provided
EDI
Not declared in SAM.gov
Business Structure
Source: SAM.govRegistration Details
Source: SAM.govInitial Registration
Last Update
Registration Activation
Fiscal Year End
Country of Incorporation
Congressional District
Other contractors in Washington with primary NAICS 541211
- Halal CPA, PLLCSeattle, WA
- Pacific Northwest Consultants LLCAuburn, WA
- Kofmehl Associates LLCPreston, WA
- Francis & Co PLLCSeattle, WA · SAM.gov registration Expired
- Hanford & Associates, LLCWest Richland, WA
- Stratiq Consulting, LLCSpokane, WA