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CONTACT US

Let's Discuss Your Accounting, Tax, or Government Contractor Needs

Whether you're pursuing your first Department of Defense contract, managing government contractor accounting requirements, or seeking bookkeeping and tax support, Abuan CPA Corp. welcomes the opportunity to discuss your situation and determine whether our services are a good fit.

As an independent CPA firm, clients work directly with a California-licensed CPA throughout the engagement.

Why Contact Abuan CPA Corp.?

✔ California-licensed CPA

✔ Former DCAA Senior Auditor

✔ Nearly 20 Years with DCAA

✔ Nationwide Virtual Service

✔ Direct Access to the CPA

✔ Local In-Person Meetings by Appointment

WHO WE HELP

Select the Service That Best Fits Your Situation

Each client situation is different. Here is a quick guide to help you identify the right starting point.

Commercial Companies Entering Defense Contracting

For companies pursuing their first Department of Defense contract, OTA agreement, SBIR award, or subcontract opportunity.

Services may include:

  • NDC Qualification Assessment

  • Accounting System Setup Guidance

  • Cost Tracking & Job-Costing Support

  • Indirect Rate Structure Development

  • Labor Tracking & Timekeeping Guidance

  • Cost Proposal Support

Learn more →

Government Contractors

For established contractors managing accounting, indirect rates, incurred cost submissions, and other government contract accounting requirements.

Services may include:

  • Government Contract Accounting

  • Accounting Systems Readiness Assessments

  • Indirect Rate Calculations

  • Incurred Cost Submissions (ICS)

  • FAR Part 31 Cost Allowability Advisory

  • Timekeeping & Labor Charging Assessments

  • DCAA Audit Support

  • CAS Disclosure Statement Preparation

Learn more →

Small Business & Individuals

  • Bookkeeping Services

  • QuickBooks Online Support

  • Accounting Services

  • Business Tax Preparation

  • Individual Tax Preparation

  • Tax Planning

Learn more →

SEND A MESSAGE

How Can We Help? ​

 

Please complete the form below and briefly describe your situation.

We will review your inquiry and respond regarding your accounting, tax, or advisory needs.

Service of Interest

FIRM INFORMATION

Abuan CPA Corp.

Business Hours

Monday – Friday: 8:00 AM – 5:00 PM

Saturday – Sunday: Closed

Consultations and in-person meetings are available by appointment.

Virtual Services

Virtual accounting, tax, and government contractor advisory services are available to clients throughout California and nationwide.

Local In-Person Meetings

In-person meetings may be arranged by appointment at client locations or at another mutually agreed professional meeting location within the firm’s local service area.

Local in-person availability includes Menifee and selected surrounding Riverside County communities, including:

  • Menifee

  • Murrieta

  • Temecula

  • Winchester

  • Canyon Lake

  • Lake Elsinore

  • Perris

  • Hemet

Availability depends on the nature of the engagement, scheduling, travel requirements, and meeting location.

Extended In-Person Meeting Availability

In-person meetings may also be arranged in selected locations within San Diego County, Orange County, and Los Angeles County, subject to the nature of the engagement, scheduling, travel availability, and the agreed meeting location.

Virtual services remain available throughout California and nationwide.

Professional Services & License Disclosure

 

Abuan CPA Corp. is a California CPA firm providing accounting, bookkeeping, tax preparation, consulting, and advisory services. The firm's shareholder holds a California CPA license. The firm's services are within the scope of general accounting experience and do not include attest engagements.

 

The firm does not provide audit, review, compilation, examination, agreed-upon procedures, or other attest services, and does not issue reports on attest engagements.

 

"DCAA Audit Support" refers exclusively to advisory and consulting assistance provided during audits or reviews conducted by the Defense Contract Audit Agency (DCAA) or other government agencies and does not involve the performance of independent audits by this firm.

 

No specific outcome, approval, finding, contract award, or government determination is guaranteed.

© 2026 Abuan CPA Corp. All Rights Reserved. 

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