Tax Accountant in Aurora, CO

Local tax preparation, planning, and bookkeeping services from a real Aurora office you can call or visit.

Tax & Accounting Services in Aurora

We provide a full range of Aurora tax and accounting services, including

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Aurora Tax Preparation

Individual and business returns prepared accurately and filed electronically. We support W-2 employees, retirees, self-employed individuals, and business owners.

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Aurora Tax Planning

Year-round tax planning designed to help reduce avoidable liability and coordinate financial decisions before deadlines.

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Aurora Bookkeeping

Monthly bookkeeping, bank reconciliation, and financial reporting support for small businesses.

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IRS Tax Help

Support with IRS notices, audits, payment plans, and back taxes.

For a full overview of services, visit our Services page.

Established Local Firm Since 1986

When comparing CPA near Aurora options, longevity matters. Mark Christiansen Associates LLC has served the Aurora community since 1986. Our longstanding presence reflects consistent service, practical guidance, and ongoing relationships with local clients.



We are active members of professional accounting associations and maintain a secure client portal for document exchange and communication.

Can You Meet in Person?

Yes. Many clients prefer face-to-face conversations when discussing taxes or business finances. Our Aurora office provides that option.


If you prefer digital convenience, we also offer:


  • Secure document upload
  • Electronic signatures
  • Online payment options

Ready to Get Started With an Aurora Tax Accountant?

If you’re comparing local firms and want clear service scope, a physical office location, and direct phone access, we’re here to help.