Get to Know Brett A. Efimov, CPA, Ltd.
The firm provides accounting, tax, compilation, as well as audit and review services. We work with our clients in all phases of business, from start- up, to business expansion to providing consulting services for established businesses.

Working With Us

A Fractional CFO Practice Built on Real Business Experience

Brett A. Efimov, CPA, Ltd. exists to serve business owners who need strategic guidance, not just compliance.

At the center of the practice is Fractional CFO services, supported by accounting, tax preparation, and advanced tax planning for business owners and high-net-worth individuals. The work goes beyond bookkeeping or annual filings and focuses on helping clients understand how compensation, payroll, cash flow, and tax strategy interact inside a business.

Brett Efimov is a licensed CPA with more than 30 years in practice, as well as a Certified Tax Planner and Certified Tax Coach. His career spans multiple disciplines — including sales leadership, entrepreneurship, audit oversight, and peer review — giving him a uniquely broad view of business operations and financial risk.

Before entering public accounting, Brett built and managed a large multi-state sales organization, eventually serving as a sales manager overseeing operations across dozens of locations. That experience shapes how he advises Brett A. Efimov, CPA, Ltd.’s clients today: with a clear understanding of growth, margins, incentives, and the realities of running a business.

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WHY CHOOSE BRETT?

What Sets This Firm Apart

  • Fractional CFO focus for closely held and family-owned businesses

  • Advanced tax planning for high-net-worth business owners

  • Deep expertise in owner compensation and payroll strategy

  • Tools clients actually use — including a long-standing paycheck and payroll calculator relied on by many clients for ongoing planning and decision-making

  • Experience across audit, peer review, and regulatory standards

Brett is also a partner in an audit firm and has served as a peer reviewer for the CPA society, reinforcing the firm’s commitment to accuracy, ethics, and professional standards.

Professional Credentials & Affiliations

  • Licensed CPA in the State of Illinois

  • Member, AICPA

  • Member, Illinois CPA Society

  • Member, National Society of Tax Practitioners

  • Member, American Institute of Certified Tax Coaches

Brett A. Efimov, CPA, Ltd. is designed for business owners who value experience, strategic thinking, and guidance that reflects the full complexity of ownership, not just what shows up on a tax return. Call (708) 614-9994 today.

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