About Company

Anaheim Business Service is a long-established private tax practice in Anaheim, California, founded by Mark McConnell and dedicated to serving a closed roster of long-term clients. The firm focuses on relationship-based service, providing consistent, personalized tax and accounting support to individuals, families, and select businesses that have relied on the same trusted advisor for decades. Anaheim Business Service offers a full range of services for existing clients, including tax preparation and planning for individuals, estates, trusts, and entities; representation for IRS tax problems such as audits, collections, and appeals; business consulting informed by deep knowledge of each client’s financial history; and retirement planning tailored to income, tax position, and estate considerations. The company uses its website primarily as a secure, convenient hub where current clients can access updates, documents, educational resources, and communication tools, reflecting the firm’s traditional, selective model and long-term commitment to trust and stability.

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