We appreciate your interest in working with Anaheim Business Service. Due to overwhelming success we are currently not accepting new clients.

Welcome to

Anaheim Business Service

Anaheim Business Service, founded by Mark McConnell, is a long-established private tax practice serving a closed roster of long-term clients in Anaheim, California. The firm is built on steady, relationship-based service, offering consistent support to individuals and families who have relied on the same trusted advisor for decades. While the practice does not accept new clients, this website provides convenient access to updates, documents, and resources for those currently served.

Welcome to Anaheim Business Service

We offer a full range of tax and accounting services.

A Traditional, Selective Tax Practice

Current clients can depend on Anaheim Business Service for a wide range of tax and financial support, including representation before the IRS for audits, collections, and appeals; retirement and pension planning; business and investment planning; and strategies for preserving estates and protecting valued assets. This selective tax practice allows clients to receive consistent attention from a practitioner who already understands their financial history and long-term goals.

Resources for Current Clients
This website is designed to make it easier for existing clients to stay informed throughout the year. Whether you need filing updates, helpful documents, or additional guidance, Anaheim Business Service remains committed to providing steady, traditional service rooted in trust and long-standing relationships.