Christopher Sigmund

Christopher Sigmund guides clients in successfully resolving tax controversy matters at all stages. His experience includes favorable outcomes on numerous audits and IRS Appeals. Often, he also leverages his experience to help clients assess risk and make thoughtful decisions before issues arise with the IRS or state governments. As part of his practice, Christopher represents clients in U.S. Tax Court and U.S. district court, as well.

Christopher’s practice includes a diverse range of clients including individuals, families, corporations, and pass-through entities. He advises clients on California and other state and local tax matters including residency, property, sales, and employment tax-related issues. These matters have included complex trust and estate considerations, as well as foreign asset and virtual currency issues. Christopher often works closely with clients outside the United States or with international families to navigate such issues.

Maintaining an active pro bono practice, Christopher has represented clients in federal court, as well as in front of the IRS and state tax authorities. He also advised a nonprofit through a successful asset acquisition and expansion of its services to communities in need around the Bay Area.

In addition to tax controversy, Christopher has obtained IRS private letter rulings for his clients and advised on spinoffs, cross-border mergers and acquisitions, and bankruptcy proceedings. He has also worked closely with public institutions on litigation and mediation-related matters.