Chuck Rettig has been quoted with respect to tax-related matters by the Wall Street Journal, the Los Angeles Times, Forbes, Tax Analysts-Tax Notes, the BNA Daily Tax Report and other national periodicals. As stated in the Chambers USA Guide, "According to peers, Charles Rettig of small tax controversy boutique Hochman Salkin Rettig Toscher & Perez is ‘phenomenal, just phenomenal.' He has a ‘tremendous reputation' for his work which is primarily tax controversial." For 2008 Chambers USA Guide added "Charles Rettig of California's Hochman Salkin Rettig Toscher & Perez is regarded by market sources as a 'brilliant and gifted lawyer'" who "enjoys a superb reputation and benefits from ‘great presence.'" "Fantastic controversy tax lawyer" Charles Rettig is "knowledgeable and very intelligent." He is a Certified Specialist in both Taxation Law and Estate Planning, Trust and Probate Law, by the State Bar of California Board of Legal Specialization.

Mr. Rettig is a member of the IRS Advisory Council (IRSAC); the Advisory Board of the California Franchise Tax Board; the Institute Chair for the UCLA Extension Annual Tax Controversy Institute; a Planning Committee Member for the USC School of Law 50th Annual Institute on Federal Taxation (Institute Chair for the Subcommittee on Ethics, Compliance and Enforcement); a Planning Committee Member and the "Tax Controversies" Chair for the 67th NYU Institute on Federal Taxation and a Member of the Board of Trustees for the California CPA Education Foundation. He was selected as both a Top 100 Super Lawyer (Los Angeles County) by Los Angeles Magazine / Southern California Super Lawyers Magazine in 2005 and a Top Tax Super Lawyer (Los Angeles County), Los Angeles Magazine / Southern California Super Lawyers Magazine in 2004, 2005, 2006, 2007 and 2008. He was selected as one of the "Top 50 IRS Representation Practitioners for 2008" by CPA Magazine.