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Awards and Honors

  • Moore Tax Law Group LLC was ranked Band 2 by Chambers and Partners’ High Net Worth Guide 2024: USA – Nationwide under the practice area Tax: Private Client. Moore Tax Law Group has been recognized in this category since 2023. Attorney Guinevere Moore was recognized in the High Net Worth Guide 2024 as Band 1 under the practice area Tax: Private Client. Guinevere has been recognized for this area since 2022. Guinevere Moore was also recognized in the USA Guide 2024 as Band 3 under the practice area Tax: Controversy, Illinois. Guinevere has been recognized for this area since 2023. Attorney Zhanna Ziering was recognized in the High Net Worth Guide 2024 as Band 3 under the practice area Tax: Private Client. Zhanna has been recognized for this area since 2022.
  • Moore Tax Law Group LLC was ranked Tier 2 by ITR 2025 World Tax under the practice area USA Regional -Illinois: Tax Controversy. Attorney Guinevere Moore was recognized as a Highly Regarded Practitioner the practice area United States: Tax Controversy. Guinevere has been recognized by ITR World Tax since 2022
  • Moore Tax Law Group LLC attorney Guinevere Moore was recognized by The American Bar Association and received the 2024 Janet Spragens Pro Bono Award
  • Moore Tax Law Group LLC attorney Guinevere Moore was recognized by Best Lawyers – The Best Lawyers in America, 2025 Edition in the Litigation & Controversy – Tax category. Guinevere has been recognized by Best Lawyers since 2023.
  • Moore Tax Law Group LLC attorney Zhanna Ziering was recognized by Best Lawyers – The Best Lawyers in America, 2025 Edition in the categories Litigation & Controversy – Tax and Tax Law. Zhanna has been recognized by Best Lawyers since 2021.
  • Moore Tax Law Group LLC attorney Aaron Esman was recognized by Best Lawyers – Ones to Watch in America, 2025 Edition in the categories of Corporate Law and Litigation & Controversy – Tax. Aaron has been recognized by Best Lawyers since 2024.
  • Moore Tax Law Group LLC was ranked Tier 5 by Legal 500 United States 2024 under the practice area US Taxes: Contentious. Zhanna Z. Ziering was recognized as a Leading Lawyer by Legal 500 United States 2024 under the practice area US Taxes: Contentious.
  • Moore Tax Law Group LLC was ranked Tier 5 by Legal 500 United States 2024 under the practice area US Taxes: Contentious. Zhanna Z. Ziering was recognized as a Leading Lawyer by Legal 500 United States 2024 under the practice area US Taxes: Contentious.
  • Moore Tax Law Group LLC attorney Aaron Esman was recognized by Best Lawyers Ones to Watch 2024 in two categories of Corporate Law and Litigation & Controversy – Tax. 
  • Moore Tax Law Group LLC attorneys Guinevere Moore and Zhanna Ziering were recognized by Best Lawyers in America for 2024 in the field of Litigation and Controversy – Tax.  The 30th edition of The Best Lawyers in America recognizes only the top 5% of elite lawyers in the nation across 150 practice areas and selects the recipients of the honor through an exhaustive peer-review process.  
  • Moore Tax Law Group LLC attorneys Zhanna Ziering and Aaron Esman were recognized by Super Lawyers on its 2023 New York Metro list. Zhanna Ziering was listed as a Super Lawyer in Tax and Aaron Esman was listed as a Rising Star in Tax. Only 5% of attorneys are selected as Super Lawyers and only 2.5% are selected as Rising Stars.
  • Moore Tax Law Group LLC was recognized and ranked by the U.S. News – Best Lawyers “Best Law Firms” 2023:
    • National Rankings Tier 3 in Litigation – Tax
    • Metropolitan Rankings Tier 2, New York City, in Litigation – Tax.
  • Zhanna Ziering was named the Best Lawyers 2023 “Lawyer of the Year” for work in Litigation and Controversy -Tax in New York City.  This award is bestowed to only one lawyer with the highest average of votes in their particular practice and region, indicative of a stellar reputation and work ethic. For 2023, only 5,484 lawyers, 0.4% of all practicing U.S. lawyers, across the country were presented this award.  In addition, Ms. Ziering has been recognized by the Best Lawyers in America for her work in Litigation and Controversy – Tax since 2021.  
  • Guinevere Moore was recognized by the Best Lawyers in America 2023 for work in Litigation and Controversy-Tax.  The 29th edition of The Best Lawyers in America recognizes only the top 5.3% of elite lawyers in the nation across 150 practice areas and selects the recipients of the honor through exhaustive peer-review process.   
  • Guinevere Moore was recognized as Highly Regarded Practitioner for Tax Controversy work in the United States by International Tax Review—World Tax, 2022.  Moore Tax Law Group congratulates our managing partner on such well-deserved achievement!
  • Moore Tax Law Group LLC was ranked by 2022 Chambers High Net Worth Guide under the new practice area Tax: Private Client.  The Chambers HNW Guide recognized Moore Tax Law Group to be “widely regarded as a great boutique firm handling tricky tax controversy matters.’”  The firm is described as having “considerable experience representing high net worth individuals and closely held businesses in federal tax disputes.”  An interviewee remarks included in the Guide: “Moore Law Group is a fantastic boutique with in-depth experience. They are very focused on navigating tax disputes for high net worth individuals. I am always happy to refer cases to them.”  The Firm was ranked by the Chambers HNW Guide in Band 2, USA.  In addition, the Guide recognized two of the Firm’s attorneys.
    • Guinevere Moore, the Firm’s founding and managing partner, was recognized by the Guide in Band 2, USA in the Tax: Private Client practice area.  The 2022 Chambers HNW Guide: “Guinevere Moore represents high net worth individuals in a wide range of tax investigations, including IRS examinations and appeals. An interviewee enthuses: She has all the qualities that make a great lawyer; she is smart, has great judgement and is great to work with.’ Another remarks: ‘She is a terrific lawyer. She is very knowledgeable, efficient and an effective litigator. I would call her if the government ever looked into my own conduct.’
    • Zhanna Ziering was recognized by the Guide in Band 3, USA in the in the Tax: Private Client practice area.  The 2022 Chambers HNW Guide: “Zhanna Ziering acts for high net worth individuals on complex tax controversies and litigation. A source comments: Zhanna is a brilliant lawyer. She is an extremely knowledgeable attorney with fantastic client skills.’ Another says: ‘Zhanna Ziering is an amazing attorney. She is very smart, very client-friendly and very experienced.’ 
  • Guinevere Moore is selected among America’s Top 100 Criminal Defense Attorneys for Illinois in 2022 This honor is awarded to only 100 attorneys in Illinois who demonstrated years of exceptional advocacy, ethical standards, and extraordinary accomplishments in White-Collar and/or General Criminal Defense matters.
  • Legal 500 recognizes Moore Tax Law Group LLC as Firms To Watch – U.S. Taxes: Contentious in its 2022 edition.   Zhanna A. Ziering continues to be recognized by Legal 500 as the Next Generation Lawyer.
  • Aaron M. Esman is awarded the 2022-2023 John S. Nolan Fellowship.  Moore Tax Law Group congratulates Aaron M. Esman for being awarded the John S. Nolan Fellowship by the American Bar Association Tax Section.  Aaron is one of the six attorneys in the nation to be awarded the Fellowship.  Nolan Fellowship is awarded to individuals who are actively involved in the Section and have demonstrated leadership qualities and a commitment to the Section’s mission.  
  • Tax Advocacy With a Personal Touch Fortune & Forbes profiles Moore Tax Law Group LLC in it’s June/July issue.  Read the article here.

Moore Tax Law Group, LLC, Quoted In Tax Notes

  • Kathy Enstrom was interviewed in Tax Notes – September 18, 2024 First Crypto Tax Guilty Plea May Offer Future Enforcement Hints. Read the article here.
  • Guinevere Moore quoted in Tax Notes – September 9, 2024 Voluntary Disclosure Form Changes Could Threaten Practice. Read the article here.
  • Zhanna Ziering quoted in Tax Notes – June 13, 2024 Dual Resident Can’t Escape Form 5471 Obligations, Memo Says. Read the article here.
  • Kathy Enstrom quoted in Tax Notes – June 10, 2024 Frustrations Mount Over ERC Processing Delays. Read the article here.
  • Zhanna Ziering quoted in Tax Notes – May 8, 2024 Detailed Foreign Trust, Gift Regs Address Reporting and Penalties. Read the article here.
  • Guinevere Moore quoted in Tax Notes – April 16, 2024 Tax Court Won’t Force Acquitted Easement Appraiser to Testify. Read the article here.
  • Kathy Enstrom quoted in Tax Notes – March 25, 2024 IRS Leaves Door Open to Resume ERC Voluntary Disclosure. Reach the article here.
  • Zhanna Ziering quoted in Tax Notes – November 6, 2023 IRS Database Flaw Could Have Outsize Impact on FBAR Penalties. Read the article here.
  • Kathy Enstrom quoted in Tax Notes – October 30, 2023 ERC Moratorium Seemingly Directed at Taxpayer Awareness.  Read the article here.
  • Kathy Enstrom quoted in Tax Notes – October 23, 2023 Lawsuits Target Business Practices of ERC Firms.  Read the article here.
  • Kathy Enstrom quoted in Tax Notes – August 23, 2023 Surge in IRS Crypto Seizures Might Pose Market Challenge.  Read the article here.
  • Zhanna Ziering quoted in Tax Notes – July 10, 2023 IRS Appeals Training Slides Offer Insight on Delinquent Filing. Read the article here.
  • Kathy Enstrom quoted in Tax Notes – May 30, 2023 Tax Community Would Welcome ERC-Specific Voluntary Disclosure. Read the article here.
  • Kathy Enstrom quoted in Tax Notes – May 16, 2023 Training Docs Suggest IRS is Focused Only on Most Serious ERC Fraud. Read the article here.
  • Zhanna Ziering quoted in Tax Notes – March 6, 2023 Supreme Court Hands Huge Victory to Non-Willful FBAR Violators. Read the article here.
  • Zhanna Ziering quoted in Tax Notes – February 17, 2023 Treaty Residency ‘Escape Hatch’ May Be New FBAR Hot-Button Issue. Read the article here.
  • Guinevere Moore quoted in Tax Notes – February 15, 2023 Company Gets Chance to Challenge Tax Court Deadline, IRS Notice. Read the article here.
  • Zhanna Ziering quoted in Tax Notes – November 3, 2022 Justices Pepper Sides in FBAR Dispute With Textual, Equitable Queries. Read the article here.
  • Guinevere Moore and Zhanna Ziering quoted in Tax Notes – October 10, 2022 FOIA Materials Show Appeals’ View on Approval of Penalties. Read the article here.
  • Guinevere Moore and Zhanna Ziering quoted in Tax Notes – October 10, 2022 IRS Appeals Training Materials on Reasonable Cause Worry Practitioners. Read the article here.
  • Zhanna Ziering quoted in Tax Notes – July 1, 2022 Ex-Official: International Penalties Need Supervisor Approval. Read the article here.
  • Zhanna Ziering quoted in Tax Notes – June 27, 2022 IRS Working on Voluntary Disclosure Backlog. Read the article here.
  • Guinevere Moore and Zhanna Ziering quoted in Tax Notes – June 22, 2022 Practitioners Relieved by SCOTUS Grant of Cert in FBAR Case. Read the article here.
  • Guinevere Moore quoted in Tax Notes – June 22, 2022 Taxpayer Seeks Do-Over on Timing of Penalty Approval Rule. Read the article here.
  • Aaron Esman quoted in Tax Notes – June 20, 2022 Alliant Group’s ‘Nightmare’ Probe by IRS is Only Just Beginning. Read the article here.
  • Aaron Esman quoted in Tax Notes – May 23, 2022 Smartphone Apps Raise New Ethical Issues on Client Data Security. Read the article here.
  • Zhanna Ziering quoted in Tax Notes – March 31, 2022 IRS Abused Discretion Over FBAR Willful Penalties, Court Holds. Read the article here.
  • Guinevere Moore and Zhanna Ziering quoted in Tax Notes – February 16, 2022 IRS Updates Voluntary Disclosure Form With Electronic Bent. Read the article here.
  • Guinevere Moore quoted in Tax Notes – February 14, 2022 Fixing Tax Statutes on Judicial Access Seen as Long Overdue. Read the article here.
  • Guinevere Moore quoted in Tax Notes – November 22, 2021 Practitioners Incensed Over International Penalty Assessment. Read the article here.
  • Guinevere Moore quoted in Tax Notes – November 2, 2021 IRS Accountability May Take a Hit if Penalty Approval Changes. Read the article here.
  • Zhanna Ziering quoted in Tax Notes – October 18, 2021 Not Filing Schedule B Partially Saves Taxpayer FBAR Penalties. Read the article here.
  • Zhanna Ziering quoted in Tax Notes – August 16, 2021 Zhanna Ziering was quoted in Tax Notes, where she discussed the Panamanian Summons Seen as Better Path to Law Firm Client Info. Read the article here.
  • Guinevere Moore quoted in Tax Notes – July 12, 2021 Six Months In, Lawyers Still Grappling With New Tax Court System. Read the article here.
  • Guinevere Moore quoted in Tax Notes – June 28, 2021 Ownership Registry Brings Tax Enforcement Benefits and Risks. Read the article here.
  • Guinevere Moore quoted in Tax Notes – February 4, 2021 Guinevere Moore was quoted in Tax Notes, where she discussed how the Pandemic Could Lead to Wave of Gray-Area Employment Tax Cases. Read the article here.
  • Guinevere Moore quoted in Tax Notes – December 15, 2020 Guinevere Moore was quoted in Tax Notes, where she discussed the CARES Act Payment Suit by Immigrant’s Spouse Survives Dismissal. Read the article here.
  • Guinevere Moore quoted in Tax Notes – August 17, 2020 Guinevere Moore was quoted Tax Notes, where she discussed the Proposed Regs Limit Contractor Role in Audits. Read the article here.
  • Guinevere Moore quoted in Tax Notes – May 14, 2020 Guinevere Moore was quoted Tax Notes, where she discussed the IRS Has New Answers on What Voluntary Disclosure Entails. Read the article here.
  • Guinevere Moore quoted in Tax Notes – May 13, 2020 Guinevere Moore was quoted Tax Notes, where she discussed the IRS Gives New Answers on Eligibility for Voluntary Disclosure. Read the article here.
  • Guinevere Moore quoted in Tax Notes – April 07, 2020 Guinevere Moore was quoted Tax Notes, where she discussed the Privilege Claim Costs IRS on Penalty Approval Argument. Read the article here.
  • Guinevere Moore quoted in Tax Notes – December 10, 2019 Guinevere Moore was quoted in Tax Notes where she discusses IRS Announcement of Tax Attorney as New OPR Director. Read the article here.
  • Guinevere Moore quoted in Tax Notes – October 14, 2019 Guinevere Moore was quoted in Tax Notes where she discussed More Ways to Aid Middle-Income Taxpayers offered by ‘Low Bono’ Options. Read the article here.
  • Guinevere Moore quoted in Tax Notes – September 9, 2019 Guinevere Moore was quoted extensively regarding the new IRS Relief Procedures offered to Some United States expatriates. Read the article here.
  • Guinevere Moore was quoted in Tax Notes – July 30, 2019 Guinevere Moore is quoted in Tax Notes where she discusses answering the IRS’s new cryptocurrency tax compliance letters with caution. Read the article here.
  • Guinevere Moore quoted in Tax Notes – July 22, 2019 Guinevere Moore was quoted in Tax Notes where she discusses the IRS’s Large Business and International Division’s announcement of six additional compliance campaigns that touch on international issues, S corporation abuses, and deferred compensation. Read the article here.
  • Guinevere Moore quoted in Tax Notes – February 8, 2019, Guinevere Moore was quoted in Tax Notes, where she discussed the potential issues that may result from the new IRS voluntary disclosure rules. Read the article here.
  • Guinevere Moore quoted in Tax Notes – January 8, 2019 Guinevere Moore was quoted in Tax Notes, where she discussed the changes to the rules surrounding partnership representatives. Read the article here.
  • Guinevere Moore quoted in Tax Notes – December 18, 2018 Guinevere Moore was quoted regarding the effect of the new IRS disclosure policy on virtual currency holders in a recent Tax Notes article, based on the discussion she participated in at the ABA’s 35th Annual National Institute on Criminal Tax Fraud and Eighth Annual National Institute on Tax Controversy. Read the article here.
  • Guinevere Moore quoted in Tax Notes article on expanding IRS authority Johnson Moore partner Guinevere Moore was quoted by Tax Notes regarding why the current proposal to expand IRS authority to change a taxpayer’s tax due without first issuing a statutory notice of deficiency would harm taxpayers. Read more about why here.

Quotes In Other Publications

  • Kathy Enstrom was quoted in Forbes on May 23, 2024 What’s Next For ERC Refund Claims Pending With the IRS? Read the article here.
  • Kathy Enstrom quoted in Everlaw on April 17, 2024 Driving Change Management A Conversation with Kathy Enstrom, Trailblazer in Federal Law Enforcement. Read the article here.
  • Kathy Enstrom Quoted in ICIJ on February 21, 2024 Inside the IRS unit taking on America’s millionaires and billionaires. Read the article here.
  • Zhanna Ziering quoted in Bloomberg on July 12, 2022 Settlement Calculus Shifts as SCOTUS Grants Foreign Account Case. Read article here.
  • Guinevere Moore quoted in Bloomberg on July 29, 2021 Guinevere Moore was quoted in Bloomberg regarding Crypto Surprise Rattles Industry in Rare Bipartisan Tax Plan. Read the article here.
  • Guinevere Moore quoted in Bloomberg on May 4, 2021 Guinevere Moore was quoted in Bloomberg regarding a crackdown on cryptocurrency driving ‘John Doe’ record demands from the IRS. Read the article here.
  • Guinevere Moore quoted in Bloomberg on March 31, 2021 Guinevere Moore was quoted in Bloomberg regarding President Biden’s support of a funding boost for the IRS to crack down on companies. Read the article here.
  • Guinevere Moore quoted in Law360 on December 14, 2020 Guinevere Moore was quoted in Law360 regarding Judge Allows Immigrant Spouse Virus Check Suit To Proceed. Read the article here.
  • Guinevere Moore quoted in Bloomberg on October 30, 2020. Guinevere Moore was quoted in Bloomberg regarding Tax Court’s tech upgrades and switches.  Read the article here.
  • Guinevere Moore quoted in Bloomberg on August 1, 2019. Guinevere Moore was quoted in Bloomberg with regarding to the IRS’s warning letters to cryptocurrency investors for potential tax obligations. Read the article here.
  • Guinevere Moore was quoted in The Block on July 31, 2019. Guinevere Moore was quoted in The Block regarding the IRS’s heavy involvement of its criminal investigation team in enforcing cryptocurrency taxation. To read the entire article, click here.
  • Guinevere Moore quoted in Bloomberg Tax – January 29, 2019. Guinevere Moore was quoted in Bloomberg Tax regarding the challenges self-represented taxpayers face in the aftermath of the government shutdown. Read the article here.
  • Guinevere Moore quoted in Bloomberg Tax – January 2, 2019. Guinevere Moore was quoted in Bloomberg Tax, where she discussed the difficulty taxpayers face when trying to provide the substantiation the IRS requires. Read the article here.
  • Guinevere Moore interviewed in ABA Journal – December 2018 Guinevere Moore was interviewed in the December 2018 issue of the ABA Journal, where she discussed the “critical steps” innocent spouses should take to protect future income and avoid tax liability. Read the article here.
  • Guinevere Moore quoted in Bloomberg Tax – December 31, 2018. Guinevere Moore was quoted in Bloomberg Tax, where she speculated about the top legal issues that will come into play in 2019, specifically challenges to IRS penalty authority. Read the article here.
  • Guinevere Moore quoted regarding Recoupment of Attorneys’ Fees in Tax Cases. When joint filers fight an IRS determination in court together, they can jointly apply their net worth and net worth limits, doubling the cap on awards of costs or attorney fees to $4 million, according to final regulations issued on February 29. You can view the entire article here.