McGuire Law Firm
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McGuire Law Firm
The McGuire Law Firm, founded by attorney John R. McGuire, provides assistance with IRS Debts & Disputes, Tax Law, Tax Planning, Business Law & Transactions and estate planning. Since joining the Colorado Bar, John has helped his clients with a wide range of issues.

His work involves a variety of business transactions, including the formation and sale of business entities, expansion of business operations overseas, disposition and transfer of business assets and interests, and other ongoing transactions as needed by clients.Additionally, John has helped his clients with their estate planning issues preparing wills and trusts to transfer wealth and assets.
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The McGuire Law Firm, founded by attorney John R. McGuire, provides assistance with IRS Debts & Disputes, Tax Law, Tax Planning, Business Law & Transactions and estate planning. The McGuire Law Firm, provides high level legal services through a thoughtful and collaborative approach. John McGuire has a specialized degree (LL.M.) in taxation and strives to remain abreast of the law to therefore provide the best counsel and legal services.
At The McGuire Law Firm a Denver tax attorney will assist clients in resolving IRS debts, audits and other matters, as well as applying the tax laws to our client's individual and business issues. John McGuire has obtained an additional degree in taxation known as an LL.M. His additional knowledge and education in taxation helps resolve IRS issues and assist clients regarding their business transactions, estate planning and overall tax planning.
The Internal Revenue Code and Treasury Regulations are long and complex. Many of these laws apply to and impact your 1040 individual income tax return and must be taken into account when planning for future individual decisions. In addition to assisting clients with their IRS matters, a tax attorney at The McGuire Law Firm can assist you with your individual tax questions and issues that impact your individual income tax returns.
Upon forming your business you have already made a decision that will impact how your business is taxed and how you as an individual will be taxed. Furthermore, many tax considerations must be made as your business operates and regarding the eventual sale of business interests, your business as a whole and/or the business assets.
In addition to reporting foreign income, over recent years, the requirement to report foreign bank accounts, assets, businesses, and trusts has increased making international tax compliance all the more important and detrimental if not properly reported on tax returns or informational returns.

While many of the reporting requirements may not impact an individual's or business's income tax return, the failure to properly report foreign assets or income comes with steep penalties.An international tax attorney at The McGuire Law Firm can assist you with your international tax reporting requirements and related issues.
Reviews (12)
Brad Wynn
Brad Wynn
Jul 14, 2021
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Positive: Professionalism, Quality, Responsiveness, Value
John is a consummate professional and gives great advice. He has extensive knowledge and is really great to work with. He has assisted me with business acquisitions and leases. I would highly recommend John and his firm.
Ron Golbus
Ron Golbus
Jun 30, 2021
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Positive: Professionalism
McGuire Law Firm handled a very complicated tax resolution for my corporation to my firms complete satisfaction. I would strongly recommend this firm for any and all issues with the IRS.
Jennifer Blocker
Jennifer Blocker
Jan 17, 2021
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Positive: Professionalism, Responsiveness
Going through a divorce involving a small business that we own together. John has been such a great resource and so helpful. He has answered all my questions and provided me with the advice I needed to move forward in this process. I highly recommend him for any of your small business/tax needs.
Gabriel Meraz
Gabriel Meraz
Nov 21, 2020
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John McGuire is by far one of the most professional and knowledgeable tax attorneys I have come across in the past 24 years of being an entrepreneur. He helped us through an IRS audit with the expert guidance that only a truly experienced professional would have. I cannot recommend the McGuire Law Firm high enough. In short, he is awesome!
Mike S.
Mike S.
Oct 08, 2020
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John is by far the top tax lawyer in Colorado. I called around and many of his competitors will scare you into much higher rates, at a time your most vulnerable.
John was different. He is like having both a friend and a professional represent you. He follows up with you and the IRS promptly, and let you know all of your options at an affordable man rate. Truely a godsend. Thank you John
Brooke Sheldon
Brooke Sheldon
Oct 07, 2019
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John McGuire has been an excellent attorney for us, but he has also been a tremendous wealth of information on a variety of business issues. He is learned, thoughtful and insightful. He is committed to getting you to the finish line and meeting your needs on any project, acquisition, legal matter or tax question you may want action or an opinion on. I recommend John if you want a great attorney with a breadth of knowledge.
Lloyd Ward Ii
Lloyd Ward Ii
Nov 20, 2017
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John and the team at McGuire are unbelievably good. The IRS and the State of Louisiana were after me for a total of $325,000 in unpaid payroll taxes for the family business that I was affiliated with years ago. This situation was threatening to tear my marriage and my entire life apart.
When the situation hit me, I contacted a dozen law firms and received a lot of "gloom and doom" talk along with requests for me to visit them and pay for a consultation. John was different - he was on it from the start and had a positive outlook. He was very easy and pleasant to work with always worked around my
Robert Jolly
Robert Jolly
Dec 18, 2016
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John McGuire is an excellent tax attorney. My experience with him has been fantastic. His advice is tempered with expert knowledge of tax law and how the IRS operates along with true concern and effective advocacy for his client's position. He has proactively followed up on matters and consistently kept me informed of the status of pending issues. I am happy and relieved to have John McGuire as my counsel and recommend him to anyone who wants or needs tax help for their business or personal matters.
Jay Sisson
Jay Sisson
Aug 20, 2016
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John McGuire helped us with our major IRS matter, where no one else could within 6 months from beginning. Our other contacts took over 4 years with no progress in settling our issues. Were told by others to "File Chapter 7" , then go to Federal Court and ask the judge to forgive the debt! Our comment to them was "Do not need you anymore" that was our last conversation with these advisors! They were only interested in taking our money.
John accomplished our matter with the IRS within 6 months. From the beginning, John set a plan in motion protecting our family and business. His expertise, education
S. W.
S. W.
Apr 19, 2016
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Very prompt and friendly. Wrote us up a couple contacts, they look great. They did a lot of research and actually cared about what they were doing. Thanks!
Margaret Kelly
Margaret Kelly
Nov 10, 2015
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John McGuire changed my life!! I hired John to be my tax attorney for a tax matter whereby I was held responsible for 941 employment taxes. I spent thousands of dollars with another firm attempting to resolve this matter with no results. For a very reasonable fee, John was able to completely resolve my case in a very reasonable time period. John’s knowledge of IRS issues and procedures was second to none and definitely what I needed. The penalty assessed against me was completely waived. John truly cares about his clients and goes the extra mile to help.
Jasmin E.
Jasmin E.
Sep 25, 2015
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Mr. McGuire is talented, knowledgeable and delivers. His style is clear, informative and always in the best interest of the client. I found John on the internet and without having a referral I didn't know the extent of his talent and the gift of his counsel would be for me as a business owner. Mr. McGuire has been my attorney for tax and business matters for over 6 years. Heavy, layered and without any history of how to mount a legal defense I relied on John's legal expertise and counsel to survive a number of issues that hit me. John has assisted me with business issues from the