About Kate

Kate Mathieu is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law.Kate, who practices law in Washington, District of Columbia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kate is held by other top lawyers in the same geographic and legal practice area.

Kate Mathieu is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law.Kate, who practices law in Washington, District of Columbia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kate is held by other top lawyers in the same geographic and legal practice area.

Kate Mathieu is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law.

Kate, who practices law in Washington, District of Columbia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kate is held by other top lawyers in the same geographic and legal practice area.

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Reviews

4.5 / 5

38 Reviews

1,026 Profile Views

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Gwendolyn Schaefer

Feb 02, 2026

Finding Kate Mathieu was the best thing that happened during my tough Tax Law battle

After my incident in Washington, I was bombarded with calls and paperwork I didn't understand. I reached out to Kate Mathieu for help with my Tax Law claim and it was the best decision I could have ma...

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Howard Crona-Sporer

Feb 02, 2026

A huge weight off my shoulders thanks to the amazing work of Kate Mathieu

I wasn't sure who to call for my Tax Law problem, but I'm so glad I went with Kate Mathieu. They really listened to me and understood my situation. It was such a relief to have someone so knowledgeabl...

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Doug Hilpert

Feb 02, 2026

Outstanding experience with Kate Mathieu in Washington - truly the best legal team

Honestly, I can't thank Kate Mathieu enough for everything they've done for me. They really know their stuff when it comes to Tax Law and it shows in the results. 10/10 would recommend to anyone in ne...

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Warren Hoeger

Feb 02, 2026

Simply amazing representation from Kate Mathieu's office during my recent legal matter

I didn't think I'd find such a good lawyer in District of Columbia, but here we are and I am thoroughly impressed. Kate Mathieu is just awesome and exceeded all my expectations. No complaints at all!...

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Todd Altenwerth

Feb 02, 2026

The absolute best in Washington for Tax Law - and I mean that from the bottom of my heart

If you're looking for someone who actually cares and will fight for you, go to Kate Mathieu. They helped me out big time with my Tax Law issue and kept me informed at every step of the process. Their...