How Sam Leon Uses Claude Cowork to Prep Tax Returns 5x Faster

Can one accountant really do tax prep five times faster with AI? Blake and David talk with Sam Leon, founder of The Millennial CPA, about how he uses Claude projects to turn client documents into tax workpapers, speed up review, and run a solo firm built around software. They also dig into where AI still falls short, why review remains the bottleneck, and what firms can realistically automate today.


Chapters
  • (00:00) - Autonomous AI Reality Check
  • (00:11) - Show Welcome and Interview Tease
  • (00:55) - Sponsor Spotlight Digits
  • (02:34) - Trump IRS Deal Dismissed
  • (05:20) - California Billionaire Tax Fight
  • (07:35) - New York Pied a Terre Tax
  • (09:29) - Sponsor Spotlight Value Builder System
  • (11:18) - Xero CEO Pay and Stock Sale
  • (16:39) - Verification Tax and AI Jobs
  • (22:06) - Sponsor Spotlight OnPay
  • (23:21) - 1948 IBM Accounting Machine Lesson
  • (29:56) - Sponsor Spotlight Cloud Accountant Staffing
  • (31:07) - Meet Sam Leon Millennial CPA
  • (32:01) - Solo Firm Vision
  • (33:15) - From Big Firms to Millennial CPA
  • (35:42) - Why AI Agents Weren’t Ready
  • (37:19) - Automating Tax Prep Workflow
  • (40:33) - Smart Intake for Better Scoping
  • (43:06) - End to End Return Automation
  • (46:04) - AI Workpapers and Review
  • (49:38) - Claude Setup and Time Savings
  • (58:18) - Tech Spend and Pricing Strategy
  • (01:02:52) - Building TaxWeave Platform
  • (01:06:21) - Wrap Up and CPE Info
 

Show Notes
Judge Smacks Down Trump's IRS Settlement And Orders Sanctions
Instead of Uniting the Left, California's Billionaire Tax Measure Has Split Democratic Allies
NYC lawyers slam pied-a-terre tax as a half-baked money grab
A 1948 IBM computer with no memory at all, fed by punchcards, was still doing the accounting at a Texas filtration company as recently as 2020
Time saved by AI partially canceled out by time spent checking AI
Research Suggests Jobs May be Safer at Companies that Embrace AI
AI Is No Longer Just a Tech Occupation Story: It's Spreading Across Job Titles in the US and Europe
The 2026 Best Accounting Firms for Technology

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Meet Our Guest, Sam Leon, CPA
LinkedIn: https://www.linkedin.com/in/samuelaaronleon/
Website: https://www.millennialcpa.tax/
Website: https://www.taxweave.ai/

Get in Touch
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Transcripts
The full transcript for this episode is available by clicking on the Transcript tab at the top of this page

Creators and Guests

David Leary
Host
David Leary
President and Founder, Sombrero Apps Company
Sam Leon, CPA
Guest
Sam Leon, CPA
Sam Leon, CPA is the founder of The Millennial CPA, a digital tax practice based in Richmond, VA. Sam is also building TaxWeave - a whole-practice intelligence & workflow software that addresses the privacy layer other AI platforms miss.
How Sam Leon Uses Claude Cowork to Prep Tax Returns 5x Faster
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