Blogs and updates

State and Local Taxes

PTET Election by State: 2026 Complete Reference Guide

A comprehensive guide to the PTET election, and each state's PTET election status.

AI Tax Software Selection: Expert Vetting Criteria for 2026

What to know about AI software before you hand over your card.

Post-Tax Season Stress: Start Your Recovery Now, Not After the Deadline

Get a jump start on your tax season decompression.

Firm Procedures

Surviving the Last Two Weeks of Tax Season: Expert Tips for a Strong Finish

A few ideas to keep you focused on the finish line - almost there!

The OBBBA Deductions Clients Ask About Most Before April 15

The most common deductions in the One Big Beautiful Bill Act clients ask about.

Firm Procedures

2026's Post-March 16 Debrief and April 15 Tax Deadline Preparation

Before you begin the next sprint into April, take a step back to assess how the March 16th deadline went.

AI & Automation

Why General AI Chatbots Fall Short for Tax Professionals

ChatGPT answers tax questions correctly less than half the time — here's where general AI chatbots break down for tax professionals and what to look for instead.

Marble is building AI agents to transform the tax industry.

Try the preview of our first agent Intelligence. Intelligence is an AI Tax Research assistant designed for citation backed information retrieval, research and memo drafting.