Plain-English tax guides, federal compliance articles and free checklists. Pick where you want to start.
Withholding, 401(k)s, self-employment, quarterly taxes and what changed for 2026.
Browse tax topics →Articles on OMB A-123, GAGAS (the Yellow Book) and the Green Book.
Browse articles →Tax document checklist, audit readiness checklist and our capability statement.
See downloads →Short guides, updated for the 2026 tax year.
Why some people get refunds, why others owe, and how to fix your W-4.
How saving for retirement lowers your tax bill now, with 2026 limits.
How freelancers and sole proprietors report income and deduct expenses.
Why independent contractors pay 15.3% and how to soften the blow.
Who needs to pay, the 2026 due dates, and how to avoid penalties.
How your classification changes your taxes, and what to do if it is wrong.
For agencies, grant recipients and federal contractors.
What changed in the 2024 Yellow Book, including the new quality management framework and tighter independence rules, and what it means for your next audit.
Read article → OMB A-123A practical guide to A-123 internal control requirements and how to prepare for an assessment.
Read article → StandardsWhich federal audit standard applies to your organization, and what compliance with each one requires.
Read article →Audit, compliance or tax: talk directly with the owner.