- Montana
What Do Therapists Need to Know About Taxes in Montana?
Montana doesn’t have sales tax, but that doesn’t mean you’re off the hook. Therapists in private practice still need to manage income tax, entity filings, and quarterly payments to stay compliant. This guide breaks down what Montana-based therapists should know in 2026.
Who this guide is for
This guide is for:
- Licensed Montana therapists (LCPCs, LCSWs, LMFTs, psychologists, etc.)
- Solo practitioners, group practice owners, and telehealth providers
- Therapists wanting to optimize their tax structure and keep more of their income
- Clinicians navigating business formation and ongoing compliance
Step 1: Pick the right structure for your practice
Your legal structure affects your taxes, liability, and reporting requirements.
Sole Proprietorship
- No formal filing unless using a trade name
- All profits taxed on your personal return
- No personal liability protection
- Ideal for low-risk, lower-income solo practices
PLLC (Professional LLC)
- Montana allows licensed professionals to form PLLCs
- Offers limited liability protection
- Default tax treatment: pass-through
- Can elect S Corp status later for tax savings
- Register with the Montana Secretary of State
S Corporation
- Helps reduce self-employment tax by splitting income
- Requires W-2 payroll and separate tax filings
- Cost-effective once net income hits ~$75K+
- Still taxed at Montana’s individual income tax rate
Professional Corporation (PC)
- Also permitted in Montana
- Used less often than PLLCs for solo practices
- Can elect S Corp status if desired
Step 2: Know your state tax obligations
State income tax
- Montana has a progressive state income tax with two brackets: 4.7% and 5.65% (2026)
- All pass-through income is subject to personal income tax
- File using Form 2 (Montana individual income tax return)
Annual report
- Required for PLLCs and PCs
- Due by April 15 each year
- File online with the Montana Secretary of State
- $20 filing fee
Business license
- No general statewide business license
- Local jurisdictions may require one (check with your county or city clerk)
Step 3: Pay taxes throughout the year — not just in April
Estimated taxes
- Required if you expect to owe $500+ to Montana or $1,000+ to the IRS
- Due quarterly: April 15, June 15, Sept 15, Jan 15
- Use Form EST-I or pay online through TransAction Portal
Self-employment tax
- 15.3% applies to net income from sole props and default PLLCs
- Can be reduced by electing S Corp and running payroll
Filing requirements
- Sole prop: Schedule C + MT Form 2
- PLLC: Annual report + MT Form 2 + federal return
- S Corp: Federal 1120-S + MT Form CLT-4S (Montana S Corp return) + payroll + annual report
Step 4: Track and claim your deductions
Deductions reduce your taxable income — don’t miss them.
Deductible expenses for therapists
- Rent or home office
- EHR systems and therapy software
- License renewals, CEUs, supervision
- Malpractice and liability insurance
- Marketing and directories
- Office supplies, phone, internet
- Retirement plans (Solo 401k, SEP IRA)
- Health insurance (if self-employed)
Step 5: When it’s time to consider an S Corp
If you’re clearing $75K+ in net income, it’s time to do the math.
- Pay yourself a W-2 salary
- Take remaining profits as distributions
- Avoid self-employment tax on distributions
- Must manage payroll and file MT S Corp return (Form CLT-4S)
Step 6: Common mistakes therapists make
- Forgetting the April 15 annual report
- Missing quarterly estimated payments
- Waiting too long to switch to an S Corp
- Commingling personal and business funds
- Not tracking deductible expenses like CEUs, advertising, or office rent
- Filing late or skipping local business license (where applicable)
Step 7: Our recommendations by income level
Net Income Range Suggested Action
Under $50K Sole prop or PLLC; keep detailed records; pay quarterly taxes
$50K–$100K Consider S Corp; run payroll; use accounting software
Over $100K S Corp strongly recommended; optimize retirement and benefits
Disclaimer: This guide is for informational purposes only and does not constitute legal, tax, or financial advice. While we make every effort to keep the content accurate and up to date, state laws and regulations can change without notice. You should consult a licensed professional in your state before making any decisions based on this information. Leichter Accounting Services is not liable for any errors or omissions, or for any actions taken based on the contents of this guide.
Need help figuring this out?
We help Montana therapists choose the right business structure, stay on top of annual filings, and reduce tax liability with smart planning.
Book a consult or email us at david@leichtercpa.com