Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Sigma Tax Pro pricing

#23 of 30 in Small Business Tax Software

Sigma Tax Pro costs from $495 one-time on its cheapest paid plan; 3 plans in all, as listed on sigmataxpro.com — prices checked 20 Sep 2026.

6.9/10Editor score
Visit Sigma Tax Pro
Sigma Tax Pro6.9 Visit Sigma Tax Pro

Sigma Tax Pro pricing at a glance

Plans Paid No free plan — trial or paid only. Prices checked 20 Sep 2026.
See plans on sigmataxpro.com

Sigma Tax Pro plans & pricing

PlanPriceKey limits
Sigma 1040-TW$495 one-time $495/season
  • Federal and state business income tax returns
  • Old-file conversion
  • Client Write-Up accounting package
  • Automatic software updates
  • Filing-status comparison
  • Built-in Interview Wizard
Sigma 1040-SR$495 one-time $495/season
  • Federal and state business income tax returns
  • Old-file conversion
  • Client Write-Up accounting package
  • Automatic software updates
  • Filing-status comparison
  • Step-by-Step Interview or Forms Method
Sigma 1040-DR$895 one-time $895/season
  • Federal and state business income tax returns
  • Desktop and web-based versions
  • Client Write-Up accounting package
  • E-filing and long-term online storage
  • Multi-office management
  • Support for Forms 1120 and 1065

Prices as published by the vendor on stpnew.sigmataxpro.com, checked 20 Sep 2026; taxes and regional pricing may differ. We do not change a plan's price or its limits — this table is what the vendor's own pricing page said on that date.

What the price includes

  • Built for
    Solo, Small business, Mid-market, Enterprise
  • Integrations
    1 integrations: bank products
  • Free plan
    No
  • Paid from
    $495 one-time
  • Business entity support
    Forms 1120 and 1065; individual 1040 returns

Our full Sigma Tax Pro verdict, fact sheet and score →

Prices checked by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated · How we research and update