Best AI Tax Prep Software for Small Firms (2027 Season)
Last verified 2026-10-15. Ranked on sourced facts: pricing transparency, trial availability, fit for 1–20 person firms, integrations, and practitioner reports. No placement on this list is paid.
For a small firm, the best AI prep tool is one you can try on your own returns before busy season, at a price that beats your manual data-entry cost. That favors tools with published per-return pricing and self-serve trials.
| # | Tool | Price | Best for |
|---|---|---|---|
| 1 |  Juno | Flat per-return rate that drops with volume; reported at around $45/return, falling to the low $30s at high volume | Best overall for small firms |
| 2 |  Avalon Tax | $15/return (Drake, ProConnect); $25/return (CCH Axcess, Lacerte); volume discounts from 100+ returns | Best value per return |
| 3 |  Filed | Quote-based | Best flat-fee option |
| 4 |  GruntWorx CORE | $10/return; bundles $7.00 (25) down to $5.50 (250) per return | Best for forms-only returns |
| 5 |  Black Ore Tax Autopilot | Quote-based | Best for high-volume and K-1-heavy firms |
1. Juno
Best overall for small firmsThe only AI-native prep platform with a self-serve trial (5 free preparations, no card), one per-return price for any complexity, business returns at the same price, and built-in first-pass review and research. Practitioner feedback is mixed on review time, so use the trial on your hardest returns.
Price: Flat per-return rate that drops with volume; reported at around $45/return, falling to the low $30s at high volume · Trial: 1 week, 5 free preparations, no credit card, 25 documents per prep, no tax-software export during trial
2. Avalon Tax
Best value per returnThe lowest published per-return price ($15 on Drake/ProConnect, $25 on CCH Axcess/Lacerte), with no minimums, monthly fees, or setup costs. Recommended on r/taxpros as a step up from scan-and-fill.
Price: $15/return (Drake, ProConnect); $25/return (CCH Axcess, Lacerte); volume discounts from 100+ returns
3. Filed
Best flat-fee optionA flat firm-wide monthly plan with no per-return or per-seat fees suits steady-volume firms. Strong published security (SOC 2 Type II, 7216 workflows). Price is quote-based.
Price: Quote-based · Flat monthly firm-wide plan based on client volume; all users and products included; no per-return, per-seat, or overage fees (vendor-stated)
4. GruntWorx CORE
Best for forms-only returnsAt $5.50–$10 per return, GruntWorx is cheaper than AI prep for clean W-2/1099 returns. It organizes and populates data rather than reasoning about the return.
Price: $10/return; bundles $7.00 (25) down to $5.50 (250) per return
5. Black Ore Tax Autopilot
Best for high-volume and K-1-heavy firmsThe most complete autonomous pipeline, backed by $60M and Top-20 firm adoption. It is quote-only with no trial, so it is better suited to larger firms.
Price: Quote-based, priced per automation type (1040, 1065, K-1); enterprise tier for high-volume firms · Trial: Demo only (no public free trial found)
How we ranked
We weighted published pricing and self-serve trials heavily because small firms cannot run long procurement cycles. We have not run our own accuracy tests. See methodology.
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