Best Professional Tax Software for Accountants in 2026
Ten professional tax preparation suites for accounting and tax firms, priced on each vendor's own page in September 2026, from a pay-per-return entry plan under $400 a year to a quote-only enterprise contract.
Drake Tax is the best professional tax software for most accounting firms in 2026, from $379.99 a year pay-per-return (10 individual returns included) up to $3,295 a year for unlimited individual and business returns on the Multi-User Pro plan. ATX 1040 starts lower at $1,249 a year for unlimited federal individual returns. TaxSlayer Pro Classic undercuts both at $1,395 a year for unlimited 1040s.
Firms filing high volumes of complex or multi-entity returns route to Lacerte or UltraTax CS. Large multi-office CPA firms already on Wolters Kluwer or Thomson Reuters pick CCH Axcess Tax or GoSystem Tax RS, both quote-only.
Key facts10 tools compared: Drake Tax, Lacerte, ProSeries, UltraTax CS, CCH Axcess Tax, TaxAct…
- 10 tools compared: Drake Tax, Lacerte, ProSeries, UltraTax CS, CCH Axcess Tax, TaxAct Professional, ATX, TaxSlayer Pro, GoSystem Tax RS, OLT Pro
- Lacerte (best for: Firms with complex, high-value returns that want Intuit's deepest professional tax engine): Pay-per-return license from $599/yr (promo; regular $813/yr); unlimited and bundle plans quote-only.
- ProSeries (best for: Firms that want Intuit's software without Lacerte's price or its learning curve): Pay-Per-Return from $539/yr; 1040 Essentials $2,605/yr (promo; regular $4,007/yr); Basic 1040 $729/yr.
- UltraTax CS (best for: Firms already on Thomson Reuters CS Professional Suite that need deep multi-state coverage): Quote-only; Thomson Reuters publishes no list price, priced by user count, return volume and states.
Every “best tax software” list a consumer sees is TurboTax, H&R Block and FreeTaxUSA wearing a 2026 headline. None of those file for a preparer with an EFIN and a client list.
Professional tax software means an EFIN-gated desktop or cloud package built to file dozens or thousands of 1040s and business returns a season, with per-preparer or per-return pricing that consumer software never shows.
The ten tools below are the ones an accounting or tax firm actually shortlists: Drake Tax, Lacerte, ProSeries, UltraTax CS, CCH Axcess Tax, TaxAct Professional, ATX, TaxSlayer Pro, GoSystem Tax RS and OLT Pro.
Finpresso data: Toolradar, the software directory we run, tracks 39 tax software tools on its tax software category page as of September 2026.
The tool it ranks first there, efile4Biz, is a 1099/W-2 information-return e-filer built for CPAs and business owners, not one of the 1040/1120 professional tax prep suites built for a preparer's desk that this page covers.
Top Picks
Based on features, real-world fit, and value for money.
Unlimited individual returns for $2,445 a year total, not per seat, with business filing added on the Pro tier at $3,295.
Pay-Per-Return $379.99/yr (10 returns); 1040 Unlimited (Multi-User) $2,445/yr; Pro Unlimited (Multi-User) $3,295/yr.
Firms that want unlimited individual returns for a flat annual price, not per seat
Intuit's high-end tax engine, licensed from $599 a year pay-per-return; unlimited and bundle plans are priced only after a consultation.
Pay-per-return license from $599/yr (promo; regular $813/yr); unlimited and bundle plans quote-only.
Firms with complex, high-value returns that want Intuit's deepest professional tax engine
Intuit's mid-market pick, with unlimited 1040 filing promoted at $2,605 a year against a $4,007 regular price.
Pay-Per-Return from $539/yr; 1040 Essentials $2,605/yr (promo; regular $4,007/yr); Basic 1040 $729/yr.
Firms that want Intuit's software without Lacerte's price or its learning curve
| Tool | Pricing | Best for |
|---|---|---|
| Drake Tax | Pay-Per-Return $379.99/yr (10 returns); 1040 Unlimited (Multi-User) $2,445/yr; Pro Unlimited (Multi-User) $3,295/yr. | Firms that want unlimited individual returns for a flat annual price, not per seat |
| Lacerte | Pay-per-return license from $599/yr (promo; regular $813/yr); unlimited and bundle plans quote-only. | Firms with complex, high-value returns that want Intuit's deepest professional tax engine |
| ProSeries | Pay-Per-Return from $539/yr; 1040 Essentials $2,605/yr (promo; regular $4,007/yr); Basic 1040 $729/yr. | Firms that want Intuit's software without Lacerte's price or its learning curve |
| UltraTax CS | Quote-only; Thomson Reuters publishes no list price, priced by user count, return volume and states. | Firms already on Thomson Reuters CS Professional Suite that need deep multi-state coverage |
| CCH Axcess Tax | Quote-only; Wolters Kluwer publishes no list price, sold as flexible packages after a consultation. | Multi-office CPA firms already running other CCH Axcess cloud products |
| TaxAct Professional | 1040 Bundle $1,175/yr (single) or $1,375/yr (multi); Complete Bundle $2,095 to $2,495/yr; rises Jan 1, 2027. | Firms that want unlimited 1040 and business filing without Drake or Lacerte's price tag |
| ATX | ATX 1040 $1,249/yr; ATX MAX $2,829/yr; Total Tax Office $4,189/yr; Advantage $6,859/yr; Pay-Per-Return $939 (6 returns). | Firms that want the deepest forms library on a Wolters Kluwer product at a published price |
| TaxSlayer Pro | Classic $1,395/yr; Pro Web (cloud) $1,595/yr; Premium $1,695/yr; all three include unlimited 1040 filing. | Small and seasonal preparers who want unlimited 1040 filing at a flat, published annual price |
| GoSystem Tax RS | Quote-only; Thomson Reuters publishes no list price for this enterprise, multi-entity tax platform. | Large, multi-entity firms filing consolidated corporate and complex partnership returns |
| OLT Pro | Check current pricing; OLT Pro's own pricing page lists no dollar figure for any of its three plans. | Small or seasonal preparers comfortable buying without a published price up front |
Pricing read from each vendor's own pricing page, checked Sep 2026. 4 of 10 sell by quote only and publish no price; those entries say so rather than estimating. 1 of 10 publishes prices for some plans and quotes the rest.
Drake Tax
Unlimited individual returns for $2,445 a year total, not per seat, with business filing added on the Pro tier at $3,295.
- Pricing
- Pay-Per-Return $379.99/yr (10 returns); 1040 Unlimited (Multi-User) $2,445/yr; Pro Unlimited (Multi-User) $3,295/yr.
Best for: Firms that want unlimited individual returns for a flat annual price, not per seat
Pros
- 1040 Multi-User covers unlimited individual returns for the whole office at $2,445 a year, not per preparer
- Pay-Per-Return starts at $379.99 a year for 10 returns, the cheapest real entry point on this list
- Drake Tax Online adds a cloud pay-per-return option from $299.99 plus $99 per extra user, no desktop install required
Cons
- The 1040 tier excludes business returns; a firm needing 1065 or 1120 filing moves to the pricier Pro plan
- Multi-user pricing beats single-user by only $150 to $180 a year across tiers, a small discount for adding a seat
Lacerte
Intuit's high-end tax engine, licensed from $599 a year pay-per-return; unlimited and bundle plans are priced only after a consultation.
- Pricing
- Pay-per-return license from $599/yr (promo; regular $813/yr); unlimited and bundle plans quote-only.
Best for: Firms with complex, high-value returns that want Intuit's deepest professional tax engine
Pros
- Pay-per-return license starts at $599 a year, a promotional rate against Intuit's own $813 regular price
- Unlimited client tax advisory reports and digital signatures ship on every plan, not gated to a pricier tier
- Unlimited 1099 and W-2 filing is included on the custom unlimited and bundle plans
Cons
- The real cost for a firm filing more than a handful of returns is a quote, not a published number
- Per-return fees on top of the base license are not published; a firm has to call sales to price a season
ProSeries
Intuit's mid-market pick, with unlimited 1040 filing promoted at $2,605 a year against a $4,007 regular price.
- Pricing
- Pay-Per-Return from $539/yr; 1040 Essentials $2,605/yr (promo; regular $4,007/yr); Basic 1040 $729/yr.
Best for: Firms that want Intuit's software without Lacerte's price or its learning curve
Pros
- Basic 1040 starts at $729 a year with a choice of 20, 50 or unlimited individual returns
- The 1040 Essentials tier is promoted at $2,605 a year, well under its own $4,007 regular price
- Pay-Per-Return starts at $539 a year for firms that do not want an unlimited commitment
Cons
- ProSeries Essentials' promoted $3,641 a year reverts to $5,602 once the current-season discount ends
- Advanced, the tier built for full business return coverage, is call-for-pricing only, not a published number
UltraTax CS
Thomson Reuters' flagship professional suite, priced by consultation on users, return volume and states, with no published figure.
- Pricing
- Quote-only; Thomson Reuters publishes no list price, priced by user count, return volume and states.
Best for: Firms already on Thomson Reuters CS Professional Suite that need deep multi-state coverage
Pros
- Ties directly into the rest of CS Professional Suite (practice management, fixed assets, workpapers) for firms already on it
- Pricing scales by users, returns and states, so a small firm is not paying for enterprise capacity it does not use
- Deep multi-state and entity support is the reason large firms keep paying for it over cheaper desktop tools
Cons
- No published price at all; a firm cannot budget it without a sales conversation first
- Built around the CS Professional Suite ecosystem, so a firm on a different stack gains less from switching
CCH Axcess Tax
Wolters Kluwer's cloud tax platform, sold in flexible packages priced only after a request-a-quote consultation.
- Pricing
- Quote-only; Wolters Kluwer publishes no list price, sold as flexible packages after a consultation.
Best for: Multi-office CPA firms already running other CCH Axcess cloud products
Pros
- Cloud-native, so a multi-office firm gets one shared return database without hosting its own servers
- Ties into the rest of the CCH Axcess suite (Document, Workflow, Practice) that many large firms already run
- Scales from a solo practitioner to a large firm on the same platform, per Wolters Kluwer's own pricing page
Cons
- No published price; every quote goes through a solution consultant, unlike ATX's listed packages from the same parent company
- A firm not already inside the Wolters Kluwer ecosystem gains less from the cross-product integration that justifies the cost
TaxAct Professional
Unlimited 1040 and business filing from $1,175 a year, a current rate that rises to $1,275 on January 1, 2027.
- Pricing
- 1040 Bundle $1,175/yr (single) or $1,375/yr (multi); Complete Bundle $2,095 to $2,495/yr; rises Jan 1, 2027.
Best for: Firms that want unlimited 1040 and business filing without Drake or Lacerte's price tag
Pros
- The 1040 Bundle at $1,175 a year (single user) undercuts Drake Tax's unlimited 1040 tier by over $1,200
- Complete Bundle at $2,095 a year covers unlimited 1040, 1065, 1120, 1120S, 1041 and 990 filing in one price
- 1040 Pay-Per-Return at $169.99 a year plus $29.99 a return is the cheapest professional entry point on this list
Cons
- Every bundle price on this page rises on January 1, 2027, so a firm buying late in the season pays more
- Multi-user access costs $200 more a year than single-user on both the 1040 and Complete bundles
ATX
Over 6,000 federal, state and local forms, priced from a published unlimited-1040 entry tier up to $6,859 for the full Advantage suite.
- Pricing
- ATX 1040 $1,249/yr; ATX MAX $2,829/yr; Total Tax Office $4,189/yr; Advantage $6,859/yr; Pay-Per-Return $939 (6 returns).
Best for: Firms that want the deepest forms library on a Wolters Kluwer product at a published price
Pros
- ATX 1040 at $1,249 a year is a real published price, unlike CCH Axcess Tax from the same parent company
- Over 6,000 forms cover specialty returns (706, 709, 990, 5500) that entry-level competitors skip
- Every tier includes CCH AnswerConnect Master Tax Guide research, not sold as a separate line item
Cons
- ATX 1040 caps at 3 states and excludes business returns, which run pay-per-return on that tier alone
- Advantage's advanced calculations and asset management, its two headline features, cost $819 and $520 as standalone add-ons on cheaper tiers
TaxSlayer Pro
Unlimited 1040 filing on its cheapest tier, with cloud access and a full corporate suite reserved for the two pricier plans.
- Pricing
- Classic $1,395/yr; Pro Web (cloud) $1,595/yr; Premium $1,695/yr; all three include unlimited 1040 filing.
Best for: Small and seasonal preparers who want unlimited 1040 filing at a flat, published annual price
Pros
- Classic at $1,395 a year is the second-cheapest unlimited-1040 professional product on this list, after ATX 1040
- Pro Web at $1,595 a year runs in a browser, useful for a remote or multi-location team
- Premium at $1,695 a year adds e-filing for 706, 709, 990, 1041, 1065, 1120 and 1120-S in one price
Cons
- Corporate return filing needs Premium; Classic's entry price does not cover a single business return
- Client portal and digital signature tools are missing from Classic, so a paperless office needs Pro Web or Premium instead
GoSystem Tax RS
Thomson Reuters' enterprise platform for consolidated corporate and multi-entity returns, priced only through a sales consultation.
- Pricing
- Quote-only; Thomson Reuters publishes no list price for this enterprise, multi-entity tax platform.
Best for: Large, multi-entity firms filing consolidated corporate and complex partnership returns
Pros
- Built for consolidated corporate and multi-entity returns that desktop tools like ATX or TaxSlayer Pro are not designed for
- Runs on Thomson Reuters' server infrastructure rather than a local desktop, useful for a firm without its own IT team
- Handles the complex partnership and international filings large firms need, the reason it survives against cheaper desktop options
Cons
- No published price anywhere; a small or mid-size firm has no way to compare the cost before a sales call
- Overbuilt for a firm mostly filing individual 1040s; the tools above cost far less for that workload
OLT Pro
Unlimited individual and business filing across three plans, but the pricing page itself shows no dollar figure to compare.
- Pricing
- Check current pricing; OLT Pro's own pricing page lists no dollar figure for any of its three plans.
Best for: Small or seasonal preparers comfortable buying without a published price up front
Pros
- OLTPRO Online and OLTPRO Desktop both include unlimited individual and business returns across all 50 states plus DC
- A 25-return tier exists for a small or seasonal preparer who does not need the unlimited plans
- Free e-filing, a taxpayer portal and a mobile app ship on the Online plan without a separate module fee
Cons
- The pricing page names three plans but publishes no dollar amount for any of them, unusual even among quote-only competitors here
- A preparer cannot compare OLT Pro's real cost to Drake Tax or ATX without creating an account or calling sales
What it is
Professional tax software is a desktop or cloud application, sold to a licensed preparer with an EFIN. It prepares and e-files individual (1040) and business (1065, 1120, 1120S, 1041, 990 and more) returns for paying clients.
Pricing usually runs per return, per seat or by an unlimited annual license, instead of a single consumer purchase.
How we compared: ten vendor pricing pages read directly in September 2026, ranked for solo preparers through mid-size firms.
Why it matters
Price a 5-preparer firm filing mostly 1040s for a season and the spread is real money. Drake Tax's unlimited 1040 tier covers the whole office for one flat total, not per seat, and its cheapest unlimited plan already undercuts TaxSlayer Pro Classic's own unlimited-1040 price.
ATX MAX at $2,829 a year adds unlimited business filing that Drake's 1040-only tier does not include.
Pay-per-return tiers flip the math for a small or seasonal practice.
Drake's entry plan covers 10 individual returns for well under $400, then charges per extra return; file 40 returns a season and the unlimited 1040 tier already costs less. TaxAct Professional's 1040 Pay-Per-Return is $169.99 a year plus a per-return fee, the cheapest way into a real professional product for a preparer filing under 20 returns.
Key features to look for
Pricing
Six of these ten vendors publish a straight US-dollar price on their own pricing page, checked in September 2026: Drake Tax, ProSeries (pay-per-return and Basic tiers), TaxAct Professional, ATX and TaxSlayer Pro. Lacerte and ProSeries publish an entry pay-per-return price but move to a custom quote once a firm needs an unlimited or bundle plan.
UltraTax CS, CCH Axcess Tax and GoSystem Tax RS are quote-only outright, and OLT Pro names three plans on its own pricing page without a single dollar figure attached to any of them.
Two current promotions change the Intuit numbers: Lacerte's pay-per-return license and ProSeries 1040 Essentials are both discounted against a published regular price for this season's offer.
TaxAct Professional's bundle prices carry a published increase in the other direction: every 1040 and Complete bundle price rises on January 1, 2027, so the entry points shown here are the current, lower rate.
See our best crypto tax software list if the return in question is a personal crypto filing rather than a firm's client book.
| Plan | Price | Best for |
|---|---|---|
| Drake Tax Pay-Per-Return | $379.99/yr (10 returns) | $49.99 per additional individual return, $74.99 per business return |
| Drake Tax 1040 (Single User) | $2,325/yr | 150 individual returns; business returns billed at $74.99 each |
| Drake Tax 1040 (Multi-User) | $2,445/yr | Unlimited individual returns; business returns billed at $74.99 each |
| Drake Tax Pro 250 (Multi-User) | $2,495/yr | 250 total individual and business returns combined |
| Drake Tax Pro (Multi-User) | $3,295/yr | Unlimited individual and business returns, one office |
| Drake Tax Online | $299.99 base | Cloud pay-per-return; $99 per additional user |
| Lacerte Pay-Per-Return license | $599/yr (promo; regular $813/yr) | Base annual license; per-return fees billed separately, not published |
| Lacerte Custom Bundle or Unlimited | Custom quote | Bundles or unlimited individual and business returns, all states |
| ProSeries Pay-Per-Return | From $539/yr | Annual license fee; returns billed as filed |
| ProSeries Basic 1040 | $729/yr | Choice of 20, 50 or unlimited individual returns |
| ProSeries 1040 Essentials | $2,605/yr (promo; regular $4,007/yr) | Unlimited 1040 and state returns; business returns pay-per-return |
| ProSeries Essentials | $3,641/yr (promo; regular $5,602/yr) | Choice of a 200 or 400 individual and business return bundle |
| ProSeries Advanced | Call for pricing | Unlimited individual and business returns, all states |
| UltraTax CS | Custom quote | Priced by user count, return volume and states of operation |
| CCH Axcess Tax | Custom quote | Flexible cloud packages, priced after a consultation |
| TaxAct 1040 Pay-Per-Return | $169.99/yr | $29.99 per e-filed or printed 1040, $44 per state edition |
| TaxAct 1040 Twenty Bundle | $725/yr | 20 individual returns included; $29.99 per additional return |
| TaxAct 1040 Bundle (single user) | $1,175/yr | Unlimited individual returns; rises to $1,275/yr on Jan 1, 2027 |
| TaxAct 1040 Bundle (multi-user) | $1,375/yr | Unlimited individual returns; rises to $1,475/yr on Jan 1, 2027 |
| TaxAct Business Pay-Per-Return | $279.99/yr | $29.99 per 1040, $49.99 per business return, $49 per state |
| TaxAct Business Forty Bundle | $1,095/yr | 40 total individual and business returns combined |
| TaxAct Complete Bundle (single user) | $2,095/yr | Unlimited individual and business returns; rises to $2,275/yr on Jan 1, 2027 |
| TaxAct Complete Bundle (multi-user) | $2,495/yr | Unlimited individual and business returns; rises to $2,675/yr on Jan 1, 2027 |
| ATX 1040 | $1,249/yr | Unlimited federal individual returns, 3 states; business returns pay-per-return |
| ATX MAX | $2,829/yr | Unlimited individual and business returns, all states, unlimited e-filing |
| ATX Total Tax Office | $4,189/yr | Adds CCH AnswerConnect Federal Scholar tax research |
| ATX Advantage | $6,859/yr | Adds advanced calculations, enhanced asset management and concierge support |
| ATX Pay-Per-Return System | $939 (6 returns included) | Federal and state individual, business and specialty returns |
| TaxSlayer Pro Classic | $1,395/yr | Unlimited 1040 filing; no corporate return module |
| TaxSlayer Pro Web | $1,595/yr | Cloud-based; unlimited 1040, corporate filing call for details |
| TaxSlayer Pro Premium | $1,695/yr | Adds e-filing for forms 706, 709, 990, 1041, 1065, 1120 and 1120-S |
| GoSystem Tax RS | Custom quote | Enterprise, multi-entity consolidated tax platform |
| OLTPRO Online | Check current pricing | Unlimited individual and business returns, cloud-based |
| OLTPRO 25-Return | Check current pricing | 25 created tax returns, individual and business combined |
| OLTPRO Desktop | Check current pricing | Unlimited individual and business returns, local network |
The bottom line
Start with Drake Tax if the firm wants a real published price and unlimited individual returns without per-seat billing, with business filing added on the Pro tier at $3,295 a year.
Choose ATX 1040 or TaxSlayer Pro Classic for the lowest published entry price into unlimited 1040 filing, both under $1,400 a year.
Pick TaxAct Professional when the firm needs unlimited business filing too, at the lowest bundle price on this list before its January 2027 increase, and pick ATX MAX or ATX Advantage for the deepest forms library on a published price.
Lacerte and ProSeries fit a firm already inside Intuit's ecosystem, both starting under $600 a year pay-per-return before either vendor's quote-only unlimited plans take over.
UltraTax CS, CCH Axcess Tax and GoSystem Tax RS are the calls to make once a firm is large enough that a sales consultation, not a price list, is how the software gets bought.
For the firm's day-to-day workflow rather than the tax engine itself, read our best practice management software for accounting firms list. Cite this: Finpresso, "Best Professional Tax Software for Accountants in 2026", September 2026.
Frequently asked questions
What is the best professional tax software for accountants in 2026?
How much does professional tax software cost?
Is there a cheap professional tax software for a solo preparer?
Drake Tax vs Lacerte: which should I get?
Does ATX include business tax returns?
Why do UltraTax CS and CCH Axcess Tax not list a price?
What is the cheapest way to try professional tax software before committing to a full season?
Some offers on this page may be paid placements or contain affiliate links.
Get the Finpresso brief
Free daily newsletter, read in 5 minutes.
Subscribe free