Best Corporate Tax Software in 2026
Updated
In short: Alphatax is ranked #1 of 27 as of 4 October 2026, ahead of TaxCalc and Tax Series. The lowest first paid tier on this page is TaxCalc at £3.50/mo.
Preparing corporate returns involves more than calculating a liability: filing, review, and accounting processes all matter. Compare accounting integrations, consolidated returns, tax provision support, electronic filing, and jurisdictions covered. Approval workflows and deployment can help you assess how a product may fit existing operations; check free-plan availability and paid-from pricing when considering cost. Alphatax, TaxCalc, and Tax Series offer options to examine against the requirements of your organization’s tax work. Use the listed dimensions to focus on the returns, provisions, and processes you need software to support.
27 corporate tax software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
27ranked
0free plans on this page
£3.50/molowest paid tier
4 Oct 2026last checked
Input list Corporate Tax Software 25 channels on this page · 53 of 200 spec lines stated by the makers
Ch Tool Free planPaid fromJurisdictions coveredElectronic filingConsolidated returnsTax provision supportAccounting integrationsApproval workflows Spec sheet Score
01 Alphatax Free plannot statedPaid fromnot statedJurisdictions coverednot statedElectronic filingYesConsolidated returnsYesTax provision supportYesAccounting integrationsYesApproval workflowsYes 5/8spec lines stated 7.2
02 TaxCalc Free planNoPaid fromnot statedJurisdictions coverednot statedElectronic filingnot statedConsolidated returnsnot statedTax provision supportnot statedAccounting integrationsnot statedApproval workflowsnot stated 1/8spec lines stated 7.1
03 Tax Series Free plannot statedPaid fromnot statedJurisdictions coverednot statedElectronic filingnot statedConsolidated returnsnot statedTax provision supportnot statedAccounting integrationsnot statedApproval workflowsnot stated 0/8spec lines stated 6.9
04 DT Max T2 Free planNoPaid fromnot statedJurisdictions coverednot statedElectronic filingYesConsolidated returnsnot statedTax provision supportnot statedAccounting integrationsYesApproval workflowsYes 4/8spec lines stated 6.8
05 Complete Tax Solutions Free plannot statedPaid fromnot statedJurisdictions coverednot statedElectronic filingYesConsolidated returnsYesTax provision supportYesAccounting integrationsYesApproval workflowsYes 5/8spec lines stated 6.7
06 CSC Corptax Free plannot statedPaid fromnot statedJurisdictions coverednot statedElectronic filingnot statedConsolidated returnsnot statedTax provision supportnot statedAccounting integrationsnot statedApproval workflowsnot stated 0/8spec lines stated 6.7
07 ONESOURCE Certificate Manager Free plannot statedPaid fromnot statedJurisdictions coverednot statedElectronic filingYesConsolidated returnsYesTax provision supportYesAccounting integrationsYesApproval workflowsnot stated 4/8spec lines stated 6.7
08 ProFile T2 Free planNoPaid fromnot statedJurisdictions coverednot statedElectronic filingYesConsolidated returnsYesTax provision supportnot statedAccounting integrationsYesApproval workflowsnot stated 4/8spec lines stated 6.7
09 TaxCycle T2 Free planNoPaid fromnot statedJurisdictions covered3Electronic filingYesConsolidated returnsnot statedTax provision supportnot statedAccounting integrationsYesApproval workflowsnot stated 4/8spec lines stated 6.7
10 CCH Axcess Practice Free plannot statedPaid fromnot statedJurisdictions coverednot statedElectronic filingnot statedConsolidated returnsnot statedTax provision supportnot statedAccounting integrationsnot statedApproval workflowsnot stated 0/8spec lines stated 6.6
11 PowerPlan Tax Provision Free plannot statedPaid fromnot statedJurisdictions coverednot statedElectronic filingnot statedConsolidated returnsnot statedTax provision supportnot statedAccounting integrationsnot statedApproval workflowsnot stated 0/8spec lines stated 6.6
12 Andica CT600 Corporation Tax Software Free planNoPaid fromnot statedJurisdictions coverednot statedElectronic filingYesConsolidated returnsYesTax provision supportnot statedAccounting integrationsnot statedApproval workflowsnot stated 3/8spec lines stated 6.5
13 IRIS Personal Tax Free plannot statedPaid fromnot statedJurisdictions coverednot statedElectronic filingYesConsolidated returnsnot statedTax provision supportnot statedAccounting integrationsYesApproval workflowsYes 3/8spec lines stated 6.5
14 TaxLab Nucleus Free plannot statedPaid fromnot statedJurisdictions coverednot statedElectronic filingnot statedConsolidated returnsnot statedTax provision supportnot statedAccounting integrationsnot statedApproval workflowsnot stated 0/8spec lines stated 6.5
15 TaxTron T2 Free planNoPaid fromnot statedJurisdictions covered2Electronic filingYesConsolidated returnsnot statedTax provision supportnot statedAccounting integrationsYesApproval workflowsnot stated 4/8spec lines stated 6.5
16 Sage 200 Free planYesPaid fromnot statedJurisdictions coverednot statedElectronic filingYesConsolidated returnsnot statedTax provision supportnot statedAccounting integrationsYesApproval workflowsnot stated 3/8spec lines stated 6.4
17 Bloomberg Tax Free plannot statedPaid fromnot statedJurisdictions coverednot statedElectronic filingnot statedConsolidated returnsnot statedTax provision supportnot statedAccounting integrationsnot statedApproval workflowsnot stated 0/8spec lines stated 6.3
18 ONESOURCE Tax Provision Free plannot statedPaid fromnot statedJurisdictions coverednot statedElectronic filingnot statedConsolidated returnsnot statedTax provision supportnot statedAccounting integrationsnot statedApproval workflowsnot stated 0/8spec lines stated 6.3
19 Oracle WebCenter Content Free planNoPaid fromnot statedJurisdictions coverednot statedElectronic filingnot statedConsolidated returnsnot statedTax provision supportnot statedAccounting integrationsnot statedApproval workflowsnot stated 1/8spec lines stated 6.3
20 Sage Corporation Tax Free planYesPaid fromnot statedJurisdictions coverednot statedElectronic filingYesConsolidated returnsnot statedTax provision supportnot statedAccounting integrationsYesApproval workflowsnot stated 3/8spec lines stated 6.0
21 GoSystem Tax RS Free plannot statedPaid fromnot statedJurisdictions coverednot statedElectronic filingYesConsolidated returnsYesTax provision supportnot statedAccounting integrationsYesApproval workflowsnot stated 3/8spec lines stated 5.9
22 ONESOURCE Income Tax Free plannot statedPaid fromnot statedJurisdictions coverednot statedElectronic filingYesConsolidated returnsnot statedTax provision supportYesAccounting integrationsYesApproval workflowsnot stated 3/8spec lines stated 5.7
23 Corporate Taxprep Free plannot statedPaid fromnot statedJurisdictions coverednot statedElectronic filingYesConsolidated returnsnot statedTax provision supportnot statedAccounting integrationsnot statedApproval workflowsnot stated 1/8spec lines stated 5.5
24 Cantax T2 Free planNoPaid fromnot statedJurisdictions coverednot statedElectronic filingYesConsolidated returnsnot statedTax provision supportnot statedAccounting integrationsnot statedApproval workflowsnot stated 2/8spec lines stated 5.4
25 CCH ProSystem fx Tax Free plannot statedPaid fromnot statedJurisdictions coverednot statedElectronic filingnot statedConsolidated returnsnot statedTax provision supportnot statedAccounting integrationsnot statedApproval workflowsnot stated 0/8spec lines stated 5.4
Is your tool on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which corporate tax software is ranked first on Specifiction?
Alphatax is ranked #1 of 27 with a score of 7.2. TaxCalc is second and Tax Series third.
How many of these have a free plan?
0 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, TaxCalc has the lowest first paid tier we found: £3.50/mo.
How is this list ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing. Paid placements never change a rank.
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