Research

The Accounting Technology Market Report 2026: Market Size, Vendors, and Cloud Adoption

By The Ledgerism Editorial Team · The Ledgerism Brief Editorial Team produces original, methodology-disclosed accounting and tax research—data trackers, databases, and reference guides built to be the most-cited source in the field. Every figure is verified against primary sources including FASB, the IRS, the PCAOB, NASBA, the AICPA, and state boards of accountancy.

A data profile of the accounting, ERP, and tax software market compiled from public company financial filings and attributed market-research estimates. Every vendor figure below is drawn from an official investor filing or earnings release and labeled with its exact fiscal year. Market-size totals are attributed to the specific research firm and date that produced them; they are not presented as settled fact.

This report is maintained by The Ledgerism Brief (ledgerism.net). Last updated 2026-06-29.

Executive summary

• Intuit, the largest publicly traded accounting-technology vendor, reported total revenue of $18.831 billion for fiscal 2025 (year ended July 31, 2025), up 16 percent year over year. Source: Intuit fiscal 2025 earnings release, August 21, 2025.
• Xero reported operating revenue of NZ$2.1 billion for FY25 (year ended March 31, 2025), up 23 percent, with 4.41 million total subscribers. Source: Xero FY25 market release, May 15, 2025.
• The Sage Group reported underlying total revenue of £2,513 million for FY25 (year ended September 30, 2025), up 10 percent, with underlying annualised recurring revenue (ARR) of £2,574 million. Source: Sage full-year 2025 results, November 19, 2025.
• Thomson Reuters reported Tax and Accounting Professionals segment revenue of $1,165 million for full-year 2024, up 10 percent organically. Source: Thomson Reuters Q4 and full-year 2024 results, February 6, 2025.
• Gartner estimated the worldwide ERP software market at $66 billion in 2024, up 11.3 percent from $59 billion in 2023. Source: Gartner, Market Share Analysis: ERP Software, Worldwide, 2024.
• Standalone accounting software market-size estimates for 2024 range from roughly $19.0 billion to $20.5 billion depending on the research firm, a spread that reflects differing scope definitions rather than a single agreed figure.
• Cloud and subscription delivery now dominates the segment: Sage reported subscription penetration of 83 percent in FY25, and Intuit’s Online Ecosystem revenue reached $8.3 billion in fiscal 2025, up 20 percent.

Key findings

1. Intuit total revenue reached $18.831 billion in fiscal 2025 (year ended July 31, 2025), up 16 percent year over year. Source: Intuit fiscal 2025 earnings release, August 21, 2025.
2. Intuit’s Global Business Solutions Group, which houses QuickBooks, generated $11.1 billion in fiscal 2025, up 16 percent. Source: Intuit fiscal 2025 earnings release, August 21, 2025.
3. Intuit’s QuickBooks Online Accounting revenue grew 22 percent for full-year fiscal 2025. Source: Intuit fiscal 2025 earnings release, August 21, 2025.
4. Intuit reported approximately 100 million customers worldwide across TurboTax, Credit Karma, QuickBooks, and Mailchimp as of fiscal 2025. Source: Intuit fiscal 2025 earnings release, August 21, 2025.
5. Xero operating revenue was NZ$2.1 billion in FY25 (year ended March 31, 2025), up 23 percent. Source: Xero FY25 market release, May 15, 2025.
6. Xero reported 4.41 million total subscribers in FY25, up 6 percent (net additions of 254,000, a figure reduced by the removal of about 160,000 long-idle subscriptions in the first half). Source: Xero FY25 market release, May 15, 2025.
7. Xero’s annualised monthly recurring revenue (AMRR) was NZ$2.39 billion in FY25, up 22 percent, with average revenue per user (ARPU) of NZ$45.08, up 15 percent. Source: Xero FY25 market release, May 15, 2025.
8. Sage underlying total revenue was £2,513 million in FY25 (year ended September 30, 2025), up 10 percent, with underlying ARR of £2,574 million. Source: Sage full-year 2025 results, November 19, 2025.
9. Sage cloud native revenue grew 23 percent to £885 million in FY25, with cloud-native ARR reaching approximately £1 billion. Source: Sage full-year 2025 results, November 19, 2025.
10. Sage subscription penetration reached 83 percent in FY25, up from 82 percent in FY24. Source: Sage full-year 2025 and 2024 results.
11. Thomson Reuters Tax and Accounting Professionals segment revenue was $1,165 million in full-year 2024, up 10 percent organically, within total company revenue of $7,258 million. Source: Thomson Reuters Q4 and full-year 2024 results, February 6, 2025.
12. Wolters Kluwer reported total revenues of €5.9 billion for full-year 2024, with 6 percent organic growth led by its Tax and Accounting division. Source: Wolters Kluwer 2024 full-year results, February 26, 2025.
13. Gartner estimated the worldwide ERP software market at $66 billion in 2024, up 11.3 percent. Source: Gartner, Market Share Analysis: ERP Software, Worldwide, 2024.
14. Gartner estimated the worldwide enterprise application software market at $394.0 billion in 2024, up 12.8 percent. Source: Gartner, Market Share: Enterprise Application Software, Worldwide, 2024.
15. Standalone accounting software market-size estimates for 2024 cluster near $19 billion to $20.5 billion across Fortune Business Insights, Grand View Research, and Global Insight Services, with no single agreed figure.

Section 1: Market size and scope

1.1 What is being measured

“Accounting technology” spans several overlapping software categories that different research firms count differently:

• Standalone small-business accounting and bookkeeping software (QuickBooks, Xero, Sage 50/Sage Business Cloud, FreshBooks).
• Mid-market and enterprise financial management and ERP software with an accounting core (Sage Intacct, Oracle NetSuite, SAP, Microsoft Dynamics).
• Professional tax and accounting workflow software for firms (Thomson Reuters, Wolters Kluwer, Intuit ProConnect/ProTax).

Because these categories overlap, headline “market size” numbers vary widely. A figure is only meaningful with its scope and source attached. The estimates below are presented as attributed research-firm estimates, not settled facts.

1.2 Attributed market-size estimates

Interpretation: the roughly $19 billion to $21.6 billion range for “standalone accounting software” is an order of magnitude smaller than Gartner’s $66 billion ERP figure and its $394 billion enterprise-application figure. The gap is a scope difference, not a contradiction. Analysts counting only small-business bookkeeping tools produce the smaller number; analysts counting ERP financial suites produce the larger one. Present the specific definition whenever citing any of these.

Limitation: All standalone accounting software totals above are Tier-2 private research-firm estimates. Their underlying methodologies are proprietary and not directly comparable to each other. They should be attributed to the named firm and date, never presented as a single authoritative market size.

1.3 U.S. official-statistics context (data gap flagged)

The U.S. Census Bureau’s Service Annual Survey (SAS) publishes operating-revenue estimates for Software Publishers (NAICS 5112), which is the closest official U.S. sector containing accounting software vendors. The Federal Reserve Bank of St. Louis republishes this series (FRED series REVEF5112ALLEST). A precise dollar value for the 2023 SAS software-publishers estimate could not be verified against a primary Census table during this update and is therefore excluded rather than approximated. Researchers seeking the official U.S. sector figure should pull it directly from the Census SAS data tables (census.gov/programs-surveys/sas/data/tables.html) and cite the exact release. This is a known data gap in this edition.

Section 2: Verified vendor revenue and user figures

All figures in this section come from official company filings or earnings releases. Figures are reported in each company’s own reporting currency (USD, NZD, GBP, EUR) and fiscal calendar, so they are not directly comparable across vendors without currency and period adjustment.

2.1 Intuit (fiscal year ends July 31)

Intuit is the largest publicly traded accounting-technology company by revenue and owns QuickBooks, the dominant U.S. small-business accounting platform.

Sources: Intuit fiscal 2024 earnings release (August 22, 2024) and Intuit 10-K for fiscal 2024 (filed September 4, 2024); Intuit fiscal 2025 earnings release (August 21, 2025) and Intuit 10-K for fiscal 2025 (filed 2025).

Additional verified detail: Intuit reported combined platform revenue (Global Business Solutions Online Ecosystem, TurboTax Online, and Credit Karma) of $14.9 billion in fiscal 2025, up 19 percent. Intuit states it serves approximately 100 million customers worldwide across its product portfolio. Source: Intuit fiscal 2025 earnings release, August 21, 2025.

Note on customer counts: Intuit’s press materials cite approximately 100 million total customers across all products (TurboTax, Credit Karma, QuickBooks, Mailchimp). Intuit does not publish a single clean “QuickBooks Online subscribers worldwide” headline in the earnings release; that granular count should be sourced from the 10-K if a precise subscriber figure is required. Do not equate the 100 million total-customer figure with QuickBooks subscribers.

2.2 Xero (fiscal year ends March 31; reports in NZ$)

Xero is the leading cloud-native small-business accounting platform in Australia, New Zealand, and the United Kingdom.

Sources: Xero FY24 Annual Report and Appendix 4E (ASX release, May 23, 2024); Xero FY25 market release “Xero’s FY25 Delivers 23% Revenue Growth and 44% Rule of 40” (May 15, 2025).

Subscriber caveat: Xero’s FY25 net additions of 254,000 were reduced by the company’s removal of approximately 160,000 long-idle subscriptions in the first half of FY25. Excluding that cleanup, Xero states it would have added roughly 414,000 subscribers. Cite the reported 4.41 million and the adjustment together.

Regional split (FY25): Australia and New Zealand revenue NZ$1.18 billion (up 21%), 2.6 million subscribers, ARPU NZ$41.66; International revenue NZ$925.6 million (up 24%), 1.8 million subscribers, ARPU NZ$49.82. Source: Xero FY25 market release, May 15, 2025.

2.3 The Sage Group (fiscal year ends September 30; reports in GBP)

Sage is the largest UK-headquartered accounting-software vendor, spanning small-business (Sage Business Cloud) and mid-market (Sage Intacct) products.

Sources: Sage full-year 2024 results (November 20, 2024) and Annual Report and Accounts 2024; Sage full-year 2025 results (November 19, 2025).

Additional verified detail (FY25): Sage cloud-native ARR reached approximately £1 billion, growing over 20 percent. Sage Intacct grew ARR by over 20 percent in the US; outside the US, Intacct ARR grew approximately 50 percent, with Sage Intacct now serving over 1,600 customers in the UK. Source: Sage full-year 2025 results, November 19, 2025.

2.4 Thomson Reuters (fiscal year ends December 31; reports in USD)

Thomson Reuters operates a large professional tax-and-accounting software and content business serving firms.

Source: Thomson Reuters, “Thomson Reuters Reports Fourth-Quarter and Full-Year 2024 Results,” February 6, 2025 (also filed as Form 6-K with the SEC).

2.5 Wolters Kluwer (fiscal year ends December 31; reports in EUR)

Wolters Kluwer’s Tax and Accounting division is a major global supplier of professional tax and accounting software and content.

Source: Wolters Kluwer 2024 full-year results, February 26, 2025; Wolters Kluwer 2024 Annual Report (released March 12, 2025).

Data gap: A verified standalone full-year 2024 euro revenue figure for the Tax and Accounting division alone was not confirmed against the primary segment table during this update and is therefore not stated as a single number here. The division-level revenue should be pulled directly from the Wolters Kluwer 2024 Annual Report segment note if an exact figure is required.

Section 3: Cloud adoption and the subscription shift

The clearest structural trend in the verified filings is the migration of accounting software from perpetual-license, on-premise delivery to cloud subscription.

Verified vendor evidence:

• Sage subscription penetration reached 83 percent of revenue in FY25 (ended September 30, 2025), up from 82 percent in FY24. Source: Sage full-year 2025 results, November 19, 2025.
• Sage cloud native revenue grew 23 percent in both FY24 and FY25, reaching £885 million in FY25. Source: Sage full-year 2024 and 2025 results.
• Intuit’s Online Ecosystem revenue reached $8.3 billion in fiscal 2025, up 20 percent, outpacing total-company growth of 16 percent. Source: Intuit fiscal 2025 earnings release, August 21, 2025.
• Xero, a cloud-native vendor, grew AMRR to NZ$2.39 billion in FY25, up 22 percent. Source: Xero FY25 market release, May 15, 2025.

Attributed market-research context (Tier-2, treat as estimates):

• Gartner estimated worldwide SaaS revenue at $218.5 billion in 2024, up 16.7 percent, with ERP accounting for approximately 20.2 percent of SaaS revenue. Source: Gartner, 2024 market-share reports.
• Multiple research firms estimate cloud/SaaS delivery accounts for roughly two-thirds of new accounting-software subscriptions (figures near 68 to 69 percent are cited by Fortune Business Insights and others for 2024-2025). These are private-firm estimates and should be attributed accordingly.

Limitation: The market-research cloud-share percentages come from Tier-2 sources with proprietary methods and should not be presented as official statistics. The vendor filings above are the higher-confidence evidence for the cloud shift.

Section 4: Original synthesis (derived insights)

The following three insights are derived by The Ledgerism Brief from the verified figures above. Each states its formula, inputs, and limitations. These are analytical constructions, not figures reported by any vendor.

Insight 1: Vendor Cloud-Growth Premium (Online Ecosystem vs total revenue)

Formula: (segment cloud/ecosystem growth rate) minus (total company revenue growth rate), for the most recent fiscal year.

Inputs: Intuit fiscal 2025 earnings release; Sage full-year 2025 results; Xero FY25 market release. Insight: Sage shows the widest cloud-growth premium (+13 points), consistent with a legacy vendor whose cloud-native tier is growing far faster than its blended base. Intuit shows a smaller but positive premium (+4 points). Xero, already fully cloud-native, shows essentially no premium because there is no legacy base to transition. Limitation: “cloud” is defined differently by each vendor (Intuit “Online Ecosystem,” Sage “cloud native,” Xero all-cloud), so the premium measures the transition gap, not identical products.

Insight 2: Revenue-per-subscriber comparison (cloud small-business platforms)

Formula: For vendors that disclose both a subscriber count and an ARPU or that allow a clean per-subscriber derivation, compare annualized revenue per subscriber. Only Xero cleanly discloses both a global subscriber count and ARPU, so this insight benchmarks Xero’s disclosed ARPU against a derived Intuit reference.

• Xero FY25 disclosed ARPU: NZ$45.08 per subscriber per month, or approximately NZ$541 per subscriber per year. Source: Xero FY25 market release, May 15, 2025.
• Xero’s international ARPU (NZ$49.82) exceeds its ANZ ARPU (NZ$41.66), meaning Xero earns more per subscriber outside its home markets. Source: Xero FY25 market release, May 15, 2025.

Insight: Xero’s per-subscriber economics are strongest in international markets, the opposite of the common assumption that home markets monetize best. Limitation: Intuit does not publish a directly comparable global QuickBooks subscriber ARPU in its earnings release, so a cross-vendor ARPU table cannot be constructed from primary sources without mixing derived and disclosed figures. This insight is therefore limited to Xero’s own disclosed segmentation, which is fully verifiable.

Insight 3: Scope-gap index for “accounting software market size”

Formula: (largest attributed market estimate) divided by (smallest attributed market estimate) for the same year, to quantify how much headline market-size claims depend on scope choice.

• Largest 2024 estimate cited: Gartner ERP software $66 billion.
• Smallest 2024 estimate cited: Fortune Business Insights standalone accounting software $19.01 billion.
• Scope-gap ratio: $66B / $19.01B is approximately 3.5x.

Insight: A journalist or analyst can pick a defensible “accounting software market size” for 2024 anywhere across a 3.5x range simply by choosing whether to count ERP financial suites. Any single headline number is meaningless without its scope. Inputs: Gartner ERP 2024 report; Fortune Business Insights accounting software report. Limitation: These come from different firms with different methods; the ratio measures definitional spread, not measurement error.

Section 5: Tables

5.1 Major vendor revenue, most recent verified fiscal year

5.2 Cloud/subscription intensity, most recent verified fiscal year

Section 6: Charts to create

1. Vendor revenue by most recent fiscal year (converted to USD). Data: total revenue for Intuit, Thomson Reuters, Wolters Kluwer, Sage, Xero, converted at period-average FX. Source: the vendor releases in Section 2 plus a stated FX source. Insight: scale gap between Intuit and all others. Citation-worthy because it is the clearest single visual of vendor concentration and requires only primary data.

2. The scope-gap chart for “accounting software market size” 2024. Data: the seven attributed estimates in Section 1.2 plotted on one axis, color-coded by scope (standalone vs ERP vs enterprise application). Source: Gartner and the named research firms. Insight: the 3.5x definitional spread. Citation-worthy because it visually debunks single-number market-size claims.

3. Cloud-growth premium bar chart. Data: Insight 1 table (cloud segment growth minus total growth). Source: vendor FY25 releases. Insight: Sage’s legacy-to-cloud transition gap versus Intuit’s smaller gap versus Xero’s zero gap. Citation-worthy as an original derived metric.

4. Xero ARPU by region, FY25. Data: NZ$41.66 (ANZ) vs NZ$49.82 (International) vs NZ$45.08 (blended). Source: Xero FY25 market release. Insight: international monetization exceeds home-market monetization. Citation-worthy because it is counterintuitive and fully primary-sourced.

Section 7: Methodology

Source-selection criteria: Tier-1 sources are public-company annual reports, 10-K filings, SEC 6-K filings, and official earnings releases from Intuit, Xero, Sage, Thomson Reuters, and Wolters Kluwer, plus U.S. Census Bureau official statistics. Tier-2 sources are named market-research firms (Gartner, Fortune Business Insights, Grand View Research, Global Insight Services, Mordor Intelligence) used only for market-size context and always attributed to the firm and report.

Inclusion rules: A vendor figure is included only if it appears in that vendor’s own official filing or release, with the exact fiscal year labeled. A market-size figure is included only if the producing firm and report can be named.

Exclusion rules: Any figure that could not be tied to a named primary or attributed source was excluded. The exact U.S. Census SAS NAICS 5112 dollar value for 2023 was excluded because it could not be verified to a primary Census table during this update. A single standalone euro revenue figure for the Wolters Kluwer Tax and Accounting division was excluded for the same reason.

Handling conflicting numbers: Where market-size estimates conflict, all are shown side by side with their sources rather than blended into one number. Where vendor metrics are reported in different currencies (USD, NZD, GBP, EUR) and fiscal calendars, they are kept in native units and flagged as not directly comparable.

Derived figures: The three insights in Section 4 are labeled as Ledgerism-derived, with formulas and inputs stated. They are not reported by any vendor.

Data limitations: Vendor fiscal years do not align (Intuit ends July 31, Xero March 31, Sage September 30, Thomson Reuters and Wolters Kluwer December 31), so year-over-year comparisons across vendors are approximate. Currency conversion is not applied in this edition. Date of last update: 2026-06-29.

Section 8: Source quality ranking

Tier 1 (primary: public-company filings and official statistics)
– Intuit fiscal 2025 earnings release (August 21, 2025) and Intuit 10-K filings (fiscal 2024 filed September 4, 2024; fiscal 2025).
– Xero FY25 market release (May 15, 2025) and FY24 Annual Report / Appendix 4E (May 23, 2024), lodged with the ASX.
– Sage full-year 2025 results (November 19, 2025), full-year 2024 results (November 20, 2024), and Annual Report and Accounts 2024.
– Thomson Reuters Q4 and full-year 2024 results (February 6, 2025), also filed as Form 6-K with the SEC.
– Wolters Kluwer 2024 full-year results (February 26, 2025) and 2024 Annual Report (March 12, 2025).
– U.S. Census Bureau Service Annual Survey (NAICS 5112) as sector context (specific value flagged as a data gap).

Tier 2 (credible market research and enterprise-market estimates)
– Gartner market-share reports (ERP, enterprise application software, SaaS), 2024.
– Fortune Business Insights, Grand View Research, Global Insight Services, Mordor Intelligence accounting-software market reports.

Tier 3 (reputable trade journalism, used only to locate primary releases)
– FinTech Magazine, Insightful Accountant, CFOtech (used to point to the underlying Xero and Sage filings, not as the figure of record).

Excluded and why
– Aggregator stock/market pages and unnamed “market size by 2032/2035” projections were excluded as sources of record because they either restate primary data without added verification or project beyond the verifiable horizon.
– Any figure lacking a named source was excluded.

Section 9: Citation format (per major statistic)

• Source: Intuit Inc., Fiscal 2025 Fourth-Quarter and Full-Year Results, August 21, 2025.
• Source: Xero Limited, FY25 Market Release (year ended March 31, 2025), May 15, 2025 (ASX: XRO).
• Source: The Sage Group plc, Full-Year 2025 Results (year ended September 30, 2025), November 19, 2025.
• Source: Thomson Reuters Corporation, Fourth-Quarter and Full-Year 2024 Results, February 6, 2025.
• Source: Wolters Kluwer, 2024 Full-Year Results, February 26, 2025.
• Source: Gartner, Market Share Analysis: ERP Software, Worldwide, 2024.

Section 10: Journalist-friendly additions

Most quotable statistics

• Intuit total revenue reached $18.831 billion in fiscal 2025, up 16 percent (Intuit, August 21, 2025).
• Xero passed 4.41 million subscribers and NZ$2.1 billion revenue in FY25, up 23 percent (Xero, May 15, 2025).
• Sage subscription penetration hit 83 percent of revenue in FY25 (Sage, November 19, 2025).
• Gartner put the worldwide ERP software market at $66 billion in 2024, up 11.3 percent (Gartner, 2024).
• Standalone accounting-software market estimates for 2024 span roughly $19 billion to $20.5 billion depending on the firm.

Data limitations

• Vendor figures use four different currencies and four different fiscal-year-end dates; cross-vendor comparisons are approximate.
• Market-size totals are private research-firm estimates with proprietary methods and differ by up to 3.5x based on scope.
• The exact U.S. Census SAS software-publishers value for 2023 and the standalone Wolters Kluwer Tax and Accounting division revenue were not verified to primary tables and are excluded.

Downloadable dataset: recommended fields

vendor, fiscal_year_end, reporting_currency, total_revenue, total_revenue_growth_pct, accounting_or_tax_segment_name, segment_revenue, segment_growth_pct, subscribers, subscriber_growth_pct, arpu, cloud_or_subscription_metric, cloud_metric_value, source_name, source_date, source_url, tier

Press summary (about 150 words)

The accounting-technology market entered 2026 as a large, cloud-dominated, and highly concentrated software segment. Intuit, owner of QuickBooks, reported fiscal 2025 revenue of $18.831 billion, up 16 percent, dwarfing pure-play peers. Xero, the leading cloud-native small-business platform, reached 4.41 million subscribers and NZ$2.1 billion in revenue, up 23 percent. The Sage Group reported £2,513 million in FY25 revenue with subscription penetration of 83 percent, and its cloud-native line grew 23 percent to £885 million. In professional tax and accounting, Thomson Reuters’ Tax and Accounting segment grew 10 percent organically to $1,165 million, and Wolters Kluwer’s Tax and Accounting division led its 6 percent organic growth on €5.9 billion total revenue. Market-size estimates vary sharply by scope: Gartner put worldwide ERP software at $66 billion in 2024, while standalone accounting-software estimates cluster near $19 billion to $20.5 billion. The through-line is the near-complete shift to cloud subscription revenue.

Suggested headlines

1. Intuit’s $18.8 Billion Fiscal 2025 Cements Its Lead Over Every Accounting-Software Rival
2. Xero Crosses 4.4 Million Subscribers as Cloud Accounting Keeps Compounding
3. Why the “Accounting Software Market” Ranges From $19 Billion to $66 Billion, Depending Who You Ask
4. Sage Hits 83 Percent Subscription Revenue as the On-Premise Era Fades
5. The 2026 Accounting-Technology Scoreboard: Every Verified Vendor Number in One Table

FAQs (answered with verified statistics)

1. How big is the accounting software market? Estimates vary by scope: Gartner put worldwide ERP software at $66 billion in 2024, while standalone accounting-software estimates cluster near $19 billion to $20.5 billion for 2024 (multiple research firms).
2. Who is the largest accounting-software vendor? Intuit, with fiscal 2025 revenue of $18.831 billion (Intuit, August 21, 2025).
3. How fast is Intuit growing? Total revenue rose 16 percent in fiscal 2025; QuickBooks Online Accounting revenue grew 22 percent (Intuit, August 21, 2025).
4. How many customers does Intuit have? Approximately 100 million worldwide across QuickBooks, TurboTax, Credit Karma, and Mailchimp (Intuit, fiscal 2025).
5. How many subscribers does Xero have? 4.41 million as of FY25 (March 31, 2025), up 6 percent (Xero, May 15, 2025).
6. What is Xero’s revenue? NZ$2.1 billion in FY25, up 23 percent (Xero, May 15, 2025).
7. How large is Sage? Underlying total revenue of £2,513 million in FY25, up 10 percent, with ARR of £2,574 million (Sage, November 19, 2025).
8. How much of accounting software is now cloud/subscription? Sage reported 83 percent subscription penetration in FY25; Intuit’s Online Ecosystem reached $8.3 billion, up 20 percent (Sage and Intuit filings).
9. How big is the ERP market specifically? Gartner estimated $66 billion worldwide in 2024, up 11.3 percent (Gartner, 2024).
10. How large is the professional tax and accounting software business? Thomson Reuters’ Tax and Accounting Professionals segment was $1,165 million in 2024 (up 10 percent organic); Wolters Kluwer’s Tax and Accounting division led its 6 percent organic growth on €5.9 billion total revenue (company filings).

Section 11: Sources

1. Intuit Inc. Fiscal 2025 Fourth-Quarter and Full-Year Results, August 21, 2025. https://investors.intuit.com/news-events/press-releases/detail/1266/intuit-reports-strong-fourth-quarter-and-full-year-fiscal-2025-results-sets-fiscal-2026-guidance-with-double-digit-revenue-growth-and-continued-operating-margin-expansion
2. Intuit Inc. Form 10-K, fiscal year ended July 31, 2024 (filed September 4, 2024). https://investors.intuit.com/sec-filings/all-sec-filings/content/0000896878-24-000039/intu-20240731.htm
3. Intuit Inc. Form 10-K, fiscal year ended July 31, 2025. https://www.sec.gov/Archives/edgar/data/0000896878/000089687825000035/intu-20250731.htm
4. Intuit Inc. Fiscal 2024 Fourth-Quarter and Full-Year Results, August 22, 2024. https://investors.intuit.com/news-events/press-releases/detail/1202/intuit-reports-strong-fourth-quarter-and-full-year-results-sets-fiscal-2025-guidance-with-double-digit-revenue-and-earnings-growth
5. Xero Limited FY25 Market Release (year ended March 31, 2025), May 15, 2025. https://www.listcorp.com/asx/xro/xero-limited/news/fy25-annual-results-market-release-3189706.html
6. Xero Limited FY24 Annual Report and Appendix 4E, May 23, 2024. https://announcements.asx.com.au/asxpdf/20240523/pdf/063v0hlcpbbn6d.pdf
7. Xero FY25 revenue and subscriber summary, CFOtech NZ. https://cfotech.co.nz/story/xero-reports-nzd-2-1-billion-revenue-23-annual-growth
8. The Sage Group plc Full-Year 2025 Results (year ended September 30, 2025), November 19, 2025. https://www.sage.com/investors/investor-downloads/press-releases/2025/11/full-year-2025-results-19-november-2025/
9. The Sage Group plc Full-Year 2024 Results (year ended September 30, 2024), November 20, 2024. https://www.sage.com/investors/investor-downloads/press-releases/2024/11/full-year-2024-results-20-november-2024/
10. The Sage Group plc Annual Report and Accounts 2024. https://www.sage.com/investors/-/media/files/investors/documents/pdf/annual%20report/sage-annual-report-2024.pdf
11. Thomson Reuters Corporation Fourth-Quarter and Full-Year 2024 Results, February 6, 2025. https://www.thomsonreuters.com/en/press-releases/2025/february/thomson-reuters-reports-fourth-quarter-and-full-year-2024-results
12. Wolters Kluwer 2024 Full-Year Report, February 26, 2025. https://www.wolterskluwer.com/en/news/wolters-kluwer-2024-full-year-report
13. Wolters Kluwer releases 2024 Annual Report, March 12, 2025. https://www.globenewswire.com/news-release/2025/03/12/3041135/0/en/Wolters-Kluwer-releases-2024-Annual-Report.html
14. Gartner, Market Share Analysis: ERP Software, Worldwide, 2024. https://www.gartner.com/en/documents/6654134
15. Gartner, Market Share: Enterprise Application Software, Worldwide, 2024. https://www.gartner.com/en/documents/6548802
16. Fortune Business Insights, Accounting Software Market report. https://www.fortunebusinessinsights.com/industry-reports/accounting-software-market-100107
17. Grand View Research, Accounting Software Market report. https://www.grandviewresearch.com/industry-analysis/accounting-software-market-report
18. Mordor Intelligence, Accounting Software Market report. https://www.mordorintelligence.com/industry-reports/accounting-software-market
19. U.S. Census Bureau, Service Annual Survey (NAICS 5112 Software Publishers), data tables. https://www.census.gov/programs-surveys/sas/data/tables.html
20. Federal Reserve Bank of St. Louis (FRED), Total Revenue for Software Publishers, All Establishments, Employer Firms (series REVEF5112ALLEST). https://fred.stlouisfed.org/series/REVEF5112ALLEST

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