Top Tax Tech Companies

The global tax tech market will grow from USD 18.53 billion in 2024 to USD 36.72 billion by 2030 at a compounded annual growth rate (CAGR) of 12.1% during the forecast period. Organizations are increasingly adopting tax technology to improve how they manage and document their tax processes. With increasing regulatory demands and greater scrutiny by tax authorities, companies must ensure their records are complete, accurate, and easily accessible. Tax tech solutions provide automated documentation, real-time data tracking, and centralized reporting, which minimize the risk of error and make auditing less stressful. These technologies also increase transparency by providing consistent data to regulators and internal stakeholders. Simplifying compliance and improving visibility, tax technology allows businesses to stay ahead of potential issues, build trust with authorities, and move more efficiently in several jurisdictions, especially in the current intricate and ever-changing tax environment.

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Top Tax Tech Companies include

• Wolters Kluwer (Netherlands)
• H&R Block (US)
• Avalara (US)
• Vertex.inc (US)
• Thomson Reuters (Canada)

Major vendors belong to the North America and European regions, such as Wolters Kluwer (Netherlands), H&R Block (US), Avalara (US), Vertex.inc (US), Thomson Reuters (Canada), SAP (Germany), ADP (US), Sovos (US), Intuit (US) and Xero (New Zealand) among a few leading players operating in the tax tech market. These players can focus on creating new alliances and relationships. Major firms have used various tactics to increase their market domination, including partnerships, contracts, mergers and acquisitions, and introducing new products.

Wolters Kluwer

Wolters Kluwer is a global provider of professional information, software solutions, and services, serving healthcare, tax and accounting, governance, risk and compliance, and legal and regulatory sectors. Wolters Kluwer operates in over 40 countries and serves customers in more than 180. With around 20,000 employees, Wolters Kluwer empowers professionals to make informed decisions through expert solutions, combining deep domain knowledge with advanced technology.

In the tax and accounting space, Wolters Kluwer provides end-to-end digital solutions that streamline compliance, improve productivity, and reduce risk. Wolters Kluwer's CCH® suite, including CCH Axcess and CCH SureTax, offers cloud-based platforms for tax preparation, automation, audit management, and regulatory compliance.  These solutions are selected industries globally as they contain accurate calculation engines, real-time updates, frictionless system integration, and audit-ready reporting. With a strong legacy of trusted data and innovation, Wolters Kluwer continues to evolve as a strategic partner for accounting firms, corporations, and government agencies navigating complex regulatory environments.

In January 2025, Wolters Kluwer integrated its GenAI-powered CCH AnswerConnect into CCH iFirm in Canada, marking a first-of-its-kind enhancement in the region. This integration allowed tax and accounting professionals to access AI-driven research and curated answers within their workflow directly.

In Decemebt 2025, Wolters Kluwer completed its acquisition of Isabel Group's European accountancy portfolio, including CodaBox, ClearFacts, Clearnox, Zoomit, and Flowin. These cloud-based solutions enabled secure data exchange and e-invoicing for over 8,000 accountants and 380,000 SMEs across Europe.

H&R Block

H&R Block provides tax preparation and financial services, has prepared more than 950 million tax returns, and has a worldwide presence. H&R Block's services include every type of product, from online and in-office tax preparation and desktop and smartphone DIY tax preparation and filing to financial products such as refund transfers, prepaid cards, and its mobile banking program, Spruce. H&R Block also provides tax education through its Income Tax Course, supports professionals with business transition strategies, and offers franchise opportunities, reinforcing its strong community and professional network.

H&R Block differs from others in the tax tech market by having a hybrid model that harmoniously mixes expert human guidance with cutting-edge digital capabilities. Its services include AI-assisted software, real-time tax pro assistance through "Ask a Tax Pro," and accuracy-supported services such as "Tax Pro Review." The Block Advisors business unit specifically targets small businesses and self-employed customers with bookkeeping, payroll, and year-round tax planning services. H&R Block is also investing in artificial intelligence, machine learning, and mobile-first solutions to further improve customer experience, while its "Make Every Block Better" platform reflects its dedication to local community influence and financial empowerment.

Avalara

Avalara is a tax automation technology firm headquartered in the United States that offers cloud-based solutions to businesses for managing sales tax, VAT, and other transaction-based taxes. Avalara operates in the Tax Tech sector, integrating with various ERP, e-commerce, and accounting platforms to assure compliance with ever-changing tax legislation across many jurisdictions. Its automated solutions assist organizations in streamlining tax computations, filing, and reporting, saving manual work and mitigating compliance concerns.

Vertex Inc.

Vertex Inc. is a tax technology solutions provider established in the United States that offers businesses automated tools for sales tax, VAT, and other indirect tax compliance. Vertex operates in the Tax Tech industry, providing cloud-based and on-premise software that connects with ERP, e-commerce, and financial systems to streamline tax determination, reporting, and compliance. Its solutions assist organizations in managing complicated tax legislation across various jurisdictions, thereby decreasing errors and increasing tax efficiency.

Thomson Reuters

Thomson Reuters is a Canadian multinational corporation that offers technology-driven solutions to tax, accounting, and legal professionals. In the Tax Tech industry, its main systems, including ONESOURCE and UltraTax CS, provide cloud-based and on-premise software for tax compliance, reporting, and automation. These products assist organizations and tax professionals in navigating complicated tax legislation while assuring accuracy and efficiency in worldwide tax compliance, filing, and risk management.

Market Ranking

The global tax technology market is led by Wolters Kluwer, with its CCH Axcess Tax platforms offering integrated tax compliance, workflow automation, and real-time regulatory updates. In the second position is H&R Block. It stands out with its DIY Tax Software and Block Advisors, offering convenient computer filing and one-on-one tax assistance to individuals and small businesses. Avalara's AvaTax, a strong cloud-based engine for real-time sales tax calculation and platform automation. Vertex, in fourth place, has Vertex O Series, a powerful solution for indirect tax process automation across intricate global transactions. Thomson Reuters is in fifth place with its ONESOURCE Tax suite, facilitating corporate tax compliance, transfer pricing, and global reporting obligations with strong scalability and regulatory compliance.

Related Reports:

Tax Tech Market by Tax Compliance & Reporting (VAT/GST Compliance), Tax Analytics & AI-driven Solutions (Predictive Analytics, AI-powered Tax Audits & Risk Assessment), Tax Workflow & Document Management (Tax Document Automation) - Global Forecast to 2030

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