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Tax Practice Management Software with API (2026) - Page 2

Last updated: April 2026

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32 software options

Transaction Cloud logo
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Tax Compliance, Subscription, and Payment Platform

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Transaction Cloud is a platform for payments, sales tax / VAT /GST compliance (automated collection, filing), subscription management, recurring billing, and fraud protection for SaaS.

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ComplyIQ logo
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Tax Practice Management

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ComplyIQ powered by IGEN is one platform to run tax compliance for excise, sales, and use taxes in heavily regulated industries.

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KoinX logo
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Cloud-based tax practice management tool for investors.

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KoinX is a cloud-based tax practice management solution, which helps small to large businesses calculate and handle crypto taxes. The platform provides various features such as portfolio management, reporting, data import/export, APIs, and investment tracking. It also facilitates third-party integration with various cryptocurrency applications such as Alpaca, BitForex, Coinbase, Fantom, and more.

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Income Tax Planner logo
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Tax planning software with QuickStart templates

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Income Tax Planner is a web-based tax planning software designed to help businesses simplify complex tax planning scenarios, present advantageous strategies to clients, and reduce liabilities whilst maintaining compliance with the latest state and federal tax laws.

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Bright Return logo
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Cloud-based tool to automate accounting practice management.

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Bright Return is a cloud-based accounting practice management solution that helps businesses handle client databases, online billing, digital signatures, and more. The platform provides various features including workflow automation, a client portal, time tracking, help desk, document management, and HRMS. It helps accounting firms streamline client collaboration through a centralized portal where clients can access documents and share information.

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ATOM logo
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Tax practice and office management solution

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ATOM is a practice and office management solution designed for tax practitioners, advocates, and cost accountants. It offers a range of features and modules to streamline and automate various tasks and processes within organizations. ATOM includes a task dashboard for task management, recurring task automation, and approvals for task workflows. It also provides form solutions, digital signature tracking through a DSC register, and client portal access for communication.

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TaxTank logo
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Cloud-based tax practice management solution

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TaxTank is an all-in-one tax and personal finance software designed for individuals to take charge of their finances. With live bank feeds, users can effortlessly track incomes, expenses, properties, shares, and cryptocurrencies in an organized digital hub. This simplifies tax management and enables informed financial decisions without hassle.

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