Sovos is a global provider of tax, compliance, and trust solutions and services that enable businesses to navigate an increasingly regulated world with true confidence.
More than 100,000 customers in 100+ countries - including half the Fortune 500 – trust Sovos for their compliance needs. Sovos annually processes more than three billion transactions across 19,000 global tax jurisdictions. Bolstered by a robust partner program more than 400 strong, Sovos brings to bear an unrivaled global network for companies across industries and geographies. Founded in 1979, Sovos has operations across the Americas and Europe, and is owned by Hg and TA Associates.
Learn more

Summ (formerly Crypto Tax Calculator) is a crypto & equities tax platform that simplifies tracking and reporting across all your exchanges, wallets, NFTs, and DeFi activity. Backed by Airtree, Coinbase Ventures, and 20VC, Summ helps investors stay compliant with confidence.
With support for thousands of integrations, Summ imports your complete transaction history and automatically generates audit-ready tax reports aligned with the tax requirements of over 180 countries.
Users can review trades, uncover tax-saving opportunities, and download accountant-ready tax forms, including Form 8949, Form 1040, capital gains summaries, and more.
Summ's portfolio tracker delivers real-time profit and loss insights, estimated tax liabilities, and accurate pricing for more than 300,000 cryptocurrencies and shares.
Rated 4.6/5 on Trustpilot and featuring seamless TurboTax integration, Summ makes crypto & equities tax reporting simple for both casual investors and active traders.
Built for speed, accuracy, and compliance, Summ gives users complete confidence at tax time.
Learn more
Spectrum Cloud for CA
Spectrum Cloud by KDK Software is a comprehensive cloud-based tax compliance platform designed for Chartered Accountants and tax consultants managing multiple clients. The platform offers seamless remote access and multi-user collaboration capabilities alongside secure data management, ensuring convenience and data safety. Spectrum Cloud automates GST compliance processes, including the auto-import of GSTR data, reconciliation of input tax credits (2A/2B), and error-free filing of essential GST returns such as GSTR-1, 3B, 9, and 9C. For Income Tax Returns (ITR), the system supports smart pre-filling of data using PAN, Form 26AS, and AIS and integrates directly with the Income Tax portal for hassle-free filing. TDS management features include preparation and e-filing of forms 24Q and 26Q, PAN validation, and bulk generation of Form 16/16A certificates. The platform also offers deadline tracking, error checks, and secure cloud storage to ensure compliance and reduce risks. Spectrum Cloud streamlines tax workflows, enabling tax professionals to save time and boost efficiency. It is ideal for modern tax practitioners looking to simplify complex compliance tasks under one platform.
Learn more
KDK Spectrum
Spectrum is a combination Zen Income Tax Auditor Edition and Zen e– TDS, Zen Service tax, Zen Document Manager, Zen Report / CMA Zen Form Manager & Zen e– AIR. Computation of income and tax thereon, including set off losses, deductions, clubbing minor's income, rebates, etc. The detailed instructions for the computation of trust, non-residents and foreign companies have been included. Manual and automatic calculation of interest under 234A, 234B, and 234C. Preparation of return forms, viz. ITR 1 to ITR 7 Preparation of trading, P&L accounts, balance sheets, multiple capital accounts, and statement of affairs. MIS reports viz. Assesses register, filed returns list, pending returns list, returns to prepare, refund. Advance tax estimation report, cases list, and assesses with or without PAN. Client-wise backup and restoration facility. Online e-payment of tax Challans via software directly. No need to fill in master information.
Learn more