CalcFi vs Pure Tax Investigations
Side-by-side comparison to help you choose the right AI tool.
CalcFi is a collection of 160+ free financial calculators covering retirement, taxes, mortgages, debt, and investing.

Pure Tax Investigations
Pure Tax Investigations expertly defends businesses against HMRC tax disputes with tailored, fierce, and discreet.
Last updated: February 26, 2026
Visual Comparison
CalcFi

Pure Tax Investigations

Overview
About CalcFi
CalcFi is a comprehensive library of over 160 free financial calculators covering retirement planning, taxes, mortgages, debt payoff, salary comparisons, investing, real estate, and more. Each calculator is built to be fast, accurate, and fully client-side, meaning your data never leaves your browser.
What sets CalcFi apart is its focus on transparency and education. Every tool is paired with a detailed guide, FAQs, and real-world scenarios so users can understand the math behind their financial decisions — not just get a number.
Unlike most finance websites, CalcFi does not rely on ads, email capture, or lead generation. There are no popups, no gated results, and no upsells. The goal is simple: provide clear, unbiased financial tools that anyone can use instantly.
Whether you're planning early retirement, comparing rent vs. buy scenarios, optimizing taxes, or paying down debt, CalcFi helps you see the real numbers and make better decisions with confidence.
About Pure Tax Investigations
Welcome to Pure Tax Investigations, your ultimate ally in the high-stakes arena of tax disputes. We’re not just any tax consultancy; we’re the fearless warriors fighting on behalf of entrepreneurs and businesses ensnared in the complexities of tax investigations. Our mission is clear: to act as a robust buffer between you and HMRC, ensuring that you can navigate the treacherous waters of compliance checks and invasive investigations like the notorious Code of Practice 9 (COP9) and Code of Practice 8 (COP8) with confidence and clarity. With over 20 years of experience led by Amit Puri, a former senior Tax Inspector at HMRC, our team possesses the expertise and insight needed to secure the best outcomes for our clients. We specialize in tax disclosures, including the Worldwide Disclosure Facility (WDF) and the Let Property Campaign (LPC), crafting bespoke solutions that address your unique circumstances. At Pure Tax Investigations, we don’t just preserve wealth; we empower our clients to thrive amidst the complexities of tax affairs, turning potential battles into triumphs.