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Making tax work trustworthy
What we're building, why open tax rules matter, and how accountants can turn AI from a risky shortcut into a trusted workflow layer.
Brazil's Tax Reform: What Foreign Businesses Need to Know in 2026
A strategic overview of Brazil's most significant consumption-tax transformation in decades — what the CBS, IBS and Selective Tax mean for foreign businesses, and why 2026 is the year to prepare, not wait.
რატომ უნდა აირჩიოთ საქართველო თქვენი ბიზნესისთვის?
ეს სტატია მიმოიხილავს საქართველოს როგორც ბიზნესის დაწყებისა და გაფართოების პლატფორმას არარეზიდენტი მეწარმეებისა და უცხოური კომპანიებისთვის, განსაკუთრებული აქცენტით საგადასახადო შეღავათებზე, სპეციალურ რეჟიმებსა და თავისუფალ ინდუსტრიულ ზონებზე.
Doing Business in the UK in 2026: Tax, Company Formation and Compliance Guide
The United Kingdom remains one of the world's most attractive jurisdictions for international entrepreneurs and investors. This guide explains the practical, tax and compliance issues involved in setting up and running a UK company in 2026 — from incorporation and corporation tax to VAT, payroll, investment incentives and director responsibilities.
Cyprus 2026: Why Global Investors, Entrepreneurs and International Businesses Continue to Choose Cyprus
A strategic perspective on Europe's emerging business and investment hub — why global investors, entrepreneurs and international businesses continue to choose Cyprus after the 2026 tax reform.
The IRS Just Told Every Tax Pro: AI Hallucinates, and You're Liable
The IRS's new guidance on AI in tax practice (Issue 2026-19) is blunt: verify everything AI produces, because Circular 230 holds you responsible when you don't. Here's what it says — and the layer we built to help you meet it.
Doing Business in Indonesia: Accounting, Tax and Compliance Guide for Foreign Investors
A practical overview of the accounting, tax and compliance landscape for foreign investors entering Indonesia — from PT PMA structures and SAK reporting to corporate income tax, VAT, payroll and transfer pricing.
Is That Expense Actually Deductible? Your Card Software Doesn't Know.
A £240 'dinner with client' gets categorized cleanly as Meals & Entertainment. Clean category, wrong tax treatment — in the UK it's not deductible and the VAT is blocked. A correct label is not a correct answer.
The Payroll Withholding Errors Hiding in Plain Sight
Payroll systems get the easy 95% right and quietly fumble the edges — Social Security over-withheld past the wage base, Additional Medicare Tax never withheld at all. Here's a demo that catches both before they hit a W-2.
The Sales-Tax Nexus Trap Every Growing Shopify Store Hits
Your Shopify store has never set foot in Texas. You still owe Texas sales tax. Since Wayfair, you cross an invisible line just by selling enough — and the order flow never warns you.
The Capital Gain That Quietly Costs You 22 Extra Points
You sell a stock you've held for seven months and pencil in the friendly 15% rate. Held a year or less, it's short-term — taxed as ordinary income, up to 37%. Your ledger knows the dates. It doesn't know what they mean for tax.
Yes, Swapping Crypto Is a Taxable Event
The most confident wrong assumption in crypto: 'I didn't cash out to dollars, so I don't owe tax.' Wrong. In the US, trading ETH for SOL is a disposal at fair value — taxable the moment you swap, no cash required.
The $12,000 Bookkeeping Error QuickBooks Won't Flag
A $12,000 server gets coded to Office Supplies and expensed in full. QuickBooks records it perfectly — and never tells you it should have been a capital asset on the balance sheet. Recording where the money went isn't the same as knowing the tax coding is right.
The Tax Gap Medusa Documents — and How to Fill It
A cart shipping to Chicago needs 10.25% combined sales tax. A cart shipping to Portland, Oregon needs 0%. A single flat region rate can't be right for both — and Medusa's own docs say so. Here's how to fill the gap they flag.
The VAT Stripe Tax Quietly Skips
You sell a digital product to a consumer in Paris. Stripe Tax charges €0 VAT. The checkout is clean, the receipt looks right — and you may have just under-collected 20% French VAT. Here's where the gap lives and how to catch it.
Your OCR Read the Invoice Perfectly. The VAT on It Was Wrong.
A document-AI tool can extract an intra-EU invoice flawlessly — supplier, customer, VAT ID, the €1,800 of VAT — and still hand you a number that shouldn't exist. Extraction reads what's on the page. It can't know the page is wrong.
Your Contractor Might Be an Employee — and a Tax Problem
You hire a developer in Germany as a contractor. They work full-time, only for you, on your roadmap. On paper it's an invoice. In substance it's an employee — and that one word drags in back payroll taxes and a taxable presence for your company in Germany.
Why Every Fintech Will Add a Tax Layer
Your users already trust you with their money. The moment they earn it, they owe tax on it — and right now that's someone else's problem. That gap is the next thing platforms compete on.
What a 'Warranted Accountant' Actually Means — and Why Your Tax Layer Needs One
An AI can produce a confident tax number in seconds. The question a tax authority asks is different: who is standing behind it? That's the whole game.
From Transaction to Filed Return: The Three-Layer Model for Embedded Tax
A tax layer isn't one feature — it's three layers that hand off cleanly: in-app intelligence, the engine that reasons over a user's data, and the accountant who stands behind what's filed.
Two-Thirds of AI Tax Answers Are Wrong. Here's Why — and What Actually Fixes It
A Loyola University Chicago study found chatbots answered a simple tax question incorrectly two-thirds of the time. Bloomberg reported it. Accountants weren't surprised. Here's the structural reason why — and the only fix that works.
Using Claude for Australian Tax: What Works, What Doesn't, and the GST Trap
Claude knows Australian tax exists. It doesn't always know the current thresholds, the GST registration limit, or when Div 7A bites. Here's what AI gets right and wrong for Australian taxpayers — and the fix.
Using Claude or ChatGPT for German Tax? Here's Where They Go Wrong
Claude is genuinely useful for German tax questions — until it isn't. Thresholds, Kleinunternehmer rules, and Vorsteuer logic are exactly where it breaks down. Here's how to fix that.
Can You Trust Claude or ChatGPT for UK Tax? Mostly No — Here's the Fix
Claude and ChatGPT are genuinely useful for UK tax work — but they're also silently wrong about the numbers that matter most. Here's what to rely on them for, what to not, and how to fix the data problem.
A Free Alternative to TaxGPT for International Tax
TaxGPT costs $199/month and focuses on the US. If you need AI that handles tax across multiple countries — and you don't want to pay enterprise pricing for it — here's the honest comparison.
How OpenAccountants Works: From Question to Verified Answer
A step-by-step walkthrough of what actually happens when you ask an AI agent a tax question with OpenAccountants connected — from MCP install to sourced, verified answer.
Tax Was Never Written for Machines. So We Rewrote It.
Tax law was written for humans reading paper. Now machines are doing the reading — and they're getting it wrong. Here's why I rebuilt tax knowledge for the age of AI agents.
Is There a Tax API for AI Agents? (And Why an MCP Server Beats One)
Developers keep searching for a 'tax API' to stop their AI agents inventing tax rules. Here's why a plain API isn't quite what you need — and what to use instead.
Can AI Do My Taxes? An Accountant's Honest Answer (2026)
Yes, AI can do a real part of your taxes — but not the way most people are using it. Here's the honest breakdown of what works, what doesn't, and how to do it safely.
How to Find an Accountant Who Works With AI
You're using AI for your taxes but want a qualified human to check the work. Here's how to find an accountant who actually understands AI — instead of one who'll tell you to stop using it.
AI Is Already Doing the World's Taxes. Nobody Checked the Work.
Hundreds of millions of people now ask AI tax questions every month. Almost none of those answers were reviewed by an accountant. That gap is the biggest unaddressed risk in tax right now.
The Best MCP Servers for Accounting and Finance (2026)
If you're building AI agents that touch money, these are the categories of MCP server worth connecting — what each one is for, and how to avoid the one mistake that breaks everything.
The Best AI Tools for Tax in 2026, Compared
There's no single 'best AI tax tool' — there are categories, each good at a different job. Here's how they compare, and the one thing every one of them needs to be safe.
How to Find a Good Accountant: A 2026 Guide
Finding a good accountant is mostly about knowing what to check and what to ignore. Here's the practical 2026 guide — including the credentials that matter and the red flags that don't.
We Gave 5 AI Models the Same Tax Return. Two Got It Wrong.
One taxpayer. One set of facts. Five leading AI models. The answers ranged across thousands of pounds — and the errors were the kind a tax authority charges penalties for. Here's exactly what happened.
How to Give Claude, ChatGPT, or Cursor Accurate Tax Data
Your AI assistant guesses tax rules from stale training data. Here's how to connect it to verified, current tax rules instead — whether you use Claude, ChatGPT, or Cursor.
Questions to Ask Before Hiring an Accountant
The right questions in a first conversation tell you almost everything. Here's the checklist an accountant would use to vet another accountant — credentials, fees, fit, and the AI question.
AI Accounting: What It Is and What It Isn't
"AI accounting" gets used to mean five different things. Here's a clear definition from an accountant — what it actually covers, what it can't do, and where it's heading.
How to Tell If an AI's Tax Answer Is Safe to File
AI will happily give you a tax number. It won't tell you whether you can trust it. Here's the accountant's checklist for deciding if an AI tax answer is safe to act on.
Do I Still Need an Accountant If I Use AI?
An honest answer from an accountant: when AI is genuinely enough, when you still need a human, and how the two work best together.
How to Build an AI Tax Agent That Cites Its Sources
An AI tax agent that can't show its working is a liability. Here's how to build one that grounds every number in a verified rule and knows when to escalate to a human.
How to Get Your Taxes Done With an AI Agent — and Check It's Right
AI agents can do a real share of your tax work — if you set them up correctly and verify the result. Here's the step-by-step, whichever assistant you use.
What Happens When Tax Rules Become Open and Machine-Readable
For centuries tax knowledge lived in people's heads and locked filing cabinets. Once it becomes open and machine-readable, the whole shape of the profession changes. Here's where I think it goes.
AI Is Getting Your Taxes Wrong — And Accountants Need to Step In Now
People are already using AI to do their taxes. The problem? Many of those answers are wrong. Here's what accountants can do about it.
We Built an MCP Server So AI Agents Stop Hallucinating Tax Rules
AI models hallucinate tax rates, filing deadlines, and deductions. We built an MCP server that gives agents verified tax rules instead.
Your Clients Are Already Using AI for Tax. You Should Be Worried.
Three AI models, three different tax answers, two wrong. Your clients are filing based on these. Here's what the profession needs to do.
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