Published estimates run from three weeks to twelve months per accounting system, and the work does not carry over from one vendor to the next. Here are the figures, their sources, and the alternative.
A plain definition of ERP, the modules it bundles, named examples by company size, and the signs that you need a full suite or only an API-first finance core.
Every step of IFRS 15 for a SaaS contract, shown as journal entries with real numbers, and the API calls that produce them automatically.
A plain definition of SaaS ERP, a side-by-side comparison with on-premise and hosted ERP, and the API-first subcategory that platforms build on.
A plain explanation of what makes subscription accounting different, the rules that govern it, the metrics that sit next to the books, and what a ledger has to do to keep up.
The four kinds of free accounting software, what each one really includes, and the point at which free stops being the cheapest option.
A cost model for ERP software in 2026, with the pricing models compared, the costs vendors do not quote, and a worked three-year total for a ten-person company under per-user and metered pricing.
The deferred revenue balance explained case by case, with the debits and credits for each event in a subscription's life and the roll-forward that proves the number.
There is no single best product. There is a best product for your country, your VAT position, your bookkeeper and your transaction source, and this guide shows how to find it.
The five pricing models vendors use, the add-ons that are rarely in the headline price, and how to estimate your own monthly bill before you sign up.
A plain-English definition of the accounting API, what separates it from a tax API or a payments API, and what to check before you build against one.
Why platform teams outgrow QuickBooks, what "API, not an app" actually requires, and which alternatives fit which job.
A comparison for platform teams, based on Xero's published API limits and pricing pages and on what Nordlet actually ships.
A comparison for developers deciding between an embedded accounting API and an open-source ERP suite, based on each product's own documentation.
A buyer's guide for platforms and marketplaces that need real books, per-country VAT logic, and audit-ready records inside their own product.
Seven options a platform team actually considers, sorted by what each one is for, with the limits and pricing models that decide the choice.
A guide to what accounting SaaS actually is in 2026, how the three product shapes differ, and how to pick the one that matches how your business creates transactions.
A practitioner's guide to building a multi-tenant accounting integration that survives OAuth, webhooks, tax rules, and reconciliation without corrupting the ledger.
A practical comparison of multi-company cloud accounting tools for EEA startups, and where API-first infrastructure like Nordlet fits in.
A grounded comparison for developers and product teams deciding between an embedded accounting API and a mid-market finance system.