ViDA changes who charges VAT on platform sales, where a seller registers, and how intra-EU invoices reach the tax authority. This is what each change means in practice and what Nordlet already calculates for you.
DAC7 asks a platform for one report a year, but the report needs data about every seller collected throughout the year. Nordlet keeps that data, applies the exclusion rules, and produces the file in the format your tax authority accepts.
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.
Seven failure patterns that recur across ERP projects, the countermeasure for each, and a factual account of which of them an API-first accounting core takes off the table.
A plain list of what sits on an accountant's desk in 2026, from the general ledger to the e-filing portals, and what that means for the system you choose.
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.
A map of VMI, Sodra, customs and the Centre of Registers from a developer's point of view, with the data fields, deadlines and endpoints behind each Lithuanian filing.
One transaction followed through every module of an ERP, with the actual journal entries, and why the general ledger is the record everything else reads.
A plain explanation of the three mechanisms a platform meets in EU VAT, the one case where the platform itself becomes the taxable seller, and how each one is recorded in the books.
A cost model for ERP software in 2026, with the pricing models compared, the costs vendors do not quote, and a worked three-year total for a ten-person company under per-user and metered pricing.
A phase-by-phase answer to how long an ERP project takes, the things that make it longer, and a contrasting timeline for an accounting core you integrate through an API.
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 technical guide to how immutable double-entry ledger APIs work, why marketplaces need them, and what to look for when embedding accounting into your platform.
A practitioner's take on which accounting APIs actually hold up when you're moving money across borders, VAT regimes, and thousands of small transactions per day.