It's September 9, 2026, and the end of the third quarter is fast approaching. For thousands of freelancers and SMEs in Spain, this means one thing: preparing Form 303 and the corresponding VAT payment. Good treasury management not only prevents last-minute stress but also ensures the financial health of your business. Here are some key tips to get your affairs in order before the October 20th deadline.
1. Reconcile Your Accounts Before September 30th
Don't wait for the quarter to end. Review all your issued and received invoices now. Make sure none are missing and that all the data is correct. A mistake on a single invoice can throw off your entire calculation of input and output VAT.
- Output VAT (IVA Repercutido): Add up the VAT from all the invoices you've issued to your clients.
- Input VAT (IVA Soportado): Add up the VAT from all your deductible expense and purchase invoices.
The difference will be the amount to pay or claim back. Doing this in advance gives you time to correct errors or chase up outstanding invoices.
2. Create a "VAT Piggy Bank"
It's a classic tip, but it works. Every time you get paid for an invoice, transfer the VAT portion to a separate bank account. This way, that money isn't part of your daily cash flow, and you won't be tempted to use it for other expenses. When it's time to pay the tax agency (AEAT), the funds will be ready and waiting, preventing a cash flow shock.
3. Anticipate the Impact of VeriFactu on Your Treasury
While the focus is on the current quarter, it's vital to look ahead. The VeriFactu system, which ensures the integrity of invoicing records, is set to change how we manage our tax data. Its implementation will become mandatory on January 1, 2027, for companies and July 1, 2027, for sole traders and micro-enterprises.
Adapting in time is crucial. VeriFactu-compliant software will not only keep you legal but also provide a real-time view of your VAT liability. This constant visibility is the best treasury tool you can have.
If you're still using traditional methods, it's time to plan your migration. Many businesses are already exploring how to import Excel to VeriFactu or transition from their current programs. The key is to find solutions that simplify the process, whether it's to import Factusol to VeriFactu or migrate from other platforms like importing Sage 50 or importing Holded. Modern software should offer a VeriFactu API for smooth ERP VeriFactu integration or a VeriFactu gateway for existing software. To better understand the system, you can check our guide on [What is VeriFactu? Guide for Freelancers in Spain](/en/what-is-verifactu-spain).
4. Plan for the Long Term
Treasury management isn't a quarterly task; it's an ongoing habit. Use technology to automate your income and expense tracking. This will not only prepare you for VAT payments but for all the financial challenges your business will face. Remember that digitalization will be essential with the new [VeriFactu 2027: Deadlines for Freelancers in Spain](/en/verifactu-2027-deadline).
In short, foresight is your greatest asset. Invoicing software like Fakturia.es, already compliant with the Anti-Fraud Law and VeriFactu, helps you automate these processes, giving you the peace of mind and control you need to manage your treasury effectively.