FeaturedInvoicing
When does VeriFactu start? Key dates in Spain
When VeriFactu becomes mandatory: the date in force (1 July 2027 for the self-employed, 1 January 2027 for companies), the delay announced to October 2028 and a dated plan.
12 min read
Guides for your work in Spain.
Records, taxes and paperwork, with a clear next step.
Latest.
Choosing an accountant
TaxDown review: what it offers and the alternatives
A look at TaxDown with prices checked in October 2026: the Renta, plans for the self-employed, limits, renewal and a worked annual cost so you can decide with clear criteria.
11 min read
Invoicing
What is VeriFactu and how does it affect your invoices?
What VeriFactu is, how the system works under the hood (record, hash, QR code and submission to the AEAT), what changes on your invoices, who it applies to and which date holds in October 2026, with a worked example.
14 min read
Taxes and income tax
How to file Form 390 in Spain, step by step
A practical guide to filing Form 390 (modelo 390) on the AEAT's online portal: logging in, the steps in the form, box by box with a worked example, the deadline of 1 February 2027, common mistakes and how to correct it.
12 min read
Getting started
Invoicing without being autónomo in Spain: when it's allowed
When you can invoice in Spain in 2026 without registering in the RETA, why you still need to register with Hacienda before you start, what happens with talks and courses, the €3,000 and minimum wage myths, and what it costs to regularise late.
14 min read
Invoicing
Corrective invoice in Spain: when and how to issue one
What a corrective invoice (factura rectificativa) is in Spain, when you must issue one, how to do it by substitution or by differences, the deadlines, worked examples for a self-employed person in 2026 and how it affects Form 303 and VeriFactu.
13 min read
Choosing an accountant
Declarando review: pricing, service and alternatives
What Declarando offers in 2026, what its annual plans cost and who actually files your taxes. Reviews in context, a worked annual cost and alternatives that fit the way you work.
12 min read
Taxes and income tax
How to defer or pay a tax debt to Hacienda in instalments
How to get a Hacienda payment plan in 2026: which debts you can defer (not collected VAT or withholdings), the €50,000 limit without collateral, how many months, 4.0625% interest, the steps on the AEAT portal and a worked example.
13 min read
Invoicing
VeriFactu for the self-employed in Spain: how to comply
What VeriFactu means if you are self-employed in Spain, whether it is mandatory, the legal date in force (1 July 2027) and the expected delay to October 2028 (no rule yet), the free AEAT app, Excel and how to choose software.
13 min read
Getting started
Keeping unemployment benefit while self-employed in Spain
How to keep your unemployment benefit (paro) after registering as self-employed in Spain in 2026: who qualifies, the 15-day deadline, the 270 days of benefit, what happens with your contributions and if you close, and a worked example with figures.
11 min read
Taxes and income tax
How to file Form 303 in Spain, step by step with an example
A practical guide to filing Form 303 (modelo 303) on the AEAT's online portal: logging in with Cl@ve or a certificate, every box with a full worked example, 2026 deadlines, direct debit, common mistakes and how to correct a return.
14 min read
Invoicing
Mandatory e-invoicing in Spain: deadlines for autónomos
B2B e-invoicing in Spain now has an official timetable: 6 October 2027 if your business volume is over €8 million and 6 October 2028 for everyone else. What changes, what does not, and how to get ready.
13 min read
Invoicing
How to invoice as self-employed in Spain, step by step
What a self-employed invoice in Spain must include in 2026, how to work out VAT (IVA) and the 7% or 15% income tax withholding, a worked example in numbers, deadlines for issuing it and what changes with VeriFactu and e-invoicing.
14 min read
Switching to Melso
Missing documents- Registration and tax changes
- Received
- Previous returns
- Received
- Income and expense records
- Received
- Current quarter’s invoices
- Pending
Choosing an accountant · Featured guide
How to switch accountants in Spain without losing your records.
What to gather before switching and how to agree who handles each open item.
Read the guideExplore Melso’s resources.
In Melso · Invoices and receipts
Organise your invoices throughout the quarter.
Share documents and review the records Melso prepares.
See how it worksIn Melso · Tax returns
Prepare your Renta with Melso.
Documents, professional review and your approval before filing.
See how it worksIn Melso · Tax returns
Follow your quarterly taxes.
What we need and how an included return moves forward.
See how it worksIn Melso · Getting started
Prepare a self-employed registration request.
Your activity, details and the steps we confirm with you.
See how it worksIn Melso · Choosing an accountant
Organise your switch to Melso.
Records, open items and an agreed handover.
See how it worksIn Melso · Choosing an accountant
Work with your Melso agent.
Concrete requests you can make using your own records.
See how it worksPrefer to read in Spanish?
The same practical handover checklist, in Spanish.
Want a hand with the work?
Explore our services and tell us what you need.