

New autónomo: when will the first taxes be due?
№ 01 · August 2026 · Spain
Your first quarter without surprises
An issue about moving from intention to a legal, controlled business: decisions before registration, Hacienda, RETA, the calendar, local context and a working system that does not depend on memory or fragmented advice.
New autónomo: when will the first taxes be due?News · August 2026
August 2026: what autónomos need to know now
New VERI*FACTU deadlines, updated AEAT guidance, more than 531,000 foreign autónomos and a Social Security fraud alert.
Editor's letter
Why we started this magazine
Official information exists and remains essential, but it is scattered across forms, manuals, calendars and separate government portals. A new autónomo does not need another glossary. They need a sequence: which decision comes first, what it changes next and which document proves that it was handled correctly.
We created Brimlo Journal to turn requirements and updates into practical scenarios, examples and material worth saving. This first issue follows a real launch: prepare, coordinate Hacienda and Social Security, organise the first quarter and build a system that keeps working when income, customers or rules change.
Inside this issue
№ 01Cover story
Quarter calendar
August briefing
Registration and Social Security
How to become autónomo in Spain: a practical step-by-step guide
From Modelo 036 to RETA: documents, dates, practical decisions and a realistic first-week launch example.
Modelo 036 for autónomos: registration, changes and closure with examples
How to turn a real activity into census obligations, review the form and manage later changes or closure.
Autónomo contributions and RETA in 2026: calculations and examples
Net-return bands, contribution base, the 31.5% rate, regularisation and the €88.64 reduced payment.
Cities for work
Quarter-end checklist
Brimlo Lab
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