How to Open a Business in Leganes (2026)
Cost
Free
Tax registration and Social Security: free. Business license fee varies according to the municipality and type of activity (from 100 € to several thousand).
Time at office
2-4 hours (basic procedures)
Estimated time
1-4 weeks for harmless activities; months for activities with environmental impact
Quick summary
Guide for opening a business or commercial establishment in Leganes. Business license, tax registration and municipal procedures. Updated step-by-step guide for 2026.
Required documents
-
Valid DNI or NIE
For the business owner or founding partners.
-
Tax registration (models 036 or 037)
Notification of commencement of activity to AEAT.
- ?
RET registration (if self-employed) Optional
Inscription in the Special Self-Employment Social Security Regime.
⚠️ For individual entrepreneurs -
Business license or responsible declaration
Municipal authorization to conduct the activity at the premises.
-
Lease agreement or property deed for business premises
Proof of use of the premises where the activity is carried out.
: 2026
Step by step
- 1
Choose Business Structure and IAE Category
Go to official siteDecide between self-employment as a physical person or a company (LLC, SA). The IAE category determines the specific taxes and requirements for your business.
!Expert tip
"For starting out alone, the simplest and most economical option is self-employment. An LLC offers more asset protection but involves more administration."
- 2
Tax Registration — Model 036 or 037
Go to official siteNotify commencement of activity to AEAT with model 036 (full form) or 037 (simplified for self-employed without intra-community operations). You can do this online via the AEAT portal.
!Expert tip
"Tax registration must be done before or on the day of starting your business. It is free."
- 3
RET Registration (if self-employed)
Go to official siteWithin 30 days after tax registration, complete RET registration via the Social Security Electronic Portal.
!Expert tip
"The minimum self-employed contribution rate in 2026 starts at 225 €/month for low-income (net income) systems. If you expect to earn little, declare lower real incomes and pay less."
- 4
Apply for Business License with the City Hall
Submit a business license or responsible declaration application at the Leganes City Hall according to your type of business. Harmless activities (offices, minor retail trade) are often processed immediately upon a responsible declaration.
!Expert tip
"Consult first with the city hall whether prior licensing is required or a responsible declaration will suffice — this can save you weeks of waiting."
Offices and service points - Leganes
City Hall of Leganes - Urbanism / Licenses Area
Check exact address on the City Hall of Leganes website
Frequently asked questions
What is CIRCE and what does it do?
Do I need an opening license to open a business?
How much does it cost to become self-employed?
Official sources and useful links
- CIRCE — Center for Information and Network of Company Creation
- AEAT — Registration in the census of entrepreneurs
- Social Security — RET registration
This guide is for informational purposes only. Always check the official source for current information.