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News, guides, and events that drive your business success.
Latest posts
Legalization of Accounting Books in Spain: Deadlines and Penalties
Frequently Asked Questions About the Legalization of Accounting Books in Spain: Who Is Required to Comply, and What Are the Deadlines?
05/01/2026
Year-End Corporate Checklist: Key Points Your Company Cannot Overlook
At Adlanter, we believe that peace of mind in January is built in December. In this post, we analyze the key steps every company should review to close the year smoothly.
04/12/2025
New law changes the size classification of SMEs in Spain: what it means for your business
The new regulation redefines what it means to be an SME and opens the door to simpler, less costly accounting models.
11/11/2025
Inventory of Assets in Inheritances: When and How to Prepare It
In this post, we analyze how to properly prepare an inheritance inventory to protect your assets and avoid conflicts among heirs.
11/11/2025
Being Up to Date with Payments: The New Requirement That Could Delay a Merger or Corporate Spin-off
En este post analizamos este cambio que puede bloquear operaciones societarias y cómo anticiparte para no frenar el crecimiento de tu empresa.
30/10/2025
Inheriting in the Basque Country: What You Need to Know
Succession in the Basque Country is governed by its own legal framework with important particularities. We analyze the key aspects of Basque Civil Law to understand how inheritance is managed in this territory.
09/10/2025
Set up a Company Without Accounting Mistakes: Complete Guide for Entrepreneurs
Learn how to set up a company without accounting mistakes from day one and secure your business's financial success.
02/10/2025
How to Claim Debts from Delinquent Clients under Organic Law 1/2025
In this article, we explain how to adapt to the new legal requirements for claiming unpaid debts and what to do to avoid wasting time or money with delinquent clients.
10/09/2025
Types of Companies in Spain: Which One Should You Choose?
Discover the main types of companies in Spain, their advantages, and which legal structure best fits your business project.
27/08/2025
10 Profitable Business Ideas in Spain for 2026
n this post, we share the 10 most profitable ideas for starting a business in Spain in 2026.
15/07/2025
Shareholders’ Right to Information: Legal Limits, Key Obligations & Best Practices
This article explains what obligations administrators have, what shareholders can request (and when), and how to act to avoid conflicts or legal penalties.
10/07/2025
The New Rental Registration Number Excludes Thousands of Properties
In this post, we explain how the new Rental Registration Number (NRA) affects property owners as of its enforcement on July 1, 2025, and what you need to do to comply with the law.
09/07/2025
Registration of the CNAE in official records before 2027
Companies must register their CNAE code in the administrative records of the national public sector before January 1, 2027. We explain what this obligation involves and how to manage it without mistakes.
30/06/2025
Why Do You Need a Non-Resident NIE in Spain?
Understand what the Spanish non-resident NIE is, when you need it, and how to apply for it step by step with Adlanter. Avoid mistakes and speed up the process.
05/06/2025
Legal outsourcing: Advantages for Your Business
Legal management within companies is evolving. More and more organizations are outsourcing key functions to become more agile, cut costs, and access specialized talent. Here’s how to do it right.
13/05/2025
Sectors with the Highest Growth Potential in Spain (2025–2030)
In this post, we break down the sectors with the highest growth and potential in Spain between 2025 and 2030.
12/05/2025
How Can a Non-Resident Company Obtain a Spanish Tax Identification Number (NIF)?
What is the NIF and why do you need it? We explain the documentation required by the Spanish Tax Agency (AEAT) to obtain it successfully.
09/05/2025
Are You Still an SME? The New Thresholds for Defining Company Size
To mark European SME Day, we’re reviewing the new thresholds for classifying company size—and how these changes impact SMEs and their growth opportunities.
08/05/2025
What a Startup Needs to Succeed in Its First Year
En este post te explicamos los requisitos legales, financieros y estratégicos fundamentales para que tu startup tenga éxito en sus inicios.
07/05/2025
How to Validate a Business Idea Before You Dive into Entrepreneurship
In this post, we explain all the exact steps you need to follow before starting your entrepreneurial journey.
07/05/2025
Rental Registration Number: Mandatory Requirement for Leasing in 2025
In this post, we analyze the rental landscape in Spain and a new crucial element that every landlord must obtain before offering their property on the market: the Rental Registration Number.
25/04/2025
Tax Identification Number Spain: Comprehensive Guide for Foreigners
If you're planning to live, work, or invest in Spain, obtaining a tax identification number in Spain is one of your first legal steps. Whether you're an individual or a company, this number is essential to operate within the Spanish tax system.
23/04/2025
Dissolution of a Company: Key Changes You Need to Know
Learn About the Reform of the Company Dissolution Regime Introduced by Organic Law 1/2025, Modifying Key Aspects of Business Activity.
03/04/2025
The Future of Legal Advisory: Innovation, Flexibility and Efficiency
Discover how outsourcing, technology, and innovation are transforming legal advisory services, making them more efficient and strategic.
25/03/2025
New comprehensive advisory service for startups
Adlanter launches a new comprehensive advisory service for startups.
21/02/2025
Succession plan in an SME or family business: the key to the future
In this post, we explain why a well-structured succession plan ensures your company's stability and future in the face of unexpected changes.
14/02/2025
Differences Between a Non-Resident Company and a Subsidiary in Spain
In this post, we explain the key differences between operating as a non-resident company, subsidiary, or branch in Spain.
05/02/2025
Differences between a representative office and a permanent establishment
Keys to choosing the best option and complying with Spanish regulations
05/02/2025
Dissolution of a company: requirements and legal effects
Legal requirements and key legal effects for the definitive closure of a company.
04/02/2025
Tax obligations for non-resident companies with a NIF in Spain
Tax keys for foreign companies with a NIF in Spain: Essential taxes and obligations
03/02/2025
Practical Guide: How to Calculate the “Legítima” in Spain
If you're about to inherit assets in Spain, understanding the "legítima" (forced heirship share) is essential. Here's how it works—and how to protect your rights.
01/02/2025
Liquidation of a company: regulations, procedures, and legal key points
Discover the process of company liquidation: regulations, procedures, and key legal aspects for its proper execution.
31/01/2025
Starting a business in Alicante: Everything you need to know
Do you know the advantages Alicante offers for starting your business? In this post, we’ll share all the details with you.
17/01/2025
Succession plan for family business
In this post, we tell you all the details about the succession plan for a family business. Did you know them?
15/01/2025
How a comprehensive advisory service drives business growth
Discover in this post the benefits that comprehensive advisory services bring to your business.
15/01/2025
Starting a Business in Bilbao: What You Need to Know
In this post, we discuss the key aspects to consider when starting a business in Bilbao.
13/01/2025
When and Why to Change Advisors? 5 Warning Signs
If you identify with one or more of these signs, it might be time to consider changing your advisor.
09/01/2025
Household Goods in the Inheritance Tax
The Supreme Court Rules that Securities and Shares Must Be Excluded from Household Goods in the Inheritance Tax
09/01/2025
Starting a Business in Málaga: What You Need to Know
In this post, we cover the key aspects to consider when starting a business in Málaga.
09/01/2025
Valencia Abolishes Inheritance and Gift Tax
Draft law approved to implement a 99% reduction on Inheritance and Gift Tax in the region.
06/01/2025
The 10 best cities to start a business in Spain in 2025.
Discover the cities with the best opportunities for entrepreneurs in Spain and how to leverage their advantages to start your business in 2025.
19/12/2024
Updates for Self-Employed Workers in 2025
Are you aware of the key changes that will impact self-employed workers in 2025? Here's a summary of what's coming and how to adapt.
18/12/2024
50 Business Ideas for 2025
Looking for a business idea? Discover over 50 innovative and profitable concepts for 2025! From tech startups to sustainable ventures, find the one that suits you best.
28/11/2024
