How International Remote Work Affects Your Company’s Taxation
More and more employees are requesting to work from home or from another country. But did you know that this flexibility can have significant tax implications for your company?
31/01/2026
Income Tax Campaign 2025-2026: Key Dates, Who Must File, and What You Need to Know
In this article, we review the key dates, filing methods, who is required to file, and other important aspects you should keep in mind from now.
22/01/2026
2026 Income Tax Table: brackets, rates, and how much you need to withhold
Discover the 2026 income tax brackets, how withholdings work, and what you need to consider based on your personal or family situation.
22/01/2026
Key Tax Forms and Deadlines You Can’t Miss: January 2026
January marks the first major tax push of the year. Know which forms and deadlines are essential to start 2026 fully compliant.
09/01/2026
How to Improve Your Company’s Profitability in 90 Days: Steps That Actually Work
A practical approach to identifying immediate improvement opportunities, optimizing decision-making, and boosting short-term business profitability without losing sight of long-term sustainability.
07/01/2026
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
Tax Agency Delays Verifactu to 2027: What Really Changes for SMEs and the Self-Employed
The obligation to register and submit invoices to the Tax Agency is delayed by one year, but companies and the self-employed must prepare to comply with the Anti-Fraud Law.
15/12/2025
Tax Updates for 2026: Key Points for Companies and Taxpayers
In this post, we summarize the measures already confirmed for 2026 and explain what you can start doing today to avoid surprises.
10/12/2025
5 Reasons Why Your Company Should Digitize Invoicing Today
Discover why your company should digitize invoicing and adapt to the Verifactu system. Comply with the law, increase efficiency, and improve accounting control.
12/11/2025
Year-End Checklist for Your Company’s Tax Planning
At Adlanter, we’ve prepared a complete guide to help you optimize your taxes at the close of the fiscal year.
11/11/2025
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
The Tax Agency opens the door to new personal income tax (IRPF) deductions for mortgage cancellations
A TEAC ruling is changing the interpretation of the main residence deduction: if you sold your home and used the proceeds to pay off your mortgage, you may now be able to recover part of your personal income tax (IRPF).
11/11/2025
The new smart accounting driving businesses in Spain
From the first commercial ledgers of the 15th century to real-time data: this is how accounting has evolved into a strategic tool.
11/11/2025
Form 232: control tax risk and improve your company’s transparency
In this post, we explain what it is and who must submit to the Tax Agency the November declaration that many companies overlook.
11/11/2025
NRIT: How to Recover Overpaid Taxes on Rental Income from Real Estate in Spain
In this article, we analyze how a new court ruling allows non-resident landlords to deduct expenses and claim refunds for the past four years.
29/10/2025
How to Protect Your Company’s Tax Structure Against Regulatory Changes and Tax Audits
In an increasingly dynamic tax environment, companies must not only comply with the law, but also anticipate possible reinterpretations by the Spanish Tax Agency (Hacienda) and design structures that stand the test of time.
28/10/2025
How much do Non-resident pay in taxes if they own property in Spain?
In this article, we clearly and practically explain how you must pay taxes on your Spanish properties if you are a non-resident.
27/10/2025
Webinar | Accounting and Tax Year-End Closing 2025: Key Insights to Face the New Developments in Personal Income Tax (IRPF) and Co ...
Discover the main tax developments for the 2025 fiscal year and get ready for a smooth year-end closing. Join our free webinar on 6 November to learn about all the changes and their practical application.
16/10/2025
3 Common Tax Mistakes Our Labor Advisory Service Also Helps Prevent
Discover how an optimal integrated labor service also protects your company from costly tax penalties.
09/10/2025
Webinar | The Verifactu System: The Obligation That Will Change Business Invoicing in Spain
In this article, we explain what the Verifactu system is, its main obligations and implementation deadlines, and invite you to our free webinar on October 16 to learn more about its impact on business.
02/10/2025
Most Common Accounting Mistakes in SMEs and How to Avoid Them in 2025
Discover the most frequent accounting mistakes in SMEs and learn how to avoid them. Optimize your company's accounting and comply with tax regulations in 2025.
15/09/2025
Deductible Expenses in Your Commercial Premises: How to Optimize Your SME’s Taxation
In this article, we review the requirements set by the tax authorities and the main deductible expenses related to commercial premises, including examples and practical tips for SMEs looking to optimize their taxation.
10/09/2025
Labor and Tax Consulting for Industrial Companies in Bizkaia: Challenges and Solutions
In this post, we analyze the main challenges faced by industrial companies in Bizkaia and how a specialized labor and tax consultancy in Erandio can provide practical solutions.
04/09/2025
Tax updates for companies in the Basque Country in 2025 and 2026
Discover the tax modifications in Álava, Bizkaia, and Gipuzkoa that affect companies in 2025 and 2026.
30/06/2025
Do you get paid by card? The Tax Agency introduces new obligations for companies in 2025
We explain how this new regulation affects your company and what steps you need to take to comply without risks.
18/06/2025
Accounting Consolidation: Obligations, Methods, and Exemptions
This article introduces a key tool to transparently reflect the net worth and financial results of a group of companies.
29/05/2025
Verifactu 2025: Everything You Need to Know About the New Electronic Invoicing System
In this article, we explain what the Verifactu system is, its technical requirements, and how the recent postponement of the obligation to adapt invoicing software affects you.
26/05/2025
Tax Benefits for Small-Sized Companies in Spain
In this article, we analyse the main tax incentives available to small-sized companies, the requirements to apply them properly, and the key strategies to maximise their impact.
14/05/2025
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
What Are the Requirements of the Beckham Law? Save on Taxes When Moving to Spain
This article delves into the special tax regime applicable to individuals relocating to Spanish territory. What requirements and circumstances allow for the application of the well-known "Beckham Law"?
09/05/2025
How to Avoid Penalties from the Spanish Tax Agency in Your 2025 Income Tax Return
In this post, we explain the main recommendations to avoid penalties in the Income Tax Return to be filed in 2025.
14/04/2025
Income Tax Return 2025: Dates, Updates, and Exemptions
Get to know the key dates, requirements, and updates for filing your 2025 Income Tax Return.
03/04/2025
Common Mistakes When Legalizing Accounting Books and How to Avoid Them
In this post, we analyze the most common mistakes when legalizing accounting books and the solutions to avoid penalties and ensure compliance with tax regulations.
01/04/2025
Income Tax Return 2024-2025: Everything You Need to Know
Discover everything taxpayers need to know to file the upcoming 2024 fiscal year income tax return. Here, we explain the key dates, the process to follow, and essential deductions to reduce your tax burden.
27/03/2025
What’s New in the 2025 Income Tax Return in Bizkaia
In this post, we present the key changes and updates to consider for the 2025 Income Tax Return in Bizkaia
18/03/2025
New comprehensive advisory service for startups
Adlanter launches a new comprehensive advisory service for startups.
21/02/2025
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
Financial investment: key strategies to secure and maximize your capital
Discover the types of financial investments, their advantages, and how to optimize returns with effective tax planning.
03/02/2025
Model 720: What it is, who must file it, and how to avoid penalties
Discover how to comply with Model 720, its requirements, deadlines, and penalties for not filing it.
31/01/2025
Key aspects to manage a tax inspection with peace of mind
Do you know all the details of a tax inspection? In this post, we explain the key players and the phases that make up the process.
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
Obligation to Declare Movements of Capital Abroad
Do you carry out financial transactions abroad? If so, you might be required to complete the ETE form.
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
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
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
