Can WhatsApp Messages Be Used as Evidence in a Disciplinary Dismissal? Key Insights for HR
What HR departments need to know about the legal validity of WhatsApp conversations in labor disputes.
07/04/2026
How Mandatory Electronic Invoicing Will Change Your Company’s Operations
In this post, we analyze the key aspects of the new mandatory electronic invoicing system, what it means for companies, and how to prepare for its gradual implementation.
01/04/2026
Why the Tax Authorities May Deny VAT Deductions in Transactions Between Related Companies
The Spanish Tax Agency (AEAT) has analyzed a leasing structure that allowed VAT to be improperly deducted. We explain what happened and how to avoid this risk in your company.
01/04/2026
Most important tax obligations for April 2026
April 2026 tax calendar: all obligations that freelancers and companies must file this month, explained clearly and simply.
01/04/2026
Limit of the deduction for international double taxation in the Personal Income Tax (IRPF)
Key points to understand how the limit of the deduction for international double taxation is calculated and how it affects your foreign income.
31/03/2026
What does Article 42.2.a) of the LGT really imply?
How to understand the liability under Article 42.2.a) of the LGT and protect your company with solid and personalized tax advice.
31/03/2026
HappyIndex® At Work: Why Our 2025 Seal Benefits Both Clients and Talent
Discover How Our Satisfaction and Engagement Seal Drives Service Quality and Team Well-Being.
30/03/2026
ISO/IEC 27001 at Adlanter: Certified Since 2024 to Protect Your Information
Protecting Your Data with the Most Recognized International Standard in Information Management
30/03/2026
The 5 most common mistakes when creating a startup
Avoid the most common mistakes when launching your startup. We’ll show you how to prevent them and build a solid foundation to scale without complications.
23/03/2026
Most Common Income Tax Filing Mistakes and How to Avoid Them
Avoid common mistakes, optimize your deductions, and file your income tax return with peace of mind and confidence.
20/03/2026
2025–2026 Income Tax Campaign: key dates, who must file, and what you need to keep in mind
In this article, we go over the key dates, filing methods, who is required to file, and other aspects you should keep in mind from now on.
19/03/2026
Bizkaia Income Tax Return: What’s New for 2025–2026
Discover the tax changes, deductions, and key dates that will affect the Income Tax Return in Bizkaia this year.
13/03/2026
2025 Income Tax Updates: Key Changes for the 2026 Filing Season
In this article, we analyse the main updates for the 2025–2026 income tax campaign and what implications they may have for taxpayers.
13/03/2026
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.
10/03/2026
Mistakes Companies Make When Managing Paternity Leave (and How to Avoid Them)
Discover the most common mistakes companies make when managing paternity leave in Spain and learn labor compliance best practices to avoid sanctions and conflicts.
08/03/2026
Non‑Resident NIE in Spain: Complete Guide 2026
Discover what the non‑resident NIE is, when you need it, and how to apply for it step by step with Adlanter. Avoid mistakes and speed up your procedure.
03/03/2026
ISAE 3402: the assurance report that validates the security and effectiveness of our HR outsourcing
We’re audited in accordance with ISAE 3402. See how our Type I/II report reduces risk, speeds up audits, and builds confidence in your HR processes.
01/03/2026
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.
28/02/2026
Common payroll management mistakes that can be costly for your company
Payroll is a critical legal obligation: we examine the most common mistakes, their consequences, and how to manage it with legal certainty.
23/02/2026
Upskilling and reskilling: the silent challenge facing SMEs in the age of automation
In this post, we explore how upskilling and reskilling can help SMEs adapt to automation, keep their teams prepared, and turn technological change into an opportunity for growth.
23/02/2026
What is a representative office and what is its purpose?
In this post, we specifically address the concept of a representative office, a viable option for conducting business in Spain.
17/02/2026
Assessment Center: a key tool to evaluate talent with greater accuracy
How to assess skills, behaviors, and potential beyond the résumé to make better talent selection and development decisions.
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
Labour Checklist for Companies in 2026: Key Obligations and Next Steps
In this post, we analyse everything your company should review at the start of the year to comply with labour regulations, optimise management, and avoid issues.
16/01/2026
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
Transform Your Recruitment Process: Candidate Experience as a Competitive Advantage
Discover in this post how to design recruitment processes focused on candidate experience and turn them into a strategic asset for your company.
23/12/2025
Suspension of the Green Card Lottery: What It Means for Companies and International Professionals
We analyse what has really changed, the risks involved, and which alternatives remain in force to access permanent residence in the U.S.
23/12/2025
Work Permits Companies Can Apply for Without Complication
In this post, we explain which authorizations allow companies to hire foreign talent efficiently and without unnecessarily complex procedures.
22/12/2025
How can your HR team retain talent?
Retaining talent goes beyond offering a good salary: effective HR strategies drive motivation and build strong, solid teams.
17/12/2025
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
Labor Updates That Will Shape 2026
We’ll cover the main labor and Social Security updates that will impact companies, self-employed workers, and employees in 2026, and how to prepare to comply with the regulations.
15/12/2025
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
2026 Work Calendar in Spain: Holidays and Long Weekends to Plan Your Year
In this post, explore the national and regional holidays for 2026 and discover the long weekends that will make your workforce planning easier.
25/11/2025
Intern Statute: everything that is changing in training internships in Spain
In this post, we explain everything you need to know about the Draft Internship Statute: who it affects, what rights it guarantees, and what obligations companies must meet.
17/11/2025
2025 Year-End Checklist for Your Company’s Labor Planning
Optimize your 2025 year-end closing and plan for 2026 without surprises: review payroll, social security contributions, and adapt to the new regulations.
12/11/2025
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
The mandatory internal whistleblowing channel for companies
Law 2/2023 has changed how companies must manage internal communications related to regulatory breaches and irregular conduct.
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
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
Suspension of Employment and Pay in Spain: Practical Guide for Companies
This post explains the main characteristics of employment and pay suspension in Spain.
27/10/2025
The True Cost of Hiring Wrong: Why a Poor Decision Can Weigh Down a Company
In this article, we analyze the real impact of a bad hire and how a professional, data-driven selection process can prevent financial losses, unnecessary turnover, and the loss of key talent.
27/10/2025
10-Day Bereavement Leave: A Social Measure with Impact on Businesses
The new labor framework expands rights related to bereavement and palliative care, but raises questions about its implementation and cost for organizations.
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
New Strategic Plan of the Labour and Social Security Inspectorate 2025–2027: What Companies Need to Know
We explain the main updates of the 2025–2027 Strategic Plan of the Labour and Social Security Inspectorate (ITSS), its priorities, and how companies can prepare in advance.
07/10/2025
Why is it so difficult to find good executive profiles?
In the following post, we explain the 5 most common reasons (and how to avoid them) when hiring executives for your company.
06/10/2025
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