A flaw in the 2025 Income Tax Return prevents the application of key regional tax benefits
This post examines the issues detected in Renta Web that are temporarily preventing the application of certain regional tax deductions in the Valencian Community and Castilla-La Mancha.
10/04/2026
Mistakes that could cost you thousands of euros in labour inspections
In this post, we review the most common labour-related mistakes that can lead to significant penalties in the event of a labour inspection, and how to avoid them.
10/04/2026
Digital time tracking: where regulation is heading
Working time recording is not a new obligation, but its digitalisation and the debate over its scope are shaping the evolution of working time control.
10/04/2026
Special tax regime for inbound workers in Spain: requirements and benefits in 2026
Discover how the inbound workers’ tax regime (impatriates) works in Spain, its tax advantages, and the requirements to apply it in 2026.
10/04/2026
How Toda & Nel-lo Abogados gains operational efficiency and strategic focus with Adlanter
Toda & Nel-lo’s journey towards a more efficient, flexible and scalable model thanks to a strategic partnership with Adlanter.
10/04/2026
AI investment in the middle market: how to take advantage of tax benefits
How mid-sized companies can drive their technological transformation with AI and benefit from tax deductions for R&D&I and subsidised training.
10/04/2026
Refund of Social Security contributions for multiple employment under the Special Self-Employed Workers’ Scheme (RETA) in 2026
In 2026, the TGSS will automatically refund excess Social Security contributions to self-employed workers in multiple employment: learn about the thresholds, amounts and deadlines.
10/04/2026
VeriFactu 2027: Why 2026 Is the Critical Year for Your Accounting Infrastructure
Discover how to get ahead of VeriFactu and ensure your company complies with the Anti-Fraud Law smoothly.
09/04/2026
Regional tax deductions to take advantage of in the 2025 Income Tax Return campaign
Each autonomous community offers tax benefits that can significantly reduce the amount of tax payable. In this post, we highlight the most notable ones.
08/04/2026
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
2026 Social Security Contribution Order: What Changes and How It Affects Companies and the Self-Employed
The new Social Security contribution order is now in force with retroactive effect from January. We analyze its key points and what companies need to do now.
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
Personal Income Tax (IRPF) in Spain: Basque Country, Navarra, and the State Regime
Personal Income Tax (IRPF) in Spain: Basque Country, Navarra, and the State Regime
31/03/2026
Why a share buyback can be considered artificial
The Spanish Tax Agency (AEAT) declares a share buyback and capital reduction operation as artificial: we explain what it means and how to protect yourself.
31/03/2026
How Mango manages the international mobility of its talent with Adlanter
Mango’s journey towards more agile, secure, and frictionless international mobility management.
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
How the Rental Extension Affects Property Management in Spain
In this article, we explain how the government-approved rental extension works, who can benefit from it, and the steps to take to protect the lease.
30/03/2026
Requirements for the Highly Qualified Professional (PAC) Visa in Spain
Main criteria you must meet to successfully obtain this type of work permit. Did you know all of them?
30/03/2026
The perfect health insurance for your visa: Legal requirements of the UGE
A clear and comprehensive guide to choosing valid health insurance for visas and permits in Spain, avoiding mistakes or rejections.
30/03/2026
Dónde vivir en España en 2026: más allá de Madrid y Barcelona
In this post, we analyze the most strategic destinations for remote work in Spain in 2026, comparing taxation, cost of living, and the professional ecosystem.
27/03/2026
Buying a Property Through a Company: When Does It Make Sense?
Advantages, Risks, and Tax Considerations When Buying a Property Through a Company
26/03/2026
What taxes are paid when buying or selling a property in Spain in 2026?
In this article, we explain which taxes affect buyers and sellers and how they impact the real cost of a real estate transaction.
26/03/2026
VAT exemption for low-income freelancers: what changes and how to apply it
In this post, we explain the measure designed to reduce administrative burdens and ease the tax pressure on freelancers, with an estimated saving of up to €600 per year.
25/03/2026
Essential Guide to Personal Income Tax in Spain for Foreign Residents
In this post, we analyze income tax in Spain for foreign residents: tax residency, international income, and double taxation.
23/03/2026
Adlanter joins AEBYS: a new chapter in 2026
Adlanter joins AEBYS to drive professionalization and quality standards in talent selection.
23/03/2026
Urgent Government Measures in Response to the War in Iran: How They Affect Businesses and Freelancers
Discover in this post the tax reductions, aid, and strategies your company can leverage in response to the crisis caused by the Middle East conflict.
23/03/2026
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
The path of ISDIN toward efficient, reliable, and well-coordinated international relocation processes with Adlanter’s support.
The path of ISDIN towards faster, safer, and frictionless expatriation management.
23/03/2026
How EDAFO drives its growth by hiring specialized technical talent with Adlanter’s support
EDAFO’s journey toward more accurate, personalized recruitment processes aligned with a highly technical and specialized sector.
23/03/2026
How Gühring accelerates the acquisition of specialized technical talent with Adlanter’s support
Gühring’s journey toward faster, more accurate recruitment processes aligned with its demanding industrial environment.
23/03/2026
How Rentrak Spain optimizes its accounting management and international reporting with Adlanter’s support
Rentrak Spain’s journey towards more accurate, reliable financial operations aligned with Comscore Group’s international standards.
23/03/2026
How CUBY ensures the onboarding of specialized technical talent with Adlanter’s support
CUBY’s journey towards a recruitment process that is precise, confidential, and aligned with its demanding industrial environment.
23/03/2026
How MUJI Spain ensures financial accuracy and international control with Adlanter’s support
MUJI Spain’s journey towards accounting and tax management aligned with the Japanese group’s global standards, built on quality, timeliness, and operational trust.
23/03/2026
50 profitable (and easy) business ideas to start in Spain in 2026
Discover 50 profitable business ideas to start in Spain in 2026 and learn how to validate them, launch them, and turn them into a solid, well‑structured company.
20/03/2026
Key Points of the Highly Qualified Professional Permit
Discover the essential keys to ensure your Highly Qualified Professional (HQP) permit application is approved without delays or errors.
20/03/2026
Minimum salary for Highly Qualified Professional (PAC)
Learn about the minimum salaries required for the Highly Qualified Professional (PAC) permit and how they influence the approval of your application.
20/03/2026
Legal checklist for launching a startup in Spain
Are you planning to launch a startup in Spain? This legal checklist helps you do it right from the start and avoid mistakes that could be costly.
20/03/2026
EU Inc: create companies online in 48 hours for under €100
EU Inc offers to create companies online in 48 hours for under €100, an optional digital model that the EU will discuss for European startups and entrepreneurs.
20/03/2026
Differences Between the NIE and Residence Permit in Spain (2026 Guide)
The NIE and the TIE are not the same. Being a legal resident in Spain is also different from holding a Foreigner Identification Number. Here we explain the different situations and concepts that may be relevant to you as a foreign national.
20/03/2026
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
Work Permit for Highly Qualified Professionals
Complete guide to the Highly Qualified Professional (HQP) work permit: requirements, categories, and steps to apply in 2026.
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
Posted Workers: Why Compliance Is Key in International Employee Posting
In this post, we analyze why in international mobility, merely complying with regulations is not enough: it is essential to be able to demonstrate compliance at the right time to avoid sanctions.
18/03/2026
