Xterna – Asesoria para PYMES en Barcelona
International consultancy in Barcelona: Xterna is your team
Your international consultancy and agency in Barcelona, Spain with people who understand you.
At Xterna we advise companies, professionals and individuals who cross borders.
We offer international consultancy in Barcelona that understands the complexity of operating between countries and offers you solutions in the accounting, tax and labour fields.
Global solutions for your business needs
Comprehensive international advice, without borders
We accompany you closely, with experience and a team that understands your needs
We are fully involved in each case, from your company’s accounting to your personal situation as a resident or non-resident. Because every client is unique, and so should be every advice.
What services does our comprehensive international consultancy include?
We are a consultancy specialising in complex situations, where tax, accounting and labour elements are intertwined
These are some of the specific services we offer as an international consultancy, consultancy and management company in Barcelona:
- Tax analysis for residents and non-residents: We assess your global situation to avoid double taxation and take advantage of tax benefits.
- Complete accounting management with international criteria: We adapt your accounting to Spanish regulations without losing traceability or global vision.
- Payrolls and international labour management: We process registrations, contracts and everything you need if you have foreign workers or if you are relocating.
- Declaration of assets abroad (Form 720): Comply with your obligations without risks or errors. We guide you and file it for you.
- Filing of complex taxes and tax forms: Personal income tax, 210 forms, intra-community VAT, international withholdings. We take care of it.
- Support in tax inspections or requirements: If a problem arises with the tax authorities, you are not alone. We defend you and manage everything.
- Multilingual assistance and international coordination: We understand you and your team, in your language. We also talk to your advisors abroad.
- Simulations and international tax planning: Anticipate complex scenarios and make informed decisions with our simulations.
Xterna’s three areas of expertise
| International taxation | International accounting | International labour |
|---|---|---|
| Advice for residents and non-residents in Spain. | Accounting adapted to cross-border operations. | Recruitment of foreign or posted workers. |
| Study and application of double taxation treaties. | Conversion of accounting books to Spanish or international standards. | Advice on labour regulations for international companies. |
| Personal income tax returns, forms 720, 210, 100 and more. | Multilingual financial reporting for parent companies or subsidiaries. | Social security management in international mobility. |
| Taxation for expatriates, digital nomads and displaced persons. | Accounting review for international audits. | Payrolls with taxation at source and destination. |
| Management of income and assets abroad. | Account consolidation support if you operate in several countries. | Processing of registrations, de-registrations and movements with public bodies. |
| Coordination with tax advisors in other countries. | ||
| As your business consultant in Spain, we design a solid and well-coordinated strategy with you. | ||
| Tax consultancy → | Accounting advice → | Labour counselling → |
Why choose Xterna as your international consultancy?
Because we understand you. Because we speak to you clearly. And because we have the experience and the technical team to help you operate without mistakes, without surprises and without wasting time on things that don’t add value.
- Personalised attention, also in English or other languages.
- Online or face-to-face service, you decide how to work with us.
- Transparency in prices and processes.
- Specialists in SMEs, startups, freelancers and individuals with international activity.
- Direct contact, no call centres, no detours.
We work with you, regardless of country or time zone.
At Xterna we believe that a consultancy must know, but more importantly: it must listen. That is why we rank among the best consulting firms in Spain.
We adapt to your time, your channels and your way of working. Contact us by phone, video call or email. All without complications.
- Address: Av. Diagonal 458, 6th floor, 08006, Barcelona
- Telephone: 934 45 46 47
Get in touch with our team today. Xterna’s comprehensive international consultancy is an opportunity for your business.
They trust us from all over the world
Frequently asked questions about international consultancy in Barcelona
It includes accounting, labour and tax analysis, planning, tax returns, management of international tax forms (such as 720), coordination with advisors in other countries and assistance with the tax authorities. Everything adapted to your case, wherever you are.
Yes, if they exceed certain thresholds. At Xterna we help you to correctly file Form 720 and other tax forms to avoid penalties and comply with Spanish regulations.
Of course. We manage the taxation of international operations, intra-community VAT, applicable withholdings and quarterly forms. We advise you on how to comply with the tax authorities without losing competitiveness.
Yes, we work completely online if you need us to. You can send us the documentation by email or have a video call with your manager. It’s that easy, wherever you are.
Yes, we speak English and Spanish, and we can arrange translations or assistance in other European languages if you need it. We want you to feel comfortable and well accompanied.