Accounting Partner Services – Airnest REIM x CisterData

At Airnest REIM, we know that real estate investment doesn’t stop at property acquisition and management. To ensure compliance, optimize taxation, and provide peace of mind to our clients, we have established a strong partnership with CisterData, a multilingual accounting and tax advisory firm recognized for its expertise in real estate operations.

Together, we provide our clients with comprehensive accounting and tax support, tailored to short-term rental activities as well as broader investment and corporate needs.

A Strong Collaboration for Full Compliance

This partnership combines Airnest REIM’s property management expertise with CisterData’s in-depth accounting and tax knowledge. Our goal is to ensure that every client is fully compliant with Portuguese regulations, while optimizing their financial and fiscal structure.

CisterData’s team is multilingual (Portuguese, French, and English), making the administrative and tax processes accessible and transparent for our international clients.

Services for Rental Property Owners

For owners operating in the short-term rental market, we provide a complete framework to ensure compliance and smooth operation :

• Situation analysis – tailored review of your investment and fiscal status.

• Recibo Verde activity opening – registration of your rental activity.

• Quarterly VAT declaration – timely IVA filings to comply with legal requirements.

• Portal das Finanças monitoring – ongoing follow-up to ensure all obligations are up to date.

• IRS declaration – annual income tax declaration including rental income.

Extended Accounting & Advisory Services

Airnest REIM x CisterData also provide a wide range of services for investors and entrepreneurs :

• Company formation (Portuguese entities, subsidiaries, holdings).

• Corporate accounting & tax compliance.

• Strategic tax advisory – structuring and optimization for Portuguese taxation.

• Cross-border structuring – support for investors with international holdings.

• Ongoing consultancy – fiscal planning and tailored solutions for long-term investment strategies.

• Legal & structuring support – through our partner network, we can involve specialized lawyers (real estate, tax, corporate law) to provide personalized and optimized assistance in complex cases, ensuring full legal coverage

Why Work With Airnest REIM & CisterData

• One-stop solution: Property management + accounting in one integrated service.

• Full compliance: Your obligations are managed “dans les règles de l’art”.

• Tailored expertise: Solutions designed for property investors, not generic services.

• Multilingual support: Portuguese, French, and English, ensuring clarity and transparency.

Conclusion

By combining the operational expertise of Airnest REIM with the specialized knowledge of CisterData, we offer our clients a complete ecosystem for real estate investment in Portugal. From rental activity registration to corporate structuring and fiscal optimization, every step is managed with precision and professionalism.

Contact us to learn how Airnest REIM & CisterData can secure and optimize your investment in Portugal.