CASS International
Real Cases and Client Testimonials
Real solutions for residence permits, visas, legalization, and support — with a guarantee of confidentiality.
Privacy Policy
We comply with the Personal Data Protection Law:
Cumplimos con la Ley de Protección de Datos Personales (LOPD) y
Reglamento General de Protección de Datos en la UE (RGPD)
We comply with the Personal Data Protection Law:
Cumplimos con la Ley de Protección de Datos Personales (LOPD) y
Reglamento General de Protección de Datos en la UE (RGPD)
We publish examples of real cases and client testimonials so that you can understand how we work and what results to expect.
All personal data is hidden in accordance with the Personal Data Protection Law: full names, phone numbers, addresses, and details that could identify a person, as well as document numbers.
Screenshots of correspondence are published only with the consent of each individual client.
All personal data is hidden in accordance with the Personal Data Protection Law: full names, phone numbers, addresses, and details that could identify a person, as well as document numbers.
Screenshots of correspondence are published only with the consent of each individual client.
Case List
Check out our cases and client testimonials to learn about real success stories and get useful tips.
- 4 Residence Cards in Hand — in a Single Application Process
Residence for the entire family in Spain
Our clients have obtained residence for the whole family. Full support: from document preparation to receiving the cards. Fast, reliable, and without refusals. - Legal Business Setup in Spain
Residence permit with the right to work for yourself
The client successfully obtained a residence and work permit as an autónomo. We prepared the business plan, processed all documents, and provided full support until the residence card was issued. - After 10 Years of Legal Residence
Spanish Citizenship Passport
Our client completed the naturalization process and received a Spanish passport. We supported them at every stage: from obtaining the first residence permit, through renewals, to applying for citizenship. - Spanish ID Card
Spanish DNI, Spanish citizenship
The client successfully obtained their DNI after acquiring citizenship. We assisted through all stages: from submitting the application to registration in the national system. - Father and Son Obtained Residence Simultaneously
"No lucrativa" residence for the family
We arranged "No lucrativa" residence permits for two generations of one family. We prepared the documents, coordinated with the consulate, and provided full support until the cards were received. - First Step Toward Residence
Spain D Visa
The client received a national D visa in their Russian passport. We prepared the entire document package and supported the process until the visa was successfully issued. - Positive Decision on Legalization in Spain
Arraigo para la Formación
The client received approval for a residence permit for study under the “arraigo para la formación” program. We prepared the documents and evidence, and supported the process until a positive decision was obtained. - Already the Second One – Supporting the Client from the Start
"No lucrativa" residence renewal
Our client successfully received the second renewal of their "No lucrativa" residence permit. We have been supporting them from the initial document preparation and continue to ensure consistent results without refusals. - Family Member of an EU Citizen
5-year residence permit for the spouse of an EU citizen
The client received a positive decision for residence as the spouse of a Spanish citizen. We prepared the documents, verified the family relationship, and supported the process until approval and receipt of the residence card. - After Hurricane DANA 2024
Residence in Exceptional Circumstances
The client obtained residence in Spain under the “circunstancias excepcionales sobrevenidas” basis. We helped gather the evidence and navigate the application process following the natural disaster. - With Full Authorization to Work for Yourself or as an Employee
Residence permit under exceptional circumstances
Our client successfully obtained temporary residence in Spain under exceptional circumstances with authorization to work either as self-employed or as an employee. We managed the entire process and helped prepare all documents quickly and accurately. - With Authorization to Work Remotely from Spain
Digital Nomad – residence for international remote workers
Our client successfully obtained their initial residence in Spain as an international remote worker (Digital Nomad). We provided full support and document processing in a short timeframe. - 3-Year Residence Permit in Spain
Residence for a family member of a Digital Nomad
Our client’s minor son successfully obtained his initial residence in Spain as a dependent of an international remote worker (Digital Nomad). We fully managed the process and document preparation, ensuring a fast and smooth approval. - Residence and Citizenship for Children Born in Spain
Positive decision for a child born in Spain to foreign parents
Our client successfully obtained a positive decision for their child born in Spain to foreign citizens. We managed the entire document process, ensuring fast and proper approval. - Legal Study and Residence for International Students
Student residence for language courses in Spain
Our client successfully obtained a student residence permit in Spain to attend language courses. We fully managed the document process, ensuring fast approval. - With Authorization for Residence and Study in Spain
Temporary residence for education
Another satisfied client successfully obtained temporary residence under the Arraigo program for studying. - Fast and Successful Citizenship Processing in Spain
Spanish citizenship in 3.5 months
Our client received a positive citizenship decision in just three and a half months. We provided full support throughout the process and handled all document preparation without delays. - Legal Residence and Work for Digital Nomads
Digital Nomad Residence in Spain
Our client successfully obtained a Digital Nomad residence in Spain. We managed the entire document process, ensuring fast and proper approval for remote work and living. - Successful Student Residence Permit Processing
Residence for study in Spain
Another satisfied client obtained a residence permit for studying in Spain. We helped gather all documents and supported the process until a positive decision was achieved. - Legalization of a Client After 2 Years of Undocumented Residence in Spain
Residence permit by long-term residence (residencia por arraigo) in Spain
Our client successfully obtained a residence permit after two years of living in Spain without legal status. We managed the entire document process, ensuring fast and proper approval.
Testimonials About Us
Client reviews from those who have already achieved results.
"Trust justified by results."
"Trust justified by results."
Our Partners
EMEX Asesores – Law firm in Spain, specialists in business support in Europe. Partnering since 2022.
Azbuka Spain – Group of companies specializing in immigration matters in Spain. Partnering since 2020.
ISPALIFE – Translators and immigration specialists in Spain. Partnering since 2023.
Asesoría fiscal, laboral y contable – Tu Tramitador – Collaboration in tax, labor, and accounting services.
Contact Information
Leave a request and we will contact you within 15 minutes!
The first consultation is free!
Residence permit program selection is free!
All subsequent consultations are included in the final cost of services upon signing the contract.
The first consultation is free!
Residence permit program selection is free!
All subsequent consultations are included in the final cost of services upon signing the contract.
cassinterhold@gmail.com
+34 660 201 848
+7 985 751 81 67
+34 660 201 848
+7 985 751 81 67
Madrid, Spain
