Our purpose is to accompany and protect you in every important project in Spain

We want to be by your side in every important decision of your life in Spain: real estate purchase or investment, residence, taxes, donation, inheritance,...

We put the defense and protection of your interests and those of your family above all others.


Ideal is defined as that which meets the necessary and optimal conditions for a specific function or purpose. And our philosophy starts from this definition.

Our values: 

Excellence and dedication in each project; legal security and protection of the interests of our clients; ability to react to unforeseen events and design innovative solutions.

Family, our why.


Irene Calero Cerqueira

Lawyer and founder. Double degree in Law and Business Administration and Management. Master of Access to the Legal Profession. Specialized in real estate, tax and immigration advice. French and English.

Ilona Khalanchuk Galkina

Jurist. Legal and tax advisor. Degree in Law. Russian, Ukrainian & English.

Our History

Idoneo Spain was born to respond to the need of the foreign client when buying or investing in Spain to know certain answers: where do I buy, how much should I pay for this property, will I have a return on my investment, is it a safe area to live or spend some time with my family, how do I start, who do I ask, what documents do I need to request and verify.

Idoneo Spain was growing offering more services to respond to the demands of our foreign buyers and investors, which was possible thanks to our knowledge about Law and Taxation. We were born as a real estate hunter, and have maintained since then its clear orientation to the buyer -often forgotten by the market-. The team is formed from the beginning by professional lawyers, and real estate consultants by experience and passion.

Our mission is to accompany, protect and give legal security to our clients in every important project of their life in Spain.


Main areas in which we can help you.


Do you have a purchase or investment project but don't know how to start? We accompany you and defend your interests.

We can help you from the research stage, as a real estate hunter, or once you have found the property to secure your transaction, as a lawyer and consultant.


We help you define your expatriation plan in Spain, advising you on the ideal visa or residence permit for you and your family.

We can also help you with your nationality application and double nationality cases.


We can help you with the setting up of your company in Spain, your entrepreneurship, accompany you during an inheritance or donation, tax studies for specific operations or the implications of becoming a tax resident, tax regime applications (Beckham Law,...).


You are just one step away from achieving it, shall we begin?

Tell us what your project is and we will help you draw up a plan to achieve it.