Legal advice in Madrid

Legal and commercial advice for companies, professionals and individuals

At PROLANSI, we recognise the vital importance of business consultancy to achieve a comprehensive optimisation of accounting and tax aspects in the business environment. That is why our experts in business and tax consultancy work in close collaboration, thus guaranteeing the optimal fulfilment of all your responsibilities.

We offer specialised business consultancy services with the aim of enhancing the legal and financial management of your company. Our business law experts support you in making informed decisions, ensuring regulatory compliance and providing a holistic approach to the growth and prosperity of your business.

We are specialists in business start-ups and company formation, we are a PAE point.

Legal advisors checking documentation

How can we help and advise you?

Management of companies

We set up and carry out corporate modifications in various legal structures, including entities, commercial companies, joint ventures, cooperatives and asset-holding companies.

Experience and planning

We advise you on all the procedures that your company needs while helping you plan the growth of your business, reducing unnecessary expenses and charges.


You will have a team of legal advisors always at your disposal, whether in person, by email or telephone. Committed to resolving your doubts and queries quickly.

Legal advisory services

Our legal advice is provided by a team of highly qualified advisors, consultants and lawyers with extensive experience in various areas of business law. We are committed to offering quality services, providing our clients with expert support to face legal challenges and ensure efficient handling in all areas of the business environment.

Legal advisors checking documentation

Most popular legal services

Constitution of societies.

Corporate modifications.

Preparation, deposit and registration of annual accounts.

Legalization and custody of corporate and accounting books.

Preparation and negotiation of commercial contracts.

Legal assistance to foundations and associations.

Management in public organizations, registries and notaries.

Settlement of Property Transfer Tax and documented legal acts.

Legal assistance in meetings, calls and legal secretariat.

Commercial mediation and specialized arbitration services.

Always ready to assist you with any legal matter!

Speak to a legal advisor now!

    The fields marked as required are mandatories.

    Basic information on data protection. In accordance with the RGPD and the LOPDGDD, PROLANSI will process the data provided, in order to answer the doubts and/or complaints raised through this form and provide the requested information. Provided that you previously authorize us, we will send information related to the services offered by PROLANSI. You may exercise, if you wish, the rights of access, rectification, deletion, and others recognized in the aforementioned regulations. For more information about how we are treating your data, access our Legal Notice and Privacy Policy.

    Other services

    Accounting advice

    The accounting advisory service gives advice to the company’s accounting and administrative staff, and prepares the company’s accounting records.

    Labor advice

    Management and advice on affiliation, contributions and labor relations with workers.

    Tax advice

    Your business accounting and taxes in the best hands. Our tax experts take care of everything.

    Real estate management

    We advise you on wealth management, investment analysis, debt restructuring and refinancing…