We avoid the classics and focus on a close relationship, flexibility and transparency with our customers
This is the secret to providing an honest, transparent and professional service. The values of the firm are reflected in our team: vocation, passion, knowledge and integrity.
A brief history
Juan Bosch, a tax advisor of renowned experience, is the founder of “Bosch Asesores, SL”, a company dedicated to providing tax, labour and accounting advisory services.
Samuel Lorente and Mario Oller join the firm and with them, “Oller Bosch Navarro, Abogados y Asesores Tributarios, SL” is born along with the new corporate image.
2016 – 2017
A period of remarkable growth begins. The team grows from 4 to 12 people in less than 2 years. Obn Empresas” is born and the office turns to digitalization.
2018 – 2019
Our team continues to grow with the integration of “Gesem”. We became a team of more than 50 professionals and moved to new offices in the center of Barcelona.
2019 – 2020
Partners and Management
Mario OllerLegal Partner and Ligitation
Mario is a founding partner of the firm and CEO of OBN&. As a lawyer specialising in Civil, Commercial and Real Estate Law, his activity is focused on civil and commercial litigation, as well as advising companies and individuals on all types of real estate transactions and/or restructuring.
Samuel L.NavarroTax Partner-Corporate and Global Services
Samuel is a founding partner and Chief Operating Officer of OBN. He is a lawyer specialized in Tax Law, Tax Inspections and Criminal and Tax Compliance.
Pilar D'AmbrosioLabour Partner
Pilar is a labour lawyer and partner in charge of the Labour Department.
Vanessa RieraGeneral Manager
Vanessa is the General Manager of OBN& with 15 years of experience. She is a lawyer specializing in labour relations and labour law advice.
José María ArgüelloAccount Director
José María is the Head of the Accounting Department and has 40 years of experience as a tax and accounting advisor.
Guillermo AlonsoTax Accounting Manager
Guillermo has a degree in Business Sciences. He has extensive experience in tax-accounting consultancy, both for companies and self-employed professionals.
Estela BorrellLabour Manager
Estel is Head of the Labour and Employment Department and has more than 20 years of experience in advising companies. She is also a specialist in Labour Law.
Esther FontanetTax Accounting Manager
Esther is part of the Tax Department and has over 25 years of experience. She advises individuals and legal entities on their fiscal and tax obligations.
Meritxell MontManager of Global Services & Junior Corporate Law
Meritxell has a Law degree and a Master’s degree in International Law, Foreign Trade and International Relations.
Joan SalvóLabour Manager
Joan is responsible for the Labour Department and has more than 15 years of experience as a labour consultant.
Magdalena VidueiraLabour Manager
Magdalena is responsible for the Labour Department and has more than 30 years of experience advising in the labour field.
Esperanza VizueteLabour Manager
Esperanza is Head of the Labour Department and has more than 20 years of experience advising companies on labour issues.
Max SmithManager of the Global Services Accounting Department
Max has a degree in Business Administration and 3 years of experience in corporate finance and accounting. He is part of the international department of OBN&
Asun BusquetsSenior Accounting
Asun is part of the Accounting Department and has extensive experience in advising both companies and freelancers.
Mónica CastroSenior Labour
Monica has extensive experience advising both companies and freelancers in the daily labour management of their business.
María LeónSenior Tax Accounting
María has over 30 years of experience experience in tax and accounting consultancy, both for companies and individuals.
Diego O.CastilloSenior Tax Accounting
Graduate in Business Studies, Diego has a career of over 15 years as a tax advisor, both for companies and the self-employed.