Phone Number: +34 911834858



Located in the Basque Country, he is currently a partner of ONEtoONE Corporate Finance focused on M&A operations and financial advice.

Due to his professional career, he has extensive knowledge in the TIC, energy, manufacturing, and professional services industries where he has participated and led different operations on the sell-side and in the buy-side. He has been a member of some Boards and Advisory Boards.

Previously, he was North Regional Director at Oracle, and previously Director in the Consulting area of PwC. He began his professional career at Arthur Andersen as auditor manager.

As a partner at ONEtoONE, Sebastian Rico brings a wealth of expertise in both the IT and energy sectors, making him an invaluable asset to the company. With a keen understanding of market trends and technological advancements, Sebastian has played a pivotal role in guiding clients through complex mergers, acquisitions, and strategic partnerships in the ever-evolving IT landscape. Additionally, his knowledge of the energy sector has enabled ONEtoONE to navigate the intricate challenges and opportunities within this rapidly changing industry, facilitating successful transactions and fostering long-term growth for clients. Sebastian's dedication to excellence and his ability to provide insightful strategic advice have significantly contributed to the company's reputation for delivering exceptional results in both sectors.


Economics & Business Administration Degree, Deusto University, Spain

PDD, IESE Business School, Spain

Management training (various disciplines) at AA, PWC and Oracle


Partner, ONEtoONE Corporate Finance (M&A) since 2019

Owner, Almazán Global Corporate SL

Senior Director and member of Executive Comittee, Oracle (Iberia)

Director of Consultoría Financiera, PwC

Manager, Arthur Andersen (Auditoria)

Track Record

Purchase of vending company
Purchase of professional services office (Auditing)

Purchase of paper cellulose Company
Investment in energy distribution company

International Experience

Spain (ES)
France (FR)
United Kingdom (GB)

Sector Expertise

Information technology
Las Arenas office

Las Arenas

Villa de Plencia, 8
48930, Las Arenas


TIC, Manufacturing, Energy, Professional services