About us


Outsourcing Solutions International, LLC (“OSI”), is a distinctly Puerto Rican company, created in 1999, that offers a unique combination of accounting and payroll services through an Internet portal called alchavo.com. Through these years we have served thousands of entrepreneurs by offering a proven platform that allows small and medium businesses to have a clear vision of the finances of their business, we guarantee compliance in all the processes carried out through our platform and not least we help you maximize your time.

Our numbers do not lie, today we have more than 1,500 active users of the system which represents more than 55,000 paid employees in the last 12 months. We offer personalized service and innovative solutions that contribute to the success of each company.

We have been recognized as leaders in accounting and payroll services in Puerto Rico and our north is to export this technology and experience to the Caribbean and the Americas. After years of experience with thousands of clients in Puerto Rico, OSI launches Brainbooks to serve markets outside of Puerto Rico, starting with a payroll module in the Dominican Republic.

We invite you to discover the new intelligent tool to process and manage payroll for your business. Brainbooks comes to the Dominican Republic to stay!