Jointly led by Jorge Ignacio Gross Brown and Mauricio Salgueiro, the corporate department at Colab advises tech start-ups, venture funds, agribusiness, energy, and distribution companies. Juan Ignacio Guerra brings extensive experience in compliance, AML, anti-terrorist financing, and anti-fraud matters, advising on high-value M&A and project finance deals. Ángeles Alfieri advises on M&A and corporate financing for local and international clients. Renato Tenace Caballero is skilled in due diligence, corporate governance, regulatory analysis, and transaction documentation. The team’s corporate roster was further strengthened in January 2026 by the addition of Guillermo García, a former consultant and compliance advisor, who brings deep expertise in compliance, regulatory matters, and corporate governance.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Lawyer & team quality
Client satisfaction: Billing & efficiency
Testimonials
Collated independently by Legal 500 research team.
- The team's greatest strength lies in their high level of commitment and support. Despite being external lawyers, they work with a close and dedicated approach that makes them feel like part of the firm. They stand out for their responsiveness, responsibility, and practical approach to resolving issues, combining excellent technical expertise with a modern, dynamic, and client-oriented work style, which clearly distinguishes them from other firms. Outstanding lawyers: Renato Tenace, Thiago Araujo.
- The team is comprised of young, highly skilled professionals with a distinct vision of the legal profession. They bring a modern, dynamic approach, highly focused on practical solutions, which clearly sets them apart from other law firms we have worked with. The team stands out not only for its technical expertise but also for its work ethic: they are extremely responsible, accessible, and efficient. Responses to our inquiries are practically immediate, and when a question requires further analysis, they always clearly communicate the estimated timeframe and deliver on time. This combination of speed, organization, and commitment fosters a high level of trust and peace of mind in our daily work. Another distinguishing feature is their ability to adapt to client needs and work collaboratively, with fluid and transparent communication. There is a strong focus on innovation, both in how they approach matters and in their client interactions, something not always found in more traditional firms. Compared to other studios, this team stands out for its approachability, proactivity, and ability to offer concrete and agile solutions, always maintaining an excellent professional level.
Key clients
- Mondelez International
- Puente Casa de Bolsa S.A.
- Industrias Creativas On S.A.E.C.A
- Union Industrial Paraguaya
- Punto a Punto S.R.L.
- Impa S.A.
- Agrow Technology E.A.S.
- Pampa Gourmet
- Inversiones Hoteleras del Paraguay S.A.
- Rural Makro Import-Export S.A.
- Agronegocios del Paraguay E.A.S
- Orion Capital S.A.
Work highlights
Advised Atome Paraguay S.A.E. (a subsidiary of London-listed Atome PLC) in the comprehensive legal and corporate structuring of the Villeta Project, a landmark USD 500 million green hydrogen and ammonia facility.
Advised Mondelez International in the mass-consumption sector on matters related to the management and restructuring of distribution relationships in Paraguay.
Advising Industrias Creativas On S.A.E.CA., Paraguay’s leading communications and marketing group, on streamlining its corporate structure to enhance operational efficiency and simplify governance.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Renato Tenace
Practice head
Jorge Ignacio Gross Brown; Mauricio Salgueiro
Other key lawyers
Juan Ignacio Guerra; Ángeles Alfieri; Renato Tenace Caballero; Guillermo García