"Machines don't buy from machines, people buy from people."
Sheilla Madeleine Vestergaard De Siqueira
About De Siqueira Consulting
International expansion is not only about markets, it is about people, culture, and informed decisions.
De Siqueira Consulting is an international business consulting firm dedicated to helping companies expand successfully into new markets. We support organizations navigating the complexity of international market entry, business development, and cross-border growth, with a strong focus on practical execution and long-term value creation.
Our Background and Experience
De Siqueira Consulting was founded in 2015 to bridge the gap between strategic planning and real-world international execution. With hands-on experience working across Europe and Latin America, we understand the challenges companies face when entering unfamiliar markets.This background allows us to provide insights that go beyond theory and reflect the realities of operating internationally.
Our Approach
We believe that successful international expansion requires clarity, structure, and trust. Our consulting approach is built around close collaboration with our clients, ensuring that strategies are realistic, actionable, and aligned with business objectives.Our role is to act as a strategic partner — not just an external advisor.
Cross-Cultural and Market Insight
One of our core strengths is our deep understanding of cross-cultural business dynamics. Cultural differences, communication styles, and local business practices can significantly impact international success.
Why Clients Choose De Siqueira Consulting
Clients work with us because they value:
- Our international experience combined with strategic insight
- Our pragmatic, hands-on consulting style
- Our honest advice and transparent communication
- Out long-term thinking focused on sustainable growth
Our success is measured by our clients’ ability to operate confidently and effectively in new markets.
About the founder
Sheilla have many years of experience as Business developer and Market manager working within the South America and South Europe Markets. Through her background she knows the culture, it’s in her blood, but more important she possess solid competency in international business and negotiations with customers and suppliers within an international and multicultural environment.
Europe
Our Strategic Network
South America
Our services in South America are supported by a strategic network of experienced companies and professionals.
Rogério R. Macedo
Lead Welding Automation Specialist
Welding Automation
Rogério R. Macedo is a Welding Technologist with a postgraduate degree in Production Engineering and over 25 years of experience in the metal-mechanical industry across Latin America. In 2006, he founded Weldspray Consulting LLC, initially to represent the Canadian company Gullco International, promoting welding automation equipment in the region. Under his leadership, Weldspray has grown into a well-established representative of leading manufacturers throughout Latin America, supported by a strong network of international welding distributors. The company also provides specialized consulting and technical training services, staying closely aligned with the latest technological developments through continuous team training and close collaboration with manufacturers, distributors, and end users.
Marcello Franchi
Agribusiness Business Developer Mechanization & Precision Farming
Marcello Rodrigues Alves Franchi is an Agronomist graduated from ESALQ-USP, with a postgraduate degree in Project Management and extensive experience in agribusiness as an Agro Business Developer. He built a significant part of his career as a researcher at a research foundation, where he developed and led projects focused on agricultural mechanization, precision agriculture, and innovation in the field. Currently, Marcello also serves as a strategic consultant at GeoMec – Research and Consulting, contributing technical and business-driven solutions that enhance efficiency, sustainability, and competitiveness in agricultural operations.
Fernando Bressan
Consultant in Agribusiness Management Sustainability and Development
Fernando Bressan is an Agronomist specializing in livestock production, sustainable agriculture, and agribusiness management. With extensive experience in the Brazilian agricultural sector, he supports producers and agribusiness companies in improving productivity, sustainability, and operational performance.
At De Siqueira Consulting, Fernando provides technical expertise in cattle production, sustainable farming practices, and agricultural business development, helping build strategic partnerships between Brazil and Europe. He is also the direct contact for clients and partners at our physical office in Campo Grande, Mato Grosso do Sul, Brazil.
