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Empowering your Financial & Strategic Growth

Tailored economic consulting, investment portfolio strategies, and business scalability solutions rooted in over two decades of global experience.

Online & In-person

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25+ Years of Experience   |     International Vision   |   B2B and private

Grounded Experience. Global Perspective

At SJM Economics, we provide tailored economic consulting and strategic financial advice to help businesses and high-net-worth individuals navigate complex financial landscapes.

Founded by senior economist Sergio J. Mantoni, our firm combines multi-decade analytical expertise with a deep understanding of international markets, regulatory environments, and economic expansion.

Having operated and consulted across diverse international markets—including North America, Latin America, Europe, and the Nordic region—we deliver actionable insights that foster long-term stability and sustainable growth.

Comprehensive Financial Services

Tailored Solutions to Meet Your Unique Needs

Financial Planning

Expert guidance to help you manage your wealth, achieve your financial goals, and secure your future. From budgeting and investments to retirement planning, we provide tailored strategies to ensure your financial success.

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Investment Management

Creating and managing personalized investment portfolios that align with your financial goals and risk tolerance. With expert advice and ongoing portfolio monitoring, we help maximize returns while minimizing risk, ensuring your investments work for you.

Business Growth

Strategic guidance to help your company expand, increase revenue, and reach new markets. Through tailored solutions and expert support, we drive sustainable growth, ensuring your business thrives in a competitive landscape.

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A Glimpse into Our Excellence

Committed to Your Business Growth and Success

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We understand that every client has unique goals and challenges. We take the time to listen and tailor our strategies to align with your vision for the future. Whether you're navigating investments, planning for retirement, or seeking to optimize your business finances, we provide personalized guidance backed by industry insights and innovative solutions.

At SJM Economics, we are dedicated to providing expert financial and economic consulting tailored to meet the diverse needs of our clients. Founded by renowned economist Sergio Mantoni, our firm has been a trusted advisor since 2005.


With a global perspective shaped by extensive international experience, we blend deep local expertise with a wide-ranging understanding of global economic trends. Our mission is to empower businesses and individuals with the knowledge and strategies necessary to navigate complex financial landscapes and make informed decisions.

About Sergio J. Mantoni 

Sergio J. Mantoni is a seasoned economist who has been at the forefront of financial consulting for over two decades. A graduate of a prestigious Argentine university, he has built an extensive career helping individuals and businesses navigate the complexities of finance and economic growth. His academic foundation, combined with years of practical experience, has equipped him with the knowledge to offer invaluable insights into global markets, investment strategies, and business expansion. Over the past 20 years, his consulting business has become a trusted partner to clients seeking expert guidance in financial planning, investment management, and business growth.

Having lived in a diverse range of countries—including Uruguay, the United States, Canada, the Caribbean, the United Kingdom, Finland, and Spain—Mantoni has gained a unique perspective on global economics. This international exposure has enriched his understanding of different economic environments, allowing him to tailor his services to clients across various regions. Each country’s economic climate, regulatory landscape, and cultural nuances have contributed to his ability to develop personalized financial strategies that adapt to the unique challenges and opportunities of different markets.

In addition to his extensive experience living in multiple countries, Mantoni has traveled the world for years, further expanding his knowledge of global finance. His travels have allowed him to stay connected with economic trends, build an international network, and gain insights that set him apart from other consultants. His global expertise enables him to empower his clients, offering them a broader perspective on how to manage their finances, grow their businesses, and seize opportunities in an increasingly interconnected world.

Structured Advisory Model

Committed to Your Business Growth and Success

Our client relationships are structured around focus, direct access, and confidentiality.

Monthly Strategic Alignment: Dedicated monthly sessions (up to 2 hours) to review objectives, evaluate market trends, and adjust growth strategies.

Direct Advisory Access: Scheduled telephone contact to address urgent questions or decision points.

Targeted Insights: Delivery of timely, curated economic analysis relevant to your ongoing strategy.

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Partner with SJM Economics

Ready to optimize your business strategy or manage your financial future with expert guidance? Reach out today to discuss how we can work together.
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