Global experience meets local agility to solve complex business challenges

Giga Global Consulting & Advisory (GGCA) is a modern consultancy founded on the belief that clear strategy, smart execution, and trusted relationships drive business success in today’s dynamic world.
We offer high-level advisory across strategic development, market expansion, B2B partnerships, and digital transformation, powered by deep industry insight and cross-regional experience in APAC, EMEA, and AMER.
At GGCA, we don’t just advise, we partner with ambitious leaders to navigate real-world challenges, unlock growth, and deliver measurable results. Whether you’re entering new markets, managing complex negotiations, or redefining your go-to-market strategy, we bring clarity, confidence, and executional strength.
Led by Siddhartha Selvanathan, a seasoned advisor with global experience and Fortune 500 credentials, GGCA delivers with integrity, strategic foresight, and solutions that make a lasting impact.
Mission
Vision
Core Value
Siddhartha Selvanathan
BSc Finance & Management
Masters of Business Administration
About The Founder
Strategic Vision, Global Experience, Human Insight
Siddhartha Selvanathan is a global advisor and strategic partner to leaders navigating critical decisions and high-stakes transformations. With over seven years of experience across APAC, EMEA, and the Americas, he has earned a reputation for delivering clarity, integrity, and measurable impact in complex industries such as energy, petrochemicals, and enterprise technology. A graduate with a Bachelor of Science in Finance and Management and a Master of Business Administration (MBA), he has led multimillion-dollar portfolios and advised C-suite executives at renowned firms including NexantECA and IHS Markit (now S&P Global). Known for his ability to listen deeply, think strategically, and negotiate decisively, Siddhartha brings a rare blend of analytical depth and intuitive understanding to every engagement. Fluent in the language of business and human motivation, he founded Giga Global Consulting & Advisory (GGCA) to provide bespoke, high-trust advisory to ambitious professionals and forward-thinking organizations. His work is grounded in a clear philosophy: true leadership begins with clarity of purpose, position, and the path forward.