ABOUT US
Build trust through experience, purpose, and people.
We're Not Just Reporting Experts—We're Your ESG Partners
Since 2017, GCSS Inc. has been helping companies like yours create impactful, regulation-ready sustainability and ESG reports. We’ve supported over 45 publicly listed firms in the Philippines—from their first materiality assessment all the way to their assurance audits.
Whether you’re new to ESG or refining your disclosures for investors, we’re here to simplify the journey.
Who We Are
We’re a lean, expert-driven consulting firm with a heart for sustainability and a bias for action.
Founded in 2017, GCSS Inc. is a management consulting and corporate training firm dedicated to sustainability, resilience, and organizational growth.
We’re proudly Filipino-run and globally aligned—with credentials from GRI, IIRC, and AccountAbility (UK). Our team brings deep expertise in the frameworks your regulators, investors, and boards care about.
We also walk our talk: as a member of the UN Global Compact, we embed responsible business principles into everything we do.
Who We Work With
You might recognize the names. You might be next.
We’ve worked with major players in telecom, real estate, finance, energy, hospitality, and construction.
These clients came to us with a range of needs:
📌 “We don’t know where to start.”
📌 “We need help aligning with SEC & GRI.”
📌 “We want our report to actually say something.”
📌 “We need someone who understands both compliance and communications.”
Why Clients Like You Choose GCSS
You want simplicity.
We break down the ESG alphabet soup into actionable next steps.
You want local relevance.
We know the Philippine regulatory landscape inside-out.
You want experience.
Our team has produced over 45 reports across multiple sectors.
You want real partnership.
We don’t hand you templates—we work with you to craft the story.
You want trust.
We’re licensed sustainability report assurers, not just writers.
What We Stand For
We’re guided by the same values we help you report on. At GCSS Inc., we believe that sustainability isn’t just an output—it’s a mindset. Here’s what shapes the way we work:
We listen first.
We simplify the complex.
We practice what we preach.
