Responsible growth, credibly reported.
GCSS, Inc. helps publicly listed Philippine companies turn ESG compliance into strategic advantage — through reporting, assurance and corporate training built for the local context and aligned to global frameworks.
30+
Clients
7
Frameworks aligned
2017
Established
60+
Reports Released
Built around IFRS S1IFRS S2GRI Standards TCFD SASB GHG Protocol UN SDGs
The reality on the ground
Higher ESG expectations.
Not enough clarity.
Philippine listed companies face mounting pressure from the SEC, global investors and stakeholders — but generic templates and offshore consultants rarely fit the local landscape. GCSS exists to close that gap.
Compliance is confusing
GRI, TCFD, SASB, IFRS S1/S2 and SEC SuRe — overlapping expectations, moving targets.
Templates don’t tell your story
Boilerplate reports protect no one. Investors and regulators read past them.
Global firms miss the local landscape
Philippine regulation, industry context and stakeholder dynamics need lived experience.
Assurance feels like a black box
Most teams aren’t sure what an external assurer actually checks — or how to be ready.
We co-build ESG narratives that are measurable, meaningful, and tailored to your business — from strategy through assurance.
Four pillars
The foundation of how we support long-term value.
Not buzzwords. Each pillar is a working practice with its own methodology, deliverables and senior leads.
Pillar 01
Sustainability
Your roadmap to responsible growth.
From disclosures to ESG strategy, we co-build reports aligned to GRI, TCFD, SASB and IFRS S1/S2 — credible to your board, investors and regulators.
Pillar 02
Resiliency
Beyond climate — built to adapt.
Pillar 03
Productivity
Operations that turn waste into value.
ISO certification readiness, Lean Six Sigma and management systems that reduce waste, raise efficiency and surface measurable ESG returns.
Pillar 04
Sociability
A future-ready workforce.
Interactive corporate training in soft skills, leadership and organisational development — built around how Philippine teams actually learn.
Core services
Everything you need to start — or scale — ESG.
We move from strategy through reporting to assurance, with the same senior team end-to-end. No handoffs, no template-led shortcuts.
Sustainability Reporting
Co-created ESG reports aligned to GRI, IFRS S1/S2, TCFD and SEC SuRe — narrative, data and design built to brief your board and investors.
External Assurance
Licensed assurance under AccountAbility (UK). Independent review that strengthens credibility of your disclosures.
ESG Strategy & Risk
Materiality, climate-risk integration and roadmaps that connect sustainability commitments to operational decisions.
Environmental & Energy Systems
ISO 14001 / 50001 readiness, environmental performance baselines and energy-management programs.
Corporate Training
Interactive learning for boards, sustainability teams and frontline staff — practical, contextual, and locally grounded.
Reporting Design & Communications
Data visualisation, editorial design and digital communications that make complex ESG information genuinely readable.
The intelligence layer for your ESG data
Our purpose-built platform unifies sustainability data, materiality, climate risk and GHG inventory into one auditable workspace — aligned to IFRS S1/S2, GRI, TCFD and SASB out of the box.
ESG Data Tracker
Materiality Studio
Climate Risk Assessor
GHG Calculator
Banking & Finance
Telecom
Mining
FMCG
Food & Beverage
Oil & Petroleum
Hospitals & Healthcare
Construction & Real Estate
Business Conglomerates
Industries we serve
Trusted by leaders across the PSE.
Including the top Publicly Listed Companies (PLCs) in the Philippines not because we’re the biggest, but because we’re the best fit for the Philippine context.
Our edge
We don’t talk about sustainability.
Collect data once and map it automatically to GRI, IFRS S1/S2, SASB and TCFD. Every figure carries an owner, source and verification status — so your sustainability report is audit-ready the moment you publish it.
- Designed for Philippine regulation and business context
- Direct senior access — no bureaucracy, no generic outputs
- Every report uniquely developed and industry-aligned
- Licensed assurers — we validate the data and the story
45+
Sustainability reports delivered for Philippine listed firms
7
Global frameworks we actively align clients to
2017
Established — local expertise built over years, not decks
UK
Licensed assurance provider under AccountAbility
“The future depends on what you do today.”
Mahatma Gandhi — a reminder of why this work matters.
Give your ESG team
the lens.
A 20-minute walkthrough with our team — bring your reporting pain points, leave with a clear path to audit-ready disclosure.