Shaping Sustainable
Business in Asia-Pacific
Expert sustainability consulting and education helping organisations build credible ESG strategies, meet disclosure requirements, and develop internal capability — grounded in research and practice.
What We Do
End-to-end Sustainability Services
From strategy through to disclosure — we support organisations at every stage of their sustainability journey.
Sustainability Strategy
Materiality assessments, ESG roadmaps, and SDG alignment tailored to your industry and stakeholders.
Climate Risk & Disclosure
TCFD-aligned climate risk assessments, scenario analysis, and IFRS S1/S2 compliance support.
Sustainability Reporting
GRI Standards, integrated reporting, and assurance-readiness reviews that stand up to scrutiny.
Training & Education
Custom workshops, executive sessions, and self-paced online courses for your teams.
Supply Chain Sustainability
Scope 3 mapping, supplier assessments, and responsible procurement frameworks.
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Research-led.
Practically applied.
Why Apex SI
The difference that matters.
Academic Rigour
Our work is grounded in peer-reviewed sustainability accounting research published in A-grade journals — not just practitioner opinion.
Asia-Pacific Expertise
Deep knowledge of AASB S2, SGX, Bursa Malaysia, CSE ESG guidelines, and the regulatory landscapes shaping the region.
Global Frameworks
IFRS S2, GRI, TCFD, GHG Protocol — the standards your investors, auditors, and regulators across the world expect.
Online Education
Self-paced Courses
Learn at your own pace. Earn a verified certificate on completion.
Sustainability Accounting & Reporting
A comprehensive self-paced course covering GRI, IFRS S1/S2, GHG Protocol, and climate disclosure frameworks — with real Sri Lankan case studies. Suitable for finance professionals and senior management.
View courseLatest Insights
From Our Founder
From Greenwashing to Green Credibility: The Role of Assurance
Third-party assurance of sustainability disclosures is increasingly expected by investors and regulators. Here's why it matters and how to approach your first assurance engagement.
Upekha Atupola · November 30, 2025
GHG ProtocolThe CFO's Guide to Scope 3 Emissions: Where to Start
Scope 3 emissions — the indirect emissions across your value chain — can represent over 70% of a company's total footprint. For most CFOs, they're also the most daunting. Here's a practical starting framework.
Upekha Atupola · October 22, 2025
AASB S2Why Australian Businesses Can't Ignore AASB S2 Anymore
With mandatory climate reporting now law for Group 1 entities, Australian businesses face a new era of accountability. Here's what you need to know and do right now.
Upekha Atupola · September 15, 2025
Ready to advance your sustainability journey?
Whether you need a consulting partner or want to build internal capability, we're here to help.