Independent sustainability advisory

Sustainability, turned into action.

Ontos helps businesses, investors and financial institutions turn sustainability priorities into practical strategy, stronger decisions and lasting progress — through advisory projects or embedded interim leadership.

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  • Strategy
  • Responsible investment
  • ESG
  • Climate & nature risk
  • Reporting
Sunlit meeting space overlooking green trees

Clarity when sustainability gets complicated.

Sustainability challenges rarely sit in one place. They span strategy, data, regulation, investment decisions, risk and implementation. Ontos brings those pieces together into a clear direction and practical next steps.

Built around you

Your context, priorities and ambitions shape the work.

Grounded in action

Practical strategies, clear decisions and implementation — not sustainability theatre.

Independent perspective

Objective advice grounded in investment, sustainability and financial-sector experience.

Built for organisations navigating sustainability complexity.

Businesses

Move from sustainability ambition to strategy, governance, data and practical action.

Asset managers

Strengthen responsible investment, ESG integration, portfolio analysis and sustainability practices across the investment lifecycle.

Private equity

Bring sustainability risks and opportunities into due diligence, investment decisions and portfolio value creation.

Financial institutions

Translate sustainability expectations, risk considerations and evolving requirements into practical frameworks and implementation.

Institutional investors

Develop practical responsible investment strategies, assess external managers and understand sustainability-related portfolio risks.

Five ways we work with you.

Advisory projects, or embedded leadership.

Sustainability Strategy & Implementation

Set clear sustainability priorities, assign ownership and build the roadmap that turns them into decisions and action.

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Responsible Investment & Sustainable Finance

Connect responsible investment priorities with policies, decision-making and financing instruments — so they shape how capital is allocated.

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Investment Due Diligence, Climate & Nature Risk

Assess the sustainability risks, practices and evidence behind funds, managers, deals and portfolios — and what they mean for the decision in front of you.

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ESG Data, Reporting & Disclosure

Build reliable ESG data, Scope 1 and Scope 2 emissions baselines and end-to-end sustainability reporting — from data collection to final report.

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05 · New

Interim Sustainability Manager

An embedded sustainability partner for organisations navigating leadership gaps, transformation, new requirements or ambitious sustainability programmes.

Embedded expertise with a defined mandate, clear priorities and practical delivery.

How it works →

Also available: independent live ESG training and workshops, and carbon market feasibility research.

Where sustainability meets decision-making.

Ontos combines sustainability expertise with experience across investment, asset management and financial-sector policy. That perspective helps translate sustainability into the language of decisions — risk, governance, capital and accountability.

Strategic

Start with what matters to the organisation and its stakeholders.

Practical

Turn recommendations into frameworks, responsibilities and actions.

Independent

Provide an objective perspective focused on what is useful, material and achievable.

Sustainability data visualisations on a laptop in a light-filled office

From the bigger picture to the next right step.

Understand

Understand your organisation, context, stakeholders and priorities.

Diagnose

Identify the material sustainability challenges, risks and opportunities.

Prioritise

Separate what matters most from what can wait.

Build

Develop the strategy, framework, governance and tools required.

Implement

Translate ambition into actions, responsibilities and measurable outcomes.

Improve

Review what works, learn from experience and strengthen the approach over time.

Experience across investment, sustainability and policy.

Ontos is led by Pravena Jawahar and brings more than six years of experience across responsible investment, sustainable finance, asset management, institutional investment and financial-sector policy — in Europe and Asia.

Aegon Asset Management

Responsible investments

KWAP

Responsible investment, public pension fund

Securities Commission Malaysia

Sustainable finance policy

Responsible investmentSustainable financeESG integrationClimate riskBiodiversity and nature riskInvestment due diligenceSustainability frameworksStakeholder engagementESG data and reporting

Selected experience.

Drawn from the founder’s prior roles and independent consulting. Organisations anonymised.

Public pension fund

Challenge
Set a clear direction for responsible investment across the fund.
Approach
Developed a three-year sustainability blueprint with targets, policies and exclusions.
Outcome
Adopted by the board, with targets tracked against it.

Institutional investor

Challenge
Understand sustainability practices behind private equity funds and deals.
Approach
Reviewed processes and evidence across more than ten funds and deals (USD 10bn+).
Outcome
Findings and corrective actions tracked to closure.

Asset manager

Challenge
Understand portfolio exposure to biodiversity and nature-related risks.
Approach
Applied the ENCORE methodology across more than 500 equity and fixed income holdings.
Outcome
A documented, reusable analysis of nature-related exposure.

Multilateral development bank

Challenge
Define the sustainability basis of a Sukuk financing instrument.
Approach
Developing the framework, use of proceeds, KPIs and targets.
Outcome
A clearer sustainability rationale for the instrument.

Capital markets regulator

Challenge
Gather market input on a national sustainable finance taxonomy.
Approach
Led the consultation phase, consolidating input from more than 20 organisations.
Outcome
Structured input for consultation responses.

Institutional investor

Challenge
Assess how external managers integrate sustainability in practice.
Approach
Assessed more than ten managers on processes, governance, data and reporting.
Outcome
More consistent assessment and monitoring.

Questions worth asking.

Short perspectives on sustainability, investment and the decisions in between.

ESG data is only useful when it changes a decision.

Responsible investment starts with the investment process.

What good ESG due diligence should tell an investment committee.

From sustainability strategy to implementation: where organisations get stuck.

When does biodiversity become financially material?

Why sustainability reporting should start with the decisions it needs to support.

Have a sustainability challenge you’re trying to solve?

Tell us where you are today and what you are trying to achieve. We can start from there.