The pathway
How you actually get there, here
How you become one varies far more by country than what one does. This is the UK route. Most people take one of these ways in; the right one depends on where you're starting from.
- 1
Senior ESG Consultant (from Big 4 or boutique firm)
You'd usually spend 3-5 years as a Senior Consultant, leading client engagements on ESG strategy, reporting, and integration. This gives you broad exposure to different industries and challenges.Skills to master
- Client relationship management, project delivery under pressure, translating complex regulations into actionable advice, managing junior consulting teams.
You're ready to move on when
- Proven ability to manage multiple complex ESG projects simultaneously for different clients.
- Strong track record of delivering high-quality ESG reports and strategic recommendations.
- Experience in business development or leading proposals for new client work.
- Ability to onboard quickly into a new organisational culture and build internal credibility.
- 2
Head of Sustainability/ESG (from a smaller company)
You might have spent 5-8 years leading the entire sustainability function at a smaller or mid-sized company, wearing many hats and being responsible for everything from strategy to reporting.Skills to master
- Holistic ESG strategy development, managing all aspects of sustainability reporting, budget management, stakeholder engagement across all levels.
You're ready to move on when
- Demonstrable experience in setting and achieving company-wide ESG targets.
- Strong understanding of the full ESG landscape, not just one specialism.
- Proven ability to operate strategically while also being hands-on when needed.
- Experience navigating resource constraints and building programmes from the ground up.
- 3
ESG Lead / Manager (from a larger corporate)
This would typically be a move from a Lead or Senior Manager role within a larger corporate's sustainability team, where you've managed a specific ESG domain or programme (e.g., Head of Climate Strategy, ESG Reporting Lead).Skills to master
- Deep specialisation in a particular ESG area, managing complex projects within a large matrix organisation, influencing without direct authority, navigating internal politics.
You're ready to move on when
- Clear track record of successfully leading a significant ESG programme or workstream.
- Experience managing a small team or mentoring junior colleagues effectively.
- Strong internal network and ability to get things done in a large, complex business.
- Proven ability to present and defend strategic recommendations to senior management.