Sustainability Strategy Leader

1 day ago


London, Greater London, United Kingdom Sillion Full time

Sillion is a forward-thinking consultancy driving the sustainability transition. Our advisory business combines technical expertise, proprietary modelling tools, and stakeholder understanding to deliver actionable insights for clients.

The Opportunity

We are developing an advanced approach to climate scenario analysis, transition risk, and decarbonisation modelling. The consulting team provides expert advice on comprehensive sustainability strategies, regulatory compliance, and sustainable growth opportunities.

Our in-house proprietary modelling tool refines challenges pertaining to sustainability strategy and disclosure. We successfully deliver this product to FTSE100 and FTSE250 clients across various sectors, from automotive to industrials.

We seek a Head of Sustainability Consulting to build out our consulting offering, incorporating data from the proprietary modelling tool into client engagements.

Role Overview

As Head of Sustainability Consulting, you will lead our sustainability consultancy team, define product offerings, manage account teams, convert new business leads, and shape the company's strategy and structure. You will work closely with the Head of Modelling to integrate ESG modelling outputs into the consulting team's product offerings.

  • Contribute experience and insight to Sillion's strategic direction and offering, especially around our consulting proposition.
  • Develop and deliver compelling proposals, generate new leads, and contribute to business development and revenue growth.
  • Provide senior oversight of multiple projects, ensuring account teams deliver high-quality outcomes to clients, on time and within budget.
  • Collaborate with our in-house modelling team to analyse sustainability data and provide actionable insights for clients.
  • Perform line management duties, including conducting performance reviews, setting goals, and providing mentorship and career development guidance to consulting team members.
Required Skills and Qualifications
  • 10+ years of overall experience, 5+ years in consultancy, 3+ years in the sustainability space.
  • Proven track record in sustainability consulting with a deep understanding of corporate net zero strategies and UK disclosure regulations in ESG and sustainability.
  • Detailed understanding of C-suite and Board perspectives and requirements regarding sustainability – and how to credibly deliver strategic business advice which resonates with senior stakeholders.
  • Strong strategic thinking skills and the ability to identify and capitalise on growth opportunities for our consulting proposition.
  • Strong management capabilities – you enjoy managing and developing high-trajectory teams.
Salary and Benefits

We offer a competitive salary (£80,000 - £110,000 depending on experience), full private health insurance, generous parental leave schemes, a paid work away week with stipend in the summer, and a suite of other benefits.



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