Customer Support Analyst (SQL, Excel, German Speaking) 
Location: London (UK) or Frankfurt (Germany) 
Working Style: Hybrid – remote working with office presence typically once a week

About ESG Book 

Founded in 2018, ESG Book is a global leader in sustainability data and technology. We blend cutting-edge tech with proprietary research to offer ESG and climate data to some of the world’s largest financial institutions. With a collaborative, fast-paced environment, we’re driven by a mission to create meaningful change through sustainable finance solutions. 

Following a successful funding round in early 2025, ESG Book is expanding its technology and client support capabilities to meet the growing demand for ESG data solutions globally. 

Why Join ESG Book as a CAS Analyst? 

We're expanding our Client Advisory & Support (CAS) function to strengthen our client onboarding and technical support capabilities. This role is pivotal in ensuring that clients have a seamless experience getting up and running with our platform, while also resolving any technical issues efficiently. 

Your day to day 

Client Onboarding & Platform Enablement: 

• Setting up client access, permissions, and delivery schedules on the ESG Book platform 

• Guiding new clients through onboarding processes and platform orientation 

• Serving as a key point of contact, particularly for German-speaking clients (e.g. savings banks in Germany) 

Technical Support & Issue Resolution: 

• Handling incoming client support queries via the service desk 

• Investigating and resolve technical problems related to platform access, data, and delivery 

• Using tools like SQL to query databases and Excel for troubleshooting data-related issues 

• Collaborating with tech and product teams to triage complex problems 

Internal Collaboration: 

• Acting as a link between the CAS team and internal stakeholders (Sales, Product, Tech) 

• Supporting Sales Teams with technical documentation and insights on platform functionality 

• Helping develop internal and client-facing documentation and FAQs 

What Skills You’ll Bring (and build on in the role) 

• Strong SQL and Excel capabilities (you’ll be using both daily) 

• Clear communicator with excellent English and German fluency 

• Confident troubleshooting problems and explaining solutions to clients 

• Project management mindset, highly organized, detail-oriented 

• Strong interest in Sustainability or ESG 

Why ESG Book?

A Mission-Led Culture: 

• We’re committed to sustainability and innovation, and you’ll feel that in everything we do. 

A Collaborative Environment: 

• Work in a team where your voice matters  

Opportunities to Grow: 

• Our flat structure and dynamic growth mean there’s room for you to step up, or move into different teams, take ownership, and make a real difference. 

Apply Now 

If you’re excited to be part of a purpose-driven company that values your contributions and offers room to grow, we’d love to hear from you. Join ESG Book and help shape the future of sustainable finance – while building your own, too.