Account Executive- SaaS Start-up

Account Executive | High-Growth ClimateTech SaaS Start-up | Hybrid- London

A high-growth ClimateTech SaaS start-up is looking for a commercially minded, ambitious Account Executive to become their first dedicated sales hire. With a flood of inbound interest, this is an opportunity to take ownership of the sales process and help scale a platform that's accelerating the UK’s transition to clean energy.

The Company

• Early-stage SaaS business transforming how sustainable home energy solutions are delivered.
• Already supporting 250+ customers across the UK, with strong month-on-month growth.
• Well-funded, mission-driven team building a category-defining product.

The Role

• Manage the full sales cycle from qualified inbound leads through to close.
• Convert a high volume of qualified inbound leads across SMB and mid-market, while also occasionally generating outbound opportunities.
• Build and refine sales processes from the ground up.
• Support large strategic deals alongside the founder and leadership team.
• Identify and implement the tools and systems that will supercharge performance.
• Collaborate closely with Product and Customer Success to ensure client needs are met.

About You

• 1- 4 years of sales experience within a closing role in SaaS or tech.
• Proven self-starter who thrives in fast-paced, unstructured environments.
• Strong communicator who builds trust with clients through authenticity and clarity.
• Strategic thinker with a data-driven mindset and high attention to detail.
• Comfortable working autonomously while contributing to team-wide success.
• A genuine interest in sustainability and technology is a strong plus.

The Package

• Up to £55,000 base salary plus 50% OTE (uncapped).
• Equity options in a fast-growing, purpose-led company.
• 33 days annual leave and option to work remotely abroad for up to 30 days per year.
• Hybrid working – 2-3 days a week in London office.

If you want to join an early-stage company making a real-world impact and be part of a journey from start-up to scale-up, we’d love to hear from you.

Explore a wide range of senior and experienced Sales, Account Management, and Customer Success jobs across the UK and internationally. Arius is a leading sales recruitment agency for companies seeking to recruit experienced Sales and Executive-level professionals. Specialist sectors include SaaS, DeepTech, FinTech, RegTech, AI, Data & Analytics, Financial Crime software, and more.

Arius Ltd is acting as an employment agency in relation to this vacancy.