Founder’s Executive Assistant

About the Job

🎯 Founder’s Executive Assistant

🌍 London, N4

🏛️ 4 days in our office, 1 day working from home

🤝 Reporting to Founders

💰 £30-£50K per annum (depending on experience) + equity

Help us reshape how materials are made.

Shellworks is on a mission to make plastic waste a thing of the past. We’re building a new generation of materials - ones that are truly sustainable, uncompromising in performance, and designed to disappear.

We're now looking for a sharp, curious, and driven Founder's Executive Assistant to join our small team and work directly with our founders to help take Shellworks to the next level. If you thrive on variety, love solving hard problems, and get energy from jumping in wherever needed, this role might be for you.

About the Role

As part of our fast-paced, collaborative environment, you'll have the opportunity to make a tangible impact on the planet while growing your expertise. If you're passionate about using your skills to solve complex challenges and create a better future, this is the perfect role for you.

Our Ideal Candidate

Must-haves:

• 2–3 years of experience supporting founders or senior executives in a fast-paced startup or scale-up environment.

• Proven experience managing complex calendars, travel, and logistics with high attention to detail.

• Strong written and verbal communication skills; able to liaise confidently across teams.

• Experience coordinating HR, legal, and finance administrative tasks.

• Highly proactive, organised, and able to prioritise effectively in a dynamic environment.

Nice-to-haves:

• Familiarity with HR or finance software such as Xero, CharlieHR, or PayCircle.

• Experience managing internal culture initiatives (e.g., team lunches, offsites, onboarding).

• Exposure to legal admin processes (e.g., NDAs).

• Experience managing shared inboxes or social media accounts (Instagram, business development).

• Event or project coordination experience.

Key Responsibilities

Executive Support

• Manage complex calendars, schedule meetings, and handle travel coordination for both founders.

• Support with personal logistics that overlap professional life (e.g., visas, medical appointments).

• Anticipate founders’ needs and proactively manage competing priorities.

Operations & Administration

• Own HR admin processes including onboarding, milestones, and internal events.

• Manage day-to-day office logistics, ensuring the team has what they need to operate smoothly.

• Support legal admin tasks including NDAs and document filing.

Finance & Business Development

• Manage multiple inboxes (i.e finance, business development, general inquiries).

• Monitor the business development inbox and Instagram DMs, responding professionally and flagging priorities.

• Coordinate with external finance and business development teams when required.

Culture & Communication

• Plan and execute team lunches, celebrations, and social events to maintain company culture.

• Friendly, trusted point of contact for the broader team.

Our Benefits

🌴 21 days holiday + birthday off + 27-31st December, in addition to all statutory and public holidays

📚 Opportunities for growth and development as we expand and scale our impact

🥼 Access to a fully kitted out on-site lab and pilot line workshop

👍 Competitive salary and equity options

🎉 Regular social events and fully stocked office kitchen

🐚 Part of a tightly knit team aiming to make a meaningful social impact

Hiring Process

📞 Initial Chat
💭 Technical task
🗝️ Onsite

Our Values

It Can Be Done We believe anything is possible. We're action-oriented doers who jump in to proactively solve challenges.

Masters of Our Craft Driven by curiosity, we constantly expand our skills to deliver work that exceeds expectations.

Ambitious By Nature We set ambitious goals and push ourselves beyond comfort zones, taking ownership of the journey.

We're Singular We operate as one cohesive team, valuing our diversity and putting the mission above egos or silos.

Join Our Mission

Becoming a part of Shellworks means being part of a team that’s passionate about sustainability and innovation. Our world-class team includes experts in materials science and visionary entrepreneurs dedicated to creating a better future. Together, we’re redefining what’s possible.

Are you ready to help us lead the way in sustainable materials? Apply now and be part of something truly impactful.