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Saturnos, Marketing
Copywriter at Saturnos
- Location
- London, United Kingdom
- Compensation
- £50-70k + Equity
We are looking for a world-class Copywriter to join a YC S24-backed startup that is building the AI operating system for the £100B+ UK wealth management industry. This isn't just about finance; it's a creative challenge to make compliance and back-office automation feel human, sharp, and distinctive.
If you have a background in award-winning agencies and premium brands, this is your chance to define the creative soul of a market leader from their London office.
Role overview
As the first dedicated Copywriter, you will define the creative voice for a fast-scaling fintech automating complex wealth management workflows. You’ll transform technical compliance and investment research into a sharp, human, and world-class brand identity. Working directly with the CEO, you will own the written word across every company touchpoint.
About Saturnos
Software · London, United Kingdom · Series A (VC-backed)
Saturn fintech Limited is a UK-registered software platform provider specializing in an AI-powered operating system for wealth management. Their platform automates investment research, compliance, and back-office workflows for wealth managers, significantly reducing operational costs and increasing efficiency. The company aims to make wealth management more accessible and scalable by automating manual compliance and administrative tasks, enabling wealth managers to focus more on client engagement and growth. They provide compliance services, back-office automation, and AI-driven tools tailored to the needs of wealth management firms.
Backed by Singular, Shapers, Y Combinator, Zeno Ventures.
What you will do
- Execute a wide range of copy including ad campaigns, video scripts, product UI microcopy, and high-stakes pitch decks.
- Collaborate in-person with a brand designer to create a distinctive visual and verbal identity that disrupts a traditional industry.
- Simplify highly complex financial and regulatory concepts into punchy, clear, and high-trust messaging that resonates with advisory firms.
Who this is a fit for
- Has 5-8 years of experience at award-winning agencies or working with premium, high-trust, or luxury brands.
- Possesses a versatile portfolio demonstrating success across both short-form advertising and long-form narrative formats.
- Thrives in a fast-paced, in-person startup environment and has the drive to build a brand’s entire voice from scratch.
Why this role is remarkable
- Shape the brand identity from the ground up as the first creative hire for a high-growth startup backed by Y Combinator.
- Join a cashflow-positive company with a £15 million Series A and £35bn+ in assets already managed on the platform.
- Work in an environment that prioritizes craft and quality, led by founders with backgrounds in high-scale products for 20M+ users.
How Jack & Jill work together

What happens next?
Jack’s an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack’s network.
If your profile’s a match and Saturnos wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.