Agent Administratif jobs in United Kingdom

About the job

FORMANCE is seeking an Executive Assistant & Office Manager to support our Chief of Staff and HR Manager in a fast-paced, high-performance environment.

You’ll be the operational backbone supporting leadership and helping scale the company. This hybrid role combines executive support, administrative coordination, and office management, with plenty of room to grow and shape the scope based on your strengths.

At Formance, we see the office as the heart of our team culture — a place that fosters collaboration, energy, and belonging. As Office Manager, you'll play a key role in shaping this environment while supporting a hybrid setup that balances flexibility and connection.

What you'll do:

Executive Assistant role:

• Undertake all administrative and backoffice tasks (URSSAF, DGIP, OPCO, insurance, Visa requests, etc.)
• Guarantee all pre-accounting to ensure smooth monthly closing and meet all deadlines (Pennylane, Qonto, AGICAP),
• Prepare invoices and oversee supplier payments
• Gather key information for strategic document preparation, reports, presentations and provide administrative support to the Chief of Staff
• Organise company events (onsite and offsite) in France and abroad
• Manage executive & employees travels, booking flights, hotels, and transfers, while anticipating logistical needs.
• Provide day-to-day support on HR-related tasks such as onboardings, offboardings, answer employee’s requests and so on (Payfit)
• Help structure internal processes (Drive, Notion) and ensure smooth internal communication

Office Management:

• Oversee the smooth running of the offices in Paris, Lyon and NYC
• Coordinate with HR, operations and suppliers (supplies, budget, maintenance)
• Act as key liaison with the executive committee. Ensure clear and prompt communication with company executives and follow up appropriately, following processes already in place.
• Help cultivate a great workplace culture and contribute to internal events

This role is evolving and can expand based on your skills, initiative, and interests.

Who you are:

Must-haves:

• Bachelor’s degree (or higher) and 5+ years experience as EA/OM in a startup,scale-up, or high-performing environment (tech, finance, consulting)
• Full fluency in English (C1+) and French
• Deep familiarity with tools like Google Workspace, Slack, Notion, Pennylane, Qonto, Payfit, AGICAP
• Solid financial & HR admin capabilities
• Proven ability to multitask, prioritize, and handle sensitive info with discretion

Traits Sought:

• Hyper-organized and detail-obsessed
• Strong ability to prioritize and meet deadlines
• Proactive, autonomous, and solution-oriented

Benefits

50,000€ /year

• Meal vouchers: €10/day, with €5.50 covered by Formance (optional).
• Health insurance: Full coverage by Formance (Alan Blue plan).
• Public transport: 50% reimbursed.
• Remote work allowance: €50/month + €500 one-time setup bonus.
• Equipment: Latest MacBook Air or equivalent provided.

About FORMANCE:

Formance is building the next-generation financial infrastructure — open-source, developer-first, and built to power the most ambitious fintech products of tomorrow.

Formance is global native and serving enterprise companies around the globe, around the clock, to build and scale their financial applications.

Backed by top-tier investors, we’re a post-Series A company based in the US and France, experiencing rapid growth with offices in Paris, Lyon, and soon New York City.