Cost Accountant jobs in United Kingdom

ThrustMe is a fast-growing deep-tech industrial company, driven by innovation and sustainability. As a pioneer in advanced in-orbit propulsion solutions for satellites, we became the first in the world to demonstrate an iodine-fuelled electric propulsion system in space. Today we are leading the industrial space era, delivering systems at scale to clients worldwide. With more than 200 systems launched and a new product line coming to market, we are scaling rapidly and strengthening our global presence.

We are now looking for a Senior Accountant to join our Finance team.

As Accountant, you will play a key role in managing and structuring ThrustMe’s accounting activities.

Reporting to the CFO, you will ensure the accuracy, reliability, and timeliness of our financial data, from day-to-day operations to monthly and annual closings.

You will also contribute to the continuous improvement of accounting processes as we scale from a fast-growing startup to an established industrial leader.

• Manage day-to-day accounting operations (general, suppliers, and customers).
• Record clients and suppliers invoices and reconcile financial transactions, ensuring compliance with accounting standards.
• Prepare monthly and annual closings, supporting accurate and timely reporting.
• Support the CFO in the preparation of financial statements and management reports.
• Contribute to cashflow monitoring, expense control, and cost allocation processes.
• Prepare and file tax declarations (VAT, CFE, CIT, etc).
• Participate in the deployment of new tools and procedures to digitalize and streamline accounting operations.
• Ensure compliance with internal controls and legal obligations.

• Degree in Accounting (DCG, DSCG, Master CCA, DEC), Audit, Finance, or a related field
• 3–7 years of experience in a similar position, ideally within an industrial and international environment.
• Strong technical knowledge of French accounting standards and financial reporting.
• Experience in managing full-cycle accounting (suppliers, customers, general ledger, closings).
• Hands-on, detail-oriented, and comfortable working autonomously in a dynamic scale-up context.
• Proactive mindset, with an appetite for process improvement and digital tools (ERP systems, digital accounting tools etc…)
• Fluent in French and English, both written and spoken.

• A key role in a fast-scaling deep-tech company shaping the future of space mobility.
• The opportunity to structure the accounting function.
• A collaborative environment, working closely with the CFO and other key stakeholders.
• A diverse, international, and passionate team committed to making the impossible possible.