Administrative Assistant & Office Manager (London)

About the role

Arendt is seeking an Administrative Assistant & Office Manager to support its London office. The role combines day‑to‑day administrative duties with full personal‑assistant support for two partners, ensuring smooth operations and a high level of service for clients and staff.

Key responsibilities

• Manage daily administrative and secretarial tasks, including answering calls, welcoming clients, handling mail and organising internal and external meetings.
• Provide full PA support to two partners – complex diary management, international travel coordination, timesheet and expense handling, and ad‑hoc tasks.
• Oversee office logistics such as supplies, equipment, facilities and liaise with local suppliers and service providers.
• Coordinate housing and relocation matters for expatriates, including apartment management, residence planning and onboarding support.
• Assist in organising client events, presentations and internal office activities.
• Act as the primary point of contact with the Luxembourg office to ensure seamless day‑to‑day operations.
• Perform any additional administrative duties required to support the team.

Required profile

• Fluent in French and English.
• Up to 4 years of experience as a personal assistant or office manager, preferably in an international or professional‑services environment.
• Excellent organisational skills, ability to multitask and strong attention to detail.
• Service‑oriented mindset with proactive problem‑solving and strong communication skills.
• Ability to work autonomously while being a reliable, collaborative team player.
• High level of discretion, professionalism and resourcefulness.

Required skills

• MS Office

What we offer

• A vibrant social life with numerous events, sports and art activities.
• A multicultural environment with over 50 nationalities represented.
• Commitment to staff well‑being, environmental protection and education support.