Office Manager | Professional Legal Firm | London in Slough

The Client

Our client is a highly regarded London-based law firm with a strong reputation for advising successful businesses, investors and high-net-worth individuals in the UK and internationally. Known for its professional yet personable culture, the firm combines the standards of a leading legal practice with a collaborative and supportive working environment. Employees are trusted to take ownership of their roles and are encouraged to contribute ideas that help the business operate more effectively. The firm places real importance on the quality of its workplace and the teams who keep it running smoothly. As a result, operational roles are highly valued, with a genuine opportunity to influence how the office environment supports colleagues across the business.

The Role

This is a fantastic opportunity for an experienced Office Manager to play a central role in the smooth running of a busy and well-established London office. Sitting at the heart of the firm’s operations, the role is responsible for ensuring the workplace runs efficiently day-to-day, creating a professional, organised and supportive environment for colleagues across the business. You will oversee key operational services, manage supplier relationships and support a small team responsible for maintaining the office environment. It’s a varied role that combines operational oversight with practical problem solving. You’ll work closely with senior leadership to maintain high standards across workplace services while also identifying opportunities to improve how things are done. For someone who enjoys taking ownership, building strong relationships and keeping an office running at its best, this role offers a great level of responsibility and variety.

Key Duties

• Oversee the day-to-day operation of office support services including mail handling, document services, records management and general office support.
• Manage relationships with external suppliers responsible for services such as cleaning, maintenance, security and document production.
• Ensure workplace health and safety procedures are maintained, supporting risk assessments, inductions and compliance requirements.
• Supervise and support members of the office operations team, ensuring appropriate coverage and service delivery across the office.
• Monitor the performance and efficiency of workplace services, identifying opportunities to improve processes and service standards.
• Assist with reviewing supplier agreements and operational spending to ensure services remain effective and cost-efficient.
• Coordinate building-related works and liaise with contractors and managing agents when maintenance or improvements are required.
• Provide operational support for workplace initiatives such as office moves, refurbishment projects or service improvements.

What the Client Would Like to See (Essential)

• Previous experience in an office management, facilities, or operational leadership role, ideally within a professional services environment.
• Experience managing internal teams and external service providers.
• Strong organisational skills with the ability to manage multiple priorities in a fast-paced office environment.
• Understanding of workplace compliance and health & safety requirements.
• Excellent communication and stakeholder management skills.
• A recognised health and safety qualification such as IOSH or NEBOSH, or equivalent experience.

What We Would Like to See (Bonus)

• Experience working with digital workplace tools or operational systems.
• Exposure to office moves, workspace upgrades or workplace transformation initiatives.
• A relevant facilities or workplace management qualification (e.g. IWFM).
• Experience supporting operational change or service improvement projects.

Location: London

Salary: £55,000 - £65,000 + bonus + benefits

Start Date: ASAP

At Harmonic, we are dedicated to fostering an inclusive and equitable workplace. We actively welcome applications from individuals of all backgrounds and assure you that every candidate will be thoughtfully considered for the roles we represent, without regard to race, religion, gender expression, disability, or sexual orientation.