Office Manager - London

JJ Rhatigan is a leading main contractor with over 70 years’ experience delivering high-quality, sustainable construction projects across Ireland and the UK. As a family-founded business, we have built a reputation for excellence in health and safety, quality of finish and overall project delivery. Our portfolio spans residential, commercial, education, healthcare and mixed-use developments, combining technical expertise with a collaborative and integrity-led approach. Our UK business continues to grow, supported by a strong pipeline of work and long-standing client relationships.

We are seeking an experienced, organised and proactive Office Manager to take responsibility for the smooth day-to-day running of our London office. This is a varied, hands-on role covering office operations, facilities, administration and coordination across the UK business.

The Office Manager will have a dotted reporting line to the UK Managing Director, work closely with our marketing and bid team, and provide support to the wider leadership and project teams.

We are looking for someone who is comfortable taking ownership of a busy office environment, managing multiple priorities and ensuring tasks are followed through. The successful candidate will be confident working independently, maintaining accurate records and systems, coordinating with internal teams and external suppliers, and identifying practical ways to keep the office running effectively. This role requires someone who has previously taken ownership of office operations rather than solely providing reception or general administrative support.

About This Role Key Responsibilities Office Operations & Administration

• Take ownership of the day-to-day running of the London office, ensuring it remains organised, professional, well maintained and appropriately stocked.
• Coordinate meeting room bookings, prepare rooms for meetings and welcome and direct visitors.
• Answer and direct calls to the main office number and manage general office enquiries.
• Coordinate post, deliveries and couriers, and order stationery, kitchen supplies and other office essentials.
• Liaise with suppliers, contractors and service providers and coordinate office maintenance requirements.
• Coordinate meetings and company events, including bookings, catering and practical arrangements.
• Collate and format monthly Senior Leadership Team reports using information provided by the relevant teams.
• Maintain accurate office records, trackers and documentation, including organised information on SharePoint.
• Provide administrative and coordination support to the leadership, marketing, bid and project teams as required.
• Proactively identify and resolve day-to-day office issues and look for opportunities to improve office processes and ways of working.

Business & Project Support

• Manage phone portal invoices and associated site costings, maintaining accurate records and liaising with the relevant internal teams.
• Coordinate servicing and maintenance bookings for company cars and vans.
• Liaise with the Accounts team regarding vehicle insurance and tax renewals, ensuring relevant information and documentation is kept up to date.
• Coordinate the ordering and distribution of technology and communications equipment for sites and employees, including phones, dongles and other required equipment.
• Support project and site teams with general office-based administration and operational requirements

New Starter & Employee Support

• Work closely with HR and IT to support the practical onboarding of new starters, coordinating workstations, equipment, welcome materials and office arrangements.
• Support new employees in becoming familiar with the office, its facilities and day-to-day procedures.
• Provide a helpful and professional point of contact for employees requiring general office support.

Health, Safety & Office Standards

• Maintain appropriate visitor sign-in and office security procedures.
• Ensure communal and office areas remain safe, clean, organised and maintained in line with company standards.
• Raise and coordinate office maintenance, facilities or safety issues with the appropriate internal team or external provider.