Office Manager – Winchester

About the role

We are looking for a proactive and detail‑oriented Office Manager to ensure the smooth operation of our Winchester office. Working closely with senior leadership, you will oversee office administration, finance support, HR coordination and systems management.

Key responsibilities

• Oversee day‑to‑day office activities across multiple locations, managing supplies, PPE, branded materials and equipment.
• Coordinate supplier relationships, utilities and service contracts, and maintain organised document management in SharePoint.
• Support finance functions including processing supplier invoices, banking, reconciliation, expense administration and tracking project‑related costs.
• Generate and issue customer invoices using Xero, manage billing schedules, ensure correct VAT coding and support cash‑flow reporting.
• Assist with employee onboarding and off‑boarding, maintain HR records and manage leaver administration.
• Act as the primary contact for external IT providers, coordinate user accounts, devices and mobile services, and support key business systems.
• Maintain CRM data integrity, support the setup of new projects and opportunities.

Required profile

• Proactive, detail‑oriented and able to work independently.
• Experience in office administration, finance support and HR coordination.
• Strong organisational skills with the ability to improve processes.
• Comfortable working closely with senior leadership and cross‑functional teams.

Required skills

• SharePoint
• Xero accounting software
• CRM systems
• Microsoft Office (Excel, Word, Outlook)