Office Manager

Adexon Fire & Smoke Curtains, part of Cubex (UK) Ltd, designs and manufactures next-generation fire and smoke curtain systems, setting new benchmarks in safety, reliability, and performance.

We operate largely as a specialist subcontractor in the construction industry, delivering high-quality systems and services to major contractors and developers.

As Adexon continues to scale, we are looking for an experienced and highly organised Office Manager to oversee the smooth day-to-day running of our Liverpool office and support business operations across departments.

This is a key role in a fast-growing business, ensuring strong internal systems, efficient administration, and professional coordination across finance, projects, sales, and leadership.

The ideal candidate will have 5–10 years of relevant experience
, strong operational capability, and an accounting background (AAT Level
4) to support financial administration where needed.

• Manage daily office operations to ensure an organised, efficient workplace
• Coordinate suppliers, office resources, and service providers
• Support internal process improvements across departments
• Assist senior leadership with business administration and operational planning

• Oversee invoicing, expense processing, and basic bookkeeping coordination
• Liaise with external accountants and support year-end preparation
• Track records for VAT, CIS, payroll inputs, and compliance administration
• Maintain accurate documentation and data integrity

• Support implementation and management of internal business software
• Help assess new tools to improve efficiency (e.g., Simpro, Plan Radar, Fieldwire)
• Coordinate onboarding and internal training on systems and processes

• Act as the central point of contact for office-based queries
• Coordinate with project teams to ensure timely administrative support

• 5–10 years’ experience in office management, operations, or business administration
• AAT Level 4 Diploma in Professional Accounting (preferred)
• Strong organisational skills and attention to detail
• Confident managing multiple priorities in a growing SME environment
• Proficient in Excel/Google Sheets and office systems
• Strong communication skills (written and verbal)
• Experience with ZOHO CRM (beneficial)
• Experience in construction or subcontractor environments
• Familiarity with Zoho CRM, Zoho Projects, or similar systems
• Experience supporting senior leadership teams
• Understanding of basic financial compliance (VAT/CIS processes)

• £40,000 base salary + Benefits
• Opportunity to shape office systems in a scaling business
• Supportive, high-performance team environment
• Long-term progression as Adexon expands rapidly