Finance & Business Support/Office Administrator

Insight Select LtdLondonreedpublished 11/10/2026

Finance & Business Support Administrator | £38,000 - £45,000 | City of London (1-day WFH)

A growing and well-established business based in the City of London, is seeking an experienced Finance & Business Support/Office Administrator to support day-to-day finance operations while ensuring the smooth running of a busy office environment. This is an excellent opportunity for someone who enjoys a varied role combining accounts administration, office management, staff support, and operational coordination.

Role & Responsibilities

  • Manage purchase ledger activities, including processing invoices, maintaining supplier records, reconciliations, and weekly payment runs
  • Support sales ledger and credit control processes, including invoicing, receipt allocation, and debtor management
  • Experience managing CIS submissions and domestic reverse charge VAT requirements, ensuring accurate processing, compliance, and reporting in line with HMRC regulations
  • Act as the first point of contact for the office, managing facilities, suppliers, contractors, office services, and administrative support
  • Coordinate staff administration, onboarding, records management, training logs, and office equipment requirements

Essential Skills & Experience

  • Previous experience in finance administration, accounts, bookkeeping, or a similar finance support role
  • AAT qualified or studying towards
  • Strong understanding of purchase ledger, sales ledger, reconciliations, payments, and credit control processes
  • Good working knowledge of Microsoft Excel, including lookups, SUMIF/SUMIFS, filtering, and PivotTables
  • Experience using accounting systems, with Sage 50 knowledge highly desirable
  • Highly organised with excellent communication, administration, and stakeholder management skills

Package

  • £38,000 - £45,000 salary depending on experience
  • Permanent opportunity with broad responsibilities across finance and office operations
  • Supportive and collaborative working environment