Interim Finance Manager – Cash & Close, VC‑Backed Energy SaaS (6m)

Company: Harmonic Finance™ | Certified B Corp
Apply for the Interim Finance Manager – Cash & Close, VC‑Backed Energy SaaS (6m)
Location: London
Job Description:

Harmonic is seeking an Interim Management Accountant to join the finance team in London on a 6-month, day-rate contract. The role covers cash management, month-end close, and full bookkeeping across the group’s entities.

You will own the close process, balance sheet reconciliations and journals, with potential extension based on performance. Reporting into the Head of Finance, you will drive automation, improve processes and support the year-end audit, while maintaining robust controls and

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Posted: November 9th, 2026