Interim Financial Accountant | Global Creative Media Agency | 6 month Contract

Company: Harmonic Finance™ | Certified B Corp

Location: London

Posted: April 11th, 2026

Interim Financial Accountant | Global Creative Media Agency | 6 month Contract

Interim Financial Accountant | Global Creative Media Agency | 6 month Contract

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Finance & Ops Recruitment | Music & Live Entertainmentmatt.horsfall@harmonicfinance.com

Interim Financial Accountant | Global Creative Media Agency | 6 month Contract

Harmonic are thrilled to be working exclusively with one of the most respected and globally known creative marketing agencies in the search for an Interim Financial Accountant during an exciting period of change. This position will play a key role as the business grows and will sit Outside IR35.

The Client:

Our client are one of the largest marketing and communications agencies, operating across several continents and with a main hub based in London. Due to their presence, there is a strong team across all departments with senior leaders that have fantastic careers in the space.

Over the last 18 months, they have grown by nearly 20% in terms of headcount, with revenue set to continue growing over the next 2 years. This branch of the group work directly with brands to create original, strategic, collaborative partnerships and campaigns.

With a fantastic office space in the heart of Central London, they are a values driven business making a direct impact working with some of the leading names across tech, media, sports and entertainment.

The Role:

As the Interim Financial Accountant, you will report directly to the Finance Director and play an integral role in supporting the company’s financial operations. You will ensure accurate and timely financial reporting, provide key insights into financial performance, and support strategic financial decisions as the company scales. There will also be several key system and change transformation projects to lead on allowing the finance director to continue with their strategic responsibilities.

Key Responsibilities:

What we need to see (essential):

What we need to see (bonus):

Location: London (2 days in the office)

Start Date: ASAP

Contract Length: 6 months, with potential to extend and transition to a permanent role.

If this is something of interest, please get in touch with your CV at matt.horsfall@harmonicfinance.com or give me a call on 0203 773 3530

At Harmonic, we are dedicated to fostering an inclusive and equitable workplace. We actively welcome applications from individuals of all backgrounds and assure you that every candidate will be thoughtfully considered for the roles we represent, without regard to race, religion, gender expression, disability, or sexual orientation.

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