Fractional CFO

If you’re a company that requires the knowledge and expertise of a great CFO, but doesn’t require them on a full-time basis, then a part-time portfolio CFO or FD is the best option for you. We have a community of CFOs who are able to work between 1-5 days a week, on a month to month contract, or a project by project basis.

A CFO is often the best service for organizations who intend to invest in their finance team but need to know more about the status quo before investing. Our part-time CFO services include: fundraising prep, commercial modelling, and a finance health check of your entire business. Clients range from early-stage start-ups, family businesses and Venture Capital funds. Please call us to discuss further.

How we work

Our process has both client and candidate needs at the heart of it.

Finance Health-check

We will provide Financial planning and budgeting, along with support throughout fundraises and creating pitch decks to help get the business in an exit-ready position.

Finance Process Evaluation

Review all processes within the finance team to ensure they are as streamlined as possible.

Framework Building

Framework building, advising clients on how to build and structure a finance team to support with the next phase of growth.


Ensuring that new processes and personnel are embedded to leave clients with a legacy they can build upon. And a function that 'just works'

Our services

Meet our team of highly qualified experts.

Our team is brimming with experience and enthusiasm. No matter where your search will take you, our dedicated consultants will be supporting you at every step.

Find out more

Charlie Walker

Founder & Managing Director

Charlie is the Founder and Managing Director at Harmonic. He has sixteen years in Search and Recruitment (with the prematurely grey hairs to show it) and leads on our Executive Search offering for clients seeking CEO, CFO or COO-level hires. Charlie is a judge for the British Business Awards, is the youngest recipient of the ‘Recruitment International Entrepreneur of the Year’ and holds the staffing and recruitment industry record for the ‘Sunday Times International Track 200’ (#5).

A failed musician and DJ (Charlie was in a band previously with Riz Ahmed of Rogue One / Sound of Metal Fame), he retains a massive passion for the arts and the UK and USA start-up scene. He is trustee for Bookmark Reading Charity and Board Advisor to Impact start-up accelerator: Unrest. He is a proud father to his 2 daughters, Iris and Cleo.

Fin Glanvill

Co-founder & Director

Fin, originally from Edinburgh, has nearly 10 years of experience in the Recruitment industry. Currently leading teams across London, Manchester and the United States, he focuses predominantly on Senior hires into the VC Backed Tech start-up space.

Living in the hipster paradise of Hackney, he is a proud new Dad and has an encyclopedic knowledge of 90’s Italian football.

Charlie Davies

Lead Community Analyst

Charlie's expertise ranges from Fractional CFO hires to support scaling businesses in navigating funding rounds, to Interim Financial Accountants to assist with year-end processes. Specialisms: UK Fintech and Insurtech businesses.

Outside the office Charlie enjoys working out, attending music events and bar hopping in hope to find the perfect pint of Guinness.

Charlotte Humphries

Lead Community Analyst

Charlotte works within the Creative industries, focusing specifically on the Music and Entertainment sector. Charlotte possesses an excellent candidate network and is able to support a variety of finance roles, with a particular specialism across AP, Payroll & Credit Control.

Outside of the office, you will find Charlotte at concerts, trying new restaurants, and exploring London markets!

Ed Naish

Senior Community Manager

With multiple years of recruitment experience, Ed heads up Harmonic’s Interim offering. He works across multiple growth sectors placing contractors ranging from Finance Executives to Transformation specialists.

As our resident music aficionado, music plays an important part in Ed’s life. He boasts a large vinyl collection and loves going to gigs and festivals. Ed also loves exploring some of London’s best pubs and restaurants with his friends.

Ewan Fenley

Lead Community Analyst

Ewan works in our Interim recruitment department specialising in the SaaS &broader Tech sectors. He has cultivated a wide network of clients and candidates within these industries and prides himself on his transparent and efficient approach to interim recruitment.

Outside of the office, Ewan spends most of his time playing rugby, in the gym, or searching for the best coffee shops around London.

What our clients say

We pride ourselves on providing an exceptional service to our clients. Here’s what they say about us.

The team at Harmonic were brilliant, I needed a CFO for a scaling start up, and quickly. They were patient, listened to the company’s needs and turned the role around very quickly. The service was great, and I would highly recommend. Rob Fowler CEO of Volta Trucks

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