At a Glance
- Tasks: Lead financial strategy and support growth in a dynamic B2B SaaS environment.
- Company: Join a high-growth SaaS scale-up with an ambitious leadership team.
- Benefits: Flexible part-time role, competitive pay, and a collaborative culture.
- Other info: Work from a modern office in London, 1 day a week.
- Why this job: Make a real impact on a rapidly expanding business while working closely with innovative teams.
- Qualifications: Experience as a CFO or Finance Director in scaling B2B SaaS companies.
The predicted salary is between 60000 - 80000 £ per year.
The Client
Harmonic are delighted to be supporting a high-growth B2B SaaS business following a successful funding round. The company is experiencing rapid commercial expansion, with ARR anticipated to more than double within the next 12 months. With a strong product offering and an ambitious leadership team, the business is now entering its next phase of scale and requires experienced financial leadership to elevate reporting, support strategic decision‐making, and meet increased investor expectations. This is an opportunity to join a collaborative, low‐ego environment made up of talented technologists and operators, working from a modern office.
The Role
Our client is seeking an experienced CFO or Finance Director to work closely with the CEO and leadership team on a part‐time basis (circa 1 day per week). The company already has a strong Financial Controller managing day‐to‐day finance operations; they require a senior finance leader to professionalise forward‐looking finance, improve FP&A capability, and enhance board‐level reporting following their recent funding round. The successful candidate will bring both strategic oversight and a hands‐on approach, supporting the business through its next stage of growth while building scalable financial processes. Initially, there may be a requirement for increased involvement during onboarding to accelerate impact and ensure a smooth transition.
Key Responsibilities
- Provide strategic financial leadership to the executive team and investors
- Elevate FP&A capability, including forecasting, modelling, and performance analysis
- Improve quality and structure of board reporting and investor materials
- Partner with leadership on commercial decision‐making and growth planning
- Support and mentor the Financial Controller
- Maintain oversight of accounting, reporting, and financial controls
- Lead improvements to financial processes and systems as the business scales
- Support R&D tax credit processes and wider finance projects where required
- Deliver a clear financial "health check" and roadmap for finance maturity
What We Need to See (Essential)
- Proven experience operating as a CFO or Finance Director within a scaling business
- Background in B2B SaaS environments
- Experience supporting businesses through Series A‐C growth stages
- Strong FP&A and investor reporting expertise
- Ability to operate both strategically and hands‐on when required
- Confident working within founder‐led, fast‐paced environments
- Strong stakeholder management skills with non‐finance audiences
- Enjoy working closely with product and technology teams
- Be comfortable operating in a scaling, evolving environment
Location: London Bridge, in office 1 day per week.
Length of Contract: 6 months
Start Date: ASAP
If you are interested – to be considered for the role please apply. Any questions please send through. 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.
Fractional CFO | High-Growth B2B SaaS Scale-Up | London employer: Harmonic FinanceTM | Certified B Corp
Harmonic is an exceptional employer, offering a unique opportunity to work in a collaborative and low-ego environment within a high-growth B2B SaaS scale-up in the vibrant London Bridge area. Employees benefit from a strong focus on professional development, strategic involvement in financial leadership, and the chance to contribute to a rapidly expanding business that values innovation and teamwork. With a commitment to inclusivity and a modern office space, Harmonic provides a rewarding workplace for those looking to make a meaningful impact.
Contact Details:
Harmonic FinanceTM | Certified B Corp Recruitment Team
StudySmarter Expert Advice🤫
We think this is how you could land Fractional CFO | High-Growth B2B SaaS Scale-Up | London
✨Tap into Campus Networks
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We think you need these skills to ace Fractional CFO | High-Growth B2B SaaS Scale-Up | London
Some tips for your application 🫡
Show Off Your Numbers!:In the banking and financial services world, quantifiable achievements are key. Make sure your CV highlights your grades in relevant subjects, any financial certifications you hold, and specific projects where you've delivered measurable results. Employers love to see how your skills translate into real-world success.
Tailor Your Cover Letter to the Role:When applying for a full-time position, your cover letter should make a direct connection between your experience and the job description. Don't just state your enthusiasm for finance—dive into how your background in banking or financial analysis sets you apart. Let your passion shine through while being specific about what you can bring to Harmonic FinanceTM | Certified B Corp.
Include Relevant Financial Software Experience:If you've worked with financial modelling tools or software like Excel, SAP, or specific analytical tools during your studies or internships, bring that up! Highlighting your proficiency can really make your application pop and show you're ready to hit the ground running in a full-time role.
Research and Reflect:Before hitting that 'apply' button on Harmonic FinanceTM | Certified B Corp's website, do a little digging. Look up their recent projects, values, and culture. Reflecting their ethos in your application can make a huge difference and show you’re genuinely interested in being part of the team!
How to prepare for a job interview at Harmonic FinanceTM | Certified B Corp
✨Brush Up on Financial Analysis Skills
Make sure you're well-versed in financial concepts and analytical techniques relevant to banking and financial services. Get comfortable with tools like Excel for modelling or financial forecasting, as technical questions in this area are common during interviews with Harmonic FinanceTM | Certified B Corp.
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✨Show Your Passion for Finance
Since this is a full-time position, employers at Harmonic FinanceTM | Certified B Corp will be keen to see your genuine interest in finance. Be prepared to discuss recent industry trends or news articles that excite you, showcasing your enthusiasm and engagement with the field.
✨Network with Industry Professionals
Before your interview, reach out to current or former Harmonic FinanceTM | Certified B Corp employees on platforms like LinkedIn. They'll offer unique insights into the company's culture and the interview process, which can give us a delightful edge in showcasing a good fit for the team.
