Fractional Head of Finance

Finance leadership for founders who've just raised.

Investor-grade reporting, runway modelling, and the automation to run it day to day, without hiring a full finance team before you need one.

Cash runway across 5 markets+20 months
Series A ext. Series A2 Aug 2025 Apr 2027
20 mo
runway extended across two raises
£90k+
annualised vendor savings negotiated
£114,892
R&D tax credit secured
5–6 days
month-end close, five entities
Arnold Mavunga
Who's behind this

Not just a name on a website

I'm Arnold: CIMA-qualified, with 10+ years building finance functions inside high-growth technology companies, including Netflix, VEED.io, and Tilt. I've directed fundraising rounds, reported straight to boards and investors, and built the automation that keeps month-end close down to days, not weeks.

Founder, Artama
What I bring

Board experience, not just bookkeeping

I've sat inside the finance seat at a VC-backed company through two fundraising rounds, not advised from outside it. That's a different kind of help than most fractional finance support.

Board & fundraising

Two Series A rounds directed end to end: investor negotiations, cap table, board resolutions. I know what your board actually wants to see, because I've built the pack that goes in front of them.

Builds the stack, not just reports on it

Snowflake data warehouse, automated bank reconciliation, real-time margin and payment-cost analytics. You get a working system handed over, not a slide deck telling you to go buy one.

Multi-market, proven on paper

Five markets, three currencies, multi-GAAP compliance, US entry planning. If you're expanding beyond your home market, the operational groundwork is already familiar.

Who this is for

A specific stage, not every company

If most of these are true, this is worth a conversation.

Raised in the last 6–18 months

Investor reporting pressure is live, not theoretical

15–100 people

Too complex for a bookkeeper, not ready for a full-time senior hire

No Head of Finance or FD in place yet

A founder, or a Finance Manager, is currently absorbing the gap

Marketplace, platform, or SaaS

Where the payment architecture and unit economics get genuinely complex
Where to start

A bounded first step, not a big commitment

Runway & Reporting Health Check

Two weeks, fixed fee

Built to surface what's actually costing you time or money right now, and hand you something your board can use immediately.

  • A clean burn and runway model, built or rebuilt from your current numbers
  • A gap analysis on your investor reporting: what's missing before your next board update
  • One concrete automation win you can put in place immediately
Book an intro call 20 minutes. No pitch, just your situation.