Fractional CFO services in London
London is Europe's largest tech ecosystem and the world's second most active fintech hub after New York.
The city has produced more unicorns than the rest of the UK combined - Revolut, Wise, Monzo, Cleo, Octopus Energy and Starling among the most recognisable.
We work with London-based startups from seed to Series B+, supporting them on financial modelling, FP&A, board packs, fundraise prep, cap table management and KPI tracking.
LondonManchesterEdinburghBirmingham
Dublin
Paris
BerlinMunichHamburgFrankfurtCologneStuttgart
MadridBarcelona
LisbonPorto
MilanRome
Amsterdam
Brussels
ZurichGeneva
Vienna
Copenhagen
Stockholm
Oslo
Helsinki
Reykjavik
Warsaw
Prague
Bratislava
Budapest
Bucharest
Athens
Zagreb
Tallinn
Riga
Vilnius
Valletta
New YorkSan FranciscoLos AngelesAustinBostonSeattleChicagoDenverMiamiWashington DCAtlantaSan Diego
TorontoVancouverMontrealCalgaryOttawaWaterloo
Mexico CityMonterreyGuadalajara
São PauloRio de JaneiroBelo Horizonte
Buenos Aires
Santiago
BogotáMedellín
Lima
Montevideo
Panama City
QuitoGuayaquil
Santo Domingo
Tel Aviv
DubaiAbu Dhabi
RiyadhJeddah
Doha
Kuwait City
Manama
JohannesburgCape Town
Lagos
Nairobi
Cairo
Casablanca
Kigali
BangaloreMumbaiDelhi
AlmatyAstana
Istanbul
SydneyMelbourne
AucklandWellington
London startup ecosystem
Largest tech ecosystem in Europe
London has the highest concentration of tech capital in Europe by a wide margin - billions of pounds deployed annually across venture, growth and PE-led rounds. The city has produced more unicorns than the rest of the UK combined.
Fintech is the standout cluster
Revolut, Wise, Monzo, Cleo, Starling and Octopus Energy are all London-headquartered or founded here. The city is the world's second most active fintech hub after New York, with deep regulatory expertise via the FCA and a dense ecosystem of supporting investors.
Distinct tech clusters across the city
Shoreditch and Old Street (Silicon Roundabout) anchor consumer and SaaS. King's Cross is the AI cluster - Google DeepMind, Meta and the Francis Crick Institute. Canary Wharf and the City sit at the fintech, lending and trading core. West London around Imperial College is the deeptech and life-sciences hub.
Engineering and finance talent pipeline
Imperial College, UCL, King's College London and LSE feed engineering, computer science and finance graduates. Cambridge and Oxford alumni are a strong feeder pipeline. The city's investment-banking and consulting base provides a deep secondary supply of senior finance and operating talent.
Accelerators and angel networks active in London
London hosts Europe's deepest mix of accelerators and angel networks. These are the most active programmes founders consider when raising at pre-seed and seed in the city.
Seedcamp
Seedcamp is Europe's foundational seed fund, founded in London in 2007. Backs pre-seed and seed companies across fintech, SaaS and consumer with tickets typically €100k–€500k. Portfolio includes Wise, Revolut, UiPath and Robin AI.
Entrepreneur First
Entrepreneur First is London-headquartered and operates a talent-investor model - recruits potential founders pre-team and forms companies in cohorts. Notable portfolio: Magic Pony Technology (acquired by Twitter), Tractable, Cleo and Stori.
Techstars London
Techstars London is the London cohort of the global Techstars accelerator network. Sector-agnostic with strong fintech and consumer track record. Standard $120k investment with mentor-led 13-week programme.
Founders Factory
Founders Factory operates as a corporate-backed venture builder partnered with Aviva, easyJet, Holtzbrinck and others. Runs an accelerator and a venture studio targeting fintech, healthtech, climate and AI.
Antler London
Antler London is the London cohort of the global Antler pre-seed venture programme. Recruits potential founders, supports company formation and invests €100k+ tickets. Heavy AI and SaaS focus.
UK Business Angels Association
UKBAA is the trade association coordinating much of the UK structured angel scene - Cambridge Angels, London Business Angels, Envestors and the broader syndicated angel community. Useful starting point for founders mapping the angel landscape.
London startup accountants vs Flow fractional CFO
Most London startups work with a chartered accountancy firm for tax, payroll and Companies House filings. That role is essential and required by law - but it does not replace a fractional CFO.
Statutory accounts, corporation tax, VAT and payroll. The firms most-used by London venture-backed startups.
- Cooper Parry
Startup-focused chartered firm with a deep VC-backed and high-growth client base.
- BDO
Top-six firm with a large tech and growth-stage practice covering Series A through pre-IPO.
- Saffery
Boutique chartered accountants with a long-standing tech, media and creative industries practice.
- Haines Watts
Mid-market firm strong in SME and owner-managed business advisory, with growing startup coverage.
- Crowe UK
Mid-market accountancy network covering tax, audit and advisory for growth-stage companies.
Financial modelling, FP&A and fundraise prep. We work alongside your accountant - not instead of them.
- Builds the financial model - revenue assumptions, headcount, unit economics, runway.
- Sets up the monthly FP&A cycle: budget, forecast vs actual, variance analysis.
- Puts together the monthly board pack - P&L, cash, KPIs and forward outlook.
- Prepares the fundraise: investor model, deck financials, data room and diligence prep.
- Keeps the cap table tidy and handles EMI option grants and HMRC valuations.
- Reports on the KPIs that move the business - ARR, gross margin, CAC payback, retention.
- Pressure tests hiring, pricing and big spend decisions against the model before the founder commits.
- Sits in board meetings and is embedded week-to-week, not just engaged annually for compliance.
We provide fractional CFO services across London and beyond
Simple pricing
No hidden costs, no complicated long-term contracts. We understand how important flexibility is for London startups.
Per month
- Accounting / FP&A tech stack implementation
- Monthly financial statements and reporting pack
- Quarterly board pack with detailed financial analysis (with variance analysis vs. budget, relevant KPI observations etc.)
- Investor-friendly output
Per month
- Everything in Core, plus
- Operating model (via an online platform like Runway or Excel-based)
- Ongoing model maintenance, refining projections, burn/runway management
- Customer cohorts modelling, churn and retention analysis
- LTV / CAC, unit economics analysis
- Cap table management
Per month
- Everything in Grow, plus
- M&A / fundraising support; review of business plan
- Pitch deck preparation
- Investor approach strategy / list building
- Due diligence support and deal negotiation
- Valuation as required and free access to Multiples Pro
Packages shown are illustrative, final pricing is tailored to client requirements.
Recently completed fractional CFO projects
Selected fractional CFO engagements and prior CFO experience.
Got questions?
Schedule a call ordrop us an email to learn more about our CFO-as-a-service, capital raising and M&A advisory offering.
Talk to us
Schedule a call to get a health check on your business and see how we could help.
Fractional CFO
- Fractional CFO for Software
- Fractional CFO for AI & ML
- Fractional CFO for Fintech
- Fractional CFO for Consumer internet
- Fractional CFO for Digital media
- Fractional CFO for E-commerce & marketplaces
- Fractional CFO for Consumer products
- Fractional CFO for Mobility
- Fractional CFO for Digital health
- Fractional CFO for Industrial technology
- Fractional CFO for Digital infrastructure
- Fractional CFO for IT services
Stages
Countries
- UK Fractional CFO
- Ireland Fractional CFO
- France Fractional CFO
- Germany Fractional CFO
- Spain Fractional CFO
- Portugal Fractional CFO
- Italy Fractional CFO
- Netherlands Fractional CFO
- Belgium Fractional CFO
- Switzerland Fractional CFO
- Austria Fractional CFO
- Denmark Fractional CFO
- Sweden Fractional CFO
- Norway Fractional CFO
- Finland Fractional CFO
- Poland Fractional CFO
- Estonia Fractional CFO
- US Fractional CFO
- Canada Fractional CFO
- Mexico Fractional CFO
- Brazil Fractional CFO
- UAE Fractional CFO
- Australia Fractional CFO
Cities
- London Fractional CFO
- Dublin Fractional CFO
- Paris Fractional CFO
- Berlin Fractional CFO
- Madrid Fractional CFO
- Lisbon Fractional CFO
- Milan Fractional CFO
- Amsterdam Fractional CFO
- Brussels Fractional CFO
- Zurich Fractional CFO
- Vienna Fractional CFO
- Copenhagen Fractional CFO
- Stockholm Fractional CFO
- Oslo Fractional CFO
- Helsinki Fractional CFO
- Warsaw Fractional CFO
- Tallinn Fractional CFO
- New York Fractional CFO
- Toronto Fractional CFO
- Mexico City Fractional CFO
- São Paulo Fractional CFO
- Dubai Fractional CFO
- Sydney Fractional CFO