Fractional CFO for financial services software companies

Financial services software contracts combine subscription with AUM-linked fees, transaction pricing and implementation inside one master agreement. The FI customer base expects SOC 2, ISO 27001 and regulator-aligned controls - obligations that flow back into how the finance function itself runs.

Recurring software ARR has to be visible distinct from AUM- or volume-linked revenue because they're valued very differently. FIG diligence tests controls and audit-readiness line by line, and a finance function that can't produce SOC 2 mapping on request loses credibility.

Flow provides financial modelling, FP&A and fractional CFO advisory to financial services software companies across core banking and lending, capital markets and trading, wealth and asset management, risk and compliance technology, and treasury and back-office accounting. We work as the outsourced startup CFO through growth, fundraising and sale processes.

Marcura
Hector
Testim
Panorays
Percepto
Brew
BetterQA
Voereir
TBô
Onlogist
Bonart
Cannadorf
Cannabis Innovation Center
Seagull Maritime
Moburst
Lemonade
Selina
BiomX
Dataprana
Radtonics
Marcura
Hector
Testim
Panorays
Percepto
Brew
BetterQA
Voereir
TBô
Onlogist
Bonart
Cannadorf
Cannabis Innovation Center
Seagull Maritime
Moburst
Lemonade
Selina
BiomX
Dataprana
Radtonics
Marcura
Hector
Testim
Panorays
Percepto
Brew
BetterQA
Voereir
TBô
Onlogist
Bonart
Cannadorf
Cannabis Innovation Center
Seagull Maritime
Moburst
Lemonade
Selina
BiomX
Dataprana
Radtonics

KPIs to track for "financial services software" startups

We're very 'KPI-driven' fractional CFOs, and we make sure to monitor the right metrics for your startup.

ARR

Net retention

FI logo count

AUM- / tx-linked revenue

Implementation backlog

Renewal rate

Customer concentration

Gross margin

CAC payback

Compliance posture

Financial modelling for "financial services software" startups

As fractional CFOs, we build KPI-driven financial models that are insightful and easy to maintain.

Financial modelling is both art and science - models must be robust, but also understandable, and useful for both internal planning and VC fundraising purposes. Hire a fractional CFO who knows how to handle both sides of the equation.

Recurring vs AUM-linked revenue

Software ARR isolated from AUM- and transaction-linked fees because the two are valued at very different multiples. A blended top line hides the recurring quality that drives valuation.

FI cohort retention & expansion

Net retention at FI-logo level with module attach and seat expansion separated, because financial-institution customers expand slowly and consistently rather than in bursts. Logo concentration makes individual-account modelling essential.

SOC 2 / ISO control mapping

Audit-readiness state maintained continuously and mapped to specific FI procurement and diligence requirements. A finance function that can't produce SOC 2 mapping on request loses credibility with FIG buyers immediately.

Implementation backlog & FI rollout

Project-level implementation pipeline with milestone billings tied to FI go-live schedules, which run on the customer's risk and change-management calendars rather than the vendor's. Backlog conversion is the real read on next year's revenue.

CAC payback in long FI cycles

Fully-loaded CAC measured by FI segment and channel, with payback periods that respect twelve-to-eighteen month sales cycles into regulated buyers. SaaS-textbook payback targets don't apply here and shouldn't be reported as if they do.

Cap table & strategic FI investment

Pre/post-money cap table with SAFE conversions, option pool top-ups and waterfall scenarios under typical FI strategic investment terms. Bank and asset-manager investors often layer commercial and information rights that affect later rounds.

Recent fractional CFO track record

See our fractional CFO and financial modelling experience across financial services software and beyond.

Simple pricing

No hidden costs, no complicated long-term contracts. We understand how important flexibility is for financial services software startups.

Core£4,000

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
Grow£8,000

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
Pro£12,000

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.

AI & MLFintechConsumer internetDigital mediaE-commerce & marketplacesConsumer productsMobilityDigital healthIndustrial technologyDigital infrastructureIT services

More services

We help you scale by providing fractional CFO advice, through fundraising and a successful M&A exit.

VC fundraising for financial services software companies

We help you prepare materials, reach out to investors in our extensive network, negotiate fair term sheets and structure the VC round.

Learn more

M&A for financial services software companies

We advise winning tech companies on M&A exits, and over the years successfully executed numerous transactions with both financial and strategic buyers.

Learn more

Talk to us

Schedule a call to get a health check on your business and see how we could help.

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