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ICAEW Chartered Accountant  ·  SaaS Specialist  ·  London

Fractional CFO for SaaS UK: Reporting, Runway and Funding

A SaaS business needs a clear connection between recurring revenue, customer behaviour and cash. When reporting falls behind growth, a fractional CFO can establish the financial routines needed for board decisions, fundraising and a planned exit.

Consult EFC provides fractional CFO services for SaaS founders and UK software businesses. We agree the reporting, forecasting and leadership support you need, with a time commitment that fits your stage.

ICAEW Regulated SaaS Metrics Specialist Series A Fundraising
Kish Patel ICAEW SaaS

Kish Patel ACA

ICAEW Chartered Accountant
Founder, Consult EFC

"The useful question is whether your metrics reconcile to the underlying evidence and help you decide what to do next."

MRR, ARR, churn tracked and investor-ready
ICAEW
The metrics investors will demand

SaaS reporting built on clear definitions and reconciliations

Consistent definitions make SaaS reporting useful. We reconcile source data and explain where estimates, exclusions or accounting policies affect the result.

ARR / MRR

Revenue Recognition

MRR and ARR reconciled to billing and customer records, with revenue recognition considered separately.

CAC : LTV

Unit Economics

CAC and payback calculated using documented acquisition costs, customer definitions and periods.

Churn

Retention Analysis

Customer and revenue retention analysed by cohort, with expansion, contraction and churn shown clearly.

Rule of 40

Growth Efficiency

Growth and profitability assessed together, with the profit measure and reporting period stated.

The reporting pack can also cover gross margin, usage costs, expansion revenue, cash burn and runway. We select measures that support your decisions rather than adding every possible metric.

Sound familiar?

The finance problems that hold SaaS founders back

Issue 01

MRR looks good but runway is tighter than expected

A revenue forecast can look healthy while collections, annual billing cycles or supplier payments create a cash shortfall. We reconcile timing before recommending action.

Issue 02

Investors asking for metrics you cannot track cleanly

Investor questions often require a consistent ARR bridge, retention cohorts and an explanation of acquisition spending. We build the supporting schedules before the reporting deadline.

Issue 03

Going into investor meetings without a CFO

A clear model and evidence pack help management answer investor questions. We can support meetings within the agreed scope; investors make their own funding and valuation decisions.

Issue 04

Delivery costs and margins need explaining

Gross margin depends on delivery costs and accounting policies. We assess hosting, support, implementation and AI usage costs, then compare evidence on a consistent basis.

Issue 05

Revenue recognition is not structured correctly

Subscription contracts, invoices, recognised revenue and deferred income need to reconcile. We identify policy and data gaps with your accounting team.

Issue 06

Full-time SaaS CFO is the wrong commercial move

The right arrangement depends on the responsibilities and availability you need. We agree the scope and fee without assuming a standard salary saving.

Service scope

What we actually deliver as your SaaS Fractional CFO

01

SaaS Financial Modelling

An integrated financial model with subscription drivers, expansion and churn assumptions, hiring, working capital and funding scenarios.

Cohort-based MRR waterfalls
02

Runway & Burn Management

A rolling cash forecast, planned payment schedule and downside analysis that show when management needs to act.

13-week rolling cash flow
03

Board & Investor Reporting

A board pack with metric definitions, reconciliations, forecast movements and a short explanation of decisions required.

SaaS KPI dashboards
04

Series A Strategy

Financial preparation for a funding round, including model review, data-room schedules and a log of investor questions.

Fundraising programme management
05

Revenue Recognition

Reviewing subscription reporting, consistent cost allocation and reconciliations between customer data and the accounts.

Chart of accounts restructuring
06

Exit & Valuation

Preparing recurring revenue evidence, a coherent forecast and financial schedules for an acquirer. Deal terms and the buyer’s assessment determine the outcome.

Vendor due diligence prep
Optimised for every stage

What we focus on at each stage of your SaaS journey

Stage 1: Seed (£500K-£2M ARR)

Foundations

Establish the accounts, MRR bridge, cash forecast and monthly reporting timetable before adding unnecessary reporting complexity.

Stage 2: Series A (£2M-£5M ARR)

The Narrative

Test unit economics, improve forecast assumptions and prepare financial evidence for investor review.

Stage 3: Exit (£5M+ ARR)

Maximising Value

Support transaction preparation or a transition to a full-time CFO, with responsibilities and handover agreed.

What you receive from a SaaS CFO engagement

Your proposal identifies the deliverables, owners, reporting dates and meeting commitments. A typical initial scope may include:

  • A baseline review of management accounts, customer data and cash.
  • Documented SaaS metric definitions and an opening-to-closing ARR bridge.
  • An integrated forecast, a short-term cash view and agreed scenarios.
  • A board reporting pack with variance commentary and decisions required.
  • A handover and update process your team can maintain.

Illustrative decision: hiring ahead of collections

Suppose an annual subscription contract is signed this month but payment is expected next quarter. We keep the contract, recognised revenue and expected receipt separate, then test the cash effect of hiring before payment arrives. This is an example of the analysis, not a forecast for your business.

Explore financial modelling services or cash flow forecasting support.

SaaS fractional CFO FAQs

What does a fractional CFO for SaaS do?

A fractional CFO provides senior financial leadership for an agreed part of the month. The scope can include recurring revenue reporting, cash runway, forecasting, board packs, fundraising preparation and support for commercial decisions. Responsibilities and availability are agreed before work starts.

How is a SaaS fractional CFO different from a bookkeeper?

Bookkeeping records and reconciles transactions. The CFO engagement adds the planning, reporting and financial leadership agreed with management. Your accountant or bookkeeper may also provide advice, so we define responsibilities together to avoid gaps or duplicated work.

Can you work with our existing finance team?

Yes. We can review reporting, establish consistent metric definitions and support your finance manager or accountant while they continue day-to-day finance work. Data access, approvals and reporting ownership are agreed at the outset.

Can you help us prepare for a funding round?

The agreed scope can include an integrated model, runway scenarios, recurring revenue reconciliations, a financial data room and investor questions. Investment decisions remain with investors. Preparation does not guarantee funding or a particular valuation.

Which SaaS metrics should our board receive?

A useful pack may include MRR and ARR bridges, customer and revenue retention, gross margin, CAC payback, cash burn and runway. We document the definitions, periods and source data. The selection should reflect your business model and the decisions the board needs to make.

How much does a SaaS fractional CFO cost?

Fees depend on the reporting condition, business complexity, deliverables, meeting commitments and time required. We scope the engagement before agreeing a fee. A fractional arrangement should be compared with the responsibilities and availability you actually need.

How quickly can you start and what information is needed?

We confirm availability and a realistic start date after discussing scope. Initial information normally includes recent accounts, bank balances, forecasts, the customer or billing schedule, the reporting timetable and upcoming funding or board decisions.

Can you maintain the model and attend board meetings?

Yes, if included in the engagement. We can agree a monthly forecast update, variance commentary and meeting attendance. The scope records frequency, responsibilities and any additional work rather than assuming unlimited support.

Ready to take your SaaS finances to investor-grade?

Book a free 30-minute call with Kish to discuss your reporting, runway and next decision. We will agree the information needed before proposing scope, deliverables and fees.

Free introductory call · Scope and availability confirmed before engagement