Fractional CFO for SaaS & Tech founders who are stuck in spreadsheets, unsure how to explain their numbers to investors, and not fully ready to raise funds or plan a successful exit

We clean up your financial data, build reliable forecasts and budgets, answer your questions quickly, prepare you for investor meetings, and make sure you're fully ready to raise funds or plan a successful exit.

How ScaleWithCFO can help you

Spending too much time managing finances? - ScaleWithCFO introduces tools that save you hours - no more spreadsheets! Instead you get beautiful and insightful reports that investors and founders love.
Raising funds through equity or taking a loan? - ScaleWithCFO builds financial models that meet investor or bank requirements and explain how the models work so you feel confident answering finance questions to investors.
Not confident in front of investors? - ScaleWithCFO reviews your financial data and explains in plain English what different unit economics mean and how they work.
Planning to exit? - ScaleWithCFO guides you through financial planning to define your goals and what needs to be achieved each quarter to reach your desired valuation.
Ad-hoc inquiries? - Founders typically have at least one urgent finance question per week. ScaleWithCFO offers unlimited email support and regular strategic meetings, replying to 90% of emails within two hours.
Hey! I'm Constantin Botnari, a Chartered Accountant and the Founder of ScaleWithCFO.

I am a fractional CFO for founders in the tech/SaaS industry based in London & across the UK.

I'll take care of your finances so you can focus on growing your business.

I am expert in financial systems and data, budgeting, forecasting, and business strategy.

Whether you are a bootstrapped or VC-funded company, I provide the financial clarity you need.
As your Fractional CFO, we provide unlimited email support and regular strategic meetings β€” with 90% of emails replied to within 2 hours and a guaranteed response within 24 hours.

What you get when ScaleWithCFO becomes your Fractional CFO

Fractional CFO London & UK – Profitability analysis for tech founders.
Financial Planning

Know when your company might run out of cash, how efficiently you use your resources, and the cash impact of every decision - such as hiring, increasing ad spend, expanding into a new market, etc.

Fractional CFO London & UK – Budgeting and forecasting for SaaS startups.
Fundraising & Financial Modelling

Understand exactly how much to raise to reach your next milestone without giving up too much equity. We build financial models you can explain clearly and investors actually trust.

Ongoing CFO support for SaaS and tech founders in London & UK.
Monthly Reporting & Board Packs

Stop wasting hours on spreadsheets with shifting numbers. Get accurate monthly reports with forecasting, budgets, and simple graphs that clearly show how your business is performing - and how far you are from your goals.

Helping London tech founders prepare investor-ready financial reports.
Financial Review

Founders often discover financial issues too late - during fundraising, board meetings, or exits. We help you spot and fix these early, clean up your data, and feel fully confident before the questions come.

Successful Exit

Planning ahead adds hundreds of thousands to an exit. We map out what needs to happen each quarter to hit your target valuation - and help you stay on track.

Improve Cash Flow & Profits

See where money is leaking, how to increase margins, and how your decisions affect profitability - before they become problems.

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What makes ScaleWithCFO different from other Fractional CFO services? Why work with us?

London-based Fractional CFO guiding tech founders on financial planning.
No Daily Rate

ScaleWithCFO offers a fixed monthly retainer and provides ongoing CFO support whenever founders need it. This includes everything from financial modelling and investor call preparations to exit planning, monthly reports, and finance reviews - ensuring founders have the support they need without worrying about billable hours.

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Fractional CFO London & UK – Budgeting and forecasting for SaaS startups.
A to Z Industry Expertise

ScaleWithCFO has hands-on experience in every aspect of a company’s finances. From bookkeeping and optimising financial systems to budgeting, forecasting, fundraising, exit planning, and due diligence, we’ve done it all. Whether it's high-level strategy or day-to-day financial operations, nothing gets overlooked - including planning for long-term growth.
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Helping London tech founders prepare investor-ready financial reports.
Hands-On Work

We don’t just analyse numbers - we actively fix them. That means restructuring your chart of accounts to SaaS/Tech standards, reviewing financial data for accuracy, categorising expenses correctly, and ensuring VAT codes are properly recorded. We also refine your finance system to provide the detail needed for smarter decision-making - helping both you and your investors stay ahead.

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How it works

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Fractional CFO London & UK – Unlimited email support and strategic meetings.

30-minute Zoom meeting

This is a  30-minute video call on Zoom to explore your financial goals and challenges, and how ScaleWithCFO can address them. The call will include an introduction to our expertise, a discussion tailored to your needs, and a roadmap for the next steps.

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Fractional CFO London & UK – Cash flow forecasting to help startups scale.

One-Hour Strategy Call

It might look exhausting to have an hour call at the beginning but truth is that this is the most important area because you can't do any forecasts, financial planning, etc. if you don't understand what is the founder business and personal plans, learn about the business, competitors, their product or service etc.

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Fractional CFO London & UK – Investor-friendly board reports for SaaS founders.

Financial Health Review

After signing the engagement letter and completing AML checks, ScaleWithCFO spends around 30 days optimising your finances to SaaS/Tech standards, focusing on cost optimisation, KPI setup. Almost all the time the financials are super messy without founders knowing about it.
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Fractional CFO London & UK – Helping tech founders with investor-ready financial models.

90-Day Financial  Plan

The next 60 days are for strategic planning and forecasting. The plan is customised to founder needs because every business is different. Maybe founder need to prioritise the fundraising, need a financial modelling, have to implement some new finance tools to make the finance system more efficient.

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One day you will sell your company -  maximise your valuation

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