Replace Your Finance Team With a System That Performs Better
FinanceOS builds and runs your entire finance function — giving you control, clarity and better decisions without the cost and complexity of an in-house team.
Most clients replace a £50k–£70k finance department with a £25k–£40k system that delivers more visibility and better performance.
Most Finance Functions Don’t Actually Help You Run the Business
You have numbers — but they arrive late.
You have reports — but they don’t drive decisions.
You have staff — but you’re still the one trying to figure it all out.
Most small business finance teams are built around compliance, not performance.
So the business runs… but it’s not under control.
This Isn’t Outsourced Accounting. It’s a Finance System.
FinanceOS replaces your internal finance team with a structured system that captures financial data, turns it into clear insight, and supports better commercial decisions every month.
How FinanceOS Works
1. Take Control of the Numbers
We handle bookkeeping, payroll, VAT and reporting accurately and consistently.
2. Turn Data Into Insight
You get clear monthly reporting, KPIs, dashboards and financial visibility.
3. Improve Decisions
We help you understand what’s happening, what it means and what needs to change.
What You Actually Get
- Full Financial Control
- Clear Monthly Reporting
- Cash Flow Visibility
- Better Commercial Decisions
- Reduced Key-Person Risk
- Structured Advisory Support
Compare This to Your Current Setup
| Typical In-House Finance Team | FinanceOS |
|---|---|
| Accounts Manager: £35k–£45k | Fully managed finance function |
| Accounts Assistant: £20k–£30k | Broader capability and stronger controls |
| Total cost: £55k–£75k+ | Typical investment: £25k–£40k |
| Key-person dependency | System-driven delivery |
| Limited visibility | Clear reporting and financial insight |
Typical Investment: £25k–£40k per year
What Happens in the First 90 Days
Month 1: Transition
We take control of your systems, processes and data without disrupting the business.
Month 2: Stabilise
We clean up the numbers, implement structure and establish reporting discipline.
Month 3: Optimise
You start seeing clearer insights, better decisions and improved financial control.
Who FinanceOS Is Designed For
Ideal For
- Businesses turning over £1M–£5M
- Companies with an existing finance team
- Owners who want better visibility and control
- Growing businesses lacking financial structure
Not For
- Startups
- Micro businesses
- Companies only looking for basic bookkeeping
- Businesses unwilling to improve their systems
Built by the Team Behind Rule29
FinanceOS has been developed by the team at Rule29 — specialists in business diagnostics, pricing strategy, financial control and value improvement.
We don’t just manage numbers. We use them to improve performance.
Let’s Look at Your Finance Function Properly
We’ll review your current setup, identify gaps, and show you exactly how FinanceOS would work in your business.
No pressure. Just clarity.
Book a Finance Function Review