Stop Losing Margin You've Already Earned

Where Contractor Margin Goes

You priced the project. You won it. You've mobilised, planned, and started delivering. But somewhere between the contract sum and the final certificate, margin slips away. Not all at once — a bit at a time, in places that are hard to see until it's too late.

It goes in applications that aren't maximised because nobody had time to put together a full breakdown. It goes in valuations that are underassessed and not challenged quickly enough. It goes in variations that were instructed but never properly valued. It goes in payments that are short by amounts that seem too small to fight — until you add them up across twelve interim periods.

And it goes in final accounts that are agreed under commercial pressure rather than on the merits of the entitlement — because the contractor doesn't have the documentation to support a stronger position.

FlowMetrics exists to stop this.

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The FlowMetrics Approach to Margin Protection

Know Your Entitlement at Every Stage

FlowMetrics tracks your contract sum, your applied-for amount, and your certified amount for every interim period. At any moment, you can see the cumulative gap between what you've applied for and what you've been certified for — and whether that gap is within normal assessment tolerance or represents a developing problem.

When you know the gap exists, you can address it. When you don't, it compounds.

Track Every Application with the Right Breakdown

A well-structured application for payment gives the certifier everything they need to assess full entitlement. FlowMetrics helps your commercial team prepare applications with consistent structure: measured works by element, preliminaries, materials on site, variations (instructed and assessed), and any loss and expense claims.

Consistent, well-documented applications get assessed at higher rates. They also produce a better record if the assessment is challenged.

Flag Undercertifications Before the Deadline Passes

Under UK construction law, your right to challenge an undercertification depends on acting within the contract's payment dispute mechanism — and those deadlines are short. A pay less notice issued against your application must be responded to within a defined period.

FlowMetrics tracks the timeline for every payment period and alerts you when key dates are approaching. Missing a deadline means accepting a figure you shouldn't have to accept.

Variation Control That Captures Full Entitlement

Variations are where margin is made and lost most significantly. FlowMetrics tracks every variation instruction, ensures it is formally logged and referenced, and monitors its valuation status.

Unvalued variations are a liability on your balance sheet. FlowMetrics surfaces them, prompts action, and provides the record you need when valuation negotiations begin.

Margin Forecasting Across Live Projects

The commercial team's most important function is knowing where the project is going, not just where it is. FlowMetrics provides forecast final account modelling — showing the impact of current outstanding variations, retention releases, and pending adjustments on your final margin.

This is the information that supports good commercial decisions: whether to push for early settlement, whether to hold firm on a variation position, whether a particular project needs closer management attention.

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Built for Mid-Sized UK Main Contractors

FlowMetrics is designed for the commercial realities of mid-sized UK main contracting — not for enterprise contractors with dedicated commercial IT teams, and not for small builders who manage everything in one spreadsheet.

Mid-sized contractors typically run three to twenty live projects simultaneously, with commercial teams of two to ten people managing the payment cycle, variation log, and final account for each scheme. They work under JCT or NEC contracts. They have subcontract supply chains that generate their own commercial management workload.

FlowMetrics fits this environment: structured enough to provide real commercial control, simple enough to be used by a busy commercial team without IT overhead.

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Key Features for Main Contractors

• Application-to-certificate gap tracking — see every undercertification in real time
• Variation register — every instruction tracked from issue to valuation agreement
• Payment deadline alerts — never miss a challenge window
• Margin forecasting — model your final account position at any stage
• Retention tracking — automatic release date alerts and balance calculations
• Multi-project dashboard — commercial overview across all live contracts

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The Numbers That Matter

The average mid-sized UK contractor loses between 1% and 3% of contract value to avoidable commercial management failures: unchallenged undercertifications, unvalued variations, and final accounts settled on the wrong basis.

On a £5m project, that is £50,000 to £150,000. On a portfolio of £25m in live work, it is between £250,000 and £750,000 per year.

FlowMetrics costs a fraction of that. The ROI is not hypothetical — it is the difference between the margin you should earn and the margin you actually do.

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See how FlowMetrics protects contractor margins.