As ENSEK’s gross margin reporting capabilities mature, the focus is shifting from platform foundations to financial reality. In this post, we explore how those technical building blocks translate into day‑to‑day gross margin reporting in practice — and what it takes to deliver fast, defensible revenue insight when accuracy, scale and audit confidence really matter.
At ENSEK, we talk a lot about Lives, not Just Loads. It’s a phrase that sticks with me — not because it’s catchy, but because it’s true. When you’re dealing with billions of pounds in billed and unbilled revenue, it’s easy to forget that behind every number is a real person, a real business, relying on us to get it right. That’s what drives me and my team every day.
Gross margin reporting is the process of calculating the difference between revenue and cost of goods sold, typically used to assess financial performance. In our context, it’s about ensuring that the revenue figures we report — especially unbilled revenue — are accurate, timely, and defensible.
In practice, our current focus is on revenue accuracy and assurance — the foundation required before true gross margin (revenue minus cost) can be reliably reported.
One of our largest energy retail customers regularly sees figures equivalent to hundreds of millions in billed revenue and over a billion in unbilled value each month (e.g. GBP 600m billed and GBP 1bn+ unbilled). That unbilled amount is essentially an enormous “IOU” on their balance sheet. If those numbers were to fall apart, the financial and reputational consequences would be significant. Our job is to ensure that these figures are credible and can be booked with confidence.
When I stepped into this role, our reporting process was painfully manual and slow. It relied on a chain of sequential steps, each manually triggered and monitored. The process was fragile — one error could derail the entire workflow. Given the billions of data points involved, this approach was unsustainable. We needed a faster, more resilient system that could scale with the complexity of our data.
To solve this, we built an automated pipeline — a series of connected data processes — in our data platform. This system now handles the entire reporting workflow end-to-end, eliminating manual intervention. It’s a much more stable setup — no more mysterious mid-run failures or odd results. While we sacrificed some flexibility for quick fixes, we gained stability and repeatability.
We also restructured our customer engagement model. Instead of a single month-end report, we now have three regular touchpoints: a preview meeting a week before month-end, the final report delivery, and a follow-up session to address questions. This cadence transforms reporting into a collaborative, transparent process. Anomalies are identified early, and nothing comes as a surprise.
What used to take more than 24 hours now completes in around eight — enabling more frequent runs, deeper analysis, and greater confidence in the results. For example, we recently reprocessed years of historical revenue — covering tens of billions in value — and found our recalculated total was within a few pounds of the original. That level of precision was previously unachievable and is now routine.
ENSEK’s approach to revenue assurance is both holistic and highly engaged. We don’t just audit a subset of data — we examine the full revenue landscape across all accounts and time periods. This comprehensive scope increases our ability to detect anomalies that might otherwise go unnoticed.
We also operate as an extension of our customer’s finance team. For those who need deep engagement, we provide tailored analysis, detailed walkthroughs, and full transparency. This level of partnership is not standard across the industry, and it’s a key differentiator for us.
And the numbers back it up. We’ve kept revenue leakage — that’s revenue initially recorded but later reversed or adjusted — under 1% — a result we’re proud of and working hard to maintain and improve upon. In the energy sector, that’s considered best-in-class performance. It’s a direct outcome of our rigorous processes and collaborative model.
The most immediate impact is confidence. Our customer can now close their books each month knowing that their unbilled revenue figures are accurate and defensible. We provide the evidence and narrative behind every number, replacing uncertainty with clarity.
Our vigilance has also prevented major issues. Interventions demonstrate that our team often serves as the last line of defence — helping avoid financial headaches — and a lot of awkward conversations.
Next up is bringing cost data into the mix so our “gross margin” reporting truly reflects margin (profit), not just revenue. That will give customers a complete view of not only what they earned, but what they kept after costs.
Across energy markets, settlement is moving toward higher‑frequency, more granular consumption data, reducing reliance on estimates while significantly increasing data volume and complexity. In some markets, this includes the introduction of half‑hourly or near‑real‑time consumption data. For gross margin reporting, this means greater reliance on actuals and more precise revenue recognition, but it also demands systems and processes that can scale without sacrificing control.
Lastly, we’re aiming to tighten the links between our Energy Accounting team and various Product and Operational teams (within ENSEK and with customers). The goal is that when we flag a big anomaly, folks jump in to investigate and fix the root cause immediately. We’re not quite at that seamless handoff yet, but moving in that direction will further improve how quickly issues are resolved.
Transforming a fragile, manual process into a fast, dependable, and insightful service has been challenging — but incredibly rewarding. We’ve given our customer peace of mind about their most critical numbers. And as the energy industry evolves, we’ll continue to raise the bar for accuracy, transparency, and operational excellence.
Note: ENSEK’s Financial Assurance capability is delivered through our Ignition platform and is not available as a standalone product. This ensures seamless data integration, governance, and audit-grade controls.