Plainsong writes the story behind every number as it forecasts — one legible line connecting what's moving in your business to what's moving in the world. Unlock the insight your best analyst carries in their head: made explicit, auditable, and ready to present.
Built by a commercial finance professional, not a Silicon Valley coder.
Your best analyst understands intuitively which factors move the P&L. Their potential is wasted if they spend their time reconciling spreadsheets.
When the CFO asks "why has the forecast moved?", the best answer is a clear narrative grounded in quantitative analysis, not a finger in the air.
The day that analyst walks out, years of hard-won commercial intuition walk out with them. Nothing transferable is left behind.
A typical forecast looks like this:
Plainsong works differently: machine learning and modern visual analytics let your team bring what they know about the business straight into the forecast — one plain line, not a wall of dashboards.
Backtest: within 3.2% across the last 6 windows. Reliable to plan on.
Cantor explains what moved, drafts the commentary, and suggests drivers worth testing. The boring work, done. Ask Cantor in plain language or reach for a command.
The largest review of modern forecasting finds that structured human judgement consistently improves accuracy, and that human-guided variable selection beats automated approaches when real domain knowledge is present.
Combine the analyst's judgement and the machine's rigour, and you beat either on its own.
How information is represented changes how well people reason. Plainsong lays the drivers out so your judgement has more to work with.
Humans directing a machine-learning system outperform purely automated ones. Plainsong is built to iterate with your expertise, not to replace it.
Accuracy only counts on data the model never saw. Plainsong backtests every forecast and never marks its own homework.
In finance, trust comes before everything. So we're clear about exactly where the line sits.
Machine learning can surface deep, statistically significant relationships with your key commercial drivers, but never replaces human judgement and intuition.
Plainsong lets your team work to their full potential: fertile ground for a strategic conversation, not another spreadsheet to reconcile. You bring the context only you have; Plainsong does the rest.
We're working with a small group of commercial teams ahead of launch. Tell us what you forecast and, once we're ready, we'll show you how Plainsong can help.