Built Cybernetics returns to profit in 2025 as its pivot to software pays off, with proprietary recurring revenue surging 69% to £751k.
This article covers information on Built Cybernetics PLC.
LON:BUCI’ve been through Built Cybernetics’ audited results for the year to 30 September 2025. The headline is simple and encouraging: the group moved back into profit on continuing operations and kept pushing revenue towards software and services that repeat every year. There’s still plenty to do on cash and execution, but the strategy is taking shape.
| Metric (continuing operations unless stated) | 2025 | 2024 |
|---|---|---|
| Revenue | £20.1 million | £18.6 million |
| Trading profit before tax | £77,000 | £321,000 loss |
| Profit after tax | £111,000 | £1.08 million loss |
| Earnings per share (continuing) | 0.03p | (0.32p) |
| Group EPS (including discontinued) | (0.01p) | (0.54p) |
| Annualised recurring revenue (ARR) – Smart Buildings total | £1.71 million | £1.20 million |
| ARR from proprietary software | £751,000 | £444,000 |
| Smart Core monthly recurring at year end | £42,000 per month | not disclosed |
| Smart Core footprint | 2.9 million sq ft | 2.1 million sq ft |
| Cash at bank and in hand | £536,000 | £353,000 |
| Total borrowings | £1.50 million | £0.61 million |
| Net current liabilities | £0.97 million | £1.72 million |
Quick jargon check: ARR is the annualised value of contracted recurring revenue at period end. It’s a key indicator of visibility and scalability for software-heavy businesses.
Revenue grew 8% to £20.1 million, split roughly 50:50 between Smart Buildings (£9.95 million) and Architecture (£10.12 million). Architecture did the heavy lifting, swinging to a £742,000 trading profit, while Smart Buildings posted a small £209,000 loss as investment continued and traditional install work softened.
Within Smart Buildings, Vanti (which now includes Stage Technology) grew revenue 9% to £9.38 million but finished with a £74,000 loss before tax. The traditional audio-visual and stage work slowed in H2, with management citing weaker education-related activity after the imposition of VAT on private school fees. Cost cuts are underway to protect margins while keeping investment behind Smart Core.
ecoDriver, the energy monitoring platform, grew revenue 19.7% to £571,000 and recorded a £135,000 trading loss as deployments carried higher upfront kit and install costs. This is classic SaaS land-and-expand: margins follow as the installed base yields more software fees.
Why this matters: the group’s proprietary software ARR surged 69% to £751,000. That is still modest in absolute terms, but it’s moving in the right direction and carries better long-term margins than one-off project work.
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UK architecture revenue rose to £10.1 million. Veretec grew strongly to £7.55 million (+27.5%), and Aukett Swanke Limited returned to profit in Q4 after earlier client delays. A notable operational highlight: Veretec’s Kingsland Road scheme achieved Gateway 2 approval under the Building Safety Act in 13 weeks, which management says is a national record and far faster than the widely reported averages. For developers, time saved here is real money.
Quick jargon check: Gateway 2 is the new “hard stop” approval for high-risk buildings under the Building Safety Act. Faster approvals can accelerate programme timetables and reduce carrying costs.
Net effect: fewer distractions, more software and design assets that can cross-sell – especially into existing client relationships.
Built Cybernetics issued £1.1 million of Convertible Loan Notes (12% coupon, convertible at 3p, repayable 31 December 2027). This helped reduce net current liabilities to £0.97 million from £1.72 million. Cash at bank stood at £536,000, with total borrowings of £1.50 million (including the new notes) and cash and equivalents of £393,000 after overdrafts.
The board has prepared 18‑month forecasts and concluded going concern is appropriate, noting available mitigations such as a fully approved £890,000 Vanti loan facility (time limited), potential asset sales at above book value, possible equity, and in-the-money warrants (£235,000 potential cash). Still, management is direct that working capital is tight and first-half trading in the current year will likely show a modest loss while MapBI scales and Vanti’s cost actions bed in.
Quick jargon check: Convertible Loan Notes (CLNs) are debt that can convert into shares at a set price. They provide cash today, with potential dilution later if converted.
Today, Smart Core is only sold alongside Vanti’s integration work. That limits scale. The plan now is threefold: productise Smart Core for third-party integrators, build a channel partner ecosystem, and create a technology marketplace around it. If management executes, this could be the engine that turns today’s promising ARR into something meaningfully larger.
For context, Master Systems Integration (MSI) is the glue layer that coordinates disparate building systems. Owning the building operating system layer – and letting others deploy it – is a route to higher-margin, repeatable revenue without linear headcount growth.
This is a solid step forward. The group eked out a profit from continuing operations, expanded recurring software revenue at pace, and tidied the portfolio. Cash is still tight and execution risk remains, but the direction of travel is clear: fewer one-off installs, more software and service contracts tied to Smart Core, ecoDriver and MapBI. If channel sales land as planned, Built Cybernetics starts to look less like a project contractor and more like a scalable PropTech platform.
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