# Builder.ai: UK operating company ordered wound up

Engineer.ai Corp. (group); Engineer.ai Global Limited (UK operating company) · United Kingdom · Software development

Evidence reviewed Oct 26, 2026. Historical event record.

Builder.ai’s UK operating company was ordered wound up in September 2025. Its last private financing had placed the group in billion-dollar valuation territory.

## Historical private valuation

$1.5bn · May 23, 2025

As reported May 23, 2025: approximately $1.5 billion at the last fundraising. This retrospective reporting date is used because the actual financing close date is not established here. The separate May 2023 announcement was conditional.

[Bloomberg / The Straits Times](https://www.straitstimes.com/business/companies-markets/builder-ai-ai-start-up-with-operations-in-singapore-overestimated-sales-by-300), [Builder.ai / GlobeNewswire](https://www.globenewswire.com/de/news-release/2023/05/23/2674006/0/en/builder-ai-announces-250m-series-d-led-by-qia-to-push-new-boundaries-for-its-ai-powered-composable-software-platform.html)

## Documented event

UK operating company ordered wound up · Sep 10, 2025

No transaction price shown. The statutory notice records a winding-up order against Engineer.ai Global Limited, company number 10998363, on September 10, 2025.

[The Gazette](https://www.thegazette.co.uk/notice/4961929)

## What changed

The statutory winding-up event identifies Engineer.ai Global Limited, a UK operating company, rather than treating every group entity as legally identical. The record does not infer a sale price or repeat unadjudicated allegations about the company’s technology or financial reporting.

## Timeline

### May 23, 2023 — Series D announced

Builder.ai announced more than $250 million of Series D funding led by Qatar Investment Authority, with other new and existing investors; the transaction was subject to closing conditions.

[Builder.ai / GlobeNewswire](https://www.globenewswire.com/de/news-release/2023/05/23/2674006/0/en/builder-ai-announces-250m-series-d-led-by-qia-to-push-new-boundaries-for-its-ai-powered-composable-software-platform.html)

### Sep 10, 2025 — Winding-up order made

The UK statutory record identifies the operating company, order date and Official Receiver.

[The Gazette](https://www.thegazette.co.uk/notice/4961929)

## Disclosed investors

Historical funding participation; not current ownership or investor losses.

- Qatar Investment Authority — [Builder.ai / GlobeNewswire](https://www.globenewswire.com/de/news-release/2023/05/23/2674006/0/en/builder-ai-announces-250m-series-d-led-by-qia-to-push-new-boundaries-for-its-ai-powered-composable-software-platform.html)

- Iconiq Capital — [Builder.ai / GlobeNewswire](https://www.globenewswire.com/de/news-release/2023/05/23/2674006/0/en/builder-ai-announces-250m-series-d-led-by-qia-to-push-new-boundaries-for-its-ai-powered-composable-software-platform.html)

- Jungle Ventures — [Builder.ai / GlobeNewswire](https://www.globenewswire.com/de/news-release/2023/05/23/2674006/0/en/builder-ai-announces-250m-series-d-led-by-qia-to-push-new-boundaries-for-its-ai-powered-composable-software-platform.html)

- Insight Partners — [Builder.ai / GlobeNewswire](https://www.globenewswire.com/de/news-release/2023/05/23/2674006/0/en/builder-ai-announces-250m-series-d-led-by-qia-to-push-new-boundaries-for-its-ai-powered-composable-software-platform.html)

## Sources

- [Builder.ai, an AI start-up with operations in Singapore, overestimated sales by 300%](https://www.straitstimes.com/business/companies-markets/builder-ai-ai-start-up-with-operations-in-singapore-overestimated-sales-by-300) — Bloomberg / The Straits Times; published May 23, 2025; accessed Oct 26, 2026; financial reporting.

- [Builder.ai announces $250M Series D led by QIA](https://www.globenewswire.com/de/news-release/2023/05/23/2674006/0/en/builder-ai-announces-250m-series-d-led-by-qia-to-push-new-boundaries-for-its-ai-powered-composable-software-platform.html) — Builder.ai / GlobeNewswire; published May 23, 2023; accessed Oct 26, 2026; primary source.

- [Engineer.ai Global Limited: winding-up order](https://www.thegazette.co.uk/notice/4961929) — The Gazette; published Sep 16, 2025; accessed Oct 26, 2026; primary source.

Logo: [Builder.ai logo source](https://builder.ai). Company trademark rights remain.

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