Online reviews platform Trustpilot (LON:TRST) saw its shares fall under heavy pressure after the company reported its H1 2026 results on Tuesday 15 September, despite another strong period of revenue growth and rising profitability. There’s strong business momentum, but valuation/expectations remain the key risk.
The key issue for UK retail investors is not that Trustpilot delivered weak numbers. Rather, investors wanted evidence that strong trading would translate into higher full-year expectations — and that upgrade did not arrive.
| Trustpilot (LON:TRST) | Price: ~221p (~-16%) | Market cap: ~£850m |
Trustpilot H1 2026: key numbers
| $m unless stated | H1 2026 | H1 2025 | Change |
| Bookings | 171.0 | 140.0 | +22% |
| Revenue | 151.4 | 123.0 | +23% |
| Revenue growth, constant currency | 19% | — | — |
| Adjusted EBITDA | 26.3 | ~18.0 | +46% |
| ARR | 313 | 273 | +15% |
| Enterprise ARR >$20k customers | — | — | +36% |
| Gross retention | 87% | 86% | +1ppt |
| Net dollar retention | 101% | 103% | -2ppt |
The results confirm that Trustpilot’s core subscription model remains healthy. Revenue increased 23% to $151.4m, while adjusted EBITDA jumped 46% to $26.3m. Enterprise customers and North America remain particularly important growth engines.
So why is Trustpilot’s share price falling?
The problem is expectations.
Management maintained its full-year guidance for high-teens constant-currency revenue growth and a 2–3 percentage-point improvement in adjusted EBITDA margin.
That was broadly consistent with the company’s previous guidance and the analyst consensus available before the results. The July trading update had already indicated H1 bookings of $171m and revenue growth of 19% in constant currency.
In other words, the market had already priced in strong growth.
Trustpilot’s shares have consequently been hit because investors were hoping the H1 performance would lead to an upgrade.
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This is particularly important for a relatively highly valued growth stock – the 12m rolling PE stands around 40x, according to Stockopedia: beating expectations is not necessarily enough if the outlook remains unchanged.
Management remains bullish on AI
CEO Adrian Blair emphasised the company’s positioning in the emerging AI-driven shopping market.
After the July update he said:
‘AI is proving a significant tailwind for customer growth across all focus markets, particularly in Enterprise.’
He added that businesses are increasingly recognising the value of Trustpilot feedback ‘in the age of AI’.
That is an important part of the investment case. Trustpilot says its platform is increasingly being used as a trust signal by AI-driven commerce, while customers paying more than $20,000 annually generated 36% growth in ARR.
The company also reported that ChatGPT-related requests to Trustpilot’s platform were up more than 400% year-on-year in June.
What are analysts saying?
The analyst picture remains broadly positive, although expectations have become more demanding.
Data compiled by StockAnalysis shows 13 analysts with an average price target of approximately 336p, compared with a pre-results share price around 250p, and an overall Buy consensus.
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Earlier research has highlighted Trustpilot’s enterprise opportunity, German expansion and product development as potential sources of upside. Simply Wall St’s compilation of broker research showed implied fair values moving higher during the summer, although it also noted a split between analysts bullish on growth and those concerned about execution and valuation.
The important point for investors today is that the bullish analyst thesis requires Trustpilot to continue delivering growth above what is already embedded in the valuation.
Bull case vs bear case
| 🐂 Bull case | 🐻 Bear case |
| Revenue growing at ~20% | Guidance was not upgraded |
| Adjusted EBITDA +46% | High valuation leaves little room for disappointment |
| Enterprise ARR +36% | Net dollar retention slipped to 101% |
| Strong North American growth | Net cash reduced after buybacks |
| AI could increase Trustpilot’s relevance | AI opportunity still needs to translate into sustained revenue growth |
| Large global review database creates network effects | Growth expectations are already high |
Sharesify investor verdict
Trustpilot’s H1 2026 results look fundamentally strong, but the share price reaction is understandable after rallying ~40% YTD, even after today’s fall.
For long-term growth investors, the important numbers are the 36% growth in larger Enterprise accounts, strong US momentum and the potential for AI to make trusted review data increasingly valuable.
For more valuation-conscious investors, today’s sell-off is a reminder that Trustpilot remains a stock where expectations matter almost as much as the underlying results.
The next major test is therefore not whether Trustpilot can grow — it clearly can — but whether management can accelerate growth enough to justify the valuation and eventually upgrade guidance. There’s clearly strong business momentum, but valuation/expectations remain the key risk.
Disclaimer: The author Steven Frazer has a personal interest in Trustpilot.
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