3 UK Penny Stocks With Market Caps Under £400M To Watch

The UK market has recently faced challenges, with the FTSE 100 closing lower due to weak trade data from China, highlighting the interconnectedness of global economies. Despite these broader market fluctuations, certain investment opportunities remain attractive, particularly in smaller or less-established companies. Penny stocks, though an outdated term for some, still represent a viable investment area where strong financials can lead to substantial returns.

Click here to see the full list of 291 stocks from our UK Penny Stocks screener.

Underneath we present a selection of stocks filtered out by our screen.

Simply Wall St Financial Health Rating: ★★★★★☆

Overview: Cirata plc, along with its subsidiaries, develops and provides collaboration software across North America, Germany, the rest of Europe, China, and internationally with a market cap of £26.66 million.

Operations: The company generates revenue of $9.52 million from the development and sale of software licenses, as well as related maintenance and support services.

Market Cap: £26.66M

Cirata plc, with a market cap of £26.66 million, is navigating the penny stock landscape by focusing on data integration and orchestration solutions. Recent developments include a $3.1 million contract with a US insurer and the launch of Cirata Symphony, enhancing its position in the growing data management sector. Despite being unprofitable, Cirata has shown revenue growth from $1.37 million to $3.21 million year-over-year for H1 2025 and maintains no debt liabilities while covering short-term obligations with assets totaling $9.6M against liabilities of $4.6M, though it faces cash runway challenges under current conditions.

• Click here and access our complete financial health analysis report to understand the dynamics of Cirata.

• Gain insights into Cirata’s outlook and expected performance with our report on the company’s earnings estimates.

Simply Wall St Financial Health Rating: ★★★★☆☆

Overview: Capital Limited, along with its subsidiaries, offers drilling, mining, mineral assaying, and surveying services and has a market cap of £206.07 million.