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3 British Growth Stocks To Own In October 2026

Global markets are wrestling with higher inflation readings, and central banks are keeping interest rates elevated for longer. That environment can punish weak balance sheets, but it also puts a spotlight on British companies that already look financially sound and are projected by analysts to grow earnings quickly. This article highlights three stocks from a healthy growth screener that aim to combine resilience with meaningful upside potential.

The three stocks highlighted here offer a compelling starting point if you want exposure to financially sound businesses with high projected earnings growth. However, if you want the names that matter most, these 6 best high growth potential stocks are the strongest companies we've found.

Saga (LSE:SAGA)

Overview:Saga is a UK group focused on travel, insurance and financial services tailored to people over 50, spanning cruises, holidays and personal finance offerings.

Operations:Saga generates £282.2 million from Travel Ocean Cruise, £193.7 million from Travel Holidays, £143.6 million from Insurance Broking and operates entirely in the United Kingdom.

Market Cap:£1.1b

Saga fits the Healthy high growth potential theme through its insurance arm, where analyst expectations for earnings improvement meet a balance sheet that passes the screener's financial health filters.

"Demographic tailwinds from an aging, affluent over 50 population may encourage excessive capacity additions in river and ocean cruising, leaving Saga overexposed if tastes shift toward more flexible, independent travel and depressing load factors and revenue growth."

What happens to Saga's earnings profile if a single key assumption about how profit margins evolve over time does not hold?

If that earnings path is your real question, read the full narrative for Saga to see where margins could accelerate, stall, or quietly decouple from expectations.

LSE:SAGA Earnings & Revenue Growth as at Oct 2026
LSE:SAGA Earnings & Revenue Growth as at Oct 2026

Atalaya Mining Copper (LSE:ATYM)

Overview:Atalaya Mining Copper runs the Proyecto Riotinto open pit copper mine in Spain, producing copper concentrates with silver and gold by products that anchor its inclusion in the Healthy high growth potential screener.

Operations:Atalaya Mining Copper generates about €492.9 million from mining operations, mineral exploration, development and scrap sales, largely within Spain and Cyprus.

Market Cap:£1.5b

Atalaya Mining Copper matters for this Healthy high growth potential screen because its flagship copper complex links near term expansion plans with a balance sheet that currently passes the screener's financial health checks.

"Atalaya is nearing key milestones on growth projects, notably the expected permitting and subsequent 18-month development of Proyecto Touro, which is projected to add 30,000 tonnes of copper per year at significantly lower cash costs than current operations."

What happens to Atalaya Mining Copper's earnings power if a single assumption about future copper pricing and cost pressure does not hold?

If that pricing risk is on your mind, read the full narrative for Atalaya Mining Copper to understand how Atalaya Mining Copper's growth projects, costs and expansion pace could interact.

LSE:ATYM Earnings & Revenue Growth as at Oct 2026
LSE:ATYM Earnings & Revenue Growth as at Oct 2026

CMC Markets (LSE:CMCX)

Overview:CMC Markets runs online trading and investing platforms. Its Trading segment powers scalable CFD and spread betting activity.

Operations:CMC Markets generates about £319.6 million from Trading and £70.1 million from Investing across the UK, Australia and other countries.

Market Cap:£1.8b

CMC Markets connects to the Healthy high growth potential theme through a Trading engine that can scale as more clients and partners trade across its platform.

"The shift at CMC Markets toward a partnership and infrastructure model for banks and neobanks, with revenue now described as driven by B2B and wholesale relationships such as ANZ, Westpac, ASB and Revolut, can create a deeper pool of institutional order flow. This can support more stable fee income and a higher mix of recurring revenue."

What happens to CMC Markets' earnings power if a single assumption about future operating leverage and expense control does not hold?

That operating gear shift is exactly why you should read the full narrative for CMC Markets to see how CMC Markets' scale, pricing and risk controls could really interact.

LSE:CMCX Earnings & Revenue History as at Oct 2026
LSE:CMCX Earnings & Revenue History as at Oct 2026

Seeking Fresh Alternatives Before Others?

New ideas move first, and laggards get caught chasing momentum after prices start flying. Scan these fresh candidates while they stay under the radar for now and consider them carefully.

  • Target reliable cash generators using the 4 dividend fortresses and see which high yield payers currently combine income strength with balance sheets built to handle pressure.

  • Spot potential infrastructure candidates through the 41 power grid technology and infrastructure stocks and track companies positioned around grid upgrades before this theme gains full market attention.

  • Review early movers in automation by checking the 91 robotics and automation stocks and review curated businesses involved in real-world adoption of robots and intelligent systems.

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.

Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team@simplywallst.com

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