AI Companies to Invest In: Top Picks for Future-Focused Portfolios

Last Updated on May 31, 2025

Artificial Intelligence (AI) is transforming industries and creating new investment opportunities globally. For UK investors, the AI sector offers an exciting chance to be part of innovative companies that are shaping the future, from cybersecurity and healthcare to fintech and AI hardware.

In this guide, we explore five top AI companies to invest in that have strong UK roots or significant presence, along with insights into their technology, market position, and growth potential.

Why Invest in AI Now?

AI adoption is accelerating across sectors, driven by advancements in machine learning, natural language processing, and AI hardware. The UK government is committed to making Britain a global AI hub, with billions invested in research and development. This creates a fertile ground for AI companies to grow, innovate, and offer promising returns for investors.

Whether you’re an experienced investor or just starting out, understanding these companies can help you make informed decisions about entering the AI market.

Top 5 AI Companies to Invest In (UK Focus)

1. Darktrace (LSE: DARK)

Sector: Cybersecurity
Founded: 2013
HQ: Cambridge, UK

Darktrace is a pioneering AI-driven cybersecurity firm that uses machine learning to detect and neutralise cyber threats autonomously. Its flagship Enterprise Immune System models an organisation’s digital environment to identify anomalies in real-time.

Why It’s Compelling:

• Over 7,000 customers worldwide, including UK government agencies and the NHS
• Subscription model offers recurring revenue and strong growth
• Innovation in autonomous response systems gives it an edge in a critical sector
• Expanding into industrial and operational technology cybersecurity

2. BenevolentAI (AMS: BAI)

Sector: Biotechnology / Drug Discovery
Founded: 2013
HQ: London, UK

BenevolentAI harnesses AI to accelerate drug discovery, dramatically cutting down the time and costs of traditional R&D. Its platform mines vast biomedical data to identify new drug targets, enabling partnerships with pharma leaders like AstraZeneca.

Why It’s Compelling:

• Multiple drug candidates in clinical and preclinical trials
• Partnerships with top pharma firms validate technology and business model
• Positioned at the lucrative intersection of AI and healthcare innovation
• Potential for significant licensing and royalty revenues

3. Graphcore (Private)

Sector: AI Hardware / Semiconductors
Founded: 2016
HQ: Bristol, UK

Graphcore designs next-generation Intelligence Processing Units (IPUs) tailored specifically for AI workloads. Their chips offer better parallel processing and memory bandwidth than traditional GPUs, helping accelerate machine learning training and inference.

Why It’s Compelling:

• Unique technology differentiates it from GPU competitors like NVIDIA
• Partnerships with Microsoft and cloud providers boost market access
• Strong patent portfolio and ongoing R&D investment
• Positioned as a key player in AI infrastructure growth

4. Faculty AI (Private)

Sector: AI Consulting / Enterprise Software
Founded: 2014
HQ: London, UK

Faculty AI specialises in building custom AI solutions for enterprises and public sector clients. Known for its ethical approach and transparency, it played a crucial role in supporting the NHS during the COVID-19 pandemic with AI-driven resource allocation tools.

Why It’s Compelling:

• Trusted by major UK institutions, including NHS and BBC
• Focus on explainable, responsible AI appeals to cautious sectors
• Rapid growth backed by strong venture capital support
• Potential IPO or acquisition candidate as AI adoption grows

5. Thought Machine (Private)

Sector: FinTech / AI-Powered Banking Software
Founded: 2014
HQ: London, UK

Thought Machine is revolutionising banking with its AI-powered core banking platform, Vault. The cloud-native system automates complex processes such as fraud detection, risk management, and personalised customer offerings with AI and smart contracts.

Why It’s Compelling:

• Partners with leading banks like Lloyds and Standard Chartered
• Growing demand for flexible, AI-enhanced banking infrastructure worldwide
• Strategic partnerships with cloud giants ensure scalability and security
• Positioned for significant growth amid global fintech digital transformation

How to Invest in AI Companies from the UK?

• Stock Market: Darktrace is listed on the London Stock Exchange, making it easily accessible for UK investors via platforms like Hargreaves Lansdown and AJ Bell. BenevolentAI is listed on Euronext Amsterdam but is available through many brokers.
• Private Companies: Graphcore, Faculty AI, and Thought Machine are currently private but may offer opportunities through private equity or venture capital funds. Keep an eye out for IPO announcements or investment rounds.
• ETFs: For diversified exposure, consider AI-focused exchange-traded funds (ETFs) that include a mix of AI hardware, software, and service providers.
• Due Diligence: As with all investments, research each company’s financial health, market position, and growth strategy. AI is a fast-evolving field, and risks can be higher than in traditional sectors.

Risks and Considerations When Investing in AI Companies?

Investing in AI offers potential rewards but also involves risks:

• Rapid Technological Change: AI advances quickly, so companies must continually innovate to stay competitive and avoid obsolescence.

• Regulatory and Compliance Challenges: New data protection and AI governance laws in the UK and Europe can increase costs or restrict operations, especially in sensitive sectors.

• High Competition: The AI market includes tech giants and startups competing fiercely; companies with strong IP, partnerships, and unique solutions are better positioned.

• Valuation Volatility: Many AI companies are in growth stages with limited profits, leading to fluctuating share prices and high valuations.

• Ethical and Social Issues: Bias, privacy concerns, and job displacement can harm a company’s reputation and invite regulatory scrutiny.

To mitigate these risks, investors should diversify across AI sectors, monitor regulatory developments, prioritise companies with strong ethics and innovation, and consider AI-focused investment funds for broader exposure.

Emerging Trends Shaping the AI Investment Landscape

AI technology is evolving rapidly, creating new opportunities for investors. Key trends to watch include:

• Generative AI: Technologies like GPT are revolutionising content creation by automatically generating text, images, and even code, transforming industries such as marketing, media, and software development.

• Ethics and Regulation: As AI use grows, the UK and EU are introducing regulations focused on transparency, fairness, and data privacy. Companies committed to ethical AI practices will build greater trust and avoid legal challenges.

• AI-Driven Automation: AI is increasingly automating routine and complex tasks across finance, manufacturing, and logistics, boosting efficiency and reducing costs for businesses worldwide.

• AI Hardware Innovation: Specialized chips, such as those developed by Graphcore, enable faster and more efficient AI processing, essential for training complex models and powering advanced applications.

• Edge AI and Cloud Integration: AI is moving closer to where data is created, with edge computing enabling real-time analysis in areas like healthcare and smart infrastructure, reducing latency and bandwidth use.

Understanding these trends helps investors identify companies well-positioned for growth.

Final Thoughts

Artificial Intelligence is no longer a futuristic concept; it’s actively reshaping economies and creating substantial investment opportunities. UK investors are well-positioned to benefit from homegrown innovators and international AI leaders. Companies like Darktrace, BenevolentAI, Graphcore, Faculty AI, and Thought Machine represent some of the most promising investments in this exciting sector.

Start with careful research, consider your risk tolerance, and explore how AI companies can fit into your portfolio strategy for long-term growth.