Top 10 New SaaS Startups in the UK

SaaS Industry Developments in the UK

In 2025, the Software-as-a-Service (SaaS) industry continues to grow in the UK, driven by demand across sectors such as finance, healthcare, logistics, and education. Startups are integrating artificial intelligence and cybersecurity into their platforms, positioning themselves as essential infrastructure for modern businesses.

The UK SaaS ecosystem benefits from investor confidence, a skilled workforce, and a market ready to adopt automation and data-driven decision-making. Subscription-based software models provide businesses with accessible, recurring revenue streams, attracting significant interest from investors.

Key Trends in the SaaS Sector

Artificial intelligence is a prominent feature in SaaS platforms, with startups using AI to solve specific problems like predictive analytics in finance and automation in HR. Cybersecurity remains crucial as companies move operations to SaaS environments, with startups focusing on integrated security and compliance frameworks.

User experience is increasingly important, with businesses seeking intuitive software that does not require extensive training. The UK stands out as a hub for SaaS innovation, with cities like London, Manchester, and Edinburgh leading in areas such as fintech and biotech.

Top SaaS Startups in the UK for 2025

• Tessl: An AI-native software development company based in London, valued at over $500M following a $125M funding round.
• Opna: A climate-tech platform that funds and manages carbon removal projects, focusing on equitable initiatives in the Global South.
• Ascendex Cloud: Offers AI-enhanced CRM solutions built on Salesforce, expanding into the US following an £80M funding round.
• Vertice: Provides cloud-spend optimization, securing €50M in funding to enhance automation and transparency in SaaS management.
• Big Change: A field-service management platform for mobile workforces, with $100M in total funding and plans for international expansion.
• AutogenAI: Uses AI to streamline bid and grant writing, authorized for government use in the UK, aiming to expand into new sectors.
• Granola.ai: An AI-driven notepad for meetings, securing $43M in funding to develop collaborative features for enterprise use.
• Builder.io: A visual development platform for web and mobile experiences, focusing on accessible AI-driven development.
• Shop Circle: Provides a suite of applications and services for ecommerce, emphasizing speed and efficiency in online sales.
• Inforcer: Ensures Microsoft 365 policy standardization across multiple tenants, focusing on compliance in regulated sectors.