The legal-tech and engineering team behind the UK's most demanding financial data problems.
Turn data into real-world advantage
We help organisations unlock the value in their data and apply AI responsibly. From strategy to execution, bigspark partners with you to drive measurable growth.
Trusted By
Why bigspark?
6+
Years of Experience
We empower leading UK businesses by leveraging advanced AI and data science to transform and fortify their data architectures.
50+
Projects Delivered
Trusted for our innovative approach, we have a proven track record in executing world-class projects, including the creation of a generative AI Centre of Excellence.
#48
Growing Fast
Our success is your success, and we’re heading into a positive future. bigspark is #48 in the Sunday Times’ Top 100 Fastest Growing Private Companies.
Awards and Honours
Testimonials
bigspark's agile methodology approach to development has left us no doubt that our vision is being materialised beyond what we could have imagined. It has been a pleasure to work with their software developers, We are extremely proud and excited to be partnered with bigspark for years to come and we have no plans, and no need, to look anywhere else in the future - bigspark do it all.
Gighabit Their expertise in data science and ability to navigate the intricacies of our data in uncovering critical insights that greatly enhanced our understanding of key issues. bigspark demonstrated exceptional analytical skills, attention to detail, and a proactive approach to problem-solving. They communicated complex concepts clearly and were able to translate data findings into actionable recommendations. I highly recommend bigspark to any organisation looking for a skilled and dedicated data professional.
Esure Thank you, bigspark! Your support has accelerated our AI journey by clarifying our options and providing the tools needed to make data-driven decisions. As CEO of Makaton, I now have a clearer understanding of the journey, risks, and opportunities ahead.
Case Studies
UK Financial Conduct Authority
Aizle powered more than 50% of all usage in the FCA's Digital Sandbox, helping 60+ companies — from start-ups to global banks — safely innovate with synthetic financial data across fraud detection, KYC, and consumer vulnerability use cases.
Ideation to Production for Pricing at NatWest
For over two years, bigspark embedded with NatWest's pricing teams to develop their data-driven pricing methodology across Credit Cards and Mortgages — taking ideas from initial concept through to production-grade solutions.
Transforming Complaint Handling with AI
bigspark designed a phased AI model that simplifies written submissions, reduces information-gathering effort, and strengthens decision-making — delivering early benefits while keeping humans in control at every stage.
Blogs
Why bigspark acquired Aizle: synthetic data for financial services innovation
Explore how Aizle’s synthetic data platform helps banks and fintechs innovate safely, improve fraud detection, and accelerate AI in financial services.
Analysis: AI that ‘neutralises’ call centre accents – boosting customer service or empowering fraudsters?
AI voice-masking boosts service by removing bias, but opens doors for fraudsters to sound more convincing than ever
Why Are Companies Slow to Adopt AI in Fighting Financial Crime?
Despite AI’s promise in fighting financial crime, firms remain cautious – citing regulation, cost, and data silos as barriers to adoption