Fintech platform Bite Stream raises £18.5m from NewSpring Growth
At a glance
This article covers strategic growth capital on 30 September 2025 for Bite Stream, a cloud-based, end-to-end platform for managing alternative investments, founded by Henry Talbot Ponsonby and William Rudebeck. The round raised £18.5m, led by NewSpring Growth and NewSpring Capital.
What does Bite Stream do?
Bite Stream is a cloud-based, modular platform that centralises investor and manager workflows for alternative asset management. It provides a single portal for onboarding, fundraising, reporting, communication and consolidated investor holdings.
Why is Bite Stream useful?
Problem
People and managers in private markets use siloed, legacy systems that complicate onboarding, reporting and investor communication. This makes it hard for investors to view holdings and for managers to run fundraising efficiently.
Solution
Bite Stream explains that it provides a single cloud hub that unifies investor and manager workflows, streamlining onboarding and communications. It lets investors view all holdings in one place and supports fundraising and reporting.
How much did Bite Stream raise?
Bite Stream raised £18.5m ($25m) in strategic growth capital from NewSpring Growth. This makes it the 21st largest funding round in September 2025 (66 recorded). By size, the round comes in 96th for 2025 (473 recorded) in the Startupmag database, as of 30 September 2025.
For details on how Startupmag compiles its rankings, view our Methodology.
Who invested in Bite Stream?
Key investor in the funding was:
- NewSpring Growth (NewSpring Capital): A growth equity strategy that invests in technology and other sector businesses in the lower-middle market, focusing on growth-stage companies.
In the funding announcement, Jonathan Brassington from NewSpring Capital said:
Bite Investments reflects the kind of forward-looking innovation that aligns perfectly with NewSpring’s investment strategy. Their integrated platform is redefining how private markets connect investors and managers, making the industry more transparent, scalable, and accessible.
The investor added that it will partner with Bite Investments’ team to accelerate the company's global growth and help shape the future of alternative investments.
If you're researching potential backers in this space:
- Explore our list of fintech venture capital firms in the UK
- Browse our directory of fintech angel investors in the UK
Who founded Bite Stream?
The founders of Bite Stream are William Rudebeck and Henry Talbot Ponsonby.
In the funding announcement, William Rudebeck, Co-Founder and CEO of Bite Investments explained:
“We’re delighted to have secured the support of NewSpring. Throughout the process, we prioritized finding a partner who brought more than just capital, helping Bite Investments on its journey to become the leading investor software solution for the alternative asset management industry.”
The company continued that NewSpring is led by serial entrepreneurs and operators with more than 25 years' experience driving digitisation in software and tech-enabled services, and that NewSpring understands asset and wealth management and sees potential in Bite's integrated services to foster innovation in private markets.
In the funding announcement, Henry Talbot Ponsonby, Co-Founder of Bite Investments said:
“Our journey over the past 15 years has been about building a business that truly understands the complexities of alternative investments. This funding marks the start of an exciting new chapter where we accelerate innovation, deepen our product offerings, and strengthen our global reach to better serve our clients and the market as a whole.”
The company continued the funding will support combining proven expertise, modern technology and a service model created by alternative managers to change investor engagement.
Where is Bite Stream based?
Bite Stream is based in London, UK.
What sector is Bite Stream in?
Bite Stream operates in the fintech sector. The sector builds digital tools that improve financial services and investing. In plain terms, it makes managing money and investments faster and simpler for people and firms.
Key trends and challenges in Fintech:
Regulatory complexity
Firms face growing regulation such as AML checks and GDPR, increasing costs and slowing product launches.
Legacy systems and platform consolidation
Banks and fintechs are replacing siloed legacy systems with cloud platforms, improving speed and reducing integration headaches.
Cybersecurity and data protection
Ransomware and data breaches are rising, so firms must invest in stronger defences and regular audits.
For a deeper look at innovation in this space, see the fintech startups in the UK.
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