--- url: 'https://qubit.capital/blog/weekly-funding-roundup-series-a-uk-feb-2026-week-3' title: 'UK Series B Weekly Funding Roundup (Feb 14-20, 2026): $141M Raised Across 2 Deals' author: name: Sagar Agrawal url: 'https://qubit.capital/blog/author/sagar' date: '2026-02-21T04:18:00+05:30' modified: '2026-02-21T12:20:40+05:30' type: post categories: - Weekly Funding Roundup image: 'https://qubit.capital/wp-content/uploads/2026/02/Banner-Image-Template-News-Article.webp' published: true --- # UK Series B Weekly Funding Roundup (Feb 14-20, 2026): $141M Raised Across 2 Deals Two Series B rounds stand out this week. A UK photonics startup and a UK-based field operations platform both secured significant funding, underscoring investor confidence in deep tech and AI-driven solutions designed for secure computing and operational safety. These investments focus on scaling innovative technologies with plans for international expansion and further development in competitive sectors. ![weekly funding roundup series b for UK based companies in feb week 3 2026. ](https://qubit.capital/wp-content/uploads/2026/02/uk_series_b_feb14-20_2026.webp) Table of Contents - [UK Photonics Startup Reaches Series B](#uk-photonics-startup-reaches-series-b) [Deal overview](#deal-overview) - [Funding](#funding) - [Company Background and Leadership](#company-background-and-leadership) - [Product/Tech](#product-tech) - [Vision/Positioning](#vision-positioning) - [Use of proceeds](#use-of-proceeds) - [Market context](#market-context) - [UK Infrastructure Platform Secures Series B](#uk-infrastructure-platform-secures-series-b) [Deal overview](#deal-overview-1) - [Funding](#funding-1) - [Company Background and Leadership](#company-background-and-leadership-1) - [Product/Tech](#product-tech-1) - [Data advantage](#data-advantage) - [Vision/Positioning](#vision-positioning-1) - [Use of proceeds](#use-of-proceeds-1) - [Market context](#market-context-1) - [Lessons for Founders](#lessons-for-founders) ## UK Photonics Startup Reaches Series B ### Deal overview Deal stage: Series B | Sector: DeepTech | Geography: UK [Optalysys](https://optalysys.com/) raised $100m in a Series B round led by Northern Gritstone, marking a significant milestone in the advancement of photonic computing in the UK. The firm, based in Leeds and founded in 2019, focuses on developing proprietary photonic chips designed for secure, high-performance computing. ### Funding Series B funding of $100m was secured with Northern Gritstone as the lead investor and previous rounds totaling $63m, indicating strong market confidence. ### Company Background and Leadership The company operates as a UK-based photonic computing firm with a clear focus on integrating secure data processing with advanced chip technology. ### Product/Tech Its photonic chips leverage silicon photonics to accelerate fully homomorphic encryption, supporting compute-intensive applications in AI and cloud environments. ### Vision/Positioning Optalysys aims to commercialize its cutting-edge chip technology and is positioning itself for further growth, including expanding into the market. ### Use of proceeds The funds will drive product development and help accelerate the commercialization of its proprietary technology. ### Market context The deal reflects rising investor interest in deep tech solutions that address security and efficiency challenges in computing. - Investment underscores the growing importance of secure photonic computing - The capital infusion is set to accelerate commercialization and potential international expansion - Strategic backing from both government and private investors reinforces market confidence ## UK Infrastructure Platform Secures Series B ### Deal overview Deal stage: Series B | Sector: Infrastructure | Geography: UK [FYLD](https://fyld.ai/) secured $41M in a Series B round led by Energy Impact Partners LP, supporting its AI-powered platform designed to enhance frontline intelligence in high-risk field environments. The funding is set to accelerate the scale of its video-based solution and support growth in key markets. ### Funding The Series B round of $41M was led by Energy Impact Partners LP with participation from Partech and its Growth Impact Fund, with deal confirmation coming in mid-February 2026. ### Company Background and Leadership Operating in the global infrastructure sector, FYLD focuses on deploying an AI-powered platform that transforms traditional field operations, contributing to significant year-over-year growth. ### Product/Tech The platform uses short video captures to detect safety, quality, and delivery risks in real time, replacing static forms with dynamic data capture. ### Data advantage Leveraging real-time video data, the platform offers a competitive edge by reducing worksite injuries by approximately 48%. ### Vision/Positioning FYLD aims to deliver operational certainty across high-risk field environments with expectations that its market will soon contribute over 40% of total revenue. ### Use of proceeds The funds will scale its AI-powered solution and accelerate market expansion across energy, water, and construction sectors. ### Market context The investment comes at a time of increasing digital adoption in high-risk sectors, emphasizing the need for innovative field operations solutions. - Investment supports scaling of an AI-driven frontline intelligence platform - The deal highlights strong growth momentum alongside targeted expansion - Capital infusion is expected to enhance operational safety and efficiency ## Lessons for Founders - Both deals are Series B rounds reflecting strong investor confidence - Investments target innovations in secure computing and AI-powered operational platforms - Funds are aimed at accelerating product development and market expansion - Strategic backing from diverse investors signals robust industry support