Best High Tech Companies in Sheffield, United Kingdom
The 36 best High Tech companies in Sheffield, United Kingdom in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Iceotope.
Our analysis of 67 High Tech companies
$59.6b in tracked funding; 89% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best High Tech companies in Sheffield
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Iceotope Manufacturer of precision liquid cooling systems for computer hardware components 53Innovation top 12%Patents top 13%Moat top 26%Funding top 30% All 12 signals ▾Innovationtop 12% Patentstop 13% Moattop 26% Fundingtop 30% Talenttop 38% Techtop 49% Producttop 49% Globaltop 50% Marketbottom 46% Growthbottom 37% Fin. healthbottom 23% Newsbottom 21% Innovation: 175 patents (top 9% of patent-holders) · 119 filings since 2022 vs 38 in 2017-21 Patents: 175 patents matched (strict assignee match) · 119 filings since 2022 vs 38 in 2017-21 rank vs industry peers · Fliar Intelligence Index 53/100 | $46M | 4 mo ago | Series B | David Craig Co-CEO | 2005 | WebflowGSAPLinkedin Insight Tag+14 | 175 patents Liquid immersion cooling systems for high‑power electronic modules and devices | 1 award |
| 2 | Additive Manufacturing Technologies Manufacturer of post-processing tools for 3D printed objects 57Innovation top 25%Patents top 25%Moat top 29%Growth top 30% All 9 signals ▾Innovationtop 25% Patentstop 25% Moattop 29% Growthtop 30% Fundingtop 39% Techtop 47% Globalbottom 42% Marketbottom 30% Newsbottom 27% Innovation: 104 patents (top 10% of patent-holders) · 54 filings since 2022 vs 50 in 2017-21 Patents: 104 patents matched (strict assignee match) · 54 filings since 2022 vs 50 in 2017-21 rank vs industry peers · Fliar Intelligence Index 57/100 | $25M | 58 mo ago | Series B | — | 2017 | WordPressApple iCloud MailMicrosoft 365+31 | 104 patents Patents concentrated in transport & manufacturing processes | — |
| 3 | Phase Focus Provider of virtual lens that generates High definition images without high-quality lenses | $12M | 36 mo ago | Acquired | Martin Humphry Chief Executive Officer | 2006 | Concrete CMSPHPVimeo+15 | 135 patents Object tracking and temporal behavior analysis using 3D imaging and computer vision | — |
| 4 | Sitehop Provider of networking and cyber security services | $7M | 30 mo ago | Seed | Melissa Chambers Co-Founder & CEO | 2021 | — | — | — |
| 5 | Sitehop Provider of network security solutions for enterprises 14Talent top 38%Funding top 39%Global bottom 37%Tech bottom 33% All 5 signals ▾Talenttop 38% Fundingtop 39% Globalbottom 37% Techbottom 33% Marketbottom 17% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Funding: Raised $6.3M across 2 rounds · 2 rounds over 2 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 14/100 | $6M | 11 mo ago | Series A | Ben Harper Co-Founder & CTO | 2021 | WordPressMySQLPHP+15 | — | — |
| 6 | BOW Robotics software platform | $5M | 19 mo ago | Seed | — | 2020 | — | — | — |
| 7 | Aegiq Provider of quantum photonics hardware for communications | $5M | 39 mo ago | Seed | Scott Dufferwiel Co-Founder & CTO | 2019 | NginxMicrosoft 365IONOS+3 | 11 patents Quantum photonic hardware: single‑photon sources, chip‑fiber interfaces, and free‑space QKD systems. | 1 launch |
| 8 | SleepCogni Provider of a bedside sleep device to induce sleep 16Innovation top 32%Product top 46%Talent bottom 49%Funding bottom 45% All 8 signals ▾Innovationtop 32% Producttop 46% Talentbottom 49% Fundingbottom 45% Globalbottom 32% Techbottom 31% Newsbottom 18% Marketbottom 10% Innovation: 2 product lines · Deep-tech classification: Tech Hardware Product: 2 distinct product lines · Company stage: Series A rank vs industry peers · Fliar Intelligence Index 16/100 | $4M | 21 mo ago | Series A | Maan Werken Founder & CSO | 2015 | — | — | — |
| 9 | Elaros 24/7 Handheld device to keep accurate bladder diary | $993K | 80 mo ago | Seed | Paul O'Brien CEO | 2011 | — | — | — |
| 10 | Airstoc Professional drone operators marketplace | $700K | 124 mo ago | Seed | — | 2014 | — | — | — |
| 11 | Rivelin Robotics Developer of robotic technology for the manufacturing industry | $350K | 52 mo ago | Seed | Robert Bush Founder & CEO | 2018 | ReactAmazon Web ServicesNetlify+6 | 2 patents Patents concentrated in computing, sensing & instrumentation | — |
| 12 | BiBCOM Video surveillance on Mobile phone | $240K | 230 mo ago | Deadpooled | Easa Oskouei Founder | 2005 | — | — | — |
| 13 | Alarmonit Provider of cloud and AI-based integrated video analytics systems | $140K | 64 mo ago | Seed | Robert Bell Co-Founder | 2018 | — | — | — |
Top 12 High Tech companies in Sheffield
#1
Series B · Sheffield, England · founded 2005 · 114 employees$46Mraised▾
Manufacturer of precision liquid cooling systems for computer hardware components. These systems utilize dielectric fluid to remove heat from processors, memory, storage, and power supply units. The technology supports high-density computing environments by managing thermal loads and reducing energy consumption. The hardware is designed for deployment in data centers and edge computing facilities to maintain performance levels for intensive workloads.
- May 2026Series B$26M
- Jan 2025Series B$7.1M
- Jun 2022Series B$36.8M
- Jun 2021Series A$4.2M
#2
Series A · Sheffield, England · founded 2021 · 7 employees$6.3Mraised▾
Provider of network security solutions for enterprises. Provides hardware-enforced device allows for rapid data processing and maintaining network security. The FPGA architecture allows for encryption and decryption processes to be executed in nanoseconds, achieving latencies as low as 835 nanoseconds.
- Oct 2025Series A$10.1M
- Feb 2024Seed$6.3M
#3
Series A · Sheffield, England · founded 2015 · 3 employees$4.4Mraised▾
Provider of a bedside sleep device to induce sleep. It customizes the treatment based on the user's physiological profile and sleep environment and delivers a program of audio, visual, and tactile cues to the user. The device is triggered manually and monitors the user's heart rate, mental alertness, skin temperature, and movement through sensors worn on the user's index finger.
- Dec 2024Series A$379.7K
- Nov 2021Series A$1.9M
- Nov 2021Conventional Debt—
- Jul 2021Seed$660.5K
#4
Seed · Sheffield, England · founded 2020 · 9 employees$5Mraised▾
Robotics software platform. It allows developers to write code without hardware commitments. It offers a simulated environment for developers to simulate code before making any purchases. It also offers a robotics software engine that enables users to write code for robots.
- Jan 2025Seed$5M
#5
Acquired · Sheffield, England · founded 2006 · 10 employees$12.1Mraised▾
Provider of virtual lens that generates High definition images without high-quality lenses. It develops a lensless imaging method. It also finds analytical applications in life sciences and engineering metrology and in multiple wavelength regimes like visible light, X-ray, electron, and others.
- Aug 2023Series B$191.2K
- Jul 2012Series B$5M
- Jul 2009Series A$5.7M
- Feb 2008Seed$1.2M
#6
Seed · Sheffield, England · founded 2021 · 7 employees$6.6Mraised▾
Developer of an enterprise network management platform designed to provide encryption for telecoms and data networks. The company's platform helps to provide ultra-low latency, low-power encryption and create secure private networks without physical interconnections and safeguard internet of things systems, enabling telecom service providers to secure their network without affecting quality.
#7
Series B · Sheffield, England · founded 2017 · 17 employees$25Mraised▾
Additive is a manufacturer of post-processing tools for 3D printed objects. The company offers products such as PostPro®Mini, PostPro®3D, PostPro®3D PRO, PostPro®DP, and PostPro®DP PRO. It has partnered with Mitsubishi Electric, Innovate UK, Foresight, and DSM.
- Oct 2021Series B$15M
- Apr 2021Grant (prize money)$120.3K
- Mar 2021Series A$3.5M
- Oct 2019Series A$5.2M
#8
Seed · Sheffield, England · founded 2019 · 5 employees$4.8Mraised▾
Provider of quantum photonics hardware for communications. It develops satellite and fibre-based quantum key distribution technology for cybersecurity applications. It also develops a photonic platform that entangles quantum computing nodes, and enables quantum resource distribution. It provides broadband quantum communication, imaging and microscopy, and scalable quantum computing systems.
- 2023Seed—
- Sep 2022Grant (prize money)—
- May 2022Seed$509K
- Jan 2022Seed$2.5M
#9
Seed · Sheffield, England · founded 2011 · 7 employees$993Kraised▾
Elaros offers the handheld device to keep an accurate bladder diary. The device helps in the process of recording information that enables the patient to take control and management of bladder issues. The information gathered from the handheld device is uploaded remotely to the cloud which provides an immediate clinical diagnosis and recommended clinical action. The system also produces lifestyle alerts to help patients manage their own conditon.
- Jan 2020Grant (prize money)$15.5K
- Jan 2016Seed$831.5K
- Apr 2014Seed$161.5K
#10
Seed · Sheffield, England · founded 2018 · 6 employees$349.8Kraised▾
Developer of robotic technology for the manufacturing industry. It develops software and tooling for metalworking robots, with a focus on the cutting, grinding, and polishing of metal. It incorporates robotics technology into metalworking processes to enable automation in the manufacturing process.
- Apr 2022Seed$349.8K
#11
Seed · Sheffield, England · founded 2014 · 1 employees$700Kraised▾
Airstoc is a dedicated marketplace for professional drone industry, connecting customers with operators around the world. Built a simple platform to enable customers to book bespoke work, from initial quote to confirmation, for any industry and in various location across the globe. Their operators are equipped to carry out a wide range of jobs and are currently spread across 68 countries services of photography, full video production, aerial mapping or cinematic filming etc. They showcase and sell exclusive aerial stock footage, showing new perspectives and angles. As of September 2018, the company is defunct.
- Apr 2016Seed$700K
#12
Seed · Sheffield, England · founded 2018 · 1 employees$139.9Kraised▾
Provider of cloud and AI-based integrated video analytics systems. It integrates with security camera networks to analyze video feeds, and prevent false alarms. Its features include false alarm filtering, real-time alerts, AI-based analytics, remote access, and image-recognition engines. It also sends real-time notification alerts to users using a third-party mobile application.
- May 2021Seed$139.9K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of High Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
What Sheffield researches in semiconductors
- University of Sheffield36
- Sheffield Hallam University2
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.