Best High Tech Companies in Northern Ireland, United Kingdom
The 70 best High Tech companies in Northern Ireland, United Kingdom in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Sisaf.
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 Northern Ireland
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Sisaf Provider of drug delivery nano silicon-based drug delivery systems | $33M | 66 mo ago | 18 18 → 17 (-6%) | Suzanne Siebert Founder & CEO | WordPressMySQLPHP+20 | 95 patents Silicon-based drug delivery platforms and therapeutic formulation technologies | — |
| 2 | Axial3D Developer of AI-powered 3D medical imaging solutions 64Growth top 21%Funding top 36%Talent top 38%Moat top 39% All 10 signals ▾Growthtop 21% Fundingtop 36% Talenttop 38% Moattop 39% AItop 45% Techtop 49% Fin. healthtop 49% Marketbottom 43% Globalbottom 39% Newsbottom 18% Growth: Revenue +99% YoY · Fresh capital in last 24 mo Funding: Raised $26.5M across 9 rounds · 9 rounds over 11 yrs (0.8/yr) rank vs industry peers · Fliar Intelligence Index 64/100 | $27M | 18 mo ago | 49 49 → 67 (+37%) | Daniel Crawford Founder & CSO | Cart FunctionalityWordPressMySQL+29 | — | 2 launchs |
| 3 | DeepStream Technologies Sensor manufacturer for electrical devices to save energy | $20M | 236 mo ago | 82 | — | — | 37 patents Advanced power system protection and control devices for fault current compensation and switchgear functions | — |
| 4 | HALOS Provider of cloud-based body camera solution for video surveillance | $20M | 27 mo ago | — | Matthew Nesbitt Founder | HubSpot CMS HubApple iCloud MailAmazon Web Services+28 | — | 1 partnership |
| 5 | SideQuest App-based platform offering VR games distribution solutions | $16M | 44 mo ago | 5 | Orla Harris Co-Founder & COO | TypeScriptNode.jsChart.js+22 | — | — |
| 6 | Cumulus Neuro AI and cloud-based brain physiology analysis tool for clinical trials 62Growth top 20%Funding top 30%News top 33%Moat top 39% All 7 signals ▾Growthtop 20% Fundingtop 30% Newstop 33% Moattop 39% Talentbottom 49% Marketbottom 47% Globalbottom 39% Growth: Headcount 21 → 41 (+95%) across vintages · Fresh capital in last 24 mo Funding: Raised $15.2M across 7 rounds · 7 rounds over 9 yrs (0.8/yr) rank vs industry peers · Fliar Intelligence Index 62/100 | $15M | 11 mo ago | 41 41 → 35 (-15%) | Brian Murphy Co-Founder & Chief Scientific Officer | — | — | — |
| 7 | Nuada Provider of carbon capture technology solutions 24Funding top 33%Talent top 38%Moat top 47%Patents bottom 45% All 10 signals ▾Fundingtop 33% Talenttop 38% Moattop 47% Patentsbottom 45% Globalbottom 42% Innovationbottom 39% Partnersbottom 35% Marketbottom 31% Techbottom 30% Newsbottom 20% Funding: Raised $12.8M across 11 rounds · 11 rounds over 14 yrs (0.8/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 24/100 | $13M | 14 mo ago | 19 | Conor Hamill Co-CEO | WordPressMySQLPHP+13 | 9 patents Design and use of heterocyclic boronic acid pharmaceuticals for therapeutic applications | — |
| 8 | 3DEO Provider of geospatial analytics platform for multiple industries | $6M | 38 mo ago | 14 14 → 10 (-29%) | — | — | — | 2 launchs |
| 9 | Sensoteq Developer of IoT monitoring solutions for industrial machinery 42Tech top 30%Talent top 38%Funding top 44%Growth top 45% All 11 signals ▾Techtop 30% Talenttop 38% Fundingtop 44% Growthtop 45% Producttop 47% Patentsbottom 42% Moatbottom 42% Globalbottom 41% Marketbottom 37% Innovationbottom 37% Newsbottom 22% Tech: 37 technologies across 5/8 capability areas · Cloud: Amazon Cloudfront, Amazon S3 Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 42/100 | $6M | 31 mo ago | 39 | Idir Boudaoud Co-Founder & CEO | Wix eCommerceCart FunctionalityWix+22 | 2 patents Sensor mounting hardware for precision measurement devices | — |
| 10 | Simulity Operating System provider for SIM/USIM/ISIM & M2M modules | $5M | 115 mo ago | 26 | — | — | 4 patents Virtual machine virtualization and management on hardware with integrated file system support | — |
| 11 | Causeway Sensors Nano-sized sensing chips for detection of early stage cancer | $5M | 53 mo ago | 5 | — | — | 20 patents High‑throughput multi‑well bioassay analysis and nanostructured plasmonic biomarker sensors. | — |
| 12 | Enzai AI governance platform allowing to build and deploy AI | $4M | 36 mo ago | 3 | Ryan Donnelly Co-Founder | Framer SitesRechartsReact+11 | — | — |
| 13 | Intelesens Provider of defibrillation and ECG electrodes for vital signs monitoring | $3M | 133 mo ago | 30 | — | — | 14 patents Patents concentrated in health & consumer products | — |
| 14 | Angoka Provider of cyber security solutions for machine-to-machine communications and infrastructure | $3M | 43 mo ago | 21 21 → 20 (-5%) | Daniela Menzky Co-Founder & COO | WixSentryBootstrap+13 | 14 patents Cryptographic key amplification/management and RFID tag systems for secure communications. | — |
| 15 | SpeechStorm The Personalisation Platform for Voice, Mobile and Web. | $3M | 192 mo ago | 26 | Oliver Lennon CEO | — | — | — |
| 16 | Digital Iron Generative AI and data ingestion solutions for machinery after sales | $2M | 23 mo ago | — | Ciaran Gillen Co-Founder & CEO | Framer SitesReactPriority Hints+8 | — | — |
| 17 | Kinsetsu Platform offering IoT asset tracking software | $2M | 41 mo ago | 21 21 → 13 (-38%) | Joanne O’Doherty Founder | — | — | 2 launchs · 1 partnership |
| 18 | Kami Provides platform to develop conversational assistant | $2M | 112 mo ago | 4 | Yu Fai Ho Co-Founder | — | — | — |
| 19 | Kraydel Provider of AI and cloud-based IoT solutions for remote health monitoring | $2M | 108 mo ago | 13 | — | — | 13 patents Acoustic and physiological monitoring systems with sound‑responsive and messaging capabilities | — |
| 20 | Brewbot Smart personal brewery | $2M | 140 mo ago | — | Jonny Campbell Co-Founder | — | — | — |
| 21 | Liopa Developer of visual speech recognition technology for enterprises | $1M | 70 mo ago | 7 | Fabian West Co-Founder & CTO | — | 3 patents Biometric liveness detection systems for secure user authentication | — |
| 22 | See.Sense Develops smart lights for cycles, and sensors for collecting data about city road systems | $932K | 80 mo ago | 11 11 → 12 (+9%) | Philip Mcaleese Co-Founder & CEO | Cart FunctionalityShopifyPlyr+25 | — | — |
| 23 | Wia Provider of hardware, wireless networks, and cloud analytics for energy monitoring | $920K | 106 mo ago | 10 | Conall Laverty Founder & CEO | — | — | — |
| 24 | Sensurity Perimeter Intrusion Detection Systems | $900K | 153 mo ago | 2 | Andrew Fulton Co-Founder | — | 3 patents Bistatic radar scanning systems for perimeter intrusion detection. | — |
| 25 | UMA Provider of digital assistant for enterprises to provide business intelligence | $794K | 51 mo ago | 2 | Stephen Milner Founder & CTO | WordPressApple iCloud MailMySQL+31 | — | — |
| 26 | Inclutech Provides inclusive technology solutions for public and personal safety | $549K | 11 mo ago | — | Les Hume Co-Founder & COO | — | — | 1 launch |
| 27 | HALO Body Cameras Developer of body cam and cloud-based digital asset management solutions | $298K | 29 mo ago | 11 | Alan Whitley Co-Founder | — | — | — |
| 28 | CreevX Provider of solutions for water management and monitoring | $193K | 23 mo ago | 4 | Francis Haughey CEO | — | — | — |
| 29 | Machine Eye Developer of machine vision systems for industrial automation applications | $103K | 62 mo ago | 4 | — | — | — | — |
Top 12 High Tech companies in Northern Ireland
#1
Series A · Belfast, Northern Ireland · founded 2015 · 41 employees$15.2Mraised▾
AI and cloud-based brain physiology analysis tool for clinical trials. It has a cloud-based platform and device that provides a next generation integrated physiological and digital biomarker platform that has the ability to perform assesment tests, analyse results, real-time data collection, and more for drug discovery.
- Jul 2025Series A$4.4M
- May 2021Series A$8.3M
- Oct 2020Grant (prize money)$237.8K
- Jul 2020Series A$1.4M
#2
Series A · Newtownabbey, Northern Ireland · founded 2012 · 19 employees$12.8Mraised▾
Provider of carbon capture technology solutions. It uses energy-efficient filtration machines that make carbon capture commercially viable and pave the path for zero carbon emissions in industry. It utilizes solid sorbent materials and operates via vacuum swing adsorption gas separation technology.
- 2025Grant (prize money)$2.6M
- Apr 2025Grant (prize money)$2.7M
- Jul 2023Series A$4.4M
- 2023Grant (prize money)$3.9M
#3
Series C · Belfast, Northern Ireland · founded 2014 · 49 employees$26.5Mraised▾
Developer of AI-powered 3D medical imaging solutions. The tools help medical device companies and hospitals streamline surgical planning, device development, and personalized care by automating segmentation and reducing manual effort.
- Dec 2024Series C$18.2M
- Oct 2023Series B$2.4M
- Sep 2022Series B$15M
- Mar 2021Series B$4.1M
#4
Seed · Belfast, Northern Ireland · founded 2022$548.7Kraised▾
Provides inclusive technology solutions for public and personal safety. It creates and provides solutions designed to protect vulnerable individuals and ensure their voices are heard. The company focuses on integrating inclusive design principles into its technology development process. Their work aims to contribute to a sustainable future through technological innovation.
- Jun 2025Seed$548.7K
#5
Series A · Antrim, Northern Ireland · founded 2019$20.3Mraised▾
Provider of cloud-based body camera solution for video surveillance. It provides users with a company that offers digital asset management, designed to enhance safety and security for businesses and organizations. Their technology enables real-time evidence management, improved accountability, and increased efficiency.
- Feb 2024Series A$20M
- Jan 2024Seed$319.6K
#6
Seed · Belfast, Northern Ireland · founded 2023$2.1Mraised▾
Generative AI and data ingestion solutions for machinery after sales. The platform integrates machinery manuals, CRM data, and ERP systems to create a centralized source for after-sales operations. It offers an AI-based technical assistance service that provides answers to machinery-related queries.
- Jul 2024Seed$2.1M
#7
Series A · Belfast, Northern Ireland · founded 2016 · 39 employees$5.6Mraised▾
Developer of IoT monitoring solutions for industrial machinery. Its main products are a fleet of vibration sensor-based devices that monitors the health of the machinery, diagnose it and provide warnings when repairs are needed. It also provides an analytics platform for the to view the data collected from the sensor devices. These devices feature user-replaceable batteries and waterproof bodies and cater to manufacturing, pharmaceutical, oil and gas, food and beverage, packaging, and power generation industries.
- Nov 2023Series A$3.8M
- Jan 2023Venture Debt$618.9K
- Jan 2022Seed$339.2K
- Apr 2019Seed$193.6K
#8
Series A · Belfast, Northern Ireland · founded 2019 · 5 employees$15.7Mraised▾
App-based platform offering VR games distribution solutions. It allows users to distribute games on Facebook. Users can share reviews about games and rate the games on the platform.
- Oct 2022Series A$12M
- Oct 2021Seed$3M
- Sep 2020Seed$650K
- Aug 2020Seed$500K
#9
Series B · Belfast, Northern Ireland · founded 2006 · 18 employees$32.6Mraised▾
Provider of drug delivery nano silicon-based drug delivery systems. It develops nano silicon particles for medicines, cosmetics, and nutraceuticals. Its platform uses elemental silicon particles with a honeycomb pore structure that allows controlled drug loading, targeting, and release. It also develops cosmeceuticals or nutraceuticals under the product name.
- Nov 2020Series B$13.2M
- Jul 2019Series A$3.8M
- Aug 2018Series A—
- May 2018Series A$4.3M
#10
Seed · Belfast, Northern Ireland · founded 2015 · 14 employees$6.4Mraised▾
Provider of geospatial analytics platform for multiple industries. It generates, in an automated way, 3D object models with real physical properties, from multiple data sources, and leverages technologies like 3D visualization, earth observation, and big data analytics to facilitate automated observation and interpretation.
- Mar 2023Seed$2.7M
- Aug 2021Seed$2M
- Seed$2.7M
#11
Seed · Antrim, Northern Ireland · founded 2018 · 4 employees$192.8Kraised▾
Provider of solutions for water management and monitoring. Its platform allows users to remotely monitor and collect critical data about water temperatures, room temperatures, humidity, pressure, energy consumption, vibration, and others.
- Jul 2024Seed$192.8K
#12
Seed · Belfast, Northern Ireland · founded 2021 · 3 employees$4Mraised▾
AI governance platform allowing to build and deploy AI. It provides tools for measuring progress in AI responsibility and offers actionable steps for managing AI risks. Its API enables organizations to work across functions on AI governance.
- Jun 2023Seed$4M
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
How research on Semiconductors is moving in the United Kingdom
A read on the academic research around Semiconductors — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 1,207 United Kingdom-affiliated papers.
- University of Glasgow85
- University of Cambridge62
- University of Southampton52
- Imperial College London51
- University College London44
- Integrated circuit23→43
- Photonics16→35
- Fabrication1→13
- CMOS18→29
- Scalability2→12
- Fabrication2→11
- Photonics10→18
- Reliability (semiconductor)11→18
- Transistor16→23
- MOSFET3→9
- Integrated circuit9→24
- Electronic circuit7→14
- Power (physics)3→7
- Electronics4→8
- Coupling (piping)1→5
Where semiconductors is researched across United Kingdom
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing semiconductors patents in the United Kingdom
United Kingdom semiconductors patent filing is cooling — 1,854 filings from 1,025 assignees (2016–2025), led by Advanced RISC MACH, SPTS Technologies, ST Microelectronics RES & DEV; annual filings 166→105.
- Advanced RISC MACH225
- SPTS Technologies177
- ST Microelectronics RES & DEV119
- Cambridge Display TECH97
- Nanoco Technologies84
- Flexenable69
- Plessey Semiconductors67
- Pragmatic Printing62
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.