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Top 69 Belfast Startups to Watch in 2026

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Belfast's startup scene is marked by a strong focus on deep technology and infrastructure. The city is home to a variety of companies in sectors like cloud computing, healthcare, and telecommunications.

For example, telecommunications company Fibrus has secured £355M in funding. Meanwhile, cloud management platform Cloudsmith has raised $52M to support its growth.

Below is our list of 69 Belfast startups worth keeping an eye on.

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Cloudsmith built a universal artifact management platform to help software teams securely store and distribute their packages. Their cloud-native solution gives engineering organizations a single source of truth to control their entire software supply chain.

Year Founded2016
FoundersAlan Carson, Lee Skillen
Funding Amount$52M
Startup SizeMid-Size Team (51-250)
Last Funding StatusSeries B
Top InvestorsInsight Partners, Tiger Global Management, Tapestry VC, TCV, Sorenson Capital

Sonrai Analytics builds an AI-powered discovery platform to accelerate research in precision medicine. The cloud-based tool allows biotech and pharma teams to find and validate novel drug targets by analyzing complex multi-omic data.

Year Founded2018
FoundersDarragh McArt, Deva Senevirathne
Funding Amount£2.8M
Startup SizeLean Team (11-50)
Last Funding StatusPrivate Equity
Top InvestorsForward Partners, Eckuity, Techstart Ventures, QUBIS, Co-FundNI

Neurovalens builds drug-free neurotechnology to help people improve their sleep and reduce stress. Their wearable headsets use non-invasive electrical pulses to stimulate key neurons in the brain, offering an alternative to medication.

Year Founded2013
FoundersJason McKeown, Paul McGeoch
Funding Amount$27.8M
Startup SizeFounding Team (1-10)
Last Funding StatusVenture Round
Top InvestorsBritish Business Bank, IQ Capital, Whiterock Finance, ACF Investors, Future Fund

Fibrus builds and operates a full-fibre broadband network for homes and businesses in the United Kingdom. Their service provides high-speed internet access, with a focus on connecting regional and rural communities.

Year Founded2018
Founders
Funding Amount£355M
Startup SizeLarge Team (251-1,000)
Last Funding StatusDebt Financing
Top InvestorsNational Wealth Fund, ABN AMRO Bank, ING Group, NatWest Bank, Sabadell Venture Capital

Cumulus Neuroscience builds a platform that combines at-home EEG data with digital biomarkers to monitor brain health. Their integrated system provides researchers with the real-world clinical insights needed to accelerate drug development for CNS diseases.

Year Founded2015
FoundersBrian Murphy, Ronan Cunningham, Ruth McKernan
Funding Amount£11.7M
Startup SizeLean Team (11-50)
Last Funding StatusVenture Round
Top InvestorsInnovate UK, Dementia Discovery Fund, LifeArc, Whiterock Finance, ACF Investors

Catagen builds climate technology focused on cleaning and decarbonizing the air. Their patented systems provide advanced emissions testing and new methods for producing green hydrogen and synthetic e-fuels.

Year Founded2010
FoundersAndrew Woods, Roy Douglas
Funding Amount£5.9M
Startup SizeMid-Size Team (51-250)
Last Funding StatusDebt Financing
Top InvestorsWhiterock Finance, Department for Energy Security & Net Zero, UK Department for Business, Energy, and Industrial Strategy

Re-Vana Therapeutics develops innovative drug delivery platforms for treating chronic eye diseases. These technologies enable the sustained release of both biologics and small molecules, aiming to reduce the frequency of injections for patients with ophthalmic conditions.

Year Founded2015
FoundersDavid Jones, Raghu Raj Singh Thakur
Funding Amount€16.9M
Startup SizeLean Team (11-50)
Last Funding StatusSeries A
Top InvestorsSyndicateRoom, MassChallenge, Visionary Venture Fund, InFocus Capital Partners, ExSight Ventures

Angoka develops security solutions to protect machine-to-machine communications within the IoT space. Their technology is designed for critical systems in Smart Cities and Mobility, including autonomous vehicles and drones.

Year Founded2019
FoundersDaniela Menzky, Shadi Razak, Steve Berry, Yuri Andersson
Funding Amount£2.4M
Startup SizeLean Team (11-50)
Last Funding Status
Top InvestorsSeraphim Space, 24 Haymarket, Clarendon Fund Managers, Plexal, GALLOS Technologies

B-Secur develops electrocardiogram (ECG) technology that uses a person's unique heartbeat pattern for biometric security and health monitoring. Their software and algorithms can be integrated into everyday devices, enabling partners to offer medical-grade authentication and wellness insights.

Year Founded2014
FoundersColin Anderson
Funding Amount£20.3M
Startup SizeMid-Size Team (51-250)
Last Funding StatusVenture Round
Top InvestorsClarendon Fund Managers, ADV, Kernel Capital, Upscale, British Business Bank Investments

Budibase builds an open-source, low-code platform designed for creating internal business tools. Their software gives developers and IT teams a faster way to build and customize applications, from admin panels to dashboards.

Year Founded2019
FoundersJoe Johnston, Martin McKeaveney, Michael Shanks
Funding Amount€9.2M
Startup SizeMid-Size Team (51-250)
Last Funding StatusSeed
Top InvestorsSignalFire, Angular Ventures, Techstart Ventures, Ryan Hoover, Matt Robinson

59 Additional Belfast Startups Worth Following

Our top picks only scratch the surface of what’s happening in the city. Founders are working on everything from AI to environmental tech, and they’ve raised hundreds of millions to grow their businesses. Some of these companies are brand new, while others are already well on their way. Here are the other startups that make Belfast’s tech community one to watch.

StartupIndustryYear FoundedAmount RaisedLast Funding Round
Axial3D logo Axial3DManufacturing2015€36.8MVenture Round
Sidequest logo SidequestSaaS2019€15.6MSeries A
Belfast Harbour logo Belfast HarbourLogistics1847£400kGrant
Humain logo HumainMedia2016Seed
AMPLY Discovery logo AMPLY DiscoveryAI2021€5.2MSeed
Nuada logo NuadaEnvironment2012£12.2MGrant
IceMos Technology logo IceMos TechnologyHardware2003€24MSeries E
Zenith Ai logo Zenith AiAI2020€2.6MVenture Round
Ionic Technologies logo Ionic TechnologiesEnvironment2022€11MGrant
Digital Iron logo Digital IronAI2023€2.2MPre-Seed
Weev logo WeevMobility2022£50MVenture Round
Selazar logo SelazarRetail2016£21.3MSeries A
VascVersa logo VascVersaHealthcare2018£500kSeed
Kinsetsu logo KinsetsuSaaS2016£1.6MVenture Round
RETìníZE logo RETìníZEMedia2015£3.6MVenture Round
Deep Voodoo logo Deep VoodooGaming2020€20MSeed
SciLeads logo SciLeadsAnalytics2014£534kSeed
Choice Housing logo Choice HousingHealthcare2015£70MDebt Financing
Fluid Focus logo Fluid FocusMedia2024£640kPre-Seed
Ocula Technologies logo Ocula TechnologiesAnalytics2021£3.3MSeries A
Clanmil Housing logo Clanmil HousingMedia1977£100MDebt Financing
CattleEye logo CattleEyeAgTech2019£1.8MSeed
RESPONSIBLE logo RESPONSIBLERetail2020€6.6MSeed
Ampliphae logo AmpliphaeEnterprise2014£1.9MSeed
CV6 Therapeutics logo CV6 TherapeuticsBiotech2012£8MVenture Round
Natural World Products logo Natural World ProductsEnvironment1989€28MGrant
loyalBe logo loyalBeInfrastructure2018£825kSeed
Causeway Sensors logo Causeway SensorsAnalytics2013€8.7MVenture Round
Smart Nano NI logo Smart Nano NIManufacturing2020£42.4MGrant
Thrive logo ThriveHardware2011€2.7MVenture Round
Sensoteq logo SensoteqHardware2016£3.6MVenture Round
Syndeo logo SyndeoEnterprise2017£300kSeed
Pitchbooking logo PitchbookingMarketplace2016£800kSeed
BuffaloGrid logo BuffaloGridEnergy2011€7.9MConvertible Note
LUMENSTREAM logo LUMENSTREAMHardware2017£1.6MVenture Round
Srotas Health logo Srotas HealthAI2022€500kPre-Seed
Automated Intelligence logo Automated IntelligenceAnalytics2010£3.1MVenture Round
Kairos Sports Tech logo Kairos Sports TechSports2018£2MDebt Financing
Kraydel logo KraydelInfrastructure2016€2.9MSeed
Obbi Golf logo Obbi GolfSports2016£1.3MVenture Round
Overwatch Research logo Overwatch ResearchSaaS2017€3.5MSeed
Simpli logo SimpliAI2024£320kPre-Seed
ChangeOver Technologies logo ChangeOver TechnologiesManufacturing2009€5.7MEquity Crowdfunding
GoPlugable logo GoPlugableMobility2023€197.1kPre-Seed
Enzai Technologies logo Enzai TechnologiesAI2021£3.2MSeed
Saltroad logo SaltroadAI2024£575kPre-Seed
Halo Technologies Europe logo Halo Technologies EuropeOther2019€23.5MVenture Round
WE ARE PARADOXX logo WE ARE PARADOXXRetail2018£2.2MSeed
Skurio logo SkurioSecurity2011€7.2MSeed
GenoMe Diagnostics logo GenoMe DiagnosticsHealthcare2020£2.3MSeed
DisplayNote Technologies logo DisplayNote TechnologiesHardware2012€3.1MSeries B
arc-net logo arc-netAnalytics2014£2MVenture Round
Haru logo HaruRetail2017£450kSeed
INQDATA logo INQDATAFintech2023£750kSeed
Liopa logo LiopaAI2015€1.6MDebt Financing
3DEO NI logo 3DEO NIAnalytics2015£750kSeed
DName-iT logo DName-iTBiotech2014£500kSeed
Titanic Distillers logo Titanic DistillersFood2021£5MSeed
42 Genetics logo 42 GeneticsAnalytics2019£873.8kEquity Crowdfunding

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