Hardware Startups

HAVEN offers connected monitoring and automation systems for residential indoor air quality, managing ventilation, filtration, humidity, and radon through professional installation and ongoing software support.

1 investor

Hawk Ridge Systems resells engineering and design software (including SOLIDWORKS and CAMWorks), 3D printers and scanners (including Markforged), and provides technical support, consulting, custom parts manufacturing, and instructor-led training for designers, engineers, and manufacturers. The company serves customers across the product lifecycle from design through manufacturing in North America.

1 investor

Digi International is a technology company that builds and manages connectivity hardware and IoT infrastructure for enterprises requiring secure, always-on systems. Its offerings span network resilience, device-to-cloud IoT platforms, and compliance monitoring across supply chains and facilities.

1 investor

HAXTRON is a Polish company developing PROBE, an aerial robotic platform built around a turbine engine mono-unit designed to operate in extreme conditions and withstand physical contact with surrounding objects. The platform can be fitted with sensors for industrial inspections (including ATEX-rated areas) and used in marine or fire search-and-rescue missions.

1 investor

Hayfield Window & Door manufactures windows and doors for residential and contractor use, with product lines including Vinyl Classics, Heritage Series, and Specialty Windows. The company has operated manufacturing facilities in Minnesota, USA since 1951.

1 investor

Haylon Technologies develops battery management systems and software for optimizing performance across drones, electric vehicles, grid storage, and space applications. The company provides hardware and firmware solutions that enable advanced battery chemistries to deliver longer flight times, faster charging, improved reliability, and extended operational range.

1 investor

Hayward manufactures energy-efficient pumps, filters, heaters, and connected automation systems for residential and commercial pools and outdoor living spaces. The company serves pool owners and professionals with both equipment and digital connectivity solutions to reduce maintenance and energy costs.

1 investor

Hayzel develops technology that captures wasted potential energy from HVAC expansion valves and converts it into electricity to power cooling systems, reducing energy consumption and carbon footprint for building owners. The patented solution installs onto existing chillers without major infrastructure changes.

1 investor

HazTrack makes a rugged IoT sensor for remote monitoring of tank levels in the used cooking oil (UCO) collection industry, providing +/-1% accuracy, theft detection, fill-threshold alerts, and API integration with CRM or routing platforms. The device is designed for extreme climates and helps UCO collectors optimize routing, scheduling, billing, and inventory management.

1 investor

HCmed Innovations develops inhaled drug delivery devices, including breath-actuated and continuous mode mesh nebulizers, along with connected mobile applications for monitoring treatment adherence. It offers CDMO services covering development, clinical supply, regulatory support, and commercialization of drug-nebulizer combination devices for pharmaceutical partners.

1 investor

HCS custom designs, engineers, and manufactures bespoke equipment to client work scopes, supported by in-house welding across carbon steel, stainless steel, duplex, inconel, titanium and other alloys. The company provides end-to-end project management, purpose-built facilities with pressure test bays and cranes, and a network of approved suppliers and specialist contractors.

1 investor

HDT Global designs and manufactures military support systems and robotics, including ground support equipment for aircraft and drones, missile transporters, autonomous vehicles, and infrastructure systems for military operations.

1 investor

He-Man manufactures dual control systems for vehicles to enable safer driving instruction. The company designs and produces cable-based controls for right and left hand drive vehicles across manual, automatic, electric and hybrid platforms, serving UK driving instructors, motor manufacturers, and vehicle dealerships.

1 investor

He-Man Dual Controls designs and manufactures custom-built dual control systems for vehicles, primarily used in driving instruction, with fitting available at its facility or through an approved UK installer network. The company applies British engineering with a focus on safety, quality, and bespoke installation per vehicle.

1 investor

Healers PetCare develops medical and wellness products for dogs, including therapeutic booties, wraps, topical treatments, and nutritional supplements designed to support paw injury healing and pet health recovery.

1 investor

HeartBeam develops a portable, cable-free ECG system centered on the credit card-sized AIMIGo device that synthesizes a 12-lead ECG for assessing arrhythmias. It pairs patient-captured recordings with cloud analysis and cardiologist review to provide clinical-grade cardiac data outside clinical settings.

1 investor

Kamedi GmbH makes heat it®, a smartphone-connected medical device (Class IIa) that treats itching and pain from insect bites by applying concentrated heat (about 51 °C) to the skin, controlled via a free companion app. The chemistry-free device plugs into a phone's charging port and is aimed at consumers and families for use on mosquito, horsefly, bee, and wasp stings.

1 investor

Heatbit makes home hardware combining an air purifier with a built-in solo Bitcoin miner, aimed at consumers curious about Bitcoin who want a quiet, appliance-style miner for living spaces. Its multi-stage filtration captures airborne particles while the device contributes hashrate to the Bitcoin network, managed through a companion app.

1 investor

Hedgehog Applications develops smart and sustainable charging solutions, including wireless and adaptive technologies for electric vehicles and smart city infrastructure.

1 investor

HEDS UP manufactures a communication device for snowmobilers that alerts riders to nearby other device users on remote trails and enables distress signaling. The device is designed for outdoor enthusiasts seeking safety and peace of mind while snowmobiling.

1 investor

HEICO Corporation is a technology-driven aerospace, defense, industrial and electronics company operating two segments: a Flight Support Group supplying aftermarket aircraft parts and FAA DER repair/overhaul solutions to airlines, OEMs and the U.S. military, and an Electronic Technologies Group designing and manufacturing electro-optical and electronic products for aerospace, defense, space, medical and electronics markets. It is publicly traded (NYSE: HEI, HEI.A).

1 investor

Helio Display Materials develops perovskite-based materials for colour conversion in next-generation display technology, offering high conversion efficiency, narrow emission, and high optical density. The company builds on fundamental IP exclusively licensed from Oxford and Cambridge Universities and is scaling its materials to pilot production for display manufacturers and partners.

1 investor

Quantum Light Ltd is a boutique investment banking and venture advisory firm serving early-stage deep-tech founders in quantum computing, photonic communications, quantum sensing, AI hardware, and cybersecurity. It combines capital strategy, structured financing, and M&A advisory with hands-on prototyping support through its electronics lab in Bristol, UK.

1 investor

Heliox Energy develops portable DC fast-charging hardware for electric vehicles including cars, buses, and trucks. The Mobile product line offers plug-and-play charging units ranging from 10 kW to 40 kW that require only a standard AC outlet connection, enabling fleet operators to deploy charging capacity flexibly across depots and work sites.

1 investor