IoT Startups

SmartSkin makes sensor-based "container twins" that travel through manufacturing lines to measure pressure, impact, vibration, and tilt, paired with software that turns the readings into actionable data. It serves manufacturers running conveying, filling, and packaging lines, helping them locate and reduce container damage and improve line performance.

2 investors

Smartfrog is a consumer IoT SaaS company that offers a DIY smart home security subscription service with connected devices, and has expanded into smart locks, in-home delivery, and access verticals via its hardware-independent AnyLock technology. It serves consumers across product areas including home security, baby and pet care, and elder/healthcare, with users in over 180 countries.

2 investors

SmartRent provides software and hardware solutions for rental housing operators, including smart home technology, access control, self-guided tours, and property management integrations. The company serves multifamily and rental communities with an integrated platform for automating residential properties.

2 investors

Soarchain operates a DePIN (decentralized physical infrastructure) network that turns vehicles into connected, real-time data hubs via a plug-in device (Soarchain Mini) and app, letting drivers securely share anonymized vehicle data and earn crypto rewards. The network applies this data to use cases such as route optimization and predictive maintenance, supporting AI and connected mobility applications.

2 investors

Solace provides an event-driven platform for streaming and distributing real-time data across applications, equipment, and services, supporting integrations across multiple protocols and programming languages. It serves banks and capital markets, manufacturers, retailers, and transportation/logistics operators such as airlines, airports, and ports.

2 investors

SolarGaps develops solar-powered smart window blinds that generate electricity while providing shading, aimed at homes, offices, and cities pursuing Net Zero energy goals. The company operates in the renewable energy and cleantech space.

2 investors

SolusGuard provides lone worker safety solutions including a mobile safety app, wearable panic buttons, alert monitoring, and satellite communication for workers who operate alone or in high-risk environments. It serves organizations in sectors such as social services, home healthcare, property management, utilities, mining, and government agencies to support emergency response and compliance.

2 investors

Soundskrit develops MEMS directional microphones that filter environmental noise to capture high-quality audio in compact form factors for consumer devices. The technology enables audio capture in conferencing, voice interaction, and other applications by replacing large multi-microphone arrays with a single directional chip.

2 investors

Source.dev develops development tools for device software, leveraging deep expertise from building and maintaining Android and related operating systems at scale. The company serves device manufacturers and software engineers working on smart devices and embedded systems.

2 investors

SPARK Microsystems develops ultra-wideband (UWB) wireless connectivity technology for applications including Physical AI, XR, audio, gaming, human interface, and IoT devices.

2 investors

Spectralink builds enterprise mobility and mobile communication solutions for mission-critical, frontline work environments. Founded in 1990, the company provides mobile devices and communication tools aimed at helping frontline workers stay connected and collaborate.

2 investors

Splice N Connect builds a clamp-on, non-invasive smart sensor and cloud analytics platform for continuous monitoring and predictive analytics of cable splices and terminations, the most failure-prone points in power cable systems. It serves distribution utilities, data centers, oil and gas, renewable energy, maritime, and industrial and mining operators seeking early warning of insulation degradation.

2 investors

SpotmyEnergy offers a home energy management solution combining a smart meter, home energy management system (HEMS), and dynamic time-of-use electricity tariffs to control PV systems, heat pumps, EV chargers, and home battery storage. The product is aimed at German households looking to reduce electricity bills, cut grid fees, and increase energy self-sufficiency.

2 investors

Springdel builds an enterprise-grade EdgeOps platform (Springmatic) for managing and running interactive edge devices at scale, offering fleet visibility, device and data control, and AI-ready deep-learning insights. It positions itself as a next-generation alternative to legacy Mobile Device Management (MDM/UEM) tools, serving large enterprise customers across multiple industries.

2 investors

SRL supplies and hires portable and temporary traffic management equipment, including traffic signals, variable message signs, and site CCTV and monitoring cameras. It serves construction, roadworks, and events sectors with equipment hire and support across the UK.

2 investors

SST Wireless provided industrial Internet of Things (IoT) products; its assets were acquired by TMS in January 2026.

2 investors

Stepwise develops smart load management technology that enables homeowners to add electric appliances like EV chargers, heat pumps, and hot tubs without panel upgrades. The company serves residential customers in the U.S. seeking affordable home electrification solutions.

2 investors

Sternum provides an embedded security and observability platform for IoT and connected device manufacturers, using patented runtime integrity verification (EIV) to prevent memory and command injection attacks, monitor device fleets, and detect threats with AI. Its agentless on-device solution serves manufacturers across sectors such as medical devices, supporting over 50 platforms with low performance overhead.

2 investors

SUNDA provides a prepaid water payment and collection system designed to ensure sustainable maintenance of water infrastructure in sub-Saharan Africa. The company helps increase access to safe water for communities while reducing child mortality and protecting vulnerable populations from dangers encountered when fetching water from distant sources.

2 investors

Sundata provides a solar panel management platform that monitors performance and detects faults across residential solar installations. The platform serves housing corporations, solar installers, and energy providers with centralized dashboards for asset management, customer service, and maintenance operations.

2 investors

Surfact makes sensor hardware paired with a live dashboard and API integrations for real-time cold chain monitoring, helping track the temperature and integrity of food and pharmaceutical shipments. Its sensors are made from recycled ocean plastics, aiming to reduce waste in temperature-sensitive logistics.

2 investors

Swell Energy provides residential solar generation and home battery storage, and networks together customers' systems into virtual power plants in partnership with US utilities. It offers Compass, an energy control platform that monitors, optimizes, and monetizes home energy systems, and helps homeowners access rebates and financing.

2 investors

Switch Automation offers a smart building platform that ingests and harmonizes IoT and building system data to help property owners and facility managers monitor operations, detect alerts, and improve energy efficiency. Its tools include the Switch Dx3 discovery tool for auditing building networks and analytics for portfolio benchmarking, carbon reduction, and cost savings across real estate portfolios.

2 investors

Switchee provides smart thermostats, connected sensors and a data platform that give social landlords real-time insight into home conditions to detect mould, reduce fuel poverty, support decarbonisation and meet compliance obligations. Its products serve UK social housing providers, with an Open API that integrates with housing management systems and property maintenance platforms.

2 investors