Best IoT Applications Companies in London, United Kingdom
The 83 best IoT Applications companies in London, United Kingdom in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Open Energi.
Ranked: Best IoT Applications companies in London
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Stage | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Open Energi Provider of AI and cloud-based load management systems 24Moat top 32%Product top 37%Innovation top 40%Funding top 41% All 10 signals ▾Moattop 32% Producttop 37% Innovationtop 40% Fundingtop 41% Patentstop 45% Growthbottom 42% Globalbottom 40% Marketbottom 37% Techbottom 29% Fin. healthbottom 26% Moat: Editorial + unicorn rating 5/10 · IP moat: 56 patents Product: 0 product launch events in 12 mo · 7 distinct product lines rank vs industry peers · Fliar Intelligence Index 24/100 | $167M | 116 mo ago | 26 | — | — | Acquired | 56 patents Advanced control of power electronics and battery storage for smart grid applications | — |
| 2 | Reactive Technologies Developer of cloud-based demand-side management solutions 57Patents top 22%Moat top 28%Innovation top 29%Funding top 29% All 10 signals ▾Patentstop 22% Moattop 28% Innovationtop 29% Fundingtop 29% Growthtop 42% Globaltop 48% Fin. healthbottom 49% Talentbottom 49% Techbottom 48% Marketbottom 47% Patents: 71 patents matched (strict assignee match) · 2 filings since 2022 vs 1 in 2017-21 Moat: Editorial + unicorn rating 8/10 · IP moat: 71 patents rank vs industry peers · Fliar Intelligence Index 57/100 | $95M | 25 mo ago | 58 | Marc Borrett Co-Founder & CEO | WordPress Block EditorElementorWordPress+25 | Series D | 71 patents Patents concentrated in computing, sensing & instrumentation | 1 job opening |
| 3 | Converge Provider of concrete monitoring solutions, data management, and AI-powered mix insights 69Innovation top 23%Growth top 32%Product top 32%AI top 35% All 10 signals ▾Innovationtop 23% Growthtop 32% Producttop 32% AItop 35% Fundingtop 36% Moattop 39% Techtop 47% Talentbottom 49% Marketbottom 43% Globalbottom 39% Innovation: 4 product lines · Deep-tech classification: Tech Hardware Growth: Headcount 27 → 36 (+33%) across vintages · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 69/100 | $19M | 13 mo ago | 36 36 → 77 (+114%) | Gideon F Co-Founder & CTO | WebflowThree.jsGSAP+25 | Series B | — | — |
| 4 | GripAble Provider of cloud-based rehabilitation device with a companion app for the patients 53Growth top 21%Funding top 32%AI top 45%Talent bottom 49% All 8 signals ▾Growthtop 21% Fundingtop 32% AItop 45% Talentbottom 49% Productbottom 48% Techbottom 45% Globalbottom 37% Marketbottom 27% Growth: Headcount 11 → 27 (+145%) across vintages · Fresh capital in last 24 mo Funding: Raised $16.5M across 6 rounds · 6 rounds over 9 yrs (0.7/yr) rank vs industry peers · Fliar Intelligence Index 53/100 | $17M | 3 mo ago | 27 27 → 17 (-37%) | Mike Mace CTO - Cofounder | WordPressMySQLSalesforce+22 | Series A | — | — |
| 5 | Palarum Provider of eTextile wearable technology for patients 45Innovation top 23%Product top 36%Talent top 38%Funding top 46% All 7 signals ▾Innovationtop 23% Producttop 36% Talenttop 38% Fundingtop 46% Techtop 49% Globalbottom 37% Marketbottom 25% Innovation: 9 product lines · Deep-tech classification: Tech Hardware Product: 9 distinct product lines · Company stage: Series A rank vs industry peers · Fliar Intelligence Index 45/100 | $11M | 13 mo ago | — | Chris Baker Co-Founder & VP Of BD & Marketing | WordPressApple iCloud MailMySQL+28 | Series A | — | 1 launch |
| 6 | ThingCo Provider of an AI & cloud-driven telematics solution 16Talent top 38%Moat top 39%Funding top 48%Global bottom 39% All 7 signals ▾Talenttop 38% Moattop 39% Fundingtop 48% Globalbottom 39% Techbottom 34% Marketbottom 25% Newsbottom 22% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Moat: Editorial + unicorn rating 7/10 · 10 curated direct competitors tracked rank vs industry peers · Fliar Intelligence Index 16/100 | $4M | 10 mo ago | 24 24 → 23 (-4%) | Jonathon Valentine Co-Founder & CIO | styled-componentsReactGatsby+7 | Series A | — | — |
| 7 | OpenSensors SaaS-driven IoT-enabled building management solution | $4M | 66 mo ago | 5 | Yodit Stanton Founder & CEO | — | Seed | — | — |
| 8 | Virtual Power Solutions Virtual power plant management and energy management softwares | $2M | 68 mo ago | — | J Basilio Simoes Co-Founder & COO | — | Deadpooled | — | — |
| 9 | Ondo Insurance risk transfer and reduction solutions for home insurers | $2M | 30 mo ago | 5 | Craig Foster Founder & CEO | WordPress Block EditorWordPressMySQL+19 | Public | — | 1 partnership |
| 10 | LAIIER Provider of cloud-based smart buildings solutions 35Growth top 35%Innovation top 46%Patents top 46%Funding top 47% All 9 signals ▾Growthtop 35% Innovationtop 46% Patentstop 46% Fundingtop 47% Talentbottom 49% Techbottom 42% Moatbottom 42% Globalbottom 36% Marketbottom 25% Growth: Fresh capital in last 24 mo Innovation: 5 patents (top 83% of patent-holders) · 5 filings since 2022 vs 0 in 2017-21 rank vs industry peers · Fliar Intelligence Index 35/100 | $2M | 18 mo ago | — | Isabel Vila Co-Founder | HubSpot CMS HubApple iCloud MailSplide+16 | Seed | 5 patents Fluid leak detection sensors and differential pest monitoring sensor technologies. | — |
| 11 | Pearlstone Provider of cloud-based solution for commercial and industrial demand side response | $2M | 34 mo ago | 2 | Azad Camyab Founder & CEO | — | Seed | — | — |
| 12 | KiWi Power SaaS-driven building energy management solution for buildings | $2M | 90 mo ago | 3 | — | — | Deadpooled | — | — |
| 13 | Smart Container Provider of real-time tracking solutions for returnable containers used for liquids | $1M | 56 mo ago | 7 | — | — | Seed | 12 patents Liquid level and quality sensing in containers using electronic monitoring devices. | — |
| 14 | Unite Technologies Provider of energy management solutions | $1M | 189 mo ago | 21 | — | — | Acquired | — | — |
| 15 | EAMS Group Enterprise asset and safety management solutions and services provider | $915K | 92 mo ago | 182 | — | — | Acqui-Hired | — | — |
| 16 | MY ZeERO Provider of energy monitoring, analysis, and optimization solutions | $792K | 84 mo ago | 11 | — | — | Series A | — | — |
| 17 | addvantage Provider of dual-fuel technology that reduces emissions and fuel costs | $674K | 87 mo ago | 1 | — | — | Seed | — | — |
| 18 | GridDuck Automated demand response platform for aggregators and installs hardware devices | $416K | 63 mo ago | 4 | Gregor Hoefter Co-Founder & CEO | — | Seed | — | — |
| 19 | Doordeck Provider of cloud-based access control systems | $272K | 72 mo ago | 3 | — | Webflow EcommerceCart FunctionalityWebflow+17 | Seed | — | — |
| 20 | Findaa Provider of IoT-enabled asset tracking solutions | $251K | 63 mo ago | 2 | Simon Rowell Co-Founder | — | Seed | — | — |
| 21 | Lokcom Network Provider of a cloud-based platform for remotely managing and controlling connected locks for hotels | $191K | 110 mo ago | 1 | Harry Chathli Co-Founder & Chairman | — | Seed | — | — |
| 22 | Pycno Integrated solutions using sensors for agricultural farms | $164K | 99 mo ago | 1 | Nahuel Lavino Co-Founder | — | Series A | — | — |
| 23 | Sentry Global Provider of asset tracking and protection devices using GPS technology | $129K | 68 mo ago | 1 | Stephen Roberts Founder & CEO | — | Seed | — | — |
| 24 | SMAP Energy Smart meter analytics SaaS for energy retailers | $84K | 93 mo ago | 11 | Adnan Mortada Co-Founder | — | Acquired | — | — |
| 25 | Sonodot Cloud based asset monitoring and tracking platform | $18K | 96 mo ago | 2 | Niccolo Corsini Founder & CEO | — | Seed | — | 1 job opening |
| 26 | Prognostic Provider of a cognitive diagnostics & decisions engine | $17K | 96 mo ago | 1 | — | — | Deadpooled | — | — |
| 27 | Restrata Provider of a platform for asset tracking and monitoring | — | 16 mo ago | 136 | Chris St George Co-Founder & Chairman | WordPressApple iCloud MailMicrosoft 365+37 | Seed | 6 patents Secure transmission and verification of mobile device location data | — |
Top 12 IoT Applications companies in London
#1
Series A · London, England · founded 2016 · 27 employees$16.5Mraised▾
Provider of cloud-based rehabilitation device with a companion app for the patients recovering from medical procedures or hospitalization, particularly those affected by stroke. The company has developed a Bluetooth-enabled personal rehabilitation device with a companion app. The app has developed a series of games in which users squeeze the device and loosen their grip to play. It measures grip strength and hand motion to assess and track the patient's cognitive and physical movements over time through a machine learning algorithm.
- Mar 2026Series A$2.7M
- Apr 2022Series A$11M
- Mar 2021Seed$2.2M
- Feb 2019Seed$142.3K
#2
Series B · London, England · founded 2014 · 36 employees$18.8Mraised▾
Provider of concrete monitoring solutions, data management, and AI-powered mix insights. The company offers sensors for real-time strength and temperature monitoring. It automates concrete data collection, reducing waste and human error. Predictive and generative artificial intelligence delivers insights for mix selection, optimisation, and design.
- May 2025Series B$22M
- May 2022Series A$18.8M
- Oct 2015Grant (prize money)$38.6K
#3
Series A · London, England · founded 2016$11Mraised▾
Provider of eTextile wearable technology for patients. It claims to be working on a platform that will provide insights using analytics and patient data for improving patient safety. It plans to offer an integrated solution that monitors patient movement through the use of a patented smart textile fabric enhanced with various IoT (Internet of Things) technologies.
- May 2025Series A$2.5M
- Jan 2023Series A$3.7M
- Feb 2021Conventional Debt$1.9M
- May 2018Series A$3.8M
#4
Series A · London, England · founded 2018 · 24 employees$4.1Mraised▾
ThingCo provides an AI & cloud-driven telematics solution. It provides B2B & B2C products & services to address the weaknesses in the current market using a deep understanding of insurance & telematics, real-time risk mitigation & more.
- Jul 2025Series A$2.7M
- Jan 2021Series A$4.1M
#5
Series D · London, England · founded 2010 · 58 employees$94.6Mraised▾
Developer of cloud-based demand-side management solutions. It provides users with real-time measurement of power grid inertia and system strength. The company specializes in Grid-Enhancing Technologies that address the complexities of transitioning to renewable energy sources. Through the use of Grid Edge Measurement devices and cloud-based digital signal processing, it creates a high-precision measurement overlay that enhances existing network assets. This innovative approach allows for the continuous monitoring of the power grid's dynamic physics, contributing to a more stable and efficient energy system.
- May 2024Series D$31M
- Feb 2024Series C$1.1M
- May 2022Series C—
- Dec 2021Series C$864.9K
#6
Seed · London, England · founded 2021$2.1Mraised▾
Provider of cloud-based smart buildings solutions. It offers a LoRa network that transforms coatings into the connected surface for real-time moisture level monitoring, occupancy tracking, hygienic interaction and cleaning monitoring and energy usage management. Its features include dashboard view, event classification, cloud connectivity, and maintenance management.
- Dec 2024Seed$7M
- Jul 2022Seed$2.1M
#7
Acquired · London, England · founded 1999 · 26 employees$166.7Mraised▾
Open Energi offers energy demand management solutions that react to changes in the balance between supply and demand on the electricity grid and contributes to keeping the grid in balance. The dynamic demand technology integrates with a range of equipment from fridges to furnaces and turns them into smart devices which can adjust their energy consumption in real-time to help the grid manage electricity supply and demand. It offers analytics based on demand response for utilities to act accordingly.
- Oct 2016Series C$25M
- Feb 2015Grant (prize money)$917.3K
- Jan 2015Series C$8M
- Sep 2012Series C$113M
#8
Public · London, England · founded 2021 · 5 employees$2.4Mraised▾
Insurance risk transfer and reduction solutions for home insurers. It offers solutions for claims prevention, reduces waste, lower insurance premiums, sustainable risk reduction, and more. It also offers homeowner engagement and advocacy solutions.
- Dec 2023Post IPO$1.4M
- May 2023Post IPO$1M
#9
Seed · London, England · founded 2015 · 2 employees$2Mraised▾
Provider of cloud-based solution for commercial and industrial demand side response. It allows businesses to manage energy consumption and participate in demand side response programs. The solution helps businesses adjust energy usage based on supply and demand. Experienced engineers determine flexibility levels and ensure seamless energy reduction strategies.
- Aug 2023Seed$153.6K
- Dec 2021Seed$760K
- Dec 2019Seed$351.5K
- Jan 2018Seed$522.5K
#10
Seed · London, England · founded 2016 · 5 employees$4Mraised▾
SaaS-driven IoT-enabled building management solution. The solution consists of sensors that can be mounted under desks, over doorways, or on the ceiling, sensors for measuring environmental conditions, heat, and motion to detect when people are present thereby tracking the workplace utilization in real-time. The platform processes the information collected and maps it to the CAD floor plan for easy analysis. Additionally, it provides insight into the peak, average, comparative utilization over time, and compares multiple buildings.
- Dec 2020Seed$4M
- May 2016Grant (prize money)$111K
#11
Deadpooled · London, England · founded 2015$2.4Mraised▾
Virtual Power Solutions (VPS) has developed an energy management system that combines demand management with building automation technology. It offers three products Kisense - a complete integrated solution for monitoring energy consumption, targeted for the business sector to provide building owners/users with real-time visibility and control of their energy consumption, Kiplo - a Virtual Power Plants software offering advanced power optimization, consumption, generation, storage and grids and Cloogy - a home energy management system.
- Oct 2020Grant (prize money)$237.2K
- Dec 2019Grant (prize money)$1M
- Jan 2018Grant (prize money)$23.1K
- Oct 2017Grant (prize money)$845.8K
#12
Seed · London, England · founded 2018 · 7 employees$1.5Mraised▾
Provider of real-time tracking solutions for returnable containers used for liquids. The company offers technology to enable supply chain transparency. It provides solutions for operational excellence, performance monitoring, quality tracking, and sustainability quantification. The technology uses sensors to monitor volume, location, temperature, and motion.
- Oct 2021Grant (prize money)—
- Oct 2021Seed$1.5M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of IoT Applications coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
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.