# Top 14 IoT Startups in the United Kingdom by Funding (2026)

> The 14 best-funded IoT startups in the United Kingdom, ranked by total funding raised: $164M combined.

Source: https://millionrounds.com/top-lists/iot-startups-united-kingdom (Millionrounds; every figure on the page links to its filing or article)

- 1 [**FLOLIVE** FLOLIVE® is a global technology company based in London, specializing in cloud-native, software-defined mobile core infrastructure for the Internet of Things (IoT).](https://millionrounds.com/company/flolive) FLOLIVE® is a global technology company based in London, specializing in cloud-native, software-defined mobile core infrastructure for the Internet of Things (IoT). *Founded* 2015 London, United Kingdom **$56M** last round Sept 2025
- 2 [**Silicon MicroGravity** Silicon MicroGravity is a company developing novel sensor technology.](https://millionrounds.com/company/silicon-microgravity) Silicon MicroGravity is a company developing novel sensor technology. *Founded* 2014 Cambridge, United Kingdom **$21M** last round Nov 2026
- 3 [**QLM Technology** QLM Technology is a UK-based photonics technology company founded in 2017, specializing in advanced quantum gas lidar systems for detecting and quantifying gree](https://millionrounds.com/company/qlm-technology) QLM Technology is a UK-based photonics technology company founded in 2017, specializing in advanced quantum gas lidar systems for detecting and quantifying gree *Founded* 2017 Paignton, United Kingdom **$19M** last round Sept 2025
- 4 [**ZifiSense** ZiFiSense is a China-based provider of LPWA IoT technology, specializing in low-power, low-cost wireless infrastructure for massive IoT and industrial digital t](https://millionrounds.com/company/zifisense) ZiFiSense is a China-based provider of LPWA IoT technology, specializing in low-power, low-cost wireless infrastructure for massive IoT and industrial digital t *Founded* 2016 Cambridge, United Kingdom **$16M** last round Feb 2022
- 5 [**ACUA Ocean** We design, develop and deploy hydrogen- powered uncrewed surface vessels (H-USVs)](https://millionrounds.com/company/acua-ocean) We design, develop and deploy hydrogen- powered uncrewed surface vessels (H-USVs) *Founded* 2020 Plymouth, United Kingdom **$15M** last round Sept 2026
- 6 [**resin.io**](https://millionrounds.com/company/resin-io) *Founded* - United Kingdom **$15M** last round Jun 2016
- 7 [**CSignum** CSignum is a Scottish technology company based in Bathgate, West Lothian, founded in 2020.](https://millionrounds.com/company/csignum) CSignum is a Scottish technology company based in Bathgate, West Lothian, founded in 2020. *Founded* 2020 Bathgate, United Kingdom **$12M** last round Sept 2026
- 8 [**Measurable.energy** measurable.energy is a UK-based clean-tech and PropTech company that focuses on AI-driven plug load management and energy efficiency solutions for commercial bu](https://millionrounds.com/company/measurable-energy) measurable.energy is a UK-based clean-tech and PropTech company that focuses on AI-driven plug load management and energy efficiency solutions for commercial bu *Founded* 2018 Reading, United Kingdom **$5.2M** last round Aug 2025
- 9 [**Second Sight** Second Sight is an automated management system for building management.](https://millionrounds.com/company/second-sight) Second Sight is an automated management system for building management. *Founded* 2022 Basingstoke, United Kingdom **$3.0M** last round Jun 2023
- 10 [**Daizy Tech** IoT Deployment platform](https://millionrounds.com/company/daizy-tech) IoT Deployment platform *Founded* 2018 United Kingdom **$724K** last round Dec 2022
- 11 [**Spotta** Spotta is a technology startup based in Cambridge, UK, founded in 2018.](https://millionrounds.com/company/spotta) Spotta is a technology startup based in Cambridge, UK, founded in 2018. *Founded* 2018 Cambridge, United Kingdom **$647K** last round Jul 2025
- 12 [**Traak Systems** Traak Systems delivers high performance, complex event-processing-based solutions for the growth of RFID and sensor network markets.](https://millionrounds.com/company/traak-systems) Traak Systems delivers high performance, complex event-processing-based solutions for the growth of RFID and sensor network markets. *Founded* 2005 United Kingdom **$482K** last round Sept 2010
- 13 [**Auralytica** Auralytica is a UK-based deep-tech startup focused on developing innovative holographic hydrogel sensors that change color in response to chemical changes.](https://millionrounds.com/company/auralytica) Auralytica is a UK-based deep-tech startup focused on developing innovative holographic hydrogel sensors that change color in response to chemical changes. *Founded* 2025 United Kingdom **$468K** last round Jul 2026
- 14 [**BDITTO** Bditto is bringing innovation to collaboration.](https://millionrounds.com/company/bditto) Bditto is bringing innovation to collaboration. *Founded* 2023 London, United Kingdom **$250K** last round Nov 2021

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies whose funding rounds we classed as this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.

## Who backed them?

Open any company for its rounds and investors, or search the investors who back IoT startups in the United Kingdom in the app, with filters, lists and exports.

[Find their investors](https://millionrounds.com/login?join=1&next=/app/investors)[All top lists](https://millionrounds.com/top-lists)

## More iot lists

[See all](https://millionrounds.com/top-lists?t=IoT)

[*H* *FS* *Q* **IoT startups worldwide** 166 companies · $5.2B](https://millionrounds.com/top-lists/iot-startups)[*FS* *HN* *B* **IoT startups in the United States** 59 companies · $2.4B](https://millionrounds.com/top-lists/iot-startups-united-states)[*OI* *K* *S* **IoT startups in Europe** 58 companies · $1.2B](https://millionrounds.com/top-lists/iot-startups-europe)[*OI* *H* *Q* **IoT startups that raised in 2026** 38 companies · $2.2B in 2026](https://millionrounds.com/top-lists/iot-startups-raised-2026)[*T* *I* *OS* **IoT startups founded in 2019** 14 companies · $311M](https://millionrounds.com/top-lists/iot-startups-founded-2019)[*S* *S* *M* **IoT startups founded in 2018** 13 companies · $189M](https://millionrounds.com/top-lists/iot-startups-founded-2018)[*A* *A* *T* **IoT startups founded in 2020** 12 companies · $121M](https://millionrounds.com/top-lists/iot-startups-founded-2020)[*Q* *IT* *MM* **IoT startups in Australia** 11 companies · $654M](https://millionrounds.com/top-lists/iot-startups-australia)

## More lists for United Kingdom

[See all](https://millionrounds.com/top-lists?r=United%20Kingdom)

[*SC* *N* *F* **Startups in the United Kingdom** 8,355 companies · $79B](https://millionrounds.com/top-lists/startups-united-kingdom)[*IL* *CS* *ON* **Health startups in the United Kingdom** 1,094 companies · $17B](https://millionrounds.com/top-lists/health-startups-united-kingdom)[*N* *AA* *IL* **AI startups in the United Kingdom** 835 companies · $32B](https://millionrounds.com/top-lists/ai-startups-united-kingdom)[*C* *T* *K* **IT Services startups in the United Kingdom** 816 companies · $5.3B](https://millionrounds.com/top-lists/it-services-startups-united-kingdom)[*IL* *CS* *ON* **Healthcare startups in the United Kingdom** 608 companies · $14B](https://millionrounds.com/top-lists/healthcare-startups-united-kingdom)[*IL* *CS* *ON* **Biotech startups in the United Kingdom** 588 companies · $15B](https://millionrounds.com/top-lists/biotech-startups-united-kingdom)[*F* *FC* *R* **Financial Services startups in the United Kingdom** 472 companies · $26B](https://millionrounds.com/top-lists/financial-services-startups-united-kingdom)[*FC* *R* *C* **Fintech startups in the United Kingdom** 342 companies · $23B](https://millionrounds.com/top-lists/fintech-startups-united-kingdom)