
- Headquarters
- Boston, Massachusetts
- Employees
- 51–200
- Founded
- 2018
- Business Model
- B2B
- Website
- blues.io
- Total Funding
- $98.0M
- Last Round
- $8.0M Extension RoundJul 2025
- Rounds
- 5
About
Blues builds secure, scalable IoT connectivity hardware and software for product makers worldwide. Its flagship products — Notecard and Notehub — remove the complexity of adding cellular, WiFi, LoRa, and satellite connectivity to any physical device, enabling developers to cloud-connect products with just a few lines of code. Blues serves over 900 companies across industries including transportation, energy, agriculture, healthcare, and smart cities, helping them transform physical products into intelligent, data-driven services. The company was founded in 2018 by Ray Ozzie, co-creator of Lotus Notes and former Chief Software Architect of Microsoft, and is backed by Sequoia Capital.
Summary
Blues is a Hardware company based in Boston, Remote, founded in 2018. It has raised $98.0M in total across 5 rounds, most recently a $8.0M Extension Round round in Jul 2025. Investors include Sequoia Capital, Xyz Venture Capital and Positive Sum.
Tech & App Stack
8 technologies & apps tracked
Create a free account — 10 credits a month to unlock the full tech & app stack, funding history, and valuations.
Sign up to view the funding chart
Create a free account — you'll get 10 credits a month to unlock funding history, valuations, and tech stacks.
Funding History
Jul 2025
Sign up to see all 5 rounds
Full funding history, per-round amounts, and investor participation.
Investors
Similar Companies
Xiaomi is a Chinese consumer electronics and smart manufacturing company producing smartphones, I...
Agricultural technology company building smart collars and virtual fencing systems for cattle tha...
Battery-free Bluetooth technology for the IoT market.

Modernizing the hospitality tech stack.
Smart electrical panel that adds intelligence and control to home energy management.
Juul Labs develops vapor products designed to offer adult smokers an alternative to combustible c...


