Blue Maestro

What Blue Maestro does

Blue Maestro is a hardware and software company that designs and manufactures Bluetooth Low Energy (BLE) environmental sensors — primarily temperature, humidity, and dew point — for regulated and compliance-sensitive buyers. Founded in 2012 and headquartered in Weybridge, UK, with manufacturing operations in Montgomery, Texas, the company sells across more than 50 countries to pharmaceutical manufacturers, healthcare providers (notably the NHS), food/cold-chain operators, life-sciences and medtech firms, industrial OEMs, and prosumer accounts. Its product portfolio comprises the Disc Mini and Disc Maxi BLE sensors, the BM Gateway for networked data aggregation, and ISO 17025 calibration certificates with UKAS-traceable documents; certified compliance credentials include FDA 21 CFR Part 11, HACCP, GDP/GLP, FCC, CE, and UKCA.

The company operates a three-stream revenue model: (i) hardware unit sales priced $31.99-$89 per sensor; (ii) a freemium cloud platform, bmCloud, at $1/sensor/month paired with a free mobile companion app (bmLogger); and (iii) custom development and white-label/OEM services for partners such as Hitachi and Zebra-adjacent ecosystems. Named customers include the NHS, Hitachi, Zebra Technologies, Zeiss, Gilson, Spinal Technology, The National Trust, and GOGO Band. With a disclosed headcount of 1-10 employees, Blue Maestro is a micro-cap vendor that has nonetheless accumulated 30+ billion data points across its deployed sensor base, positioning it as a niche specialist rather than a scale player. Historical capital has come from public-sector healthcare and trade grants (SBRI Healthcare ~$1.57M in 2014, NHS England ~$160K in 2014, EISMEA ~$150K in 2015, UKTI ~$100K in 2014), with no additional disclosed funding rounds since 2015.

Name

Blue Maestro

Legal name

Blue Maestro, Inc.

Website

https://bluemaestro.com

Company type

Private

Founded year

2012

Operating status

Operating

Headcount range

1–10 employees

Short description

Blue Maestro manufactures Bluetooth Low Energy environmental sensors (temperature, humidity, dew point) and operates the freemium bmCloud platform, serving pharmaceutical, healthcare, food cold-chain, and industrial customers across 50+ countries.

Ownership category

akta.pro rank

Product category

Wireless Environmental Monitoring Sensors

NAICS

Other Measuring and Controlling Device Manufacturing (334519), Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512)

SIC

Industrial Instruments For Measurement, Display, And Control (3823)

akta.pro primary industry

Temperature data loggers & probes (in-transit and storage) (TLAEALAA)

akta.pro secondary industries

Cold Chain Monitoring, Sensors & Control Towers (IoT, data loggers) (HLAGAMAG), Vaccine/biopharma cold chain compliance sensors (GxP/21 CFR Part 11 capable) (TLAEALAK), Cold storage facility environmental sensing (rooms, freezers, blast chillers) (TLAEALAL)

Keywords

• Wireless temperature sensors
• Bluetooth data loggers
• Environmental monitoring devices
• Cold chain monitoring
• IoT sensor platform

Headquarters

HQ city

Weybridge

HQ country

United Kingdom

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Hardware Sales: Sale of Bluetooth temperature/humidity sensors (Disc Mini, Disc Maxi), WiFi gateways (BM Gateway), and accessories (calibration certificates). Hardware is sold as one-time purchases through e-commerce and authorized resellers. Revenue recognized at point of sale.
2. bmCloud SaaS Subscriptions: Cloud monitoring platform with tiered subscription plans. Free tier supports up to 5 sensors and 1 gateway. Small Business plans from $1/mo per sensor with unlimited sensors, gateways, and team members. Enterprise plans with advanced features for larger organizations.
3. Custom Development Services: OEM partnerships with custom hardware, firmware, and app integration. Typical development timelines are 8-12 weeks. Includes white-label solutions with custom-branded hardware, mobile apps, and cloud dashboards.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels6 records

Core offering

Blue Maestro designs, develops, and manufactures Bluetooth Low Energy wireless environmental sensors (temperature, humidity, dew point) and supporting hardware (WiFi gateway, calibration certificates) for pharmaceutical, healthcare, food safety, cold chain, laboratory, industrial, and consumer use. The hardware is sold direct alongside the free bmLogger mobile app and the subscription bmCloud monitoring platform, with optional OEM/white-label custom development for enterprise partners.

Product overview

Blue Maestro offers a portfolio of Bluetooth Low Energy (BLE) environmental sensors and data loggers designed for temperature, humidity, and dew point monitoring. The core product line includes the Disc Mini series (compact, entry-level temperature loggers with 20,000 reading capacity) and Disc Maxi series (advanced loggers with alerts, up to 100,000 readings, and multi-parameter sensing including temperature, humidity, dew point, and barometric pressure). These sensors connect via Bluetooth to the free bmLogger mobile app for local data retrieval and configuration, or to the BM Gateway WiFi bridge for 24/7 cloud-connected remote monitoring through the bmCloud platform. The ecosystem includes add-on calibration certificates for regulatory compliance. Blue Maestro also offers custom development services and an open Device API (BLE) and Cloud Data API (REST) for system integration.

Differentiator

Problem solved

Functional benefit

Products and services

• Disc Maxi 3-in-1 with Alerts — Bluetooth Temperature, Humidity and Dew Point Logger Professional-grade BLE data logger for temperature, humidity, and dew point with ±0.1°C accuracy, 50,000 reading capacity, Bluetooth 5.3 connectivity up to 100m range, and up to 5-year battery life. Supports push notifications via the bmLogger app and is sold for professional monitoring applications.
• Disc Mini Temp — Bluetooth Temperature Sensor and Logger Compact BLE temperature sensor and data logger with ±0.1°C accuracy, 20,000 reading capacity, up to 75m Bluetooth range, and up to 1-year replaceable CR2032 battery. Configurable logging intervals from 60 seconds to 12 hours. Sold as a standalone consumer-grade and SMB product.
• Disc Mini IP67 — Bluetooth Waterproof Temperature Sensor and Logger IP67-rated waterproof BLE temperature sensor and data logger with ±0.1°C accuracy, 20,000 reading capacity, and factory-sealed non-replaceable CR2032 battery. Designed for wet environments, outdoor installations, and condensation-prone cold storage.
• BM Gateway — WiFi Internet Gateway for Bluetooth Sensors WiFi bridge device that connects Blue Maestro Bluetooth sensors to the cloud for 24/7 remote monitoring. Supports up to 40 sensors simultaneously, delivers real-time email alerts, and integrates with the bmCloud platform. Powered via USB-C.
• Calibration Certificate UKAS-traceable calibration certificate covering up to 10 individual sensors, with multi-point verification against national/international reference standards, validity period, and measurement uncertainty statement. Sold as a standalone add-on to support FDA, MHRA, WHO, and other regulatory audits.
• bmLogger Mobile App Free iOS and Android companion application that discovers, configures, and visualizes Blue Maestro Bluetooth sensors. Provides real-time temperature and humidity monitoring, interactive graphs, local and cloud data storage, custom threshold alerts, and CSV data export.
• bmCloud Monitoring Platform Subscription cloud platform providing 24/7 remote access to Bluetooth sensors via the BM Gateway. Delivers real-time email, SMS, and phone alerts, cloud data storage, analytics dashboard, compliance reporting, and multi-user access. Free tier supports up to 5 sensors; Small Business plans start from $1/mo per sensor.

Quantifiable outcome

• 30+ billion data points logged worldwide
• +5 more outcomes

Named customers8 records

Segments10 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Feature10 records

Partnerships

Five partnerships are on record, tiered core and flagship.

• GOGO Band, Inc.coreOEM/ Whitelabel/ Licensing PartnerCustom sensor products partnership to detect moisture including electronic design, enclosure design, and firmware development. Blue Maestro provided expertise and technology that was invaluable in helping deliver the solution. CEO Jon Coble stated: 'Blue Maestro's expertise and technology was invaluable in helping us deliver our solution.'
• Zebra Technologies International, LLCcoreStrategic or Co-development PartnerProject to develop Bluetooth enabled tracking beacons that could track a patient's progress through hospital admission. Katie Nunez, Platform Owner, stated: 'Blue Maestro is professional, courteous and capable.'
• Hitachi, Ltd.coreStrategic or Co-development PartnerProject to provide sensors that could be embedded in bespoke transportation containers for high-end sushi restaurants. Chosen as a long-term partner given innovative product range, accelerated development time and open API. Richard Koike, CEO of Telecenty (Project Consultant for Hitachi) stated: 'We chose Blue Maestro as a long term partner given its innovative product range, accelerated development time and open API.'
• The National TrustcoreStrategic or Co-development PartnerProviding sensors and loggers that can be attached to pieces of art to monitor their condition. Nicola Walker from National Trust Petworth House stated: 'Blue Maestro provided an ideal solution and an excellent service.'
• NHSflagshipStrategic or Co-development PartnerUK National Health Service uses Blue Maestro sensors for mission-critical monitoring applications in healthcare environments including pharmaceutical cold chain and clinical environments.

Scale indicators4 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• SensorPush: SensorPush makes compact Bluetooth temperature and humidity sensors with mobile app connectivity — directly overlapping with Blue Maestro's Disc Mini/Maxi product family. Same target customers (home, SMB, light commercial) and same distribution model (e-commerce direct).
• Lascar Electronics: Lascar manufactures USB and wireless temperature/humidity data loggers sold into industrial, lab, and food safety channels. Directly comparable hardware-only product category and pricing tier to Blue Maestro's Disc Mini/Maxi lines.
• Elitech: Elitech sells temperature and humidity data loggers (USB and wireless) into pharma, food, and laboratory cold chain — the same regulated verticals Blue Maestro targets. Comparable one-time hardware sales model with cloud/alert add-ons.
• Govee: Govee is the dominant consumer/SMB Bluetooth temperature and humidity sensor brand that Blue Maestro explicitly benchmarks against (Govee is cited as ±0.3°C accuracy vs Blue Maestro's ±0.1°C). Overlapping product form factors and target buyer (home, small business) make them a direct competitive reference.
• Berlinger & Co. Berlinger specializes in temperature monitoring for vaccine cold chain and clinical trials — directly overlapping with Blue Maestro's pharmaceutical/healthcare segment and FDA 21 CFR Part 11 positioning. Comparable product type and customer base.
• Onset Computer Corporation (HOBO): Onset's HOBO and InTemp brands are the most direct competitors in Bluetooth and USB temperature/humidity data loggers for cold chain, pharma, and food safety. Blue Maestro explicitly compares against HOBO in its buying guides, and both target FDA 21 CFR Part 11 and HACCP-compliant monitoring.
• Controlant: Controlant provides real-time cold chain monitoring (GSM/cellular) for pharma clients including vaccine manufacturers. Comparable pharma/cold chain customer segment and FDA 21 CFR Part 11 positioning, with a SaaS data visibility layer similar to bmCloud.

Broad incumbents

• Testo: Testo is a much larger professional measurement instruments company with broad temperature/humidity/data logger lines. They compete with Blue Maestro in HACCP, pharma, and food safety monitoring, but as part of a wider portfolio of industrial measurement tools.
• Vaisala: Vaisala is an industrial incumbent in humidity, temperature, and life science measurement with continuous monitoring solutions (viewLinc, Cold Chain) that overlap with Blue Maestro's pharma and laboratory monitoring use cases, but at much larger scale and broader scope.
• Sensitech (Carrier): Sensitech, owned by Carrier, provides real-time cold chain visibility for pharma and food. They overlap with Blue Maestro's cold chain and logistics segment, but operate as part of Carrier's larger logistics and refrigeration portfolio at much greater scale.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/BlueMaestroNews
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Compliance8 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds4 records

Investors4 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Blue Maestro