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Portland water-monitoring startup Bluesonde Technologies secures $1.74M in expansion funding for production scaling and hiring.
PRIVATESep 29, 2026
Amount Raised
$1.74 Million
Round Type
Seed
PortlandWaterWater Purification
Description
Bluesonde Technologies, a Portland-based water-monitoring startup, has raised $1.74 million in expansion funding to accelerate production and deployments. The company manufactures compact buoys equipped with sensors to continuously collect water-quality data and stream it to a cloud-based platform. Led by CEO Andrew Thompson, Bluesonde has deployed over 40 monitoring systems across Maine and other states this year, with plans to deploy 200 systems in the coming year. The funding will support expanded production, new hires, and a potential relocation to larger facilities.
Company Information
Company
Bluesonde Technologies
Location
Portland, Maine, United States
About
Bluesonde Technologies is a Portland-based water monitoring startup that develops compact, low-maintenance buoys equipped with integrated sensors, connectivity modules, and anti-fouling technology. The system continuously collects water-quality data and streams it to a cloud-based platform, enabling real-time monitoring of aquatic conditions. The company aims to make continuous water monitoring simple and affordable at scale, serving applications in shellfish aquaculture, environmental monitoring, water utilities, and beach safety.
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