Hubble Network Raised $200 Million to Put Bluetooth in Orbit

On September 23, 2026, Hubble Network announced a $200 million Series C round and, in the same release, opened its satellite network to the public. The Seattle startup, founded five years ago by Alex Haro and Ben Wild, is betting that the most ordinary radio in consumer hardware can be the last link in a satellite network. The round was led by Smith Point Capital, with Seraphim, Carthona Capital, Earthshot Ventures, Y Combinator and RPM Ventures participating, and values the company at $1.6 billion with $300 million raised in total.

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The valuation is the striking part. Hubble's previous round was a $70 million Series B that closed in September 2025 and brought total funding to $100 million. Twenty months later the company is valued at more than twenty times that. Tech Funding News attributes the jump to a simple operating metric: devices on Hubble's network grew tenfold over the year. Revenue was not the headline. Reach was.

What Hubble is actually building

Most satellite connectivity for consumer and industrial devices is a modem problem. A phone with satellite messaging, a tracker, a shipping label: each needs a dedicated radio, its own power budget, its own certification, and usually its own line item in a bill of materials. Hubble's pitch is to leave all of that alone.

"If your product has a Bluetooth LE radio, satellites hundreds of kilometers up can hear it starting today," the company wrote in its announcement. "No dedicated modem. No new hardware. Pull the Hubble SDK, flash a firmware update, and your device is on the network." The mechanism the company describes is receiving rather than transmitting: a satellite picks up the Bluetooth transmissions a device already makes, and the constellation turns those intercepted signals into position and coverage data.

That is a different design from a satellite modem, and it explains why a five-year-old company with six spacecraft in orbit is already talking about 500,000 devices. The satellites are not carrying a conversation with each device. They are listening to the crowd.

The network is hybrid, which matters for how the service behaves today. Hubble overlays what it calls the Hubble Terrestrial Network, a ground-based tracking footprint, with its own satellite coverage. In the company's own description the terrestrial layer is where the device count sits, and the satellites extend it. GeekWire reported that data speeds and update frequencies are set to increase as more spacecraft launch, and that the hybrid arrangement is live for pilot customers today, naming fleet software company Samsara among them.

What general availability actually changes

Until this week, joining Hubble meant talking to the company. The release moves the network to general availability, which in practical terms is the difference between a pilot programme and an SDK a developer can adopt without a contract negotiation. The company's own framing is deliberately unambitious about the engineering: a Bluetooth LE radio is enough, a firmware update is enough, and the satellite is the only new thing in the system.

That has a knock-on effect on who can build for it. Device makers are the bottleneck in most IoT markets, not the software. A tracking tag, a cold-chain sensor or a reusable shipping label has a two to three year design cycle, a certification process and a supplier contract attached to it. If the satellite link requires a hardware change, the addressable market is whatever happens to be in redesign this year. If it requires a firmware push, the addressable market is everything already in a warehouse somewhere, which is a much larger number and a much more valuable one.

It also relocates the risk. With a modem, the satellite operator owns the link and the device maker owns the bill of materials. With a listening satellite, the operator owns the expensive part, six spacecraft and rising toward sixty, and the failure mode of the whole product depends on coverage from above rather than on a part that can be inspected before shipment.

The objection physics invited

Haro has heard the same pushback for five years, and he tells it as the founding story. Bluetooth chips were built for a room. A satellite sits hundreds of kilometres up, moving fast, in a different band, and the power budget of a coin-cell tracker will not survive the signal that would be needed to shout at it. The industry answer has been to give the device a better radio. Hubble's answer is to keep the weak radio and move the listener into orbit, where the geometry is far more forgiving.

Haro's own summary of the early years, in Tech Funding News, was that a Bluetooth chip of the kind sitting in a pair of wireless earbuds should not be able to talk to a satellite hundreds of kilometres up, and that the company was founded to prove otherwise. Five years on, the company says more than 500,000 devices are reporting in from orbit, and the objection has become the pitch.

That framing has a commercial consequence. Because the device hardware does not change, the addressable market is everything that already ships with Bluetooth. TechStartups reported that Hubble is working with Texas Instruments, one of the largest suppliers to the embedded and connected-device market, and that smart-label company Reelables is working with Hubble, giving the approach a plausible route into shipment and asset tracking. Supply chain visibility, agriculture and the circular economy are the sectors the company names in its release.

What the money buys

Six satellites are in low Earth orbit now. The Series C funds a sixty-satellite constellation by 2030, built with satellite operator Muon Space, a company that specialises in small spacecraft for commercial missions. The pair-up is the part GeekWire highlighted: Muon Space builds buses and launch arrangements, Hubble supplies the payload and the network. It is a division of labour that lets a five-year-old startup own the interesting part of the system.

The construction number that matters is cadence. Sixty spacecraft is not a large constellation by satellite-internet standards, and that is the point. GeekWire's framing was that Seattle's low-Earth-orbit cluster is fragmenting into distinct businesses: SpaceX's Starlink facility in Redmond and Amazon's Leo satellite division in Kirkland chase high-bandwidth orbital internet, while Hubble carves out low-power, direct-to-satellite connectivity for devices that were never going to buy a Starlink terminal. Two hundred million dollars buys one company the ability to be the default in a narrow lane rather than the fourth contender in a wide one.

The investor list reads like a validation stamp from adjacent markets. Smith Point Capital leads firms that build defence and space systems. Seraphim is a space-focused venture fund. Y Combinator, which funded the company in its first years, took part again. Earthshot Ventures, Carthona Capital and RPM Ventures fill out a round that mixes space hardware experience with venture-stage appetite for infrastructure bets.

Why a startup can win a lane the big constellations ignore

GeekWire's read on the Seattle cluster is the most useful framing of the round, and it is about specialisation rather than timing. The same metropolitan area now hosts SpaceX's Starlink facility in Redmond and Amazon's Leo satellite division in Kirkland, both of which are building high-bandwidth orbital internet. Hubble is going after a product that neither of them is selling: a position signal for a device with a coin-cell battery and a twenty-dollar radio.

The economics of the two businesses barely overlap. Broadband constellations need enormous spacecraft, inter-satellite links, gateway networks and a ground segment sized for millions of subscribers, and they are paid for by volume. A listening satellite for Bluetooth needs small spacecraft, a receiving payload, and a software layer, and it is paid for per tracked asset. A constellation optimised for the first is badly wrong for the second, and a company optimised for the second cannot be scaled into the first without raising money on a different timetable.

TechStartups described the surrounding shift plainly: smartphone makers have added emergency satellite features, carriers are working with satellite operators to extend coverage beyond cell towers, and chipmakers are building communications capability into smaller and smaller devices. Every one of those trends adds a satellite path to hardware, which is normally read as a threat to a company like Hubble. It is closer to a tailwind, because the trend normalises the idea that ordinary devices can have a satellite link and pushes the capability down into cheap components. Hubble is trying to be the layer that link terminates in, regardless of which vendor put it there.

The part that is still unproven

Nobody outside the company has yet measured what a fleet of Bluetooth tags does when a satellite passes over it at speed, or how often. Six spacecraft are not a network; they are a demonstration. The company's own language is careful on this point, promising that speeds and update frequencies will improve as more satellites launch, which is a statement about the future rather than a specification.

There is a second open question, and it is structural rather than technical. A receive-from-orbit network is a natural fit for knowing where something is. It is a much thinner fit for commanding one. If the design is primarily a downlink, then the devices Hubble reaches are sensors and identifiers, not machines that need instructions sent back. The company describes global connectivity, and the roadmap language points at more spacecraft and faster updates. Whether the architecture can carry two-way traffic at fleet scale is not something the announcement answers, and it is the question a fleet operator will ask first.

The competitive clock is also running in a direction Hubble did not choose. GeekWire noted that smartphone makers have been adding emergency satellite features, carriers are extending coverage through satellite operators, and chipmakers are folding communications capability into smaller and smaller devices. Each of those trends moves Bluetooth-class hardware toward having a satellite path of its own, which is exactly the layer Hubble is trying to sit above.

What the round says about the market

The most useful signal in Hubble's round is not its size but its shape. Two hundred million dollars went to a company whose product is a software update rather than a piece of hardware, whose six existing satellites cost a fraction of one broadband constellation, and whose customers are enterprises looking for a position fix on a pallet.

That is a different bet from the one most of the space sector is making. The crowded part of low-Earth orbit is bandwidth: streaming, backhaul, and the consumer terminals that sell it. The quieter part is a signal that arrives occasionally, travels a few kilometres, and needs no subscription contract with a carrier. Hubble raised a Series C in the quieter part while the crowded part was busy raising far larger numbers, which suggests investors are willing to price differentiated physics rather than only scale.

Cover illustration: Hubble Network, via GeekWire.