Loon
Loon was an Alphabet subsidiary that operated a network of stratospheric balloons delivering broadband internet connectivity to rural and underserved areas through telecom operator partnerships. The company wound down operations in 2021, citing commercial viability challenges.
- Company typePrivate
- Founded2013
- HeadquartersMountain View, United States
- Headcount51–100
- GTM typeB2B
- OfferingServices
What Loon does
Loon was a stratospheric connectivity venture that originated as a Google X moonshot in 2011 and operated as an independent Alphabet subsidiary from 2018 until winding down in 2021. The company built and operated a fleet of tennis-court-sized polyethylene balloons floating at the edge of space to deliver broadband internet connectivity to rural, remote, and underserved areas, as well as to provide emergency connectivity during natural disasters. Its core technology stack combined custom-engineered balloons capable of 300+ day flights across temperature extremes of -90°C to +150°C, free space optical (laser-based) communications for inter-balloon data transmission, a mesh network architecture operating in the stratosphere, and deep reinforcement learning-based navigation algorithms that allowed balloons to ascend and descend between wind layers to 'sail' to desired locations.
Loon's business model was B2B2C. Rather than billing consumers directly, the company delivered connectivity through service agreements with local telecom operators and ISPs, who integrated Loon's coverage into their existing networks for distribution to end users on standard mobile phones. The recurring revenue stream was subscription-based service revenue from telecom partners in underserved markets. GTM was event-driven in its early years — pilots in New Zealand (2013), Brazil (first LTE connection to a school, 2014), and emergency deployments in Peru and Puerto Rico (2017) — before transitioning to enterprise field sales with the July 2020 launch of the first commercial internet-via-balloon service in Kenya with local telecom operators. Loon also co-founded the HAPS Alliance in 2020 to drive industry standards for high-altitude platform connectivity.
Alphabet wound down Loon in 2021 after determining the path to commercial viability was longer and riskier than hoped, with the Kenya service representing the only scaled commercial deployment. Some of Loon's technology, notably the free space optical communications platform, was transferred to Project Taara, a light-beam-based connectivity successor. The team also published The Loon Collection, an open archive of technical insights for future stratospheric work.
Loon firmographics
Firmographics- Name
- Loon
- Legal name
- Loon
- Website
- https://loon.com
- Company type
- Private
- Founded year
- 2013
- Operating status
- Closed
- Headcount range
- 51–100 employees
- Short description
- Loon was an Alphabet subsidiary that operated a network of stratospheric balloons delivering broadband internet connectivity to rural and underserved areas through telecom operator partnerships. The company wound down operations in 2021, citing commercial viability challenges.
- Ownership category
- akta.pro rank
Loon industry classification
Industry- Product category
- Stratospheric Internet Connectivity
- NAICS
- Satellite Telecommunications (5174), Satellite Telecommunications (517410)
- SIC
- Communications Services, Nec (4899), Computer Communications Equipment (3576)
- akta.pro primary industry
- Satellite Broadband Internet Access (Consumer/SMB) (HDAIAJAA)
- akta.pro secondary industries
- Satellite Network Operations & Capacity Services (NOC, Capacity Leasing, Managed Payload Services) (HDAIAJAI), Satellite Broadband Terminals & Gateways (VSAT/LEO CPE) (HDAFAIAM)
Keywords
Where Loon is headquartered
LocationHeadquarters
- HQ city
- Mountain View
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Loon business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Technology or R&D, Personnel, Infrastructure, Operations, Supply Chain
Revenue model
- Internet Connectivity Services: Loon provided internet connectivity as a service to telecom operators and ISPs serving rural and underserved areas. The company delivered connectivity directly to people's phones through partnerships with local operators. Revenue was generated through service agreements with telecom partners rather than direct consumer billing.
Go-to-market motion2 records
Distribution channels2 records
Marketing channels4 records
Loon product offering
Product offeringCore offering
Loon deployed a network of tennis-court-sized stratospheric balloons that floated at the edge of space to provide broadband internet connectivity to rural, remote, and underserved areas. The balloons carried communications payloads and used free space optical (laser) links plus mesh networking to relay connectivity to ground stations and directly to users' phones via LTE. Loon delivered this connectivity as a service to local telecom operators and ISPs, who then served end consumers, and also provided emergency connectivity deployments in disaster-affected regions.
Product overview
Loon was a single unified product offering — a stratospheric balloon-based internet connectivity network. The core product was the Loon Balloon Network, which used fleet of tennis-court-sized polyethylene balloons floating at the edge of space to deliver broadband internet to underserved areas. The technology was enhanced by Taara, which leverages Loon's free space optical communications technology to beam connectivity using light. After winding down in 2021, Loon's legacy continues through The Loon Collection archive of technical insights and Taara's optical-based connectivity solutions.
Differentiator
Problem solved
Functional benefit
Products and services
- Loon Balloon Network A network of tennis-court-sized polyethylene balloons floating at the edge of space to deliver broadband internet connectivity to rural, remote, and underserved areas. Used advanced wind-sailing navigation, free space optical communications, and mesh networking to provide connectivity directly to people's phones and to ground stations. Targeted telecom operators and ISPs needing network extension and government/emergency agencies needing rapid-deploy disaster connectivity.
- Taara A successor connectivity project under X that uses light beams (free space optical communications) to deliver abundant, affordable connectivity, based on technology originally developed for the Loon balloon network.
- The Loon Collection A shared archive of technical, operational, and scientific insights from the Loon project, published to support future stratospheric research and innovation following the company's wind-down.
Quantifiable outcome
- Balloon flight duration record of 300+ days in stratospheric conditions
- +2 more outcomes
Companies that use Loon
Customer profileNamed customers3 records
Segments3 records
Ideal customer profiles2 records
Loon technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability1 record
Feature5 records
Loon partnerships and signals
Strategic signalPartnerships
Two partnerships are on record, tiered flagship and core.
- HAPS AllianceflagshipLoon co-founded the HAPS (High Altitude Platform Systems) Alliance in 2020 alongside partners. The alliance aims to accelerate innovation and connectivity efforts in the stratosphere, working on industry standards and best practices for stratospheric platforms.
- Kenya Telecom OperatorscorePartnership with local Kenyan telecommunications operators to deliver the world's first commercial internet-via-balloon service to people in unserved regions of Kenya in July 2020.
Scale indicators5 records
Recent moves6 records
Expansion highlights5 records
Loon competitors and assessment
Company assessmentDirect peers
- HAPSMobile: SoftBank-backed stratospheric HAPS platform developer using high-altitude aircraft (Sunglider) for connectivity. Most direct competitor to Loon in the HAPS category and Loon's strategic investor.
- Airbus Zephyr: Airbus's solar-powered high-altitude pseudo-satellite (HAPS) for stratospheric connectivity and earth observation. A direct competitor to Loon's balloon-based HAPS approach, and a fellow HAPS Alliance co-founder.
Broad incumbents
- SpaceX (Starlink): LEO satellite broadband constellation providing global consumer internet service. Competes with Loon's mission of bringing internet to underserved areas, but via a fundamentally different (satellite) delivery mechanism at massive scale.
- OneWeb: LEO satellite broadband constellation focused on global coverage and enterprise/government connectivity. Competes with Loon's mission of connecting underserved areas via non-terrestrial infrastructure.
- Telesat: Canadian satellite operator developing the Lightspeed LEO constellation for global broadband. Competes in the non-terrestrial connectivity space targeting rural/enterprise markets similar to Loon's.
- Viasat: GEO satellite broadband provider serving consumer, enterprise, and government markets. Overlaps with Loon's customer segments (rural connectivity, in-flight, maritime) using a more traditional satellite architecture.
Emerging players
- Project Taara: Alphabet's direct successor to Loon's free-space optical communications technology, beaming connectivity via light. Uses Loon's optical IP but skips the balloon platform, making it an internal continuation of Loon's technology.
- Astranis: Developer of small GEO satellites for regional broadband internet, targeting underserved markets similar to Loon's. Competes for the same connectivity-for-the-unconnected value proposition.
Others
- Facebook Connectivity (Meta): Meta's connectivity initiatives (including the now-cancelled Aquila drone project) targeted rural internet via aerial platforms, sharing strategic overlap with Loon. Both companies explored non-traditional delivery mechanisms for underserved connectivity.
Regional players
- Sierra Nevada Corporation (SNC) — HAPS: SNC has pursued HAPS/drone-based stratospheric connectivity programs in partnership with U.S. defense agencies, representing a comparable aerial-platform approach to Loon's balloon network in the defense/government market.
Market position
Strengths3 records
Weaknesses3 records
Competitive moat5 records
Key risks6 records
Key highlights6 records
Customer concentration
Loon social profiles
Digital presenceLoon financial estimates
Financial estimateRevenue estimate
Valuation estimate
Loon leadership team
Management profileNumber of profiles
Profiles8 records
Loon funding detail
Funding detailFunding overview
Funding rounds1 record
Investors1 record
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Loon M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Loon
What does Loon do?
Loon deployed a network of tennis-court-sized stratospheric balloons that floated at the edge of space to provide broadband internet connectivity to rural, remote, and underserved areas. The balloons carried communications payloads and used free space optical (laser) links plus mesh networking to relay connectivity to ground stations and directly to users' phones via LTE. Loon delivered this connectivity as a service to local telecom operators and ISPs, who then served end consumers, and also provided emergency connectivity deployments in disaster-affected regions.
Is Loon a public or private company?
Loon is a private company. It is classified as corporate owned and is currently closed.
When was Loon founded?
Loon was founded in 2013. It employs 51 to 100 people.
Where is Loon based?
Loon is headquartered in Mountain View, United States, in the North America region.
How does Loon make money?
One revenue line is on record: internet Connectivity Services.
Who are Loon's main competitors?
Direct peers on record are HAPSMobile and Airbus Zephyr. Broad incumbents are SpaceX (Starlink), OneWeb, Telesat and Viasat. Emerging players are Project Taara and Astranis. Facebook Connectivity (Meta) is listed as an others. Sierra Nevada Corporation (SNC) — HAPS is listed as a regional player.
Does Loon have an API?
No public API is recorded for Loon.
What industry is Loon in?
Loon's product category is Stratospheric Internet Connectivity. Its primary akta.pro industry code is HDAIAJAA, Satellite Broadband Internet Access (Consumer/SMB), with a secondary code of HDAIAJAI, Satellite Network Operations & Capacity Services (NOC, Capacity Leasing, Managed Payload Services). Its NAICS code is 5174 and its SIC code is 4899.