Urban Sky
Techstars '20Denver, US · Founded 2019 · Delaware corporation · 104 employees on LinkedIn · 13 known investors
Thesis develops reusable, steerable microballoons for routine access to the stratosphere (40,000–130,000 feet), enabling persistent surveillance, communications relay, and atmospheric research for defense, intelligence, commercial, and scientific applications.
Also known as Urban Sky
Founders & leadership
Urban Sky was founded in 2019 by Andrew Antonio, Jared Leidich, and Jared Liedich.



Board


Investors · 13
Also in the syndicate · 4
Reported raises · per SEC filings
Form D private placements$45M disclosed across 4 rounds · 2019–2025
▶$30MraisedJan 2025 · 23 investors · Other TechnologyRule 506(b)
- Alan EustaceDirector
- Darren LiccardoDirector
- Alexander WongDirector
- Andrew AntonioExecutive Officer, Director, Promoter
- Jared LeidichExecutive Officer, Director, Promoter
- Offering amount
- $30M
- Amount sold
- $30M
- First sale
- Jan 2025
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$9.7MraisedOct 2023 · 10 investors · Other TechnologyRule 506(b)
- Andrew AntonioExecutive Officer, Director, Promoter
- Jared LeidichExecutive Officer, Director, Promoter
- Robert Alan EustaceDirector
- Darren LiccardoDirector
- Alexander WongDirector
- Offering amount
- $10.7M
- Amount sold
- $9.7M
- First sale
- Sep 2023
- Incorporated
- Corporation, Delaware, 2019
- Federal exemptions
- 06b
▶$4.2MraisedAug 2021 · 7 investors · Other TechnologyRule 506(b)
- Andrew AntonioExecutive Officer, Director, Promoter
- Jared LeidichExecutive Officer, Director, Promoter
- Darren LiccardoDirector
- Nathan WilliamsDirector
- Alan EustaceDirector
- Offering amount
- $4.2M
- Amount sold
- $4.2M
- First sale
- Aug 2021
- Incorporated
- Corporation, Delaware, 2019
- Federal exemptions
- 06b
▶$1MraisedSep 2020 · 8 investors · Other TechnologyRule 506(c)
- Nick MoranDirector
- Andrew AntonioExecutive Officer
- Jared LiedichExecutive Officer
- Amount sold
- $1M
- Proceeds to insiders
- $100K
- First sale
- Aug 2019
- Incorporated
- Corporation, Delaware, 2019
- Federal exemptions
- 06c
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Company profile
researched Aug 2026Urban Sky is a Denver, Colorado-based stratospheric platform company built around its Microballoon, described as a precisely placeable stratospheric balloon that can be launched in under five minutes, reach approximately 75,000 feet and remain aloft for days to months. The company positions the stratosphere (roughly 40,000–75,000 feet) as an operating band between conventional aviation and orbital space, arguing it offers higher resolution and lower latency than satellites while avoiding the endurance, cost and logistics constraints of crewed aircraft and the altitude and range limits of drones.
The offering spans three linked layers: balloon systems for routine stratospheric access; a data layer consisting of a multi-axis pointing platform with RGB, VNIR and LWIR sensor options plus real-time downlink from 75,000 feet; and software for mission planning, flight control and processing raw sensor data into intelligence products. The platforms are described as recoverable and deployable on demand, with more than 20 patents cited as protecting the underlying technology.
Urban Sky addresses three stated markets: defense and intelligence (tactical ISR, communications relay and persistent surveillance in contested environments), commercial and data applications (high-resolution real-time imagery for infrastructure monitoring, agriculture and mapping), and science and weather (atmospheric research, climate monitoring and near-space experimentation).
Business model
Urban Sky supplies stratospheric balloon systems together with sensor payload capacity, real-time data downlink and mission-planning and data-processing software, engaging customers through a direct sales function for defense, commercial and scientific missions.
Revenue is associated with stratospheric platform systems, sensor-derived data products and accompanying mission software sold to defense, commercial and scientific customers; government contract awards also feature, including a reported $99 million U.S. Air Force award.
Traction
Press coverage cited by the company includes a reported $30 million raise for stratospheric balloons in February 2025, a $99 million U.S. Air Force award reported in November 2024, and an August 2024 feature on the company's wildfire-tracking balloons.
Latest developments
In February 2025 Payload Space reported a $30 million raise supporting the stratospheric balloon business. Earlier, in November 2024, ClearanceJobs reported a $99 million U.S. Air Force award tied to the company's high-altitude balloon technology, and in August 2024 Popular Science covered its wildfire-tracking balloon operations.
▸Full profile — market position, technology, go-to-market, geography
Market position
Urban Sky frames its platform against satellites (high cost, long lead times, fixed orbits), aircraft (hours of endurance, high operating cost, runway and crew requirements) and drones (low altitude, limited range and coverage), claiming a combination of satellite-like persistence and aircraft-like flexibility at lower cost. Its website cites coverage by TechCrunch, CNN, Popular Science, MIT Technology Review and SpaceNews.
Differentiation rests on precise placement and rapid deployment of stratospheric balloons—launch in under five minutes without runways, pilots or heavy logistics—combined with recoverability, multi-day to multi-month endurance, real-time downlink of high-resolution imagery from 75,000 feet, and a patent portfolio of more than 20 patents.
Technology
The core technology is the Microballoon, a reusable, precisely placeable stratospheric balloon that launches in under five minutes and operates for days or months at 40,000–75,000 feet. It carries a multi-axis pointing platform supporting RGB, VNIR and LWIR sensors with real-time data downlink from 75,000 feet, supported by proprietary software for mission planning, flight control and data processing. The company states that more than 20 patents cover this technology.
Go-to-market
Direct engagement through a sales team that works with prospective defense, commercial data and scientific research customers, supported by published contact channels and mission-specific consultation.
Defense and intelligence organizations requiring tactical ISR, communications relay and persistent surveillance; commercial users in infrastructure monitoring, agriculture and mapping; and scientific and weather users conducting atmospheric research, climate monitoring and near-space experimentation.
Geography
Headquartered in Denver, Colorado, United States.
Compiled by commissioned research from 1 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Founder mafia
3 people who came through Urban Sky went on to found or lead other companies.
Competitors · 5
by search overlapCompanies competing with Urban Sky for the same Google search keywords, organic and paid, via search-intersection analysis.
Non-dilutive funding · 13 SBIR/STTR awards
Federal grants — no equity taken| Agency | Phase | Year | Amount |
|---|---|---|---|
| U.S. Air ForceAir Force | Phase II | 2023 | $14.7M |
| U.S. Air ForceAir Force | Phase II | 2023 | $1.2M |
| U.S. Air ForceAir Force | Phase II | 2023 | $1.2M |
| U.S. Air ForceAir Force | Phase I | 2023 | $74.6K |
| U.S. Air ForceAir Force | Phase I | 2023 | $68.2K |
| U.S. Air ForceAir Force | Phase I | 2023 | $65.3K |
| U.S. Air ForceAir Force | Phase I | 2023 | $64.5K |
| U.S. Air ForceAir Force | Phase I | 2023 | $59K |
| National Science Foundation | Phase I | 2022 | $254.7K |
| U.S. Air ForceAir Force | Phase IISTTR | 2021 | $744.9K |
| U.S. Air ForceAir Force | Phase ISTTR | 2021 | $49.9K |
| U.S. Air ForceAir Force | Phase I | 2021 | $49.6K |
| NASA | Phase I | 2020 | $114.9K |
Source: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are competitive federal R&D grants and contracts — non-dilutive capital alongside any venture rounds above.
Timeline · 2
launches, deals, and filingsPayload Space reported that Urban Sky secured $30 million for its stratospheric balloon platform.
$30M source ↗
ClearanceJobs reported that Urban Sky received a $99 million Air Force award related to its high-altitude balloon technology.
$99M source ↗
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
Legal entities · 1
corporate structureIn the news
Urban Sky raises $30M for stratospheric balloons – SpaceNewsspacenews.com · Feb 2025▸Research sources · 1
primary sources listed
- Urban Skyurbansky.com · web
1 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Urban Sky do?
- Urban Sky builds reusable, precisely placeable stratospheric "Microballoon" systems for imaging, sensing and communications at 40,000–75,000 feet.
- Who founded Urban Sky?
- Urban Sky was founded by Andrew Antonio, Jared Leidich, Jared Liedich in 2019.
- Who are Urban Sky's investors?
- Urban Sky's investors include Catapult Ventures, Techstars, UNION Labs Ventures, Altos Ventures, Denver Ventures, Lavrock Ventures, Lerer Hippeau, New Stack Ventures and 1 more.
- How much funding has Urban Sky raised?
- Urban Sky has disclosed $45M raised across 4 rounds.
- Where is Urban Sky headquartered?
- Urban Sky is headquartered in Denver, US.








