When was CesiumAstro founded?

CesiumAstro was founded in 2017 and raised its 1st funding round within a year of its incorporation.

Where is CesiumAstro located?

CesiumAstro is headquartered in Austin, United States. It is registered at Austin, Texas.

Who is the current CEO of CesiumAstro?

Shey Sabripour of CesiumAstro. They have also founded 1 company.

How many employees does CesiumAstro have?

As of Feb 28, 2026, the latest employee count at CesiumAstro is 399.

Is CesiumAstro a funded company?

CesiumAstro is a funded company, having raised a total of $426M across 8 funding rounds to date. The company's 1st funding round was a $***** Seed round, raised on Jul 02, 2017.

When was the latest funding round of CesiumAstro?

CesiumAstro's latest funding was a $***** Series C round on Feb 02, 2026, with participation from 7 investors.

Where does CesiumAstro rank among its competitors?

CesiumAstro ranks 2nd amongst 50 active competitors, of which 9 are funded. It stands 1st in terms of total funding among its competitors. The most recent competitor to raise funding was CesiumAstro, which secured $270M in Feb, 2026.

Who are the top competitors of CesiumAstro?

CesiumAstro's top competitors include Oxford Space Systems, Avantel and Addvalue Technologies. Among them, CesiumAstro secured the most recent funding round in February, 2026.

CesiumAstro - 2026 Company Profile, Team, Funding & Competitors

CesiumAstro is a series C company based in Austin (United States), founded in 2017 by Shey Sabripour. It operates as a Developer of communication systems for space, air, and ground missions. CesiumAstro has raised $426M in funding from investors like Airbus Ventures, Trousdale Ventures and Forever Ventures. The company has 50 active competitors, including 9 funded and 8 that have exited. Its top competitors include companies like Oxford Space Systems, Avantel and Addvalue Technologies.

Company Details

Developer of communication systems for space, air, and ground missions. The company provides full-stack, multi-mission hardware and software products. Offerings include integrated LEO satellites and active phased array payloads. Products support beam steering, dynamic frequencies, and on-orbit reconfigurability. The company’s systems facilitate inter-satellite links, mission-data downlink, and multi-beam connectivity.

Website: www.cesiumastro.com/
Social
Email ID: *****@cesiumastro.com
Registered Address: Austin, Texas

Key Metrics

Founded Year

2017

Location

Austin, United States

Stage

Series C

Total Funding

$426M in 8 rounds

Latest Funding Round

Series C, Feb 02, 2026, $*****

Investors

Airbus Ventures & 22 more

Ranked

2^nd among 50 active competitors

Employee Count

399 as on Feb 28, 2026

Investment & Acquisitions

VidRovr & 1 more

Similar Companies

Oxford Space Systems & 55 more

View CesiumAstro's full profile

CesiumAstro is associated with 4 legal entities given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
CesiumAstro Inc. CIN: 001t000000vbYhrAAE , United States, Active	Aug 26, 2022	-	-	-
CESIUMASTRO INC. CIN: 32062730422 , United States, Active	Feb 04, 2022	-	-	-
CESIUMASTRO UK LIMITED CIN: 14320370 , United Kingdom, Active	Aug 25, 2022	-	-
CESIUMASTRO INC CIN: 815150046 , United States, Active	Dec 31, 2016	-	217 (As on Dec 31, 2024)	-

CesiumAstro has raised a total funding of $426M over 8 rounds. Its first funding round was on Jul 02, 2017. Its latest funding round was a Series C round on Feb 02, 2026 for $*****. 7 investors participated in its latest round. CesiumAstro has 23 institutional investors.

Here is the list of recent funding rounds of CesiumAstro:

Filter this list

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Feb 02, 2026	6551391	Series C	3091540	5690294	3015584	6313513
Jan 16, 2026	4388573	Conventional Debt	5893147	3122442	5223254	EXIM.gov & 1 more
Jan 29, 2024	6658937	Series B	1713309	4946506	Trousdale Ventures	Development Bank of Japan & 8 more

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View details of CesiumAstro's funding rounds and investors

The founders of CesiumAstro is Shey Sabripour. Shey Sabripour is the CEO of CesiumAstro.

Here are the details of CesiumAstro's key team members:

Shey Sabripour: Founder & CEO of CesiumAstro. They serve on the boards of 2 companies.
Contact Info: 1 email address

CesiumAstro's Board of Directors

CesiumAstro's board has 8 active members. Shey Sabripour, Wen H Hsieh, Christopher O'Donnell, Thomas D?Halluin, Jonathan Hodock, Thomas D'Halluin, Thomas DHalluin and Daniel Sable are independent board members.

Here is the list of CesiumAstro's board of directors:

Name	Type	Representing	Status	Duration
Shey Sabripour	Independent board member	-	Current	8y 10m
duzdvrq	Independent board member	-	Current	1y 2m
qqviqwf	Independent board member	-	Current	9y 2m
hjwtsqv	Independent board member	-	Current	4y 3m
kfgyazo	Independent board member	-	Current	5y 4m
gntdhsi	Independent board member	-	Current	3y 8m
luzgicg	Independent board member	-	Current	4y 8m
pzfjuas	Independent board member	-	Current	8y 9m

View details of CesiumAstro's Founder profiles and Board Members

CesiumAstro's employee count trend

CesiumAstro has 399 employees as of Feb 26. Here is CesiumAstro's employee count trend over the years:

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Top competitors of CesiumAstro include Oxford Space Systems, Avantel and Addvalue Technologies. Here is the list of Top 10 competitors of CesiumAstro, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Oxford Space Systems 2013, Harwell (United Kingdom), Series A	Manufacturer of deployable antenna systems for space-based satellite services	$31M	Longwall Venture Partners, Foresight Group ... & 36 others	66/100
2nd	CesiumAstro 2017, Austin (United States), Series C	Developer of communication systems for space, air, and ground missions	$426M	Kleiner Perkins, Quanta Computer & 21 others	61/100
3rd	Avantel 1993, Hyderabad (India), Public	Satellite Communication and Wireless System Provider	-	-	53/100
4th	Addvalue Technologies 1994, Singapore (Singapore), Public	Satellite communication equipment provider	-	Enspire Capital, KLM Capital Group	50/100
5th	Radeus Labs 2002, Poway (United States), Unfunded	Manufacturer of satellite antenna tracking and control systems	-	-	50/100
6th	TTI 1996, Santander (Spain), Funding Raised	Antennas and RF products provider	-	EIC Fund, Europa & 1 others	49/100
7th	Tendeg 2016, Louisville (United States), Unfunded	Provider of space antennas and deployable structures	-	-	49/100
8th	Anywaves 2017, Toulouse (France), Unfunded	Developer of antennas for various space applications	-	-	42/100
9th	Haigh-Farr 1969, Bedford (United States), Acquired	Provider of conformal antennas	-	-	42/100
10th	Arralis 2014, Belfast (United Kingdom), Series A	Develops satellite communications and radar technology	-	Starburst, Act Venture Capital & 3 others	42/100