Cesium Astro

Austin, United States Founded: 2017 • Age: 9 yrs
Antenna systems for satellites, UAVs, and launch vehicles are developed.
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About Cesium Astro

Cesium Astro is a company based in Austin (United States) founded in 2017 by Shey Sabripour.. Cesium Astro has raised $156.24 million across 7 funding rounds from investors including Honeywell, L3Harris and Kleiner Perkins. The company has 141 employees as of December 31, 2023. Cesium Astro has completed 1 acquisition, including TXMission. Cesium Astro offers products and services including Element Satellite Multi-Beam Payloads, Vireo Transceiver, Skylark Single-Beam Payloads, Nightingale, and Software-Defined Radio VPX. Cesium Astro operates in a competitive market with competitors including Oxford Space Systems, Mynaric, SatixFy, Akash Systems and Phasor Solutions, among others.

  • Headquarter Austin, United States
  • Employees 141 as on 31 Dec, 2023
  • Founders Shey Sabripour
  • Sectors
    Aerospace, Defense & Maritime
  • Email
    ***********
  • Phone
    *********
  • Website
    *********
  • Social
    *********
  • Legal Name Cesiumastro, Inc.
Operational Areas
Aerospace, Defense & Maritime → Space Technology & Exploration
Key Metrics
  • Annual Revenue
  • Net Profit
  • EBITDA
  • Total Equity Funding
    $156.24 M (USD)

    in 7 rounds

  • Latest Funding Round
    $200 M (USD), Debt – Conventional

    Jan 16, 2026

  • Investors
    Honeywell

    & 17 more

  • Employee Count
    141

    as on Dec 31, 2023

  • Investments & Acquisitions
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Products & Services of Cesium Astro

Cesium Astro offers a comprehensive portfolio of products and services, including Element Satellite Multi-Beam Payloads, Vireo Transceiver, Skylark Single-Beam Payloads, Nightingale, and Software-Defined Radio VPX. The company's diverse product and service offerings are designed to meet the evolving needs of its customers, address market demands, and provide comprehensive solutions that drive value creation and customer satisfaction across various segments and use cases.

Primary

High-throughput systems for satellite data transmission.

Multi-beam device for dynamic frequency allocation in space.

Single-beam solutions for airborne communication needs.

Modular kit for software-defined radio applications.

Scalable radio for high-throughput defense communications.

People of Cesium Astro
Headcount 50-200
Employee Profiles 74
Board Members and Advisors 3
Employee Profiles
People
Isaac Wanamaker
Senior Mechanical Spacecraft Engineer
People
Christopher Perez
Principal FPGA Engineer II
People
Abraham Wolfgang
Principal Hardware Design Engineer
People
Susan Tower
Principal Spacecraft Mechanical Engineer II

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Board Members and Advisors
people
Lisa Porter
Advisor
people
Mike Griffin
Advisor
people
Hinrich J. Woebcken
Advisor

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Funding Insights of Cesium Astro

Cesium Astro has successfully raised a total of $156.24M across 7 strategic funding rounds. The most recent funding activity was a Debt – Conventional round of $200 million completed in January 2026. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.

  • Total Funding
  • Total Rounds 7
  • Last Round Debt – Conventional — $200.0M
  • First Round

    (02 Jul 2017)

  • Investors Count 18
Date Amount Transaction Name Valuation Lead Investors Investors
Jan, 2026 Amount Debt – Conventional - Cesium Astro Valuation

investors

Jan, 2024 Amount Series B - Cesium Astro Valuation Trousdale Ventures
Jan, 2023 Amount Series B - Cesium Astro Valuation

investors

Date Amount Transaction Name Valuation Lead Investors Investors
Jul, 2021 Amount Post-IPO - Grab Valuation

investors

Feb, 2021 Amount Post-IPO - Grab Valuation

investors

Jan, 2021 Amount Post-IPO - Grab Valuation

investors

Feb, 2021 Amount Post-IPO - Grab Valuation

investors

Investors in Cesium Astro

Cesium Astro has secured backing from 18 investors, including venture fund and institutional investors. Prominent investors backing the company include Honeywell, L3Harris and Kleiner Perkins. This diverse investor base provides strategic capital, industry expertise, and valuable network connections that support the company's growth initiatives, market expansion, and long-term value creation.

All
Venture Fund
Institutional
Investor Description Founded Year Domain Location
Early-stage tech startups are funded in mobility and climate sectors.
Founded Year Domain Location
Venture capital firm investing in early-stage tech startups
Founded Year Domain Location
Early-stage tech-focused VC investment company investing primarily in the US
Founded Year Domain Location
Investor Description Founded Year Domain Location
Single family office of Amitabh Bachchan, founder of Amitabh Bachchan Corporation or AB CORP
Founded Year Domain Location
Startup ecosystems are ignited through strategic investments by Signite Partners.
Founded Year Domain Location
Venture capital is directed toward companies in multiple sectors.
Founded Year Domain Location
Venture capital is invested in cybersecurity, fintech, and AI startups.
Founded Year Domain Location

Investments & Acquisitions by Cesium Astro

Cesium Astro has strategically engaged in corporate development activities, having acquired 1 company. Notable acquisitions include TXMission. These strategic investments and acquisitions demonstrate the company's commitment to growth through portfolio expansion, market consolidation, technology integration, and strategic partnerships that enhance competitive positioning and drive long-term value creation.

Investments
Company Name Description Domain Location Founded Year Amount
Bionic investment advisor platform
2016
Fine Asian gourmet food is offered by an internet-first restaurant.
2016
Physical e-commerce kiosks are deployed for rural purchases in Indonesia.
2014
Fine Asian gourmet food is offered by an internet-first restaurant.
2016
Acquisitions
Company Name Description Domain Location Founded Year Amount
Small-sat modems and satellite communications solutions are manufactured and supplied.
2000
Company Name Description Domain Location Founded Year Amount
OVO is recognized as a smart digital payment application.
2017
Bionic investment advisor platform
2016
Physical e-commerce kiosks are deployed for rural purchases in Indonesia.
2014
Physical e-commerce kiosks are deployed for rural purchases in Indonesia.
2014

Financial Statements - Cesium Astro

Tata Steel revenue growth over time
Tata Steel profit and loss trends over time
Date Amount Transaction Name Valuation Lead Investors Investors
Jul, 2021 Amount Post-IPO - Grab Valuation

investors

Feb, 2021 Amount Post-IPO - Grab Valuation

investors

Jan, 2021 Amount Post-IPO - Grab Valuation

investors

Feb, 2021 Amount Post-IPO - Grab Valuation

investors

Cesium Astro Comparisons

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Competitors of Cesium Astro

Cesium Astro operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as Oxford Space Systems, Mynaric, SatixFy, Akash Systems and Phasor Solutions, among others. This competitive environment drives innovation, market differentiation, and strategic positioning as companies strive to capture market share and deliver value to their customers. Understanding the competitive dynamics is crucial for assessing market positioning, identifying growth opportunities, and navigating the challenges inherent in a competitive marketplace.

Company Name Domain Founded year HQ Location Description
domain founded_year HQ Location
Satellite antenna systems are manufactured using proprietary composite materials.
domain founded_year HQ Location
Satellite communication systems are developed using optical wireless technologies.
domain founded_year HQ Location
Provider of satellite communication SOCs and products
domain founded_year HQ Location
Small LEO satellites, transmitters, and RF power amplifiers are developed.
domain founded_year HQ Location
Provides comprehensive solutions in phased array antenna technology for satellite communication.
Company Name Domain Founded year HQ Location Description
domain founded_year HQ Location
Multiple services are booked via an app-based platform.
domain founded_year HQ Location
On-demand services are booked through an app-based platform.
domain founded_year HQ Location
App based platform offering on demand delivery and ride-hailing services
domain founded_year HQ Location
Operates an on-demand hyperlocal delivery app for food and groceries.

Latest news on Cesium Astro

Frequently Asked Questions about Cesium Astro

When was Cesium Astro founded?

Cesium Astro was founded in 2017.

Where is Cesium Astro located?

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

Who is the current CEO of Cesium Astro?

Shey Sabripour is the current CEO of Cesium Astro. They have also founded this company.

Is Cesium Astro a funded company?

Cesium Astro is a funded company, having raised a total of $156.24M across 7 funding rounds to date. The company's 1st funding round was a Series B of $2.09M, raised on Jul 02, 2017.

How many employees does Cesium Astro have?

As of Dec 31, 2023, the latest employee count at Cesium Astro is 141.

What does Cesium Astro do?

Cesium Astro was founded in 2017 in Austin, United States, focusing on the aerospace sector. Communication systems for satellites, unmanned aerial vehicles, and launch vehicles are provided through a specialized platform. A software-defined Ka-Band active phased array antenna, equipped with embedded channelizers and power electronics, is offered to support these applications. Operations emphasize hardware and software integration for space and aerial technologies.

Who are the top competitors of Cesium Astro?

Cesium Astro's top competitors include Mynaric, Oxford Space Systems and ReOrbit.

What products or services does Cesium Astro offer?

Cesium Astro offers Element Satellite Multi-Beam Payloads, Vireo Transceiver, Skylark Single-Beam Payloads, Nightingale, and Software-Defined Radio VPX.

How many acquisitions has Cesium Astro made?

Cesium Astro has made 1 acquisition, including TXMission.

Who are Cesium Astro's investors?

Cesium Astro has 18 investors. Key investors include Honeywell, L3Harris, Kleiner Perkins, Analog Devices, and Franklin Templeton.

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