York Space Systems

What York Space Systems does

York Space Systems is a Denver-based designer and manufacturer of spacecraft bus platforms, founded in 2012 and publicly listed on the NYSE (ticker: YSS) since January 2026. The company produces three modular, flight-proven satellite platforms — S-CLASS (85kg+ payload, 500W), LX-CLASS (300kg+ payload, 1.5kW), and M-CLASS (1,000kg+ payload, 8+kW) — designed for mass manufacture and proliferated LEO constellations, with claimed production costs at approximately half the industry average and delivery timelines of seven months versus the typical two-year cycle. Following its $629M IPO, York has pursued aggressive vertical integration through the acquisitions of Orbion (electric propulsion), Solestial (radiation-resistant solar cells), ALL.SPACE (multi-orbit communications terminals), and ATLAS Space Operations (ground systems), creating an end-to-end stack from components to constellation operations.

The company's revenue model is anchored in firm-fixed-price hardware sales, with 95%+ of revenue derived from U.S. government defense and national security customers — primarily the Space Development Agency, Space Force, and Department of Defense. York holds 35% share of the SDA Transport Layer program, with 126 satellites awarded across Tranches 0, 1, and 2, and is pursuing expansion into additional mission sets including the Golden Dome missile defense program valued up to $831 billion. Distribution is exclusively through direct government prime contracts and a smaller commercial constellation sales channel. FY2025 revenue reached $386.2 million (52% YoY growth) with FY2026 guidance of $545–$595 million, though gross margin compressed to 19% in the most recent quarter and the company faces multiple active securities fraud investigations following a May 2026 short-seller report. AE Industrial Partners retains majority voting control post-IPO despite holding only 24.4% of equity.

Name

York Space Systems

Legal name

York Space Systems

Website

https://yorkspacesystems.com

Company type

Public

Founded year

2012

Operating status

Operating

Headcount range

501–1,000 employees

Short description

York Space Systems is a Denver-based, publicly traded designer and manufacturer of modular spacecraft bus platforms for proliferated LEO constellations, serving primarily U.S. defense and national security customers — chiefly the Space Development Agency — with vertically integrated propulsion, solar, terminal, and ground capabilities.

Ownership category

akta.pro rank

Product category

Satellite and Spacecraft Manufacturing

NAICS

Guided Missile and Space Vehicle Manufacturing (336414), Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing (336419), Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing (336415), Aerospace Product and Parts Manufacturing (33641)

SIC

Guided Missiles & Space Vehicles & Parts (3760), Search, Detection, Navagation, Guidance, Aeronautical Sys (3812)

akta.pro primary industry

Spacecraft & Satellites (Civil/Commercial) (IMABACAB)

akta.pro secondary industries

Military Space Systems (Defense Spacecraft) (IMABACAC), Spacecraft Avionics, Flight Computers & Software (IMABACAI), Ground Segment Systems (Ground Stations, TT&C, Mission Ops) (IMABACAJ), Satellite Broadband Terminals & Gateways (VSAT/LEO CPE) (HDAFAIAM), Spacecraft Propulsion (In-Space) & Thrusters (IMABACAE)

Keywords

• Spacecraft manufacturing
• Satellite bus platforms
• Defense satellite constellations
• Space-grade components
• Mission control software

Headquarters

HQ city

Denver

HQ country

United States

HQ region

North America

Offices4 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Government Satellite Manufacturing Contracts: Primary revenue stream from U.S. government defense and national security satellite programs. Revenue primarily from Space Development Agency (Tranche 0, 1, 2 transport layer), Space Force missile warning systems, and Department of Defense programs. 95%+ of revenue from government sources. Revenue model involves firm-fixed-price contracts with long production cycles.
2. Commercial Satellite Constellation Programs: Growing commercial customer segment including $187 million commercial contract for 20+ satellite M-CLASS constellation. Expanding into commercial markets beyond defense.
3. Spacecraft Component Sales: Revenue from supplying proprietary spacecraft components to external customers through wholly owned subsidiaries (Orbion, Solestial).

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels4 records

Core offering

York Space Systems designs and manufactures a modular family of flight-proven spacecraft platforms (S-CLASS, LX-CLASS, M-CLASS) intended for mass production and proliferated LEO constellations. The company is vertically integrated through wholly owned subsidiaries that supply propulsion (Orbion), radiation-resistant solar cells (Solestial), multi-orbit communications terminals (ALL.SPACE), and ground systems (ATLAS), complemented by its proprietary Bastion ground software and Multi-Mission Operations Center.

Product overview

York Space Systems is a vertically integrated spacecraft solutions provider offering a modular family of flight-proven spacecraft platforms (S-CLASS, LX-CLASS, M-CLASS) alongside proprietary ground segment software (Multi-Mission Operations Center and Bastion), and acquired capabilities including propulsion systems (Orbion/Aurora plasma propulsion), solar technology (Solestial self-healing solar cells), and multi-orbit communications terminals (ALL.SPACE Hydra Terminal Range). The company provides complete end-to-end solutions from space-based infrastructure to secure data routing and ground operations, with direct supply chain control over essential spacecraft components. York serves national security and commercial customers with high-rate production capabilities delivering satellites at claimed half the cost of competitors.

Differentiator

Problem solved

Functional benefit

Products and services

• S-CLASS Spacecraft Platform 3-axis stabilized spacecraft designed for mass manufacture and constellation deployment. ESPA compatible with a 24" x 24" stowed minimum volume, supporting 85kg+ payload mass and a 500W peak power system extensible to 1kW. Targets defense and commercial operators needing rapid, low-cost constellation production.
• LX-CLASS Spacecraft Platform 3-axis stabilized spacecraft designed for mass manufacture. ESPA/ESPA-Grande compatible with a 34" x 34" stowed volume, supporting 300kg+ payload mass and a 1.5kW peak power system. Targets defense and commercial constellations requiring larger payloads than S-CLASS.
• M-CLASS Spacecraft Platform York's largest and most powerful spacecraft bus, sharing 75% of its technology with S-CLASS and LX-CLASS. Supports 1,000+kg payload mass and 8+ kW peak power for Earth-observation and high-throughput communications missions. Designed to deliver same capabilities as competitors at half the cost.
• Multi-Mission Operations Center (M-MOC) York's proprietary multi-mission operations center software with Flight-Hardened mission planning, secure web-portal tasking, layered information assurance, and internally developed APIs enabling rapid tasking and data delivery across multiple customers and constellations.
• Bastion Ground Software York's proprietary mission planning suite that submits constellation tasking via a secure web portal and routes rapid data delivery to customer servers or York infrastructure, providing secure communications for defense operations.
• Aurora Plasma Propulsion Systems Hall-effect electric (plasma) propulsion thrusters from the Orbion subsidiary, integrated into York's spacecraft buses for orbit raising, station-keeping, and deorbit on national security and commercial satellites.
• Solestial Self-Healing Silicon Solar Cells Radiation-resistant, flexible silicon solar cells with proprietary self-healing capability against radiation-induced degradation, supplied by York's Solestial subsidiary and proven on-orbit.
• Hydra Terminal Range Software-defined multi-orbit communications terminals from the ALL.SPACE subsidiary, providing simultaneous multi-link connectivity across LEO, MEO, GEO, and HEO networks for defense and commercial customers.

Quantifiable outcome

• Satellites produced at approximately half the cost of competitors ($10M vs $20M+)
• +6 more outcomes

Named customers8 records

Segments2 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

Seven partnerships are on record, tiered core, supporting and minor.

• SolestialcoreTechnology or Integration · 4 June 2026Arizona-based provider of radiation-resistant space solar technology with proprietary self-healing silicon solar cells. Acquired for $67 million. Solestial continues as wholly owned subsidiary supplying solar technology to York and external customers.
• ALL.SPACEcoreTechnology or Integration · 30 April 2026UK-based satellite communications terminal provider acquired for $355 million (cash and stock). Develops software-defined Hydra Terminal Range for multi-orbit connectivity. Expected to close Q3 2026 pending regulatory approvals.
• Orbion Space TechnologycoreTechnology or Integration · 12 March 2026Michigan-based electric propulsion manufacturer acquired by York. Orbion's Aurora plasma propulsion systems integrated into York spacecraft for national security missions. Continues operating as wholly owned subsidiary.
• NASA / Johns Hopkins APLsupportingStrategic or Co-development Partner · 19 December 2025Strategic partnership for PExT (Polylingual Experimental Terminal) demonstration mission aboard BARD satellite. NASA and Johns Hopkins Applied Physics Laboratory partnered with York to demonstrate multi-network space communications interoperability. Mission extended through 2027.
• ATLAS Space OperationssupportingTechnology or Integration · 19 July 2025Acquired by York parent company to enhance space-to-ground communication capabilities and accelerate mission delivery. Part of vertical integration strategy.
• Colorado Rockies (MLB)minorGTM or Marketing Partner · 2 July 2025First aerospace company to partner on jersey patch deal across professional sports. Jersey partnership links space technology with Major League Baseball team.
• Lockheed Martin / Northrop Grumman / L3HarrissupportingStrategic or Co-development PartnerCo-contractors with York on Space Force missile alert satellite system. Program rated among lowest-performing Space Force initiatives with hardware and software challenges.

Scale indicators30 records

Recent moves8 records

Expansion highlights6 records

Broad incumbents

• Lockheed Martin: Largest U.S. defense prime with a substantial Space segment including missile warning satellites. Directly comparable as a co-contractor with York on the Space Force missile alert constellation, competing for the same proliferated LEO national security business.
• Northrop Grumman: Major defense prime with deep space systems heritage (ESPAStar, MEV, GEO satellites). Competes with York on Space Force missile alert co-contract and broader national security space architecture, though with a heavier legacy footprint.
• L3Harris Technologies: Defense prime with significant space and missile warning business, co-contracting on the Space Force missile alert program alongside York. Competes for proliferated LEO architecture slots and tracking layer work.
• Sierra Space: Space systems developer covering satellite buses, in-space logistics (Dream Chaser), and space tech components. Overlaps with York on satellite platforms and is competing for adjacent national security and commercial constellation work.
• Ball Aerospace (Booz Allen Hamilton): Major space and defense manufacturer with strong position in space payloads, spacecraft, and ground systems — overlapping York's vertically integrated spacecraft-to-ground value proposition across defense customers.
• SpaceX (Starshield/Dragon): Dominant launch and LEO constellation operator with Starshield military satellite variant. While York builds buses and SpaceX builds complete constellations, both compete for SDA and national security satellite dollars.

Direct peers

• Rocket Lab: Public smallsat end-to-end space company with its own spacecraft bus (Photon), components, and launch. Closest direct publicly traded peer in business model — spacecraft manufacturing plus subsystems, with growing defense focus that overlaps York's market.
• Terran Orbital: Small spacecraft bus manufacturer serving defense and commercial constellation customers, including past work with SDA-adjacent programs. Direct peer in spacecraft manufacturing scale and customer mix, though with different capital structure.

Emerging players

• Apex Space: Emerging smallsat bus manufacturer focused on standardized, mass-manufactured satellite platforms — directly comparable to York's S-CLASS/LX-CLASS mass-manufacture philosophy for constellations.
• True Anomaly: Emerging space and defense startup building satellites and software for orbital security and space domain awareness. Emerging peer competing for adjacent SDA and Space Force mission areas; recently hired York's former VP of Engineering.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks7 records

Key highlights6 records

Customer concentration

• Xx.com/yorkspacesystem
• LinkedInlinkedin.com/company/york-space-systems

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 records

Subsidiaries4 records

Funding overview

Funding rounds2 records

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A5 records

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about York Space Systems