Where is York Space Systems headquartered?

York Space Systems is headquartered in Greenwood Village, CO and was founded in 2012.

How much funding has York Space Systems raised?

York Space Systems has raised ~$629M in disclosed funding.

What does York Space Systems specialize in?

York Space Systems works across Small satellites, Space systems, Proliferated LEO constellations.

Does York Space Systems hold government contracts?

Defense Tech Atlas links York Space Systems to 1 government contract and 1 program.

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CompanyVerified

York Space Systems

Builds proliferated small satellites for the Space Development Agency and other customers.

York Space Systems builds proliferated small satellites (S-Class bus) for defense and civil customers; a prime contractor on SDA's Proliferated Warfighter Space Architecture Tranche 1 Transport Layer. Went public in 2026 (ticker YSS).

Overview

Headquarters: Greenwood Village, CO
Founded: 2012
Employees: 670+
Total funding: ~$629M
Stage: Public
Status: public
Domains: Small satellites, Space systems, Proliferated LEO constellations
Website: www.yorkspacesystems.com

Founders1

FounderDirk WallingerFounder and CEO of York Space Systems, which he founded in 2012.

Investors1

FundAE Industrial PartnersPrivate investment firm focused on national security, aerospace, and industrial services.

Cap table0

Approximate ownership by holder. Indexed holders link to their records.

No disclosed ownership for this round

Holder	Instrument	Ownership

Contracts1

ContractSDA Tranche 1 Transport Layer prototype agreementYork's original SDA Tranche 1 Transport Layer prototype award.

Programs1

ProgramProliferated Warfighter Space ArchitectureSDA's tranche-based proliferated-LEO architecture for missile warning/tracking and resilient space-domain awareness.

Frequently asked

What does York Space Systems do?: York Space Systems builds proliferated small satellites (S-Class bus) for defense and civil customers; a prime contractor on SDA's Proliferated Warfighter Space Architecture Tranche 1 Transport Layer. Went public in 2026 (ticker YSS).
Where is York Space Systems headquartered?: York Space Systems is headquartered in Greenwood Village, CO and was founded in 2012.
How much funding has York Space Systems raised?: York Space Systems has raised ~$629M in disclosed funding.
What does York Space Systems specialize in?: York Space Systems works across Small satellites, Space systems, Proliferated LEO constellations.
Does York Space Systems hold government contracts?: Defense Tech Atlas links York Space Systems to 1 government contract and 1 program.

Sources & citations3

Each claim links to its underlying source. Confidence reflects how directly the source supports the claim.

1
York Space Systems built the 21 Tranche 1 Transport Layer satellites launched 2026-07-16 on a SpaceX Falcon 9 from Vandenberg SFB, and confirmed contact with and health of all 21 within hours
Space Development Agency: Space Development Agency Successfully Completes Third Launch of Tranche 1 Satellites
Verified2026-07-16
2
York Space Systems raised $629M in its IPO (Jan 29, 2026), listing on NYSE as YSS; AE Industrial Partners (majority owner since 2022) retained 24% post-IPO
Washington Technology: York Space Systems raises $629M in public offering
Verified2026-01-29
3
York Space Systems IPO prospectus: principal executive offices at 6060 S Willow Drive, Greenwood Village, CO 80111; more than 670 employees as of September 30, 2025 (approximately 341 cleared, 57 more in progress); founded 2012 by CEO Dirk Wallinger; AE Industrial Partners funds hold approximately 23.8% of common stock after the offering and control more than 50% of total voting power, making York a "controlled company" under NYSE rules
SEC EDGAR: York Space Systems Inc. Form 424B4 (IPO prospectus)
Verified2026-01-30