Iridium vs SES: Communications constellations compared

November 2026 edition · assessment by Frontier Tech Intelligence

Iridium ranks 24 on the Space 100 with a score of 80; SES ranks 39 with 77. Iridium is ahead on deployment, commercials and progress. Level on production, technology, positioning, firepower and leverage. Iridium is based in McLean, United States, SES in Betzdorf, Luxembourg. Iridium: Subsidiary. SES: Established. Iridium is named in 23 signals and SES in 75.

Iridium →

McLean, Virginia, United States · Space · Satellites & spacecraft / Communications constellations · Subsidiary · iridium.com

Iridium operates a global satellite network providing voice, IoT, maritime safety, tracking, and satellite-to-device connectivity services to commercial, enterprise, and government customers.

Space 100 · rank 24 · score 80

Scores, Space (of 10)

Deployment10
Production6
Commercials9
Progress10
Technology6
Positioning8
Firepower8
Leverage8

Darker bar: ahead of the other company on that measure.

Positioning

Iridium is a US satellite operator (Nasdaq:IRDM) running a 66-satellite operational L-band constellation with decades of continuous global service (voice, data, IoT, PNT) and FY25 revenue of ~$830M (75% recurring service). It is being acquired by Rocket Lab in a ~$8B pending deal, the largest space-sector M&A of the cycle, creating a vertically integrated space platform projected at ~$1.8B 2026 revenue near break-even. PNT (GPS-alternative timing) is its growth segment.

Latest signals

  • Altair Semiconductor is integrating Iridium NTN Direct into its cellular IoT chipsets.Electronics Weekly
  • Rocket Lab CFO predicts increased M&A activity in the space industryPayload
  • Iridium and SKYWAVE partnered to advance satellite IoT for heavy-equipment manufacturers.Iridium

23 signals name Iridium.

Facts, with sources

  • Introduced the SOLION-100 terminal combining maritime safety and tracking functionsIridium
  • Iridium, Deutsche Telekom IoT, and Toyota demonstrated voice messaging over satellite using Iridium NTN DirectIridium
  • Iridium and SKYWAVE partnered to advance satellite IoT for heavy-equipment manufacturersIridium

35 facts on file.

SES →

Betzdorf, Luxembourg · Space · Satellites & spacecraft / Communications constellations · Established · ses.com

SES operates GEO and MEO satellite networks, including O3b mPOWER, and sells connectivity to broadband, direct-to-device, maritime, government, defense and media customers.

Space 100 · rank 39 · score 77

Scores, Space (of 10)

Deployment9
Production6
Commercials8
Progress9
Technology6
Positioning8
Firepower8
Leverage8

Darker bar: ahead of the other company on that measure.

Positioning

SES is a Luxembourg multi-orbit satellite operator (>EUR 3.5B class after completing its Intelsat acquisition in 2025) running a GEO fleet plus the O3b mPOWER MEO constellation, the consolidation move of the operator sector with Intelsat integration underway. K2 Space is building an initial 30-satellite MEO network for it, and it partners with Eutelsat OneWeb on airline multi-orbit deals. Current figures are verified-light this pass (a dedicated results pass owed).

Latest signals

  • SES and CANAL+ extended their strategic partnership through 2040.Satellite Evolution
  • ESA is developing the €15.6 billion Iris2 secure connectivity constellation with Aerospacelab and SES.Space Intel Report
  • SES selected Lyntris as payload integrator for its PTS-G satellite work.Via Satellite

75 signals name SES.

Facts, with sources

  • Astrium Mobile Neastar-1 L-band direct-to-device satellite mission planned for completionSpaceNews
  • Sixth HummingSat order for the Intelsat 45 missionSpaceNews
  • Intelsat-45 Ku-band FSS and BSS satellite mission planned for completionSpaceNews

110 facts on file.

More comparisons

Questions this page answers

Iridium or SES: which is ahead in space?

Iridium ranks 24 on the Space 100 with a score of 80; SES ranks 39 with 77. Iridium is ahead on deployment, commercials and progress. Level on production, technology, positioning, firepower and leverage. Iridium is based in McLean, United States, SES in Betzdorf, Luxembourg. Iridium: Subsidiary. SES: Established. Iridium is named in 23 signals and SES in 75.

How do Iridium and SES compare?

Iridium ranks 24 on the Space 100 with a score of 80; SES ranks 39 with 77. Iridium is ahead on deployment, commercials and progress. Level on production, technology, positioning, firepower and leverage. Iridium is based in McLean, United States, SES in Betzdorf, Luxembourg. Iridium: Subsidiary. SES: Established. Iridium is named in 23 signals and SES in 75. Both company files carry the scores on eight measures, the facts with sources and the latest signals.

Every comparison here comes from the same files members use every day.

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