Omnidea - Rtg Gmbh

What Omnidea - Rtg Gmbh does

Omnidea-RTG GmbH is a German small-to-medium enterprise (SME) headquartered in Stuhr, Lower Saxony, in the Bremen area. The company was created in April 2014 when Omnidea, Lda (a Portuguese SME controlled by Mr. Tiago Pardal at approximately 95% ownership) acquired the Space division of RTG Aero-Hydraulic, preserving personnel, processes, and facilities from the predecessor entity whose heritage in space propulsion dates back to 1973. Omnidea-RTG designs, manufactures, and qualifies satellite chemical propulsion components and supplies complete propulsion sub-system assembly, integration, and testing (AIT) services for the European space sector.

The company's product portfolio spans three categories: cold gas systems (including a piezo-actuated cold gas thruster, fill and vent valves, and gas pressure filters); hydrazine (N2H4) propulsion systems (including manual ball valves, ball latch valves qualified to ESA standards for Sentinel-3, titanium-to-stainless-steel and titanium-to-aluminum transition joints, propellant filters, oxygen isolation valves, and back-pressure relief valves); and launcher-adapted products (electric venting valves and relief valves). Manufacturing and integration activities are conducted in a Class 10,000 (ISO 7) cleanroom equipped with a Class 100 (ISO 5) cleanbench. The company holds DIN EN 9100:2018 certification scoped to the design, development, manufacturing/assembly, and testing of space propulsion components and sub-systems.

The business operates on a direct B2B enterprise sales model, supplying bespoke components and services on a quote basis to large system integrators and institutional clients — notably Airbus Defence and Space, OHB Group, Thales Alenia Space, the European Space Agency (ESA), the German Aerospace Center (DLR), and the Taiwanese Space Agency (NSPO). Flight heritage spans missions including CHAMP, GRACE, SAR-Lupe, Sentinel-3, EnMAP, and Formosat-5. As of 2026, the company is participating in the Sener-led VLEO-DEF consortium developing Europe's first defence satellite concept for very low Earth orbit operations.

Name

Omnidea - Rtg Gmbh

Legal name

Omnidea-RTG GmbH

Website

https://omnidea-rtg.de

Company type

Private

Founded year

2014

Operating status

Operating

Short description

Omnidea-RTG GmbH is a German SME that designs and manufactures satellite chemical propulsion components (cold gas and hydrazine systems) and provides propulsion sub-system assembly, integration and testing services for European space primes and institutional clients including Airbus D&S, OHB, Thales Alenia Space, and ESA.

Ownership category

akta.pro rank

Product category

Satellite Propulsion Components

NAICS

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

SIC

Guided Missiles & Space Vehicles & Parts (3760)

akta.pro primary industry

Spacecraft Propulsion (In-Space) & Thrusters (IMABACAE)

akta.pro secondary industry

Space Structures, Mechanisms & Thermal Control (IMABACAF)

Keywords

• Satellite propulsion components
• Chemical propulsion systems
• Cold gas thrusters
• Hydrazine propulsion valves
• Propulsion subsystem AIT

Headquarters

HQ city

Stuhr

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Satellite Propulsion Components: Sale of satellite chemical propulsion components including valves, filters, transition joints, and thrusters to satellite manufacturers and integrators.
2. Propulsion Sub-system AIT Services: Assembly, Integration and Testing services for complete propulsion sub-systems, including acceptance testing.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Omnidea-RTG GmbH designs and manufactures satellite chemical propulsion components, including cold gas systems and hydrazine-based liquid propulsion components such as valves, filters, transition joints, and thrusters. The company also provides propulsion sub-system assembly, integration and testing (AIT) services, supplying flight-proven hardware to European satellite manufacturers and institutional space agencies.

Product overview

Omnidea-RTG GmbH is a German SME that develops and manufactures space propulsion components and sub-systems for satellite manufacturers and institutional clients. The product portfolio consists of three main hardware categories: Cold Gas Systems (including Piezo Cold Gas Thruster, Fill and Vent Valve, and Gas Pressure Filter), Hydrazine Systems (comprising Manual Ball Valve, Ball Latch Valve, Ti-to-SS Transition Joint, Hydrazine Propellant Filter, Oxygen Isolation Valve, Back-Pressure Relief Valve, and Ti-to-AA Transition Joint), and Launcher Adapted Products (Electric Venting Valve and Relief Valve). The company also provides associated services including propulsion sub-system assembly, integration and testing (AIT), and acceptance testing. With over 45 years of heritage dating back to 1973, Omnidea-RTG supplies components and complete propulsion sub-systems to large system integrators for various satellite missions including CHAMP, GRACE, SAR-Lupe, En-Map, Sentinel-3, and Formosat-5.

Differentiator

Problem solved

Functional benefit

Products and services

• Piezo Cold Gas Thruster
• Fill and Vent Valve
• Gas Pressure Filter
• Manual Ball Valve
• Ball Latch Valve
• Ti-to-SS Transition Joint
• Hydrazine Propellant Filter

Quantifiable outcome

• CHAMP mission exceeded 5-year design life, operating until 2010 — attributed in part to very low leakage of RTG propulsion system
• +2 more outcomes

Named customers7 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

Feature4 records

Partnerships

Seven partnerships are on record, tiered flagship and core.

• Sener (Consortium Lead)flagshipStrategic or Co-development Partner · 25 March 2026Omnidea-RTG is part of a 17-member consortium led by Sener for the VLEO-DEF project (€15.65 million initiative) to develop Europe's first defence satellite concept for very low Earth orbit operations at altitudes of 250 to 350 kilometres. Funded by five EU member states: Spain, France, Luxembourg, Portugal and Slovenia.
• European Defence AgencycoreStrategic or Co-development PartnerEDA awarded the VLEO-DEF research contract to develop defence satellite concept for VLEO operations. The project addresses technical challenges including atmospheric drag and propulsion requirements.
• Airbus D&S (formerly Dornier Satellitensysteme)coreStrategic or Co-development PartnerLong-standing supplier relationship for CHAMP and GRACE satellite missions. RTG/Omnidea-RTG supplied cold gas propulsion components and performed assembly/integration work.
• OHB GroupcoreStrategic or Co-development PartnerCollaborated on SAR-Lupe German military satellite constellation (5 units) — company's largest space contract. Also collaborated on EnMAP hyperspectral imager mission.
• Thales Alenia SpacecoreStrategic or Co-development PartnerBall Latch Valves qualified according to ESA standards for Sentinel-3 missions. Also supplied components for Göktürk satellites.
• ESA (European Space Agency)coreStrategic or Co-development PartnerESA programs including Sentinel-3 missions and various satellite projects requiring certified propulsion components.
• Omnidea, Lda (Parent Company)coreOthersOmnidea-RTG GmbH is wholly owned (100%) by Omnidea, Lda headquartered in Viseu, Portugal. Omnidea Lda is owned by Portuguese private owners, mainly Mr. Tiago Pardal (95%).

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Marotta Controls: US designer and manufacturer of fluid control systems, valves and regulators for aerospace and defense including space propulsion. Comparable as a precision valves/components supplier serving satellite propulsion applications.
• Sener Aeroespacial: Spanish space systems and mechanisms supplier, currently leading the VLEO-DEF consortium alongside Omnidea-RTG. Comparable as a European mid-sized space hardware supplier with overlapping product categories (mechanisms, propulsion-adjacent components) and joint program exposure.
• Vacco Industries: US-based manufacturer of flight-qualified propulsion valves, filters, and fill/drain components for spacecraft chemical propulsion systems. The most direct US analog to Omnidea-RTG's hydrazine and cold gas component portfolio, supplying similar pieces to comparable primes.
• Bradford Space (Bradford Engineering): Dutch (formerly Swedish) supplier of propulsion subsystems, mechanisms and fluid control components for small satellite platforms. Directly comparable as a European SME supplying integrated chemical propulsion subsystems to commercial and institutional satellite programs.

Broad incumbents

• Beyond Gravity (formerly RUAG Space): Swiss supplier of space structures, mechanisms, thermal and propulsion products to European satellite primes. Adjacent competitor in the broader European space-component supply chain with overlapping customer base (Airbus D&S, OHB, Thales Alenia).
• Aerojet Rocketdyne (L3Harris): US major propulsion manufacturer (now part of L3Harris) supplying both launch and in-space chemical/hybrid propulsion systems. Far larger and broader in scope, but the dominant incumbent player against which Omnidea-RTG-type niche chemical propulsion suppliers compete for prime contractor work.
• Nammo: Norwegian aerospace and defense company with space propulsion activities, including chemical propulsion components and subsystems. Comparable as a European supplier of flight-proven space propulsion hardware serving defense and institutional programs.
• Moog Inc: US-listed precision motion control and fluid systems manufacturer with a substantial space propulsion components business (valves, thrusters, propellant management). Highly comparable in product mix — supplying valves, filters and propulsion subsystems to satellite primes — but operates at vastly larger scale and across non-space markets.

Emerging players

• ThrustMe: French small-satellite propulsion startup offering both electric (iodine Hall-effect, electrospray) and chemical propulsion products. Comparable end-market (small satellite propulsion) but newer to flight heritage; an indicator of where the European propulsion market is shifting (toward electric and green propellants).
• Dawn Aerospace: New Zealand/Dutch small-satellite propulsion company focused on green-propellant chemical and low-toxicity propulsion systems. Targets the same smallsat propulsion niche as Omnidea-RTG but with a green-propellant roadmap that competes for the same European primes.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/omnidea-rtg-gmbh

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

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M&A

Investments

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Frequently asked questions about Omnidea - Rtg Gmbh