4iG Space & Defence Technologies Plc. is a Hungarian company focusing on the space and defense sectors, aiming to be a leading technology and service provider. They are involved in satellite development, manufacturing, and operation, including the HUSAT program with plans to launch a constellation of Earth observation satellites. 4iG is constructing the REMTECH space center for satellite manufacturing, assembly, integration, and testing. The company has partnered with companies such as Axiom Space and CPI Vertex Antennentechnik.
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The HULEO satellites are slated for domestic manufacturing at 4iG’s technology center in Hungary.
4iG announced a framework agreement with L3Harris Technologies for the integration of HIMARS rocket systems onto Hungarian-made Tatra trucks.
4iG announced framework agreements with Apex Technology to establish a European joint venture for scalable small-satellite production.
4iG Space and Defence Technologies signed a multi-hundred million dollar agreement with Northrop Grumman on April 7, 2026, to develop Hungary’s first geostationary communications satellite.
4iG and Northrop Grumman amended their Memorandum of Understanding to include joint development in counter-unmanned aerial systems, advanced weaponry, and precision guidance systems.
The HUSAT Hungarian satellite program, announced in 2024, will also include an eight-satellite Earth observation constellation built by 4iG Space and Defense Technologies.
4iG Space and Defense Technologies has signed an agreement with L3Harris to collaborate on digitalization and the industrial integration of the HIMARS rocket launcher system in Hungary.
4iG Space and Defense Technologies has signed a deal with Northrop Grumman to develop Hungary’s first communications satellite.
4iG Space and Defense Technologies has signed an agreement with Apex Technology to establish a joint venture for small satellite manufacturing capacity in Europe.
Hungary’s 4iG Group committed $100 million tied explicitly to Axiom Space’s orbital data center program.
4iG Group previously committed $100 million to Axiom Space with completion scheduled by March 31, 2026.
Axiom Space’s February 2026 financing round included participation from Hungary’s 4iG Group, 1789 Capital, LuminArx Capital, and a personal investment from Axiom founder Kam Ghaffarian.
4iG Group has linked its $100 million commitment to strategic interest in Axiom Space’s orbital data center program.
1789 Capital, 4iG, and LuminArx Capital Management participated in Axiom Space’s $350 million financing round.
The February 12 financing round for Axiom Space included participation from 1789 Capital, 4iG, LuminArx Capital Management, and founder Kam Ghaffarian.
István Sárhegyi is the CEO of 4iG Space and Defence.
Axiom Space’s funding round included 1789 Capital, 4iG, LuminArx Capital Management, and other investors.
4iG Space and Defence finalized an agreement with Axiom Space to invest $100 million, to be completed by March 31.
Axiom Space’s $350 million funding round included participation from 1789 Capital, 4iG, LuminArx Capital Management, and other investors.
4iG Space and Defence intends to join Axiom Space’s orbital data center program.