The phrase "a network of institutions" is correct and usable in written English.
It can be used to describe a system or group of interconnected organizations or entities that work together for a common purpose.
Example: "The research project was supported by a network of institutions dedicated to advancing scientific knowledge."
Alternatives: "a system of organizations" or "an alliance of entities".
"In the case of Hezbollah, this process takes the form of a network of institutions, hospitals, schools, higher education institutes, religious seminaries, social services and publishing.
Directors say the idea is to create a network of institutions that enhance one another rather than detract.
Pétain's regime wanted to protect French cinema against a Hollywood invasion and created a network of institutions and financial support mechanisms to that purpose.
gus is a network of institutions, affiliates and partners that offer globally-respected courses and qualifications to students from all corners of the world.
The charges involved the rape and sexual abuse of 32 children who were residents of the home in Lisbon, part of a network of institutions for children called Casa Pia.
Legacies hark back to an era when the elite university belonged to a network of institutions (the prep school, the military, the Episcopal Church) devoted to the intergenerational transfer of the manly virtues -- stoicism, sacrifice, loyalty, a tight spiral on the forward pass.
Germany has a network of public institutions that help companies recombine and improve ideas.
For two decades, the ruling United Malays National Organization (UMNO) government invested enormous public resources in building up a network of Islamic institutions.
Despite its isolation, North Korea relies on ties to a network of financial institutions beyond its borders, mostly in China.
But another way to describe the deep state is as a network of government institutions staffed by devoted public servants.
But his partnership with Mr. Chambers came apart in 1986, as Mr. Simon turned to building a network of financial institutions on the West Coast and across the Pacific.
