Some 206 new jobs have been created across seven high growth companies in Dublin, Kildare, Sligo and Cork, the IDA has said.
The new jobs will be spread across the technology and business service sectors with a range of activities such as sales and marketing, software development and tech support.
Martin Shanahan, chief executive with the IDA, said that he particularly welcomed "the locational spread of these investments which shows that the technology offering, availability of talent and attractive work life balance in the regions resonates with overseas investors".
Eliatra, an IT services and solutions company that is focused on big data, will create 15 jobs over the next three years at its new product development and European HQ in Sligo.
Hellios, a UK headquartered supplier information and risk management solution company is establishing a software development centre in Dublin which will create 24 new developer roles.
Dublin is also home to Nulia, a US digital training company, which is ramping up its Dublin team by hiring 40 additional employees.
ProSearch, a provider of comprehensive discovery solutions to corporate legal departments and law firms, is to create 45 new roles in Ireland over the next three years.
Moz, a provider of search engine optimisation technology, has established a customer success team in Cork, which will create up to 10 jobs initially for customer support executives and account managers.
In Kildare, Simple But Needed (SBN), a US developer of comprehensive safety and risk management software systems, will employ 20 people over three years in the areas of sales, product support, customer success and engineering sales personnel.
Finally, National Technologies, US company that provides fibre optic and data centre installation services, has opened an EMEA HQ in Park West, Dublin, which will create 52 jobs over the next three years.