More than 300 jobs are to be created in Ireland in software development, online security, internet and digital media as nine North American and European based firms expand their businesses.

The jobs, which will be located in Dublin, Cork and Limerick are in high growth firms.

The bulk of the jobs are coming from Adroll, which is setting up its European headquarters in Dublin. The company will create a total of 100 jobs by the end of next year, supporting its business in more than 12 countries.

The company, which offers an online targeted advertising platform, helps businesses collect data on purchase behaviour and target marketing based on it.

Fifteen people are currently employed by the company in Ireland, with the remainder of the jobs expected to be filled by the end of 2014.

"Adroll's mission is about bringing sophisticated advertising technology to a broad audience. That means needing a big team," said company president Adam Berke.

A further 50 jobs will be created at Nitro, which provides document productivity and workflow solutions, when it establishes it European, Middle East and Africa headquarters in Dublin. The Dublin office will support its international business with sales and customer service, engineering and marketing.

Thirty jobs are being created at cloud company Zendesk's development centre in Dublin, doubling its current workfrce, while legal software company Clio will also create 30 jobs in the city with the establishment of its European headquarters in Ireland.

A further 25 jobs will come as Pearl Street Enterprises sets up its worldwide headquarters in Dublin, and domain name provider Minds and Machine is also setting up shop here, locating its core technical operations in Dublin city. That will bring another 25 jobs to Dublin.

Aviation services software company Aerdata will bring 15 jobs to Dublin.

Outside the capital, quality and compliance management, software provider ETQ is creating 30 jobs at its new EMEA headquarters in Limerick, aimed at those with computer science qualifications and technical sales capabilities.

In Cork, disaster recovery specialist Storagecraft is setting up its international headquarters, with 30 jobs for IT support, marketing and human resources.

The announcement of the new jobs was made by Taoiseach Enda Kenny.

“Ireland remains one of the most exciting places in the world for new digital enterprises,” he said.