Five emerging companies are to create 105 jobs in projects supported by IDA Ireland.

The positions will be located in Dublin, Limerick and Letterkenny.

Zendesk, a provider of web-based customer support software, is to set up its finance and development centre in Dublin, creating 30 jobs over two years.

ExtenSys is an information technology company that solves internet traffic issues and it is setting up a sales and technical support office in Limerick, creating 25 jobs.

Consero provides business intelligence to senior executives and it plans to set up its European headquarters in Dublin, with the creation of 20 jobs over three years.

Cloud computing firm KeyedIn Solutions is setting up a European software development, sales, marketing and technical support centre in Letterkenny, Co Donegal, which will generate 20 jobs.

Optical design firm Dita Inc is expanding its Europe, Middle East and Africa headquarters and distribution centre in Dublin, with the creation of ten positions.

The firms have been described as "fast growing and emerging".

Minister for Jobs, Enterprise and Innovation Richard Bruton said the companies will establish deep roots in Ireland and make a substantial impact on its economy.

He said: "Today’s announcement that five high-growth emerging companies are locating operations here is great news for Ireland.

"We in Government are determined to build on this to ensure that we can continue to see the flow of multinational investment to Ireland and help create the growth and jobs we need."

IDA Ireland's Chief Executive Barry O'Leary said: "This week will see a huge number of executives from emerging companies visiting Ireland for the F.ounders conference.

"We will be working with these executives to encourage them to use Ireland as a base to expand their businesses."