53. Dialogic

Dialogic Distribution Limited is a wholly owned subsidiary of Dialogic Corporation. The company is engaged in the manufacture, sale and distribution of connectivity products for PC and local area networks. It is also a provider of multimedia and signaling technology and...

52. Publicis QMP

Publicis QMP is an advertising and marketing company based at Sir John Rogerson Quay in Dublin. Publicis QMP is affiliated to the French multinational communications giant Publicis Groupe, the third largest marketing group in the world. Other Irish affiliates include P...

51. Wireless Radio

Wireless Group is a UK and Irish media company, which is wholly owned by News Corp UK and Ireland Limited. The group operates 23 leading radio brands across the UK and Ireland. These include market leading stations embedded in their local communities as well as popul...

50. Logicalis

Logicalis is an international managed services and IT solutions provider with over 6,500 employees worldwide. Logicalis has had successful operations in Dublin and Cork for over 25 years. Employees are highly-trained service specialists who design, specify, deploy and...

49. Rigney Dolphin

Rigney Dolphin is an Irish family-owned outsource service provider established in 1990. The company offers a variety of bespoke services including contact centre solutions, customer relationship management, HR and recruitment services and contact centre consultancy se...

48. Moduslink

Moduslink is a supply-chain solutions company. It designs and executes global value chain strategies to solve clients’ cost, time-to-market, customer satisfaction and revenue objectives.

47. Verizon Ireland

Verizon is a global group specialising in communications, IT solutions, information and entertainment services. The group is headquartered in Basking Ridge, New Jersey, and employs more than 100,000 people. Its Irish operation provides telecommunication services and...

46. IMRO

IMRO is the body that administers the performing right in copyright music in Ireland on behalf of its members, typically songwriters, composers and music publishers. Music users such as broadcasters, venues and businesses must pay for their use of copyright music by...

45. Obelisk International Group Holdings

Obelisk International Group is involved in property development, renewable energy and the provision of services to the telecommunications industry.

44. Acra Control

Acra Control is a supplier of airborne data acquisition networks and recording systems, and real-time data processing ground stations to both commercial and defence aerospace markets. Its customers include all of the major aerospace prime contractors and test agencies...

43. Imagine Communications

Imagine Communications provides telecommunications services to corporate and residential customers. The company is probably best known in Ireland for its WiMax or Worldwide Interoperability for Microwave Access product, a 4G wireless technology giving consumers home ...

42. Concentrix

Concentrix (the Irish operations of which were previously known as Stream Ireland) was acquired by Synnex and merged with its Concentrix subsidiary in 2018. Concentrix offers sales, customer care and technical support to its customers. It has a global network of appr...

41. Premiere Conferencing

PGi provides teleconferencing and web-related communications solutions using video, web and audio conferencing enhanced with social networking and media sharing. Established in 1991, PGi now has a presence in 25 countries worldwide. The group's headquarters are i...

40. Bauer Media Audio

Communicorp is a media company comprising commercial media brands including radio stations Newstalk, 98FM, Today FM and Spin in Ireland. Founded by Denis O'Brien, it employs more than 1,000 people across four countries and is headquartered in Dublin. The company mai...

39. Virgin Media One

Virgin Media One is a commercial free-to-air television channel available within the Republic of Ireland. Owned by Virgin Media Ireland, it is operated through its subsidiary Virgin Media Television. The channel launched on 20 September 1998, becoming Ireland's first co...

38. Cineflix

The principal activity of the Cineflix International Media Limited is the distribution of non-fiction programmes, principally produced by the company's parent. Cineflix Rights distributes content from international producers, new producers and from its own produc...

37. Openet

Openet is a software company based and founded in Dublin. It provides service optimisation software to communication and media service providers worldwide. Openet works with telecommunications companies such as Vodafone, Orange, AT&T, and Verizon. It has its head...

36. Abtran

Abtran is one of the largest indigenous business process outsourcer (BPO) in the Irish market. It provides customer management solutions to the public and private sectors. In 2019, a consortium led by the original Abtran founders bought back the majority stake in the...

35. Mindshare

Mindshare Media Ireland Limited is the Irish subsidiary of global media group, Mindshare, which is ultimately owned by global media giant WPP. Mindshare Media Ireland Limited is 50 per cent owned by DDFH&B and 50 per cent owned by Ogilvy & Mather Limited. In Irela...

34. Leaseplan Information Services

LeasePlan Information Services provides centralised information communication technology and infrastructure services within the LeasePlan group. It was established in Dublin in 2003. LeasePlan is a global vehicle leasing and fleet and vehicle management company headq...