Data from the official company registers of 12 countries. Not an official register.

English

Companies in Mayo

CountyMaigh Eo
Live companies6,256registered office in Mayo
New, past 12 months4697.5% of live companies
Median age8 yrsof live companies
In liquidation or administration1031.6%
Oldest still active1934incorporated 14 Aug 1934

When they were founded

Live companies by year of incorporation, past 15 years.

02004006008002011: 11420112012: 1032013: 14020132014: 1502015: 22920152016: 2392017: 25120172018: 2782019: 24720192020: 2942021: 30320212022: 3382023: 40920232024: 4142025: 44020252026: 372

Towns in Mayo

Live companies by town.

Most common activities

Main activity of live companies in Mayo, excluding dormant and non-trading.

ActivityCompaniesCount
Activities of holding companies 64.20
305
Business and other management consultancy activities 70.22
203
Construction of residential and non-residential buildings 41.20
155
Restaurants and mobile food service activities 56.10
136
Engineering activities and related technical consultancy 71.12
133
Other specialised construction activities n.e.c. 43.99
116
Other professional, scientific and technical activities n.e.c. 74.90
109
Development of building projects 41.10
82
Other human health activities 86.90
63
Beverage serving activities 56.30
60
Other personal service activities n.e.c. 96.09
57
Electrical installation 43.21
53

Oldest companies in Mayo

Earliest incorporations still live. Open a town for the full list.

CompanyActivityIncorporated
The Connacht Cosiwear Company Limited
8761
—14 Aug 1934
ST. Muredach's Trust
10115
—18 Feb 1941
Charles Hughes, Limited
10266
—23 Dec 1941
Joseph Murphy (Ballina) Limited
10427
—21 Oct 1942
P. J. Kelly Limited
10641
—18 Aug 1943
Forde's Limited
11521
—14 Jun 1946
Willers & Sons Limited
11755
—14 Jan 1947
Cosiwear Foundations Limited
12043
—8 Sept 1947
Cummins & Son Limited
13371
—24 May 1950
Overoad Limited
13575
—25 Oct 1950
Atlantic Fishing Products Limited
13713
—24 Feb 1951
Kelly and Sons (Builders) Limited
13976
—6 Sept 1951