What are the biggest business sectors in County Mayo?

The largest single business category in County Mayo on the CRO register is specialist trades. You can browse the full sector breakdown for the county or jump straight to specialist trades via the sector links on this page.

How do I check if a company in County Mayo is currently active?

Click any of the County Mayo companies listed below to see its registered office, current CRO status, and incorporation history. Every entry is sourced directly from the Irish Companies Registration Office open data feed and refreshed weekly.

Companies in Mayo

5,916 companies are registered with the Irish Companies Registration Office at addresses in County Mayo. Browse by sector below or scroll the alphabetical listing.

Browse by sector

Companies

ROCKET SURGERY PRODUCTIONS DESIGNATED ACTIVITY COMPANY

CRO 657757 ● Active

Film Production · Mayo

Rocket Surgery Productions Designated Activity Company is a business registered in Ireland with CRO number 657757.

EFNCP (IRELAND)

CRO 657440 ● Active

Creative Services · Mayo

EFNCP (IRELAND) is a company registered in Ireland with CRO number 657440.

SOM FISHERIES LIMITED

CRO 657363 ● Active

Fishing · Mayo

SOM FISHERIES LIMITED is a company registered in Ireland with CRO number 657363.

SAINT HELENAS BAR LIMITED

CRO 657316 ● Active

Pubs and bars · Mayo

SAINT HELENAS BAR LIMITED is a company registered in Ireland with CRO number 657316.

DOWD MEDIA LIMITED

CRO 657245 ● Active

Broadcasting · Mayo

Dowd Media Limited is a video and sound production company based in Westport, County Mayo, Ireland.

GREALIS CONSULTANCY LIMITED

CRO 657241 ● Active

Personal Services · Mayo

Grealis Consultancy Limited is a consultancy firm registered in Ireland with CRO number 657241.

BARLEYHILL CONSULTING LIMITED

CRO 657161 ● Active

Business consultants · Mayo

Barleyhill Consulting Limited is a company registered in Ireland with CRO number 657161.

OIDEACHAS SDL LIMITED

CRO 656885 ● Active

Education · Mayo

OIDEACHAS SDL LIMITED is a company registered in Ireland with CRO number 656885.

TREVOR MCDONNELL KITCHENS LIMITED

CRO 656760 ● Active

Furniture · Mayo

Trevor McDonnell Kitchens Limited is a bespoke kitchen manufacturer based in Swinford, County Mayo, Ireland.

HIGHLAND TERRACE PHOTOGRAPHY LIMITED

CRO 656644 ● Active

Creative Services · Mayo

HIGHLAND TERRACE PHOTOGRAPHY LIMITED is a photography business registered in Ireland with CRO number 656644.

ARDBOLEY CARPENTRY LIMITED

CRO 656574 ● Active

Specialist Trades · Mayo

Ardboley Carpentry Limited is a company registered in Ireland with CRO number 656574.

BRICKENS TREATMENT WORKS MANAGEMENT COMPANY LIMITED BY GUARANTEE

CRO 656433 ● Active

Creative Services · Mayo

Brickens Treatment Works Management Company Limited by Guarantee is a company registered in Ireland with CRO number 656433.

GARRY CATERING LIMITED

CRO 656370 ● Active

Restaurants · Mayo

Garry Catering Limited is a company registered in Ireland with CRO number 656370.

BEDROCK CAPITAL LIMITED

CRO 656359 ● Active

Real Estate · Mayo

Bedrock Capital Limited is a consultancy firm based in Ireland, providing business development and operational support to private equity, venture capital, and real estate fund managers.

G.A. DILLON ENGINEERING SERVICES LIMITED

CRO 656279 ● Active

Architects Engineers · Mayo

G.A.

MACNEIL SHELLFISH LIMITED

CRO 656186 ● Active

Retail shops · Mayo

MacNeil Shellfish Limited is a company based in Ireland with CRO number 656186.

NOEL HOWLEY WAREHOUSING LIMITED

CRO 656023 ● Active

Personal Services · Mayo

Noel Howley Warehousing Limited is a warehousing company registered in Ireland with CRO number 656023.

KOLLECTIV STUDIO LIMITED

CRO 655860 ● Active

Creative Services · Mayo

KOLLECTIV STUDIO LIMITED is a company registered in Ireland with CRO number 655860.

ESI GREEN ENERGY IRELAND LIMITED

CRO 655836 ● Active

Architects Engineers · Mayo

ESI Green Energy Ireland Limited is a company registered in Ireland with CRO number 655836.

E.C.S.C. INSULATION SERVICES LIMITED

CRO 655788 ● Active

Specialist Trades · Mayo

E.C.S.C.

SHORT CLIFF DEVELOPMENTS LIMITED

CRO 655775 ● Active

Architects Engineers · Mayo

Short Cliff Developments Limited is a company registered in Ireland with CRO number 655775.

MEECH LAKE LIMITED

CRO 655772 ● Active

Banks · Mayo

Meech Lake Limited is a company registered in Ireland with CRO number 655772.

VISIT CASTLEBAR TOURISM COMPANY LIMITED BY GUARANTEE

CRO 655535 ● Active

Membership organisations · Mayo

Visit Castlebar Tourism Company Limited by Guarantee is a tourism-focused business registered in Ireland with CRO number 655535.

CARROWGARVE CONSTRUCTION LIMITED

CRO 655524 ● Active

Construction companies · Mayo

Carrowgave Construction Limited is a company registered in Ireland with CRO number 655524.

Explore related

Frequently asked

How many companies are registered in County Mayo?: 5,916 active companies are registered with the Irish Companies Registration Office at addresses in County Mayo, according to the latest CRO open data feed.
What are the biggest business sectors in County Mayo?: The largest single business category in County Mayo on the CRO register is specialist trades. You can browse the full sector breakdown for the county or jump straight to specialist trades via the sector links on this page.
How do I check if a company in County Mayo is currently active?: Click any of the County Mayo companies listed below to see its registered office, current CRO status, and incorporation history. Every entry is sourced directly from the Irish Companies Registration Office open data feed and refreshed weekly.