Builders ยท 2026

John Sisk & Son Holding Ltd.

John Sisk & Son Holding Ltd. is the named builder on 23 project starts in 2026 so far, ranking #7 of 2,766 companies. Busiest in Dublin (11), Limerick (5), Cork (2).

Registered company JOHN SISK & SON (HOLDINGS) LIMITEDCompany no. 241278Last accounts filed year to 31 December 2025

23project starts in 2026
6counties
#7busiest company

Project starts by year

See all 23 sites on a map. Log in or create a free account for John Sisk & Son Holding Ltd.'s sites, start dates, project descriptions, floor areas, planning references and activity by month.
Create a free accountLog in

Where they are working

  • Dublin11
  • Limerick5
  • Cork2
  • Laois2
  • Meath2
  • Kerry1

Counted from project starts naming John Sisk & Son Holding Ltd. as builder, by start date. One project can start in several phases (fit-outs, substations and so on). A start shows work beginning; it does not mean contracts are still open.

Company details from Companies Registration Office open data (CC BY 4.0), checked 26 September 2026.