Builder · 2026

John Sisk & Son Holding Ltd.

John Sisk & Son Holding Ltd. is the named builder on 25 project starts in 2026 so far, ranking #7 of 2,859 companies. Busiest in Dublin (12), Limerick (6), Cork (2).

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

project starts in 202625

counties6

busiest company#7

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25 sites in 2026, newest first

Where John Sisk & Son Holding Ltd. is building

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• Co. LimerickNew building · Work started
  2026
• Belfield, Co. DublinNew building · Work started
  2026
• Co. LimerickExtension · Work started
  2026
• Co. DublinMaterial alteration · Work started
  2026
• Co. LimerickNew building · Work started
  2026
• Co. CorkNew building, Material alteration · Work started
  2026
• Co. LimerickMaterial alteration · Work started
  2026
• Co. DublinNew building · Work started
  2026
• Co. DublinMaterial alteration, Change of use · Work started
  2026
• Co. DublinMaterial alteration · Completion certificate 1 Oct 2026
  2026
• Co. DublinExtension, Material alteration · Work started
  2026
• Co. DublinNew building · Work started
  2026
• Tralee, Co. KerryNew building · Work started
  2026
• Navan, Co. MeathExtension · Work started
  2026
• Terrysland, Co. CorkMaterial alteration · Completion certificate 31 Jul 2026
  2026
• Co. DublinNew building · Work started
  2026
• Lucan, Co. DublinMaterial alteration · Work started
  2026
• Co. DublinMaterial alteration · Work started
  2026
• Co. DublinMaterial alteration · Work started
  2026
• Navan, Co. MeathNew building · Work started
  2026
• Portlaoise, Co. LaoisMaterial alteration · Work started
  2026
• Portlaoise, Co. LaoisMaterial alteration · Work started
  2026
• Co. LimerickNew building · Work started
  2026
• Co. LimerickExtension, Material alteration, Change of use · Work started
  2026
• Co. DublinExtension, Material alteration · Work started
  2026

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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.