Free top 10 of 15
Important: Employment permits issued to the company in January–September 2026, from the Department of Enterprise, Tourism and Employment public list of permits by company. Past permits do not mean the company is hiring or sponsoring now.
| # | Company | City | Industry | Staff | 1-yr growth | Permits 2026 |
|---|---|---|---|---|---|---|
| 1 | Vertex Roofing Systems | Castlebar | Commercial & Residential Construction | 10-19 | +100–200% | 9 |
| 2 | Ward & Burke Construction | Kilcolgan | Civil Engineering Construction | 500-999 | +20–50% | 1 |
| 3 | GMC Utilities Group | Finglas West | Civil Engineering Construction | 250-499 | +20–50% | 20 |
| 4 | Coolsivna Construction | Galway | Commercial & Residential Construction | 250-499 | +20–50% | 8 |
| 5 | TRIUR Construction | Ballinasloe | Civil Engineering Construction | 100-249 | +20–50% | 7 |
| 6 | Alfa Electrical | Dublin | Commercial & Residential Construction | 100-249 | +20–50% | 8 |
| 7 | Spectrum Engineering | Dublin | Commercial & Residential Construction | 100-249 | +20–50% | 1 |
| 8 | Alpha Mechanical Services | Dublin | Commercial & Residential Construction | 100-249 | +20–50% | 2 |
| 9 | Crown Roofing & Cladding | Commercial & Residential Construction | 50-99 | +20–50% | 1 | |
| 10 | Rockwell Constructions | Macroom | Commercial & Residential Construction | 50-99 | +20–50% | 10 |
Edition October 2026. Source: licensed B2B firmographic and technographic data and public registers (see notes). Company-level only.
What the data shows
- Most common growth band: +20–50% (14 of 15 companies, 93%).
- 1 of 15 (7%) at least doubled headcount in a year.
- Biggest industries: Commercial & Residential Construction (11), Civil Engineering Construction (4).
- Dublin has the most (4 of 15, 27%); the list spans 11 towns and cities.
- Size mix: 5 under 50 staff, 7 with 50–199, 3 with 200+ (median 76 employees).
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CSV + Excel + PDF with website, size, growth and revenue bands and a careers search link for every company.
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Notes and limits
- Employment permits issued to the company in January–September 2026, from the Department of Enterprise, Tourism and Employment public list of permits by company. Past permits do not mean the company is hiring or sponsoring now.
- Source: Department of Enterprise, Tourism and Employment (Ireland), employment permits issued to companies, January–September 2026, enterprise.gov.ie.
- Matched to the register by company name (and province for Canada). A match can occasionally be a different organisation with the same name: check before relying on it.
- 1-year headcount growth from licensed B2B firmographic and technographic data: companies with 10–1,000 staff that grew 20%+ in a year.
- Growth is shown as a band: +20–50%, +50–100%, +100–200% or 200%+ (estimated). Within a band, companies are listed largest first; the order inside a band is not a growth ranking.
- "200%+ (estimated)" means the growth figure is above 200% and has not been verified; treat it as an estimate.
- Likely branches of larger groups, schools, colleges and university units are left out.
- Company-level data only: no personal contacts. Register names are not reproduced; only counts.
Related lists
- Fast-growing IND recognised sponsors in the Netherlands: full list (146 companies)
- Fast-growing IND recognised sponsors in the Netherlands: IT Services (16 companies)
- Fast-growing IND recognised sponsors in the Netherlands: Manufacturing (54 companies)
- Fast-growing IND recognised sponsors in the Netherlands: Software (37 companies)
- Fast-growing Canadian employers with positive LMIAs: full list (90 companies)
- Fast-growing Canadian employers with positive LMIAs: Construction (16 companies)
- Fast-growing Canadian employers with positive LMIAs: Manufacturing (42 companies)
- Fast-growing Irish employers with 2026 employment permits: full list (61 companies)
All: Fast-growing employers with work-permit records: Netherlands, Ireland, Canada · All global lists
FAQ
- What is the work-permit record?
- Employment permits issued to the company in January–September 2026, from the Department of Enterprise, Tourism and Employment public list of permits by company. Past permits do not mean the company is hiring or sponsoring now.
- Who is this for?
- People who need a work permit or visa sponsor and want employers that are both adding staff and have hired from abroad; also relocation, immigration and recruitment firms.
- What do I get for $7?
- All 15 companies with website, city, sector, industry, size band, growth band, revenue band, the register figures and a careers search link, as CSV, Excel and PDF.