Collen
collen.com
Collen is a family-owned construction contractor established in 1810 that operates in Ireland, the UK, and Europe. The business delivers projects across sectors including energy, data centres, healthcare, education, life sciences, and commercial fit-outs. It also provides a graduate programme and manages public works and residential developments.
Contact details
- Social profiles
Published on collen.com.
At a glance
- Category
- Construction & Trades
- CRO number
- 270069
- First observed in Common Crawl
- 2026 crawl 08
- Pages observed (2026 crawl 30)
- 61
- Hosts observed
- 1
- Detected technologies
- nextjs
- Rank in Ireland
- #15,170 of 34,089
- Rank in Construction & Trades
- #296 of 1,633
Ranking over the past year
Where collen.com placed each month, against every Irish website listed here or against the sites it is listed with. A site can hold its own visitors and still slip, if the sites around it grew faster.
Down 2,816 places in Ireland since September 2025, now 15,170th of 34,089 Irish websites.
- collen.com
- sisk.com 4,809th
- cunninghamcontracts.com 23,701st
- johnpaul.ie 4,374th
- walls.ie 4,464th
Other construction & trades sites that describe a business like this one, ranked near collen.com.
Down 93 places in construction & trades since September 2025, now 296th of 1,633 construction & trades websites.
- collen.com
- sisk.com 39th
- cunninghamcontracts.com 667th
- johnpaul.ie 28th
- walls.ie 30th
Other construction & trades sites that describe a business like this one, ranked near collen.com.
The ranking is recalculated for every month we hold, so a position reflects the site and its peers as they stood that month. How the ranking works.
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Biosoft Powerwash
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Explore
Assembled automatically from pages published on collen.com, last read 10 July 2026. details.ie does not verify the information.