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Iron Mountain:6 data center sites in Europe.
As of 30 October 2026, Real Assets tracks 6 data center sites listed under Iron Mountain in Europe: 6 operating and 0 planned or under construction. Reported power capacity: 122 MW operating. It ranks number 7 by sites among 67 named operators, with 2% of the 249 sites tracked. Largest countries: Germany (2), United Kingdom (2), Netherlands (1).
Unlock all 6 Iron Mountain sites6 operating · 0 planned or under construction · #7 operator
- Germany (2)
- United Kingdom (2)
- Netherlands (1)
- Spain (1)
Mapped Iron Mountain footprint in Europe (site-level details require sign-in)
Where Iron Mountain is
Largest operators in Europe
- Equinix64
- Digital Realty43
- Microsoft12
- Iron Mountain6
- Unlock 63 more operators & full table →
Iron Mountain: 6 data centers with their own page
- Iron Mountain AMS-1 (Haarlem)
Haarlem, Netherlands45 MW - Iron Mountain Frankfurt FRA-1
Frankfurt, Germany27 MW - Iron Mountain London LON-2
Slough, United Kingdom27 MW - Iron Mountain Frankfurt FRA-2
Frankfurt, Germany10.6 MW - Iron Mountain London LON-1
Slough, United Kingdom9.1 MW - Iron Mountain Madrid MAD-1
San Fernando de Henares, Spain3 MW
Ranked by reported MW. Capacity is as stated by the publisher; where none is stated it says not recorded.
Iron Mountain: SEC filings, annual reports and disclosed figures
Primary regulatory filings and annual reports on record for Iron Mountain, with disclosed capital expenditure, lease commitments and capacity figures.
- Iron Mountain Incorporated Form 10-K, fiscal year 2025 (10-K · FY 2025 · filed 31 December 2025)
Iron Mountain FY 2025 Form 10-K: Reports 488 MW of operating leasable data center capacity as of December 31, 2025, plus 852 MW under construction or held for development, for a total potential data center portfolio capacity of 1,340 MW.10-K ↗ - Iron Mountain Form 10-Q (2026-08-05) (10-Q · filed 30 June 2026)10-Q ↗
- Iron Mountain Form 10-Q (2026-04-30) (10-Q · filed 31 March 2026)10-Q ↗
- Unlock all Iron Mountain filings and extracted figures →
Full market dataset & site-level records
Unlock all 6 Iron Mountain data center sites in Europe
This page previews Iron Mountain's top footprint. Sign in or start a trial to inspect all 6 individual Iron Mountain facilities, site-by-site capacity, status, and source filings.
- Every individual site on the interactive map with coordinates
- Operating vs. pipeline capacity, operator and owner records
- Sourced M&A, lease and financing transactions
- Direct link to the filing, report or news page behind every figure
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How this data is built
Real Assets reads company pages, filings, news and listings, and records figures with a link to the page that published them.
Counts are sites Real Assets has recorded, not a full census, and grow as coverage grows. Sites are listed with the operator as published (the owner for industrial parks). Data updated 30 October 2026; this page was built on 30 October 2026 at 13:25 UTC, so the live app can show a few more or fewer sites and deals.
Questions
How many data center sites does Iron Mountain have in Europe?
6 tracked as of 30 October 2026: 6 operating and 0 planned or under construction. This is what we have recorded, not a full census.
Where are Iron Mountain's data center sites?
Largest countries by sites: Germany (2), United Kingdom (2), Netherlands (1), Spain (1).
How much power capacity does Iron Mountain have?
Reported power capacity: 122 MW operating.
How does Iron Mountain compare with other data center operators?
It ranks number 7 of the 65 largest named operators by sites tracked. The largest is Equinix with 64.
Where does the data come from?
Figures link to the page that published them. Publishers behind this market's data include Epoch AI, Equinix, Digital Realty, Data Center Dynamics, Vantage Data Centers.
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This page is the summary. The workspace has the full list, the map, the deals and the sources behind each figure.
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