Iron Mountain (IRM) Tax Rate (2009 - 2026)
Iron Mountain's Tax Rate came in at 12.24% for Q2 2026, up 72.50 percentage points from -60.26% a year earlier but down 3.15 percentage points from the prior quarter.
Powered by 
Analysis
Iron Mountain (IRM) Tax Rate (2009 - 2026) Analysis & Trends
Over the trailing twelve months to Jun 30, 2026, Iron Mountain reported Tax Rate of 13.83%, down 44.19 percentage points year-over-year; for FY2025, it was 27.91%, up 3.01 percentage points from FY2024.
- Tax Rate has increased in each of the last three years, with a five-year change of +19.96 percentage points (FY2020 to FY2025).
- Going back by year, Tax Rate was 24.89% in FY2024 (+7.31 pp), 17.58% in FY2023 (+6.58 pp), 11.00% in FY2022 (-17.02 pp) and 28.03% in FY2021 (+20.08 pp).
- The five-year range for quarterly Tax Rate is -60.26% (Q2 2025) to 78.83% (Q2 2023).
- Year-over-year, Tax Rate increased in three of the last eight quarters, with an average year-over-year change of -3.05 percentage points.
- The fastest year-over-year change in Tax Rate over five years came in Q3 2025 (a gain of 74.45 percentage points), and the weakest in Q2 2025 (a drop of 88.04 percentage points).
- Business Quant data shows IRM's Tax Rate at 15.40% (Q1 2026), 10.74% (Q4 2025) and 16.14% (Q3 2025) in the three quarters before Q2 2026.
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Tax Rate (Qtr) |
|---|---|---|---|---|---|
| 1 | Accenture | 132.79 Bn | 93.20 Bn | 6.13 Bn | 24.19% |
| 2 | Cintas | 77.24 Bn | 76.43 Bn | 1.48 Bn | 21.20% |
| 3 | Iron Mountain | 33.76 Bn | 33.28 Bn | 1.07 Bn | 12.24% |
| 4 | APi | 17.50 Bn | 14.54 Bn | 703.00 Mn | 28.26% |
| 5 | Aramark | 14.64 Bn | 12.66 Bn | 430.34 Mn | 27.92% |
| 6 | Rollins | 14.51 Bn | 14.06 Bn | 569.95 Mn | 24.16% |
| 7 | UL Solutions | 13.33 Bn | 12.11 Bn | 417.00 Mn | 24.85% |
| 8 | Gartner | 11.67 Bn | 5.36 Bn | 1.19 Bn | 22.31% |
| 9 | Rentokil Initial | 10.08 Bn | 3.42 Bn | - | - |
| 10 | Tetra Tech | 8.48 Bn | 7.59 Bn | 243.21 Mn | 27.17% |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 12.24% |
| Mar 31, 2026 | 15.40% |
| Dec 31, 2025 | 10.74% |
| Sep 30, 2025 | 16.14% |
| Mar 31, 2025 | 47.75% |
| Dec 31, 2024 | 14.93% |
| Jun 30, 2024 | 27.78% |
| Mar 31, 2024 | 17.74% |
| Dec 31, 2023 | 23.60% |
| Sep 30, 2023 | 9.78% |
| Jun 30, 2023 | 78.83% |
| Mar 31, 2023 | 20.36% |
| Dec 31, 2022 | 12.16% |
| Sep 30, 2022 | 11.04% |
| Jun 30, 2022 | 8.22% |
| Mar 31, 2022 | 19.46% |
| Dec 31, 2021 | 27.42% |
| Sep 30, 2021 | 29.15% |
| Jun 30, 2021 | 28.54% |
| Mar 31, 2021 | 23.89% |
API Access
Iron Mountain Tax Rate API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=tax-rate&ticker=IRM&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "ticker": "IRM", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=tax-rate&ticker=IRM&period=max&api_key=YOUR_API_KEY");
const data = await res.json();