cust.co / Compare / Zscaler vs Tenable

Zscaler vs Tenable - NRR head-to-head

Side-by-side Net Revenue Retention comparison sourced from SEC filings and earnings releases. Both compete in Security. Both at Public stage.

Zscaler leads by +10pp on latest NRR (115% vs 105%).

NRR over time

102%109%116%123%130% FY2018-Q3FY-2020FY2023-Q2FY2024-Q1FY2025-Q1FY-2025FY2021-Q3FY2024-Q2 NRR Zscaler Tenable Zscaler - FY2018-Q3: 125% Zscaler - FY-2018: 117% Zscaler - FY-2019: 118% Zscaler - FY2019-Q4: 120% Zscaler - FY-2020: 116% Zscaler - FY2020-Q4: 122% Zscaler - FY-2021: 127% Zscaler - FY-2022: 125% Zscaler - FY2023-Q2: 125% Zscaler - FY2023-Q3: 125% Zscaler - FY2023-Q4: 125% Zscaler - FY-2023: 121% Zscaler - FY2024-Q1: 125% Zscaler - FY2024-Q3: 116% Zscaler - FY-2024: 116% Zscaler - FY2024-Q4: 116% Zscaler - FY2025-Q1: 114% Zscaler - FY2025-Q2: 115% Zscaler - FY2025-Q3: 114% Zscaler - FY2025-Q4: 114% Zscaler - FY-2025: 114% Zscaler - FY2026-Q1: 115% Zscaler - FY2026-Q3: 115% Tenable - FY2019-Q4: 110% Tenable - FY-2020: 110% Tenable - FY2020-Q4: 110% Tenable - FY-2021: 117% Tenable - FY-2022: 117% Tenable - FY-2023: 111% Tenable - FY2024-Q1: 109% Tenable - FY2024-Q3: 108% Tenable - FY-2024: 108% Tenable - FY2024-Q4: 108% Tenable - FY2025-Q1: 108% Tenable - FY2025-Q2: 107% Tenable - FY2025-Q3: 106% Tenable - FY2025-Q4: 108% Tenable - FY-2025: 106% Tenable - FY2026-Q1: 105% Tenable - FY2021-Q2: 110% Tenable - FY2021-Q3: 113% Tenable - FY2022-Q2: 110% Tenable - FY2022-Q3: 118% Tenable - FY2023-Q1: 118% Tenable - FY2024-Q2: 111%

Zscaler hit a higher all-time peak (127% in FY-2021). Over 3 years, Zscaler is down -10pp; Tenable is down -5pp.

Stat-by-stat

Metric Zscaler Tenable
Latest NRR 115% 105%
All-time peak NRR 127% 118%
All-time low NRR 114% 105%
QoQ change +0pp -3pp
YoY change +1pp -2pp
3-year change -10pp -5pp
Disclosures tracked 23 22

Customer cohorts

MetricZscalerTenable
Total customers 9,400 -
Over $100K ARR 4,003 43
Over $1M ARR 748 -
Top-10 concentration - -
Average ACV - -
US revenue mix 56% 53%

Commercial structure

MetricZscalerTenable
Total RPO $6.5B $882M
Current RPO (12mo) $3.0B $648M
Multi-year contracts - -
Avg contract length 48 mo -
Subscription rev mix - 96%
New customers added - 406

Post-sales motion

MetricZscalerTenable
CS team size - -
Customers per CSM - -
Pricing model subscription subscription
Renewal cadence multi-year multi-year
CSM coverage model account-named -
Top customer exec - -

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