Splunk provides security and observability software for IT operations.
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Splunk's most recent published emissions inventory covers FY22 (February 2021 to January 2022): Scope 1 374 tCO2e, Scope 2 2,437 tCO2e (market-based) and Scope 3 7,570 tCO2e, with an external assurance statement. SBTi lists Splunk's commitment as removed (expired commitment). No standalone Splunk sustainability report has been published since Cisco completed the acquisition in March 2024. No controversies were found.
Splunk scores 45/100 (Below expectations) on SINK's independent climate assessment, scored from public data only. Fees pay for the review, never the result. Last verified October 2026.
That places Splunk joint 258th of 847 companies scored, and joint 30th of 76 in SaaS / Digital Services.
Where Splunk sits among saas / digital services peers.
Among the 76 major saas / digital services brands we've scored, Splunk is tied =30th of 76, with 1 other.
Its three lowest-scoring questions, and what the evidence didn't show.
No RE100 membership, PPA or renewable electricity percentage disclosed.
No biodiversity, deforestation or TNFD disclosure found.
Only quantified waste figure: Scope 3 Category 5 (operations waste) 4 tCO2e in FY22, up from 0 in FY21.
A score changes when the evidence does. We use new published evidence at the next rescore. Evidence that isn't public can count through an evidence review.
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Get in touch →Strongest on Controversies & Red Flags and Carbon Footprint — Operations (7/10, 6/10). Weakest on Energy Source and Nature & Biodiversity Impact (2/10, 2/10).
The 3 companies in the sector scoring nearest above Splunk.
Oracle reports comprehensive Scope 1 & 2 emissions with third-party assurance, but absolute emissions haven't declined despite growth claims.
See the breakdown →Meta matches its electricity with renewable power purchases, but its location-based Scope 2 has risen nearly 150% since 2019 and it left RE100 in 2026 over new gas power for AI data centres.
See the breakdown →Splunk's score has been reviewed 2 times and currently stands where it started, at 45.
Bio correction (no score change): founded unset -> 2003. Source: Splunk FY2023 Form 10-K: 'We were incorporated in California in October 2003 and were reincorporated in Delaware in May 2006'
Initial public score 45 (publish-draft)
The formula and all 10 sources.
Same ten questions for every company. No private weighting.
SINK = (0.3 × Base + 0.7 × Performance) × Scale10 sources used in this assessment. All publicly available. Each row shows which of the ten questions it informed.
“Scope 2: 2,437 tCO2e (Market-Based)”
“Splunk's GHG inventory follows the Greenhouse Gas Protocol's Corporate Accounting and Reporting Standard.”
“Cisco Systems Inc. today completed its $28 billion purchase of Splunk, the largest acquisition in the networking giant’s four-decade history.”
“today announced it completed the acquisition of Splunk”
“As of January 31, 2023, we employed nearly 8,000 employees”
“Splunk Inc.”
“fail to submit their targets for validation within 24 months will have their commitments marked as ‘Removed’”
“commitment to set a suite of shorter-term five, ten, and fifteen year science-based targets by the end of fiscal year 2023”
“Splunk was awarded an EcoVadis Bronze medal in 2023 following an annual assessment”
If you believe a source has been misread or a newer version exists, submit a challenge.
Splunk provides security and observability software for IT operations. It was founded in 2003 and is headquartered in San Francisco. Cisco completed its $28 billion acquisition of Splunk in March 2024; Splunk has been part of Cisco since then and is no longer publicly traded. The financial figures shown are for fiscal year 2023 (year ended 31 January 2023), Splunk's last annual report as a standalone public company.
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