International Business Machines Corporation

◌ Pending Review

💻 Consulting / Professional ServicesUSMaking progress

~270,000 employees~$62.8B revenue265Kt CO₂e totalRanked #14 of 322Website ↗

International Business Machines Corporation is a consulting / professional services company headquartered in US with total reported emissions of 265Kt CO₂e per year. Based on our 10-question rubric, International Business Machines Corporation scores 56/100 — rated as making progress on sustainability but with room to improve.

SINK Score Breakdown

How we calculated International Business Machines Corporation's score using our formula: (0.3 × Base + 0.7 × Performance) × Scale Penalty

Base Impact

Consulting / Professional Services industry ceiling

Performance

56/100

10 questions scored below

Scale Penalty

0.95x

emissions volume multiplier

SINK Score

(0.3 × 65 + 0.7 × 56) × 0.95 = 56

Emissions Breakdown

Total

265Kt

CO₂e per year

10-Question Rubric Breakdown

Click any question to see the reasoning, sources and community challenges.

8/10

Carbon Footprint — Operations

4/10

Carbon Footprint — Supply Chain

7/10

Emissions Trajectory

7/10

Energy Source

4/10

Nature & Biodiversity Impact

6/10

Resource Use & Waste

5/10

Water Impact

5/10

Targets & Commitments

6/10

Transparency & Accountability

Q10

5/10

Controversies & Red Flags

Community Verification

0 verifications · 0 challenges · Scored using SINK editorial review

Last scored: 4 Apr 2026

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