B
Evidence Grade B
Graded
under review
Safe to Cite
Current
30%
30% -- support cost reduction for tiered customer service models (2026)
Attribution:
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Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
30%
Unit
Percentage
Data Vintage
2026
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
35
Freshness
95
Source
McKinsey
Primary
Tier C
https://atidiv.com/build-an-tiered-support-structure/ ↗
Source Article
Understanding the Tiered Support Model
Original Research
McKinsey
· Original study ↗
Methodology
McKinsey estimate cited secondhand
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
tiered customer service models: 30% support cost reduction. Source: McKinsey (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/tiered-support-cost-reduction-mckinsey
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<blockquote cite="https://lighthousedata.io/data/tiered-support-cost-reduction-mckinsey" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>30%</strong> -- support cost reduction for tiered customer service models<br><small>Source: McKinsey (2026) · <a href="https://lighthousedata.io/data/tiered-support-cost-reduction-mckinsey" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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