ITSM platform vendor selection

Decision Studio, AI-assisted group decisions (AHP)

Ranking

Group method

1	Vendor Beta	0.796
2	Vendor Gamma	0.792
3	Vendor Delta	0.700
4	Vendor Alpha	0.574

Robustness: Vendor Beta stays first unless the weight of Data residency & compliance rises above 34.1% (currently 32.7%); Vendor Gamma would then lead.

Criteria weights and disagreement

Group consistency ratio 0.001

	Group	IT Director	Procurement Manager	Cybersecurity Lead	Spread (SD)
Data residency & compliance	32.7%	31.3%	18.3%	48.3%	12.3%
Functional fit	23.2%	31.3%	18.3%	12.5%	7.9%
Implementation risk	18.5%	17.6%	14.9%	19.7%	2.0%
3-year total cost	14.9%	9.9%	37.3%	10.1%	12.9%
Local support & presence	10.7%	9.9%	11.2%	9.4%	0.8%

Highlighted: the member furthest from the group on criteria with notable disagreement.

What would change the winner

	Current weight	Leader changes below	Leader changes above
Functional fit	23.2%	20.7% → Vendor Gamma	55.5% → Vendor Delta
3-year total cost	14.9%	13.2% → Vendor Gamma	45.8% → Vendor Delta
Implementation risk	18.5%	12.9% → Vendor Gamma	never
Local support & presence	10.7%	never	16.2% → Vendor Gamma
Data residency & compliance	32.7%	never	34.1% → Vendor Gamma

Open issues before sign-off

Unconfirmed value for Vendor Delta on 3-year total cost