In third-party risk management (TPRM), organizations must address three key types of concentration risk: vendor, geographic and service.
Ever struggle to concentrate on mundane tasks after a long day sifting through 100+ emails? Now scale that to the daily oversight of a vendor portfolio of 1,000+. Overwhelming? Absolutely.
TPRM practitioners know it’s a non-stop game of cat and mouse, but managing concentration risk can slow down this so-called game and allow your program to hone-in on what matters most.
TPRM protects operations, data, and reputation whenever you rely on outside vendors. Concentration risk crops up when too much dependence accumulates around a single provider, location, or service line.
This turns routine incidents into enterprise problems. As organizations lean harder on cloud, software, and specialized services, concentration risk now touches operational, compliance, reputational, and cybersecurity exposure across organizations of all sizes.
The Three Faces of Concentration Risk and Real-World Examples
1) Vendor Concentration – Over-reliance on one provider increases single-point-of-failure risk.
- One cloud for everything (AWS or Azure or GCP).
- One law firm for all jurisdictions.
- One supplier for a critical component (e.g., lithium for EV batteries).
2) Geographic Concentration – Vendors and operations clustered in one region magnify exposure to natural disasters, conflict, or political shifts.
- All customer support in the Philippines (typhoons, unrest).
- Data centers concentrated in a single corridor (e.g., Northern Virginia; flood/fire risk elsewhere).
- IT services centralized in one geopolitical hotspot.
3) Service Concentration – Multiple critical functions sourced from the same provider create “blast radius” risk.
- One vendor for both payroll and benefits.
- A single partner managing cybersecurity, compliance, and privacy.
- One logistics firm for warehousing, shipping, and returns.
How to Quickly Spot It Fast
- Heatmap your vendors by criticality × data sensitivity × substitutability.
- Stack-rank exposure: % of spend, % of transactions, or % of critical processes tied to one vendor/region/service.
- Map fourth parties (where practical) to see hidden clusters.
How to Reduce It… Without Inflating Costs
- Segment and diversify: a primary + secondary model for crown-jewel services.
- Contract for resilience: exit rights, data portability, RTO/RPO targets, tested failover.
- Architect for portability: multi-AZ/region designs; avoid hard platform lock-in; standardize interfaces.
- Stagger dependencies: separate hosting from security monitoring, payroll from benefits, warehousing from shipping.
- Run scenarios: “If Vendor X is down for 72 hours, what breaks? What’s plan B?”
- Measure & report: set thresholds (e.g., “no single vendor >40% of critical process X”) and track exceptions.
The Payoff
Treating concentration risk as a design constraint, not an afterthought, yields a vendor ecosystem that’s diverse, flexible, and audit ready. It won’t eliminate incidents, but it keeps local problems from becoming enterprise crises, and it gives you leverage at the negotiating table.
How Can Schneider Downs Help?
Schneider Downs is a registered assessment firm with the Shared Assessments Group, the clear leader in third-party risk management guidance. Our personnel are experienced in all facets of vendor risk management, and have the credentials necessary (CTPRP, CISA, CISSP, etc.) to achieve meaningful results to help your organization effectively achieve new vendor risk management heights.
For more information contact the team at [email protected] or visit www.schneiderdowns.com/tprm.
