Plumb Bill Pay Case Study

How Plumb turned a routine expense review into real savings

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by Plumb Bill Pay
| 16/06/2026 12:00:00

At a glance

Challenges

  • Recurring subscriptions billed above actual usage tier
  • No process to evaluate value behind existing charges
  • Expense tools providing visibility but not optimization
  • Time-consuming audit risk without a structured framework

Benefits

  • $5,000 in annual savings recovered across vendor audit
  • Underutilized subscriptions identified and right-sized
  • Repeatable optimization process established going forward
  • Cleaner expense data delivered for year-end tax preparation

Objectives
The client sought a more proactive approach to expense management, moving beyond passive tracking tools toward a structured review process that could identify real savings opportunities across their full vendor landscape.

  • Gain a clearer understanding of whether recurring subscriptions and vendor services were being utilized at the tier being paid for
  • Identify specific opportunities to reduce costs without disrupting services or workflows the client relied on
  • Establish a reliable, repeatable framework for ongoing expense optimization in partnership with Plumb

Solutions
To address these needs, Plumb conducted a structured vendor audit designed to move the client from passive expense visibility to active, ongoing cost optimization:

  • Full Vendor Audit: A comprehensive line-by-line review of one year of historical expense data, evaluating every recurring charge against actual usage patterns.
  • Subscription Analysis & Right-Sizing: Identifying specific subscriptions being paid at tiers that exceeded actual usage, with clear recommendations for each.
  • Implementation Support: Executing changes on the client’s behalf — downgrading, canceling, or adjusting services where appropriate — with no disruption to functionality.
  • Ongoing Expense Optimization Framework: Establishing a repeatable review process to ensure costs stay aligned with usage over time, not just at the moment of the initial audit.

Outcomes

  • $5,000 in Annual Savings Recovered: Multiple underutilized subscriptions identified and right-sized in a single review, delivering immediate, measurable cost reduction.
  • Expense Clarity Beyond the Dashboard: The client moved from knowing what they were spending to understanding whether every dollar was earning its place.
  • Zero Service Disruption: All changes were made thoughtfully, preserving every tool and service the client actually relied on.
  • A Process, Not a One-Time Fix: The client now has a structured framework in place to catch inefficiencies before they compound — year after year.

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