Procurement teams celebrate the signature. The sourcing event is over. The spreadsheet shows a 12% cost reduction against the previous contract. The savings get reported, the CFO nods, and the category manager moves to the next sourcing event. Twelve months later, at renewal, someone runs the numbers and finds that actual spend ran 8% above the contracted rate. The savings never materialized. The contract was signed, filed, and forgotten.
This is not a rare failure. It is the default. Research from The Hackett Group and multiple procurement advisory firms consistently finds that 40-60% of negotiated savings erode between contract signature and renewal when no structured governance process exists. The gap is not in sourcing capability. The gap is in what happens after the ink dries.
How it typically unfolds: the post-award value leak timeline
Month 1-3: The contract is signed. Transition activities consume attention. No one is tracking whether the supplier's first invoices match the negotiated rates. A few scope items carried over from the previous contract get added without pricing review. The category manager is already working on the next sourcing event.
Month 4-6: The business unit adds three new requirements that were not in the original scope. The supplier bills for them at list price because no one negotiated rates for scope additions. A quarterly business review is scheduled, then cancelled because both sides are busy.
Month 7-9: Service levels slip on two SLAs. No one notices because the SLAs are tracked in a spreadsheet that the category manager updates quarterly, and the last two quarters were missed. Volume discounts that required minimum spend thresholds went unclaimed because actual volumes exceeded the threshold but no one filed for the rebate.
Month 10-12: The contract comes up for renewal. The spend analysis shows costs 8% above the contracted baseline. The category manager blames "business demand changes" and starts a new sourcing event. The cycle repeats.
Root causes: why post-award governance fails systematically
Root cause 1: Incentive misalignment. Procurement KPIs reward sourcing savings at signature, not realized savings at year-end. A category manager who negotiates a 12% reduction gets credit immediately. Whether that 12% actually materializes over the contract term is measured months later, if it is measured at all. The incentive structure rewards signature-day performance, not contract-term performance.
Root cause 2: Governance is unfunded headcount. Sourcing events have dedicated resources. Post-award contract management is supposed to happen as a side activity for the same people running the next sourcing event. When sourcing activity is high, governance drops to zero. The Hackett Group's benchmark data shows world-class procurement organizations allocate one contract manager per 15-25 active strategic contracts. Typical organizations allocate one per 60-100 contracts or none at all.
Root cause 3: No operational rhythm. Governance requires a recurring cadence: monthly invoice audits, quarterly business reviews with documented actions, annual contract health assessments. Most organizations have none of these. The review happens when someone remembers or when a problem surfaces. By the time a problem surfaces, the value has already leaked.
Early warning signals
Four indicators that post-award value is eroding, detectable before the renewal conversation:
- Invoices are approved without checking against contracted rates. If your AP team cannot compare the invoice line item to the contract schedule, every invoice is a value leak waiting to happen.
- Scope additions arrive via email, not through a change-order process. Every scope addition that bypasses commercial review is being priced at the supplier's terms, not yours.
- Quarterly business reviews are consistently rescheduled or skipped. If three consecutive quarters pass without a structured review, assume the contract is running on autopilot and value is leaking.
- Volume rebates and discount thresholds are tracked by the supplier, not the buyer. The supplier's incentive is to report the minimum qualifying volume. Yours is to claim every dollar you are owed.
What correct execution looks like
Organizations that prevent post-award value erosion do four things differently. First, they separate sourcing and contract governance into distinct roles. The person who negotiates the contract is not the person who manages it. Sourcing incentives reward aggressive negotiation. Governance incentives reward realized value. Keeping them in the same role creates a conflict.
Second, they run a fixed governance calendar: monthly invoice-to-contract reconciliation, quarterly structured business reviews with documented actions and owner assignments, and an annual comprehensive contract health assessment that feeds into the renewal decision 90 days before expiry. The calendar is non-negotiable. It survives personnel changes because it is a process, not a person.
Third, they track realized savings separately from negotiated savings. A contract that was negotiated at 12% below baseline but delivered 4% below baseline is reported as a 4% realized saving with an 8% erosion note. The gap between negotiated and realized becomes a governance metric, not a footnote.
What this means in practice
Pick your top five contracts by spend. For each one, pull the last six months of invoices and compare them to the contracted rates. Flag every line item that exceeds the contract rate. Calculate the total overrun. This number is your post-award value leak. It is almost certainly larger than you expect.
Establish a monthly invoice reconciliation checkpoint. This is not a full governance program. It is one hour per contract per month: open the contract schedule, open the last month's invoices, check the rates, flag discrepancies. A procurement analyst can do this. The return on that one hour is typically 3-8% of annual contract spend.
Separate sourcing KPIs from governance KPIs. If your category managers get the same credit for negotiated savings and realized savings, they will optimize for negotiated savings. Create a separate realized savings metric that is measured at contract anniversary, not at signature. Make governance someone's job, not everyone's afterthought.
Frequently asked questions
How many contracts should have active governance?
Start with contracts representing 80% of your addressable spend — typically the top 15-25 supplier relationships. Full governance on every contract is not operationally feasible. The 80/20 rule applies: govern the contracts where value erosion has the largest absolute impact.
What if suppliers resist structured governance?
Build governance requirements into the contract at signature — not after. The RFP should specify monthly invoice audit rights, quarterly review participation requirements, and scope-change approval processes. Suppliers who resist governance at sourcing will resist it post-award. Select for suppliers who accept governance as a condition of the relationship.
Data sources
- The Hackett Group, "Procurement Key Issues Research," thehackettgroup.com, accessed July 5, 2026.
- Chartered Institute of Procurement & Supply (CIPS), "Contract Management Guide," cips.org, accessed July 5, 2026.
- World Commerce & Contracting (WorldCC), "SRM Pitfalls and Best Practices," worldcc.com, accessed July 5, 2026.
- Deloitte, "Global Chief Procurement Officer Survey 2025," deloitte.com, 2025.