Strategy

Approval chains: the hidden procurement tax

Every extra approver adds 2-4 days and a hidden 5-15% cost. Like paying interest on a loan you never took out — the approval chain is the one procurement cost that grows with every policy designed to reduce it.

5 hrs

PO processing — top performers

Like ordering on Amazon with one-click checkout — fast and frictionless

2–4 days

Delay per extra approval layer

Like adding a 2-4 day layover to every flight — each stop costs time

5–15%

Hidden cost of multi-tier approvals

Like paying a 5-15% surcharge on every purchase, hidden in delays and missed discounts

The Problem

Risk

The approval tax is invisible because nobody measures it. When a $2,000 software license waits 4 days for approval, nobody logs the lost productivity — it's like paying double interest on a loan your supplier never agreed to.

The Fix — Parallel Approvals

Sequential

Manager → Procurement → Legal → Finance. Each step blocks the next — like a single-file line where one slow person holds up everyone behind them.

2-4 days per layer

Parallel

Manager approves first, then Legal and Finance review at the same time — like splitting into multiple checkout lanes instead of one.

40–60% faster cycle

Where to Cut — 3 Approvals That Add Cost Without Reducing Risk

Redundant reviewers. Two people in the same department approving the same purchase — like having two cashiers ring up the same cart. If they share a budget and a manager, one signature is enough.

Threshold creep. A $5,000 approval limit set in 2020 now catches purchases 30% smaller in real terms — like a speed limit that silently drops every year without anyone posting new signs.

Legacy sign-offs. A compliance checkpoint added during a 2019 risk event. The event passed, but the checkpoint stayed — like keeping a fire watch posted years after the fire is out, because nobody remembered to cancel the assignment.

The Model — Two Tiers That Actually Work

Two levels for purchases under $50K. Budget owner + one procurement reviewer. That's all most purchases need.

Three levels maximum, period. Reserve for contracts above $250K or multi-year commitments. Every level beyond three adds cost without reducing risk.

Index thresholds to inflation annually. Without indexing, your policy silently tightens every year — like a belt that shrinks in the wash.

Jargon Decoder

PO Cycle Time How long it takes from "we need this" to "order placed" — like measuring door-to-door delivery, not just shipping speed.

Approval Chain The list of people who must say "yes" before a purchase happens — like a relay race where each runner passes a baton.

Sequential Approval One person approves, then the next, then the next — like a single-file line where one slow person blocks everyone.

Parallel Approval Multiple reviewers work at the same time — like splitting a group task into independent chunks instead of passing it around.

Approval Threshold The dollar amount above which extra sign-offs kick in — like a spending limit on a company credit card.

Legacy Sign-off A checkpoint added during a past risk event that nobody removed — like keeping a "wet floor" sign up months after the floor dried.

Sources: APQC Procurement Benchmarks, Orolabs (2026), Procurify, Planergy, Akirolabs

Rzzro

Procurement, quantified.