Tail Spend Management Strategies to Cut Costs Up to 10%

Has your procurement team ever felt overwhelmed juggling dozens of small purchases that never seem to end? While each transaction might look insignificant on its own, these purchases collectively consume enormous amounts of time and resources — especially without a clear strategy in place.

That’s what’s known as Tail Spend: the portion of a company’s total expenditure made up of low-value, high-frequency transactions. 

According to a Boston Consulting Group (BCG) study, companies that effectively implement a tail spend management strategy can reduce costs by as much as 5-10%. So, what does that strategy actually look like? Read on to find out.

What is tail spend?

Tail spend refers to the segment of company expenditure consisting of small-value purchases made frequently and often outside the oversight of the procurement team. Today, the term also covers ad hoc purchases or transactions with non-preferred suppliers: low in individual value, but high in volume.

Because these purchases seem trivial, many companies don’t bother prioritizing them. But the lack of data visibility and reliance on manual processes makes this area particularly vulnerable to waste and duplicate orders.

Common characteristics of tail spend:

• Transactions are low in value but high in quantity
• Involves a large number of small suppliers
• Often untracked or poorly documented

Although tail spend typically accounts for only around 20% of the total procurement budget, it can generate hidden costs and compliance risks because purchases are scattered and hard to monitor. 

This pattern frequently leads to maverick spending, purchases made outside company policy, which undermines procurement efficiency and transparency.

Examples of tail spend categories

Tail spend can show up in many forms, often slipping through the cracks of standard procurement controls. Here are some of the most common categories:

• Petty cash and expense items: Day-to-day operational costs such as meals, transportation, fuel, business travel, and other small necessities that keep things running.
• E-marketplace spend: Recurring purchases through online marketplaces for standard office needs, think stationery, batteries, IT accessories, furniture, coffee and snacks, maintenance supplies, or promotional materials.
• Custom catalogs: Catalog-based purchases tailored to specific company needs, such as factory tools, laboratory equipment, or employee uniforms.
• Tactical buys: Infrequent purchases of items that have been bought before from the same vendor, but not regularly enough to justify a long-term contract.
• Spot buys: One-time purchases of relatively low value (typically around 10-15%), usually made on short notice for immediate needs, with direct payment and delivery.

Tail spend management strategies

Managing tail spend effectively requires a deliberate approach, one that keeps low-value, scattered transactions efficient, transparent, and aligned with company policy. Here are several proven strategies worth implementing.

1. Centralize and standardize procurement processes

Routing all purchases through a single centralized platform improves visibility, control, and compliance. When processes are standardized, even small purchases go through the same approval workflow, significantly reducing the risk of maverick spending.

2. Automate the purchasing process

Spend management software with a dedicated Procurement module, like Mekari Expense, enables automation across PO creation, invoice matching, and expenditure analysis. Tasks that used to be handled manually can now run faster and more accurately, easing the administrative burden on your procurement team.

3. Consolidate suppliers and centralize vendor management

Reducing the number of vendors for low-value purchase categories strengthens price negotiations, boosts efficiency, and builds longer-term relationships. An integrated vendor management system also ensures every transaction is recorded and policy-compliant.

4. Use a standardized product catalog

A pre-approved product catalog lets employees quickly purchase routine items at negotiated prices without going off-script. This turns an “unmanaged” spending area into a controlled, efficient process.

5. Use data to drive analysis and decision-making

Transaction data from corporate cards, invoices, and POs can be mined to identify tail spend patterns. With this visibility, companies can pinpoint which categories are candidates for consolidation or elimination and act accordingly to cut costs.

6. Apply the REO strategy (Retain, Eliminate, One-off)

• Retain: Keep suppliers that offer competitive pricing or unique products, and renegotiate regularly for additional savings.
• Eliminate: End relationships with suppliers that are no longer relevant or necessary, reducing unnecessary administrative load.
• One-off: Use simple payment and reconciliation methods for single-use purchases to stay efficient and compliant.

7. Consider a master vendor model

Appointing a single primary vendor to manage all smaller suppliers can accelerate payment processing, vendor onboarding, and spend data consolidation. This approach reduces risk, increases transparency, and speeds up cost efficiency.

Benefits of strategic tail spend management

When tail spend is managed thoughtfully, companies unlock meaningful savings in both cost and time, from purchases that were previously written off as too small to matter. Here are the key benefits:

• Significant cost savings: Automating POs, invoices, and spend analysis reduces operational costs while driving down purchase prices through negotiation and supplier consolidation.
• Greater spend under management: Centralized, documented purchasing gives companies full control over transactions that were previously scattered and untracked.
• Reduced risk and waste: Digital systems help monitor purchasing compliance, preventing maverick spend and out-of-policy purchases before they happen.
• Better data quality and reporting transparency: All transactions are logged automatically, making expenditure data more accurate, easier to analyze, and audit-ready.
• Faster procurement and payment cycles: Automated POs and electronic invoice management accelerate approvals, reduce payment delays, and cut administrative costs.
• Higher productivity for the procurement team: With small transactions handled automatically, the team can focus on higher-value work like negotiating major contracts or optimizing vendor performance.
• Less maverick spending: Catalog systems and standardized purchasing channels ensure that all purchases are routed through approved pathways, with pre-agreed prices and suppliers.

Recommended spend management software for tail spend

To manage tail spend effectively, companies need a system that brings the entire procurement and payment process together under one roof.

Mekari Expense is an integrated spend management software built to help businesses take control of small-value expenditures in a way that’s efficient, transparent, and fully automated.

With two core modules, Procurement and Account Payable, Mekari Expense enables companies to:

• Manage purchase requests, approvals, and PO issuance automatically through the Procurement module
• Automate vendor invoice recording and payments through the Account Payable module, directly connected to the company’s accounting system

The key advantage of Mekari Expense as an E-Procurement software lies in its real-time purchasing data visibility and supplier consolidation in a single dashboard, giving procurement teams full oversight of transactions, the ability to prevent duplicate purchases, and the leverage to negotiate better prices with vendors.

Mekari Expense transforms tail spend management from a tedious administrative exercise into an effective cost-efficiency strategy, giving you complete control over every rupiah spent.