Maverick spend: Definition, examples, and how to control it

Maverick spend, also called rogue spend or off-contract spend, is any purchase made outside your approved procurement process, contracts, or preferred vendors.

Maverick spending is usually a process problem: Employees go around the system when it's slower than their credit card. You fix it by controlling spend before the purchase, at intake and approval, and by enforcing policy at the card swipe.

What is maverick spend?

Any purchase that skips your approved buying process counts as maverick spending, whether the buyer ignored a contract, a preferred vendor, or an approval step. Anyone with a company card or a vendor contact can do it. It shows up most in indirect spend such as software, marketing services, office supplies, and travel.

The cost adds up. Your negotiated rates go unused, and budgets drift a little farther each month. Here's how:

• Non-preferred vendor: You buy from an outside supplier when a contracted one already covers the category.
• No approval: You commit to a purchase before anyone signs off on it.
• Split purchase: You break one large purchase into smaller ones to stay under an approval threshold.
• Off-contract price: You pay more than the rate your company negotiated with that vendor.
• Unreviewed contract or renewal: You sign a contract or let an auto-renewal run without finance seeing it.

Most maverick purchasing is unintentional. People reach for the fastest option, often without knowing the policy exists.

Treat it as a process gap first since most maverick buyers think they're doing their job.

Maverick spend examples

• Duplicate design tool: Your marketing manager expenses a design tool bought on a personal card while you license a competitor. Caught by: duplicate flagging at intake.
• Local supply run: Your office team buys supplies at a local store when you have a contracted supplier. Caught by: preferred-vendor routing.
• Trial that converts: An engineer signs up for a SaaS trial that auto-converts to an annual plan nobody approved. Caught by: individual cards with merchant controls.
• Split invoice: A department splits a $12,000 purchase into three $4,000 invoices to dodge your $5,000 approval threshold. Caught by: vendor-level checks across invoices.

Each of these slipped through at a different point, so one control won't catch them all.

Maverick spend vs. tail spend

Tail spend is a category of purchases, and maverick spend is a behavior. Tail spend covers the many small, low-value purchases spread across your vendor list, while maverick buying can happen at any dollar amount.

The two overlap because tail spend is where rogue spend hides most often. A large off-contract purchase counts as maverick spend but sits outside tail spend. A small purchase made through the approved process counts as tail spend and follows the rules.

Start your maverick spend review in tail spend since that's where off-contract purchases are easiest to miss.

Why maverick spend is a problem

Maverick spend erodes the savings your team already negotiated, and it hides spend from finance.

• Lost discounts: Volume pricing and negotiated rates only pay off when people buy through the contract.
• Contract breaches: Missing a minimum-volume commitment can trigger penalties or cost you your pricing tier at renewal.
• Vendor risk: Unvetted suppliers haven't passed your security, compliance, or environmental, social, and governance (ESG) reviews.
• Weaker forecasts: Budgets built on incomplete spend data drift farther from reality every month.
• Fraud cover: A high volume of off-process buying makes a bad actor's purchases harder to spot.

Your close takes the biggest hit. Invoices arrive with no PO to match, so accounts payable (AP) has to track down the requester before paying. Accruals turn into guesses because you can't book commitments you never saw.

Cut maverick spend and you win back those discounts plus books and forecasts you can trust.

Common causes of maverick spend

People go around your purchasing process when it's slower or harder than the workaround.

• Slow, complicated process: Long forms and week-long approvals push people to their cards, so cut steps and set approval time targets.
• No single place to request: Employees don't know where to start, so give them one intake channel.
• Decentralized buying: Marketing and IT buy their own tools, so apply the same approval rules to every department.
• Unknown policy or vendors: People can't follow rules they've never seen, so show the preferred vendor at the moment of request.
• Shared cards: A shared card makes every purchase anonymous, so issue individual cards.
• No contract visibility: Renewals roll over unreviewed, so keep contracts and renewal dates in one place.

Fix the slowest step in your process first because that's the one people route around.

How to detect maverick spend

You find maverick spend by comparing what was bought against what was approved. Review POs, invoices, and card transactions together since a purchase that looks fine in one system often fails the check in another.

Set clear triggers so reviewers don't have to guess. Flag any invoice more than 5% above the contracted price. Flag any vendor with three or more charges in 7 days that together pass your approval threshold.

Run these checks every month so rogue spending shows up before quarter-end.

How to reduce maverick spend in 5 steps

Reducing maverick spend comes down to making the approved path the fastest one for employees, then enforcing it automatically. Start with policy since every other control needs a rule to enforce.

1. Write a clear purchasing policy

A good policy tells every employee who can spend, how much, and with whom.

• Who can buy: Name the roles that can commit company money, and require everyone else to submit a request.
• Approval thresholds: Set tiers like manager sign-off under $1,000, finance at $1,000–$10,000, and legal above $10,000. Send any new software vendor to security review.
• Preferred vendors: List the approved supplier for each category you buy in often, like software or office supplies.
• PO rule: Require a PO for any vendor purchase above $5,000 or any contract longer than 12 months.

Keep it short enough to read in five minutes because nobody follows a policy they haven't read.

2. Create a single intake front door

Every purchase request should start in one channel where the employee describes what they need in plain words. Before anything reaches an approver, check it against the vendors and contracts you already have. If you already pay for a tool that does the job, point the requester to it right away.

Once that channel is live, shut down side channels like email threads and direct messages.

3. Set tiered approval routing

Route each request by amount, department, and category so small purchases move fast and large or risky ones reach the right reviewers. A $300 software add-on might need only a manager, while a $40,000 data vendor goes to finance and security.

Speed matters most here. Slow approvals are the main reason people buy around the process. Target same-day decisions on anything under $1,000.

4. Enforce preferred vendors and contracted pricing

Once you approve a request, issue a PO that sends the buyer to the preferred vendor at the contracted price. When the invoice arrives, match it against the PO and the receipt before you pay. Track each contract's renewal date and set alerts at 60 and 30 days so nothing rolls over without review.

Any invoice that doesn't match its PO should wait until someone resolves the gap.

5. Control card spend at the point of purchase

Give every employee who buys for the company their own card with a spending limit. Add merchant category restrictions so a marketing card can't pay for hardware, and run real-time policy checks on every charge. Your card program then blocks or flags out-of-policy charges at the swipe, weeks before month-end close.

Retire shared cards first since they hide who bought what.

What to look for in software to control maverick spend

The right procurement software controls spend before the purchase and enforces policy at the purchase. Tools that only report spend after it happens leave you cleaning up rogue spend at month-end.

Ask every vendor on your shortlist to demo one request moving all the way to payment before you sign.

Metrics to track maverick spend

Four monthly metrics tell you whether your controls are working.

Approval cycle time ties directly to maverick spend since slow approvals push people to work around the process.

If approvals regularly take more than 2 business days, fix that before you tighten anything else.

Stop maverick spend before it starts with Ramp Procurement

Maverick spend starts upstream, when someone needs something and the fastest route skips approval. By the time the invoice reaches AP, the money's committed and your negotiated rate is gone.

Ramp Procurement gives you control over every purchase before anyone commits to a vendor. Employees describe what they need in plain language, and Ramp flags duplicate or out-of-policy requests before they reach an approver. Approved requests become POs, and 3-way matching connects them to Ramp Bill Pay.

With Ramp, controlling maverick spend looks like this:

• Send every request through one front door: Ramp asks clarifying questions and pre-fills forms, eliminating 46 hours a month of manual purchasing work.
• Approve 3x faster: Approvals route automatically, and Procurement Agent runs vendor due diligence with cited reports while your team keeps the final call.
• Match every invoice before you pay: POs with 3-way matching flow into Bill Pay, so mystery invoices stop reaching AP.
• Govern vendors and renewals: Keep contract details on file, get renewal alerts at 60 and 30 days, and benchmark prices against millions of Ramp transactions.
• Enforce policy at the swipe: Ramp Corporate Cards give each employee their own card, with merchant and category limits enforced before spend happens.

Try an interactive demo to see how Ramp stops maverick spend before it reaches your books. The median Ramp customer saves 7.5% on expenses in their first year.