Business Card Limits: When Growing Firms Should Ask for More

Small firms are leaning harder on plastic

The question of when a growing company should push for a bigger credit line on its business card is getting harder to ignore. Credit cards are now the main financing tool for many small firms. The Federal Reserve's latest employer-firm report, based on its 2025 Small Business Credit Survey, found that 86% of firms use financing regularly, and credit cards and loans are the most common products.18 WalletHub, drawing on the same Fed survey, reports that 62% of businesses used credit cards in 2025, compared with 44% that used loans.13 Older data compiled by Nav points the same way: according to National Bureau of Economic Research figures, 55% of small firms used business credit cards over a twelve-month period, against 26% that took out loans.11

The reasons firms borrow matter here. In the Fed survey, the most common reason for seeking financing was to cover operating expenses (56%). Pursuing expansion came second at 46%.18 Only 42% of applicants got the full amount they asked for.18 Meanwhile, revenue and hiring expectations for the year ahead fell to their lowest levels since the 2020 survey. More than four in ten firms said tariff-related costs were a financial challenge.18 Taken together, these numbers frame the core issue. A higher card limit can fund growth, but it can just as easily paper over a cash shortfall.

The case for a bigger line

Advice from lenders, card issuers and personal-finance publishers agrees on what a higher limit is for. Nav describes it as an operational tool rather than a status symbol. More headroom means fewer declined transactions, more buying power for inventory and equipment, and smoother cash flow.8 Brex tells owners to start by naming a concrete reason, such as seasonal swings, equipment purchases or a growing expense budget. It argues that a clear business purpose strengthens a request and keeps the new limit tied to real needs.3

Timing comes up again and again. Ramp suggests asking for an increase before peak spending periods like inventory buys or travel seasons, not in the middle of one.9 Monefy notes that a seasonal business may want half its limit free during slow months and should pay balances down before the busy season.10 Ramp also points to e-commerce sellers whose spending can jump 300–500% around events like Black Friday, which is exactly when a fixed cap starts to pinch.4

There is also a credit-score reason. The common rule across these guides is to keep utilization, meaning balance divided by limit, below 30%.157 A business whose ordinary monthly spending now regularly passes that level on its existing line has, in practical terms, outgrown it. Raising the limit lowers the ratio without changing how the business spends.7

When to ask, and when to wait

On process, the guidance mostly lines up. Several sources say six months is the usual minimum before a first request or between requests.212325 Nav says the best moment is after several months of strong revenue, better cash flow, or steady on-time payments with stable usage. It advises holding off after a late payment, while carrying heavy balances, or soon after opening several new accounts.21 Ramp's list of what issuers like to see includes growing revenue, utilization under 30%, a clean payment record, and debt that is moderate relative to income.7

The practical steps are simple but often skipped. Owners are told to report updated revenue to their issuer, pay balances down before statements close so a lower figure reaches the bureaus, and check both personal and business credit reports for errors.121 Many owners don't do this. In a Bluevine survey of 864 small and mid-sized business owners, 72% hadn't updated their financial statements before their most recent financing application. Only 49% knew their business credit score.14

If an issuer says no, the alternatives are well established. Owners can request a temporary increase for a specific purchase, spread spending across existing cards, open a second card, or move larger, ongoing needs to a business line of credit.821 Capital One also suggests a new card as a way to get both more room and different features.2

Banks vs. fintechs: two ways of setting limits

The biggest split in the market is over how limits are set at all. Traditional issuers still weigh the owner heavily. Nav notes that many small business cards require a personal guarantee, so personal credit history shapes both the starting limit and later increases.21 That matches the Fed's finding that 59% of firms with debt used a personal guarantee to secure it.18

Fintech corporate cards claim a different model. Ramp says its underwriting uses real-time cash flow and sales data. It says limits can rise within 30 to 60 days, compared with the 4-to-12-month review cycles common at traditional issuers.4 Brex says it sets limits from a company's cash balance, revenue and spending patterns instead of personal credit scores. Card issuers with no preset spending limit, including several American Express and Capital One products, offer something in between. Spending power moves with payment and purchase history, but it is not unlimited.21

The reporting differs in useful ways here. The marketing multipliers don't agree. Brex claims limits 20 to 30 times higher than traditional cards, while NerdWallet describes Brex's own claim as 10 to 20 times. Ramp says 20 times in one place4 and NerdWallet lists it at up to 30 times. Eligibility is the other catch. NerdWallet reports that Ramp requires at least $25,000 in a U.S. business bank account and is closed to sole proprietors. Brex may require a $50,000 minimum balance from professional investors. In other words, the most flexible limits go mainly to incorporated, well-funded companies. Those are not the cash-strapped owners most likely to need more room.

The numbers don't agree, so treat them with care

Owners trying to benchmark their own line will find figures that vary widely. Rho and Expensify both cite an Experian figure of about $56,100 as the average small business card limit.524 Ramp, by contrast, puts the average for firms with typical financials at $5,000 to $50,000,4 and elsewhere says limits typically run $10,000 to $50,000.7 Individual card listings conflict too. Expensify gives the Amex Business Platinum an approximate range of $10,000 to more than $100,000 and a $695 fee.24 Brex's comparison lists a $1,000–$6,000 range for the same card while also calling it no-preset-limit, and puts the fee at $895, which Nav and Slash also report.2227 Most of these comparisons come from companies that sell competing cards, so readers should treat the specific figures as marketing, not neutral data.

The warning signs that a bigger limit is the wrong fix

This is where a growth story can become a debt story. Monefy's list of signs of credit dependence includes putting regular payroll or rent on cards, making only minimum payments for months, opening new cards to cover existing balances, and running utilization above 50% as a matter of routine.10 It also warns that card rates of roughly 18–29% make cards poor long-term financing.10

The cost of carried balances is going up. Forbes Advisor reports that small businesses' average monthly credit card interest topped $150, up more than 50% from under $100 at the start of 2022.20 WalletHub points out a structural risk that many owners miss. Consumer cards generally can't raise the rate on an existing balance until a payment is at least 60 days late, but business card issuers can reprice balances at any time.13 J.D. Power's 2024 survey found that 61% of financially unhealthy small businesses carried revolving balances, about double the 31% rate among healthy ones.16

The line between personal and business credit is also blurring. Bluevine found that 41% of owners use a personal card for business costs. Some of those owners said it raised their personal utilization, made bills harder to pay, or lowered their personal score.14 When a business card limit is too small, owners often reach for their personal card instead.

The bottom line

Taken together, the evidence points to a fairly clear test. A growing business needs a higher limit when its normal, repayable monthly spending regularly pushes past about 30% of its current line. It also needs one when predictable seasonal or project spending is about to hit a ceiling. In both cases, the business should be able to pay the balance in full from revenue it expects to collect. Owners in that position should ask early, bring current revenue figures, and pick a product whose limits adjust the way their cash flow moves.

If the extra room would mainly go to rent, payroll, or carrying last month's balance, the problem is cash flow, not the limit. With the Fed showing more firms borrowing just to cover operating costs and growth expectations falling, more owners are likely to be in that second group. For them, a cheaper line of credit or tighter cash management will probably help more than a higher card limit.1810