Best Business Credit Cards for a Single-Member LLC in 2026

Brex is a corporate charge card with no personal guarantee and no personal credit check, underwritten entirely on company financials. It is available only to US-registered entities: C-corps, S-corps, LLCs and LLPs, and it requires an EIN. Sole proprietors and non-US companies are not eligible, which is exactly why forming the LLC changes the conversation. The cash-reserve expectation is reported around $50,000 for the standard path, and the balance is paid in full each cycle, so it cannot carry anything. There is no annual fee. Brex is oriented toward venture-backed and professionally funded companies, though it also serves non-traditionally funded and pre-funding businesses. For a single-member LLC without that reserve, this is a card to grow into.

A single-member LLC owner who accepts the personal guarantee but wants the account kept off their personal credit report has a short list, and this is on it. Capital One reports most business cards to the owner's personal credit, but secondary sources report Spark Cash Plus as an exception that does not send ongoing activity to personal bureaus. Treat that as reported rather than confirmed. The card pays a flat, uncapped 2% cash back on everything, charges no foreign transaction fee, and includes free employee cards. There is an annual fee, refundable as a statement credit once annual spending crosses a threshold. It is a charge card with no preset spending limit, paid in full each month, with a pay-over-time option on eligible purchases.

Where a single-member LLC makes occasional large purchases rather than steady small ones, this card is structured for the pattern. It is a pay-in-full product rather than a revolving card, with Chase's Flex for Business feature available to move a portion of qualifying purchases into payments over time with interest. The card pays an elevated rate on any single transaction of $5,000 or more, which is per transaction rather than cumulative, plus an elevated rate on travel booked through Chase Travel and a strong flat base rate on everything else. Rewards are cash back only and cannot be transferred to travel partners or moved to another Chase card. There is no foreign transaction fee, employee cards are free, and a personal guarantee is required.

Mercury IO is a Mastercard corporate card tied to a Mercury business banking account, with no personal guarantee, no personal credit check and no security deposit. It requires an incorporated US business holding a Mercury account, and the spending limit is set by the Mercury balance rather than by an underwriting decision about you. The reported qualification threshold sits around $25,000 in Mercury balances, and customers with roughly $15,000 or more may qualify for higher limits and can choose monthly or daily repayment. The card pays itself off automatically from the checking balance and carries no annual fee. It earns flat cash back on all spending, including international. The condition is that your operating cash has to live at Mercury.

Ramp is the cleanest single-member LLC answer among the no-guarantee cards, provided the balance is there. It carries no personal guarantee and no personal credit check, and it requires a formally registered US entity, so an LLC qualifies where a sole proprietorship does not. The threshold is a US business bank account holding roughly $25,000 or more, held consistently rather than parked briefly before applying. It also requires a physical US address and rejects PO boxes, virtual offices, registered agent addresses and mail forwarding services. The balance is paid in full each cycle with no interest, so it cannot float anything. There is no annual fee, and expense management, receipt capture and per-employee spend controls are built in rather than sold separately.