Madeen encyclopedia

Companion Certificate

Companion Certificate is a protection benefit on 3 cards in the Madeen catalog. Companion Certificate appears on 2 cards in the Madeen catalog. Issuer terms define eligibility, cap. Issuer terms control eligibility, caps, and exclusions; Madeen summarizes catalog data for comparison only.

What is Companion Certificate?

Companion Certificate appears on 2 cards in the Madeen catalog. Issuer terms define eligibility, caps, and exclusions. Issuer terms control eligibility, caps, and exclusions; Madeen summarizes catalog data for comparison only. Issuer terms control eligibility, caps, and exclusions; Madeen summarizes catalog data for comparison only.

Which cards include Companion Certificate?

3 catalog cards match Companion Certificate by title or taxonomy. Table ranks by Madeen effective rate in the strongest spend category. Issuer terms control eligibility, caps, and exclusions; Madeen summarizes catalog data for comparison only. Issuer terms control eligibility, caps, and exclusions; Madeen summarizes catalog data for comparison only.

Is Companion Certificate worth it?

Weigh Companion Certificate against annual fees on related cards. A perk matters only if you would use it and the fee is offset by spend or credits. Issuer terms control eligibility, caps, and exclusions; Madeen summarizes catalog data for comparison only.

Ranked by Madeen effective rate in each card's strongest category. Issuer terms control current offers.

Card Issuer Top category Effective rate Annual fee
Delta SkyMiles Platinum American Express American Express Travel 3.6% $350
AAdvantage Aviator Red World Elite Mastercard Barclays Dining 1.5% $99
Delta SkyMiles Reserve American Express American Express Dining 1.2% $650

Frequently asked questions

What is Companion Certificate on a credit card?
Companion Certificate appears on 2 cards in the Madeen catalog. Issuer terms define eligibility, caps, and exclusions. Issuer terms control eligibility, caps, and exclusions; Madeen summarizes catalog data for comparison only. Issuer terms control eligibility, caps, and exclusions; Madeen summarizes catalog data for comparison only.
How many cards include Companion Certificate?
Madeen lists 3 cards with Companion Certificate or a matching benefit title in our catalog snapshot. Issuer terms control eligibility, caps, and exclusions; Madeen summarizes catalog data for comparison only. Issuer terms control eligibility, caps, and exclusions; Madeen summarizes catalog data for comparison only.
Does Madeen guarantee approval or bonus eligibility?
No. Madeen summarizes public catalog and issuer information for education. Approval, offers, and benefit enrollment are controlled by issuers and can change. Issuer terms control eligibility, caps, and exclusions; Madeen summarizes catalog data for comparison only. Issuer terms control eligibility, caps, and exclusions; Madeen summarizes catalog data for comparison only.

Madeen analysis. Data from catalog snapshot 2026-06-01. Last reviewed 2026-06-01. Reviewed by Madeen editorial review. Issuer pages control rewards, fees, benefits, and eligibility.