FMO vs IMO vs MGA: what each one is and how to pick one

FMOs, IMOs, NMOs, MGAs and GAs all do the same basic thing: they sit between insurance carriers and independent agents. They hold contracts with carriers, and they contract you under them. The names overlap and mostly aren’t legal categories, so the label tells you a lot less than the contract does. Before you sign with one, find out who owns your book, how releases work and who picks up the phone in October.

The chain from carrier to you

When you sell a carrier’s plan through an upline, you’re at the end of a chain, and each link has its own contract with the one above it.

Not every chain has every link, and some carriers let you skip the middle entirely. Devoted says you can contract with it directly as an independent broker, or through an upline that’s one of its partners (Devoted broker manual). Wellcare also lets brokers contract directly, and sends anyone who wants to work under a hierarchy-level broker or agency to that agency for an invitation (Wellcare 2027 broker roadmap).

Each one in plain words

FMO (field marketing organization)

This is the word you’ll hear most in Medicare. CMS describes an FMO as a type of third-party marketing organization “that employs or is affiliated with agents and brokers to complete MA enrollment activities,” and notes that FMOs may also market for plans through things like lead generation and advertising. CMS also pointed out that the FMO world has shifted “from mostly smaller, regionally based companies to a largely consolidated group of large national private equity-backed or publicly-traded companies” (CMS final rule, April 2024).

IMO (independent marketing organization)

An IMO plays the same basic role as an FMO. It holds carrier contracts and supports the independent agents under it. You’ll see both names, and some organizations go by both.

NMO (national marketing organization)

An NMO is a large organization above many FMOs or IMOs. If your FMO belongs to a bigger group, there may be an NMO above it that you never deal with yourself.

MGA (managing general agent)

MGA means two different things. In life and health sales, it usually means an agency or contract level with agents under it. State insurance law uses it for something much narrower. Minnesota’s statute, for example, defines a managing general agent as a person or firm that manages all or part of an insurer’s business, underwrites for it above a set premium threshold (so it can accept or reject risk for the insurer), and also adjusts claims or negotiates reinsurance (Minn. Stat. § 60H.02). Calling yourself an MGA doesn’t make you one under that law.

GA (general agent)

A GA is usually an agency, or a contract level, that contracts with a carrier or an FMO and has its own agents under it.

What an FMO or IMO does for an independent agent

• Gets you contracted and appointed with carriers, often several at once.
• Hands out certification links, including the discounted AHIP links some carriers and FMOs share (see AHIP certification).
• Gives you quoting and enrollment tools.
• Offers training and compliance help.
• Provides leads and marketing, sometimes with strings attached.
• Backs you up during AEP.

How much of that you actually get varies a lot from one organization to the next, which is why the questions below matter.

How they get paid

Usually the carrier pays them, not you. In its 2024 Medicare rulemaking, CMS summarized commenters who said many agents rely on “administrative fees (sometimes also referred to as overrides) from an MA organization to their FMO” to pay for “free” services like plan comparison and enrollment tools, training, and contracting and compliance support (CMS final rule, April 2024). Carriers use the same word in their own manuals. Devoted’s describes “agency overrides” paid to the agency an agent was under (Devoted broker manual).

That means an FMO usually earns more when you write more, and more with some carriers than others. There’s nothing wrong with that, but keep it in mind when an FMO keeps steering you toward one carrier.

What to ask before you sign

Bring this list to the call, and get the answers to the first three in writing.

• Who owns my book if I leave? What happens to my renewals with each carrier?
• What’s your release policy? Have you ever refused one, and why?
• What commission level would I start at, and what could change it?
• Do your leads come with strings attached? Would I owe you anything if I left?
• Which carriers can you actually contract me with in the states I sell in?
• How long does contracting take, from paperwork to ready to sell?
• Who picks up the phone in October, and how fast?
• Which tools are included, and what costs extra?
• Who approves my marketing, and how long does it take?
• Can I split carriers across more than one FMO, or do you expect all of them?

Switching or leaving: how releases work

A release is your upline letting you move your contract with a carrier to a new upline. Each carrier decides when it needs one and what happens if you don’t have it, so check with every carrier you sell for. Devoted publishes its process in its broker manual, so here’s one carrier’s rules as a real example:

• You have to start it yourself, by calling Agent Support or sending a message through the Agent Portal. Devoted won’t process a request an agency makes on your behalf.
• With your upline’s sign-off, it’s fast. A signed release letter from your current upline, or their approval by email, gets the transfer processed within 7 business days.
• Without it, you wait. The request takes effect 60 calendar days after Devoted receives it, and you can keep writing business in the meantime. Requests received between August 15 and October 8 take effect December 8.
• A new agency’s contracting link won’t move you. If you’re already contracted, you have to go through the release and transfer process.

Your renewals may not come with you. At Devoted, pay stays tied to the structure that was in place when each application was submitted, and agency overrides keep going to your original agency after you move (Devoted broker manual). Other carriers have their own rules, and that’s why “Who owns my book?” sits at the top of the list.

Keep your records in your own hands

When agents change FMOs, the paperwork usually isn’t the hard part. The hard part is figuring out what you actually have: which carriers you’re contracted with and through which upline, which certifications are current, and when each license renews. If all of that lives in your upline’s system, leaving can mean rebuilding it from memory.

Formation keeps your carrier contracts, certifications and licenses in your office’s system, not your upline’s, so changing uplines doesn’t send you back to square one. You can take a full copy of your information whenever you want. Formation isn’t an FMO and doesn’t replace one, and it works the same no matter whose hierarchy you’re in. If you’re not ready for software, the free recert & license tracker keeps the same records in a spreadsheet you own.

Questions agents ask

This guide is general information, not legal advice. Rules change, and your state’s insurance department and your carriers have the final word.