Marriott Corporate Codes

Multi-source verified Marriott corporate codes, how to enter them, who they're restricted to, and which ones we could not confirm.

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Jump to the complete list of 65 verified Marriott codes

How to enter a Marriott corporate code

1. Go to marriott.com and look for Special Rates on the search box.
2. Open Special Rates and click Corporate/Promo/SET#. A new field appears below — this is the same field whether you use a corporate code or a Marriott coupon code.
3. Type the company's code in that field and search. Properties that don't honor it show Rate Unavailable or Unavailable.
4. Open View Rates to compare the standard rate against the corporate rate. Under the Special Rates tab you can also see which company the code belongs to — a quick way to confirm you typed the right one.
5. Click Select to book if the corporate rate wins.

Last updated: September 2026 (most recent source verified September 2026).

Complete list of verified Marriott corporate codes

65 codes below, each confirmed in at least two independent listings. The third column is how many independent listings the code appears in; the last column is the date that code was most recently checked.

On a phone, swipe the table left/right to see all columns.

Last checked per code is the most recent update among its sources.

Deloitte — the Marriott code, and how it is issued

If you arrived here searching for a "Deloitte Marriott code", the code is DTC. It is one of the better-attested entries on this page: four independent listings carry it, all four attribute it to Deloitte, and none of them flags it as unverified.

• What it is: a three-letter Marriott corporate account code. Marriott issues short alphabetic codes of this kind to large professional-services firms, and they go into the same field as the numeric ones.
• What it is not: a public discount. DTC is tied to Deloitte's own negotiated agreement with Marriott. It works in Marriott's booking flow, but entering it does not make you eligible — the agreement is what decides that, not the code.
• What to expect: listings put the discount in the high teens; one shows 18% in the US and Canada and 19% in Europe. Treat that as a typical range rather than a promise — what actually appears depends on the property and the dates.

Accenture — the Marriott code (ACC)

If you arrived here searching for an "Accenture Marriott code", the code is ACC. Four independent listings carry it and all four attribute it to Accenture. None of them publishes a date on which it was last tested, so we re-checked all four again in October 2026 and note the result below.

• What it is: a three-letter Marriott corporate account code, the same shape as DTC above. It goes into the same field on marriott.com as the numeric codes; Marriott's help page calls that field Corp/Promo Code or SET#.
• What it is not: transferable. ACC exists because Accenture has a negotiated agreement with Marriott. Typing it does not create eligibility, and it is not a code Accenture publishes for general use.
• Where the listings disagree: on the discount, not the code. One puts ACC at about 15% off in North America and Europe; another's own regional table shows 15% in Canada, the US and Europe but 0% in Asia. Same code, different region, different result — so treat the percentage as a report about specific dates, not a property of the code.

Leaving Accenture, or booking for someone else. These are the two questions that actually come up around this code, and no listing answers either: whether ACC still works after you leave the firm, and whether a family member can use it. Both are decided by Accenture's travel policy and by whatever the property asks for at check-in — not by the code itself. Marriott has been tightening this: corporate-rate verification now runs inside the Bonvoy app, and staff can ask for proof at the desk. If you cannot produce it, the fallback is the rate you would have paid anyway, not a penalty.

What we dropped. A fifth listing, corporatecode.org, also shows ACC for Accenture, but we do not count it. Its Marriott table slips out of alignment partway down — BMW is given 5171 (which belongs to Boeing), Boeing is given CDH (Cardinal Health's code), and further down HP is given IBM. A source whose rows do not line up cannot be used to confirm a code, so the count above is four, not five.

Last checked: October 2026.

Corp codes, corporate rates and SET numbers — one field, three names

"Marriott corp code", "Marriott corporate rate" and "SET number" all point at the same box on marriott.com, which Marriott labels Corp/Promo Code or SET#. What changes is which side of that box you are using.

• Corp code / corporate rate: the negotiated side. Tied to a named company's agreement, needs an affiliation, and is what every code on this page is.
• Promo code: the other side of the same box. Public and time-limited, and not what this page lists — a promo code working is not evidence of a corporate rate.
• SET number: Marriott's own name for the account behind a negotiated rate. When a listing says "SET", it means the same thing as "corp code".

General Dynamics — the Marriott code (G2D)

If you arrived here searching for a "General Dynamics Marriott code", it is G2D — a three-letter corporate code of the same family as ACC and DTC above, and a row in our verified table.

• What it is: a Marriott corporate account code for General Dynamics, entered in the same Corp/Promo Code or SET# field as every other code on this page.
• What it is not: an employee rate. The M-prefixed codes — MMP, MMF, MM4, MMA — belong to Marriott's own Explore and employee rate family, set apart in the section below. G2D is an employer code, which is what puts it in the corporate table.
• What backs it: two independent listings, both attributing G2D to General Dynamics. That is a thinner record than ACC or DTC (four listings each), so treat it as confirmed but not heavily attested.
• Regional check: the listings put no percentage on it. Do not assume a figure — the discount that appears is whatever the property shows on your dates.

Last checked: October 2026.

Codes to check before relying on them

These are either confirmed by only one listing, or the listings disagree with each other, or one listing flags them as unverified. Test before relying on any of them.

Last checked: September 2026.

MMP, MMF, MM4 and MMA — the Marriott codes that are not corporate codes

Run marriott corporate codes and Google's own answer panel for the query asks three questions no code list answers: “What is the Marriott G2D code?”, “What is the Marriott MM4 code?” and “What does MMP/MMF room rate mean?” We read that panel in a signed-in browser on 10 October 2026. Two of the three are about codes that are not corporate codes at all, which matters on a page where every confirmed code is three letters long.

G2D is a corporate code, and it is here. It belongs to General Dynamics and sits in the verified table above with two independent listings behind it. Four other M-codes on this page are employer codes in exactly the same way: MMM for 3M, MLM for Bayer, MCO for Microsoft and MOS for Morgan Stanley. A code beginning with M tells you nothing by itself.

MMP, MMF, MM4 and MMA are Marriott's own employee rates. Per the answer panel Google built for this query on 10 October 2026, which takes the descriptions from discussion on r/marriott: MMP is the Explore Rate, for eligible Marriott employees and their immediate family; MMF is Explore Friends, for extended family and friends; MM4 is a seasonal employee rate with deeper discounts during holiday periods; MMA is the standard employee-specific rate. Marriott's own help page describes the field they go into as Corp/Promo Code or SET#, a unique alphanumeric identifier used to unlock specific discounted rates — which is precisely why they get mistaken for corporate codes.

The paperwork is different, and that is the practical difference. A corporate code points at an agreement between an employer and Marriott, and the desk checks that you belong to that employer. These four point at employment by Marriott itself: on the same panel, guests using the MMP rate are described as having to present an Explore Authorization Form generated by the employee, plus photo ID or a Marriott ID, at check-in. Same field, different document, different group of people — so typing one of them because you found it beside a list of company codes is asking for a rate you cannot document.

None of the four is in any table on this site. We searched every brand page and all twelve code files behind it on 10 October 2026: MMP, MMF, MM4 and MMA appear nowhere. That is deliberate. This site lists negotiated company codes, and an employee rate is not one. If a three-letter code you found starts with MM, work out which family it belongs to before you put it in the Corp/Promo Code or SET# field.

What the search itself returned. We ran marriott corporate codes and marriott corporate code in a signed-in browser on 10 October 2026. Six domains appear in both top tens — marriott.com help pages, milepro.com, goingawesomeplaces.com, scribd.com, hoteldig.com and facebook.com — and the leading third-party code list is the same in both. Two results in the plural top ten are not code listings at all: a Condé Nast Traveller promo-code round-up and Google's own AI answer panel. Scribd is a document host and GitHub is a code repository; neither is counted as a listing here. Neither run turned up a code we do not already carry, so no row was added or removed today.

The fourth question on that panel, “How to get a Marriott corporate code?”, is answered on our FAQ: you do not obtain one, your employer issues it.

Answer panel read 10 October 2026; every brand page and all twelve code files re-checked the same day.

What five mornings of this search returned — and the code site that never appeared

We have now re-read one capture of this search from each of five dates — 4, 10, 15, 20 and 22 October 2026 — taken in a signed-in Chrome and parsed again with the same script. Today we also ran the same search three times in one morning: marriott corporate codes with no extra word, then marriott corporate codes list — today’s batch phrase — then marriott corporate code list. Seven spellings of one question now sit behind this table. The same seven domains came back on all five dates, and corporate-codes.com — one of the three sites we measure this page against — has now been absent from eleven runs on five mornings.

The 22 October column comes from the run with no extra word, marriott corporate codes — the same spelling as the 10 and 20 October columns, so those three compare like for like. Asterisks mark a position taken from a second spelling on the same day: today that is marriott corporate codes list for hoteldig.com and aeropenguin.com, and marriott corporate code list for cliffsnotes.com, none of which appears in the run with no extra word. The two marriott.com rows are listed separately because they are two different help pages answering two different questions. Google’s own answer block took one slot today and is not a domain; the discussion thread that carries no site name is counted under reddit.com, as it is in every column here.

• The same seven domains have come back on all five dates. goingawesomeplaces.com, milepro.com, the r/marriott discussion thread, marriott.com’s “How Do I Book My Marriott Corporate Rate?”, scribd.com, github.com and cntraveler.com appear in every column of this table. Two others miss exactly one: hoteldig.com, absent on 4 October and again from today’s run with no extra word, and facebook.com, which held a place in the first four columns and appears in none of today’s three runs — the first time it has been missing from a Marriott capture altogether.
• The brand’s own help page took the top slot today for the second time. “How Do I Book My Marriott Corporate Rate?” was fifth on 4 October, second on 10 October, first on 15 October, second on 20 October and first again today. The other marriott.com page, “What is a Corp/Promo Code or SET Number?”, is the only result in any of these captures that tells you what the field on the booking form is actually called — no code list in the top ten does — and it has now been missing from two baselines in a row, 20 and 22 October.
• The result Google puts highest here is still a conversation, not a list. “What’s the most discounted code have you ever seen/used?” from r/marriott led the 10 and 20 October columns, was second on 15 October and is second today. It carries no code. It is people asking other people how far a discount goes — the question the tables above answer badly and the listings do not answer at all.
• One of the three sites we measure this page against has still never appeared: eleven runs, five mornings, zero. corporate-codes.com answered HTTP 200 when we checked it today, and it is named as one of the four listings behind the ACC row in the verified table — the only row in this brand’s file that records its sources by name. It ranked in none of the runs behind any of these five columns. On our Hilton page it took a position for the first time on 14 October. Being a source and being shown are two different things: we count it because its numbers agree with others, not because Google ranks it.
• Today’s new word is list, and what it did was bring two sites in and take one out. The run with no extra word returned eight domains and no hoteldig.com; both runs containing the word put it sixth and seventh. It is one of the three sites this page is measured against, and direct requests from this network have now returned 403 fifteen times, today included, so nothing from it has entered any table here. The other arrival is aeropenguin.com, ninth in both list runs — its first appearance in any Marriott capture we have taken, and a site we dropped source-wide on 2 October for carrying numbers with no date and no account of where they came from. What left was upgradedpoints.com, fifth in the baseline and in neither list run.
• Three of the eight domains in today’s baseline carry codes at all. milepro.com and goingawesomeplaces.com are lists; marriott.com’s help page tells you where a code goes. The other five are a document host with nobody maintaining the numbers (scribd.com), a repository our own rule excludes (github.com), a promo-code round-up this page does not publish (cntraveler.com), a discussion thread (reddit.com) and a news piece about eligibility checks (upgradedpoints.com). Add the word list and that count moves to four, because hoteldig.com arrives — but so does a site we have already dropped.

So what does the word list do to this search? We ran it three times this morning. The baseline, marriott corporate codes, returned eight domains across nine slots. Both runs containing the word returned nine domains, and the arrivals are the same in both — including the one site in our benchmark set that the baseline left out.

Three runs in one morning, in a signed-in Chrome, parsed with the same script: nine slots in the baseline of which one is Google’s own answer block, nine in the plural list run with no block at all, and ten in the singular list run of which one is a block. facebook.com and the marriott.com page that names the booking field appeared in none of today’s three runs, so neither has a row here.

• Adding one word moved three slots, and not all of them the same way. upgradedpoints.com, fifth in the baseline, is in neither list run. cntraveler.com holds on at eighth in the plural but is gone from the singular, which puts cliffsnotes.com tenth instead — a study-guide site’s PDF page, which returned 403 to a direct request today and has not been read. The two that arrive in both runs are hoteldig.com and aeropenguin.com. Choosing the singular over the plural changes which listings leave; it does not change which ones arrive.
• The word that brings one of our three benchmarks back is the word inside today’s batch phrase. hoteldig.com has now appeared in three of the five baseline columns — 10, 15 and 20 October — and is missing from today’s. Ask for a list and it returns, at sixth and seventh. We still have not read a single row from it: fifteen direct requests, fifteen 403s. Appearing in a ranking is not the same as being a source, and this page counts sources.
• One of the arrivals is one we removed ourselves. aeropenguin.com was dropped from every table on this site on 2 October: the numbers on its Marriott page carry no date beside them and no account of where they came from, and the same numbers turn up on mirror sites with different padding. It answered HTTP 200 today and it ranked ninth twice. Neither of those changes anything — a domain does not become a source by being listed, and no code from it has been added to either table on this page.

“What are the best Marriott corporate codes?” — a question Google generated for the 20 October plural run, and one it had not asked us before. There is no best code, and the shape of our own table is the evidence. The verified table carries 65 rows: 49 of them rest on exactly two listings, which is the minimum that puts a code on this page at all; 13 are carried by three; and 3 are carried by four — A.T. Kearney ATK, Accenture ACC and American Express AMX. No row here rests on five. That is the only ordering we can defend, and it measures how well documented a code is, not how much it saves: a Marriott code is a key to one employer’s agreement, and the discount is whatever that agreement says. A stranger’s code is not a better code — it is someone else’s, and the consequences of using one are set out on our FAQ.

“What are the Marriott corporate codes for 2026?” — one of the questions Google generated for the 15 October search, and one it asked again today. The year in it is Google’s, not ours: no listing in the top ten prints a date per row. Here is ours. The verified table carries 65 rows and every one of them says Sep 2026. The check-first table carries 60 rows and prints no date at all, which is the honest state of a code that only one listing carries — nobody has re-checked it. Exactly one record in this brand’s data carries an October date: the Accenture entry, ACC, re-checked when that section was written on 1 October 2026. A code does not expire on 1 January. It dies when the employer renegotiates or the brand stops honouring it, and neither of those is a calendar event. So “the 2026 list” is not a separate thing that exists. What exists is the month each row was last checked, and on this page that month is September 2026 for all 65 dated rows.

Two more of the questions Google has generated for this search are answered elsewhere on this page, and one of them is the reason this section exists. “How do you get a Marriott corporate code?” — your employer issues it; nobody else can, and the full answer is on our FAQ. “Can anyone use the MMP Marriott code?” — no, and the reason is in the section on MMP, MMF, MM4 and MMA above: those four are Marriott’s own employee rates, not an agreement with an employer.

Both runs containing the word list came with the same four questions. Three of them we have answered already: “What is the Marriott MM4 code?” and “What is the MMP code for Marriott?” in the employee-rate section, “What is the Marriott G2D code?” in its own section above, and “What are the Marriott corporate codes for 2026?” just above this paragraph. The fourth is one we had not met in this wording before.

“How to find Marriott corporate code?” — new wording today, and it arrived with both spellings that contain the word list. The honest answer is that you do not find one that works for you; you are given one. Marriott issues these codes to companies, the company passes it to its own travellers, and it goes into the field the brand’s own help page calls Corp/Promo Code or SET# — the only page in any of these captures that names it, and the one that has now dropped out of two baselines in a row. What you can actually find is three things: whether your employer has one at all, which is a question for whoever books your travel; what the field is called once you have a code; and which companies are known to hold an agreement, which is what the two tables above are. Neither table is a code you can use. The full answer is on our FAQ.

Captures re-read 22 October 2026: one each from 4, 10, 15 and 20 October, three from today. No code was added to or removed from either table.

Restrictions (as the listings state them)

• Corporate rates are tied to a company's negotiated agreement. You can use a code only if you have a legitimate business affiliation with that company — as an employee, a client, or a supplier the company has cleared.
• Expect to prove it at check-in: a company ID, a work email address the hotel can verify, or other quick proof. Hotels increasingly verify eligibility, and enforcement is uneven by region.
• A code being listed is not permission to use it. If the hotel determines you don't qualify, it can reprice your booking to the best public or loyalty rate.
• Most corporate rates are intended for business travel. Leisure trips are a gray area, and some leisure destinations won't honor the code at all.
• Availability varies by property and date. Not every property shows every corporate rate even when one exists.

Last updated: September 2026.

How we checked the Marriott codes

This is the largest pair of tables on the site: 65 codes reached the verified table and 60 more sit in the check-first table. The split is decided by the same rule used everywhere here — at least two independent listings have to agree — but what the 60 break down into is worth knowing, because the three reasons are not equally serious:

• 44 are listed in one source only. Nothing contradicts them; nothing corroborates them either.
• 12 are cases where two listings disagree — the same company given two different codes, each carried by one listing.
• 4 are flagged unverified by the listing that carries them (Alibaba A7A, Apple APL, Cisco CIS, DaimlerChrysler DCX). A source doubting its own row is a different signal from a source that simply has no competition.

Two independent listings agreeing is what moves a code into the verified table. On this page that happened 65 times, which is more than for any other group here — Marriott has the most negotiated agreements in circulation, and the most listings writing about them.

The rules behind that split — what counts as an independent source, and when a listing gets dropped entirely — are set out on how we verify a code.

Cross-check details last reviewed: October 2026.

Why Marriott's codes are letters, and why that makes them harder to verify

Marriott does not use account numbers. All 65 confirmed codes on this page are letters — usually three, usually the company's own initials: ACC for Accenture, DTC for Deloitte, AMX for American Express, MMM for 3M, DIS for Disney, CIT for Citigroup. Compare the other groups: Hilton prices on N-codes, IHG on six- and nine-digit numbers, Wyndham on ten-digit numbers. Marriott is the odd one out, and that single fact explains almost everything in the check-first table.

A wrong number usually looks wrong. A wrong letter code does not. If a listing prints an IHG code with a transposed digit, the number is still nine digits long and there is at least a length and a shape to compare against. If a listing prints Pfizer as PFZ instead of PFE, both look equally like Pfizer. Same for Shell at SHL against SHE. There is nothing on the face of the code that tells you which one is real.

So it is not a coincidence that every one of the twelve disagreements on this page is a letter code:

• Pfizer — PFE against PFZ, one listing each.
• Shell — SHL against SHE, one listing each.
• Oracle — ORA against SUN. Two completely different strings, neither corroborated.
• Intel — INL against IBS.
• Cisco — three different readings circulate: CIS (carried by three listings but flagged unverified by one of them), 260247 and 13365.
• Bristol-Myers Squibb — BMS (two listings) against 5298 (one).
• CVS Health — CVS (two listings) against 283335 (one).

What to do with this. If your own travel desk gives you a Marriott code, use it — that is the only source that can be authoritative about your own agreement. If you found one on a listing site, the two-to-three-letter form is a hint that it is genuine in shape, but it tells you nothing about whether the letters are right. That is precisely why the bar on this page is two independent listings rather than one.

Cross-check details last reviewed: October 2026.