Credential Consulting

Tired of sifting through CFRs and NMC checklists wondering if you have enough sea time or completed the necessary requirements for an upgrade? Have you experienced delays or even have a license expire due to an issue with a previous application?

Diamond Marine Services offers a unique service with former National Maritime Center evaluators on our credential consulting team.

Once you partner with our consulting team, Diamond Marine Services will:

  • Ensure you apply for the highest possible credential
  • Pre-fill any required forms so all you have to do is sign the application
  • Collect, organize, and prepare all medical, drug test, sea service, and course completion certificates for submission
  • Vet your application prior to submission to ensure all forms are properly filled out
  • Pay any USCG evaluation and issuance fees (optional)
  • Electronically file your application directly with the USCG
  • Reduce hassle by handling communication with the NMC on your behalf
  • Represent you through a formal appeal process, if necessary
Diamond Marine Services not only takes all the hassle out of applying for an original license, raise-in-grade, modification or renewal, we formally evaluate your application by a professional using the same process as the NMC. We submit your credential with the USCG and support you until it is issued.

How does this work?

We keep our costs low by handling the entire process electronically. From document collection to application submission, everything is done online. Paper applications submitted to our office are subject to extra charges. Throughout the process, our staff is available via email, phone or text to help you along the way. Most applications follow this basic system:

    1. Determine what tier your application falls into (see info below) and pay the corresponding consulting fee to Diamond Marine Services.
    2. Proceed to our START submission page to transmit all the required information for us to begin putting together your application.
    3. Receive a fully completed application for simple signature capture.
    4. Coordinate the payment of appropriate USCG fees with our staff.
    5. Work closely with our experienced evaluators to close any open items that may prevent submission.
    6. Diamond Marine Services staff then transmits your application to the USCG on your behalf and remains available for you until you are either approved to test, or if no test is required, until your credential is issued!
Our team prides itself on working diligently to represent you. If you find yourself in a situation where you need immediate attention and help to get your credential submitted to the USCG, consider our optional RUSH service at the bottom of this page.

Check out some recent reviews of our credential consulting

Avg: 5.00 Stars based on 124 reviews.
Reviews Date
Highly recommend
September 5,2022
I don`t leave many good reviews. But this team needs to be recognized. This is well worth the money and then some. Great team of people very organized and will walk you thru the process with no issues. Cant say enough about them.

-- Jason
Huge help!
September 1,2022
My husband and I both used Sam`s team to file our paperwork. His knowledge of the requirements and great organization made everything so easy. Do not waste time trying to do this yourself - it`s worth every penny to have Diamond Marine Services do it for you! Thank you, Jess and Russ

-- Jess and Russ P
Master captain
August 19,2022
Diamond marine services is the best sams crew goes over and beyond they are great thank you so much for all you have done thanks Tim

-- Tim Mulherin
Sam and his team ROCK!!
August 17,2022
Sam and his team at DMS are marvelous. They are on top of everything and provide amazing guidance. Sam is the NICEST guy in the industry and an encyclopedia of knowledge. Anyone getting a credential will find the money so well spent.

-- Gregg Clark
Great service
July 19,2022
Diamond Marine Services will help you every step of the way. The process can be overwhelming trying to navigate everything on your own. They are experienced and know what needs to be done, when to do it, and they follow through. I would recommend their services if you would like a stress free application process.

-- Jake K
Check out our REVIEWS page for more!

How much does this cost?

The cost of our service depends on the application we are preparing on your behalf. The consulting fees are broken out into three tiers. At the bottom of this page, you can choose additional optional services.

Tier 1

  • Original Entry Level MMC to include OS, Wiper, Steward`s Department and Food Handler
  • Duplicate Credential


Tier 2

  • Original MMC with a rating such as AB, QMED, Lifeboatman, Tankerman
  • Renewal of any credential with rating endorsements and/or officer endorsements
  • Modification or Increase-In-Scope- Any rating or officer endorsement


Tier 3

  • Raise-In-Grade – Officer endorsements
  • Original MMC – Officer endorsements


Ready to submit your information?

If you`re ready to begin the process, the Start Here button will direct you to our submission form to provide us with all the information we need to get your application going!

What if I only need some guidance?

Sea Service Evaluation
Are you are considering an upgrade or renewal and not quite sure if you have enough sea service? Do you want to upgrade your credential in the future and want some guidance as to what can you do to prepare or what you qualify for? If so, then you should check out our SEA SERVICE EVALUATION.


PAY.GOV Processing
Enable our staff to process the appropriate USCG application & issuance fees on your behalf. The exact amount of the fee for your application will be coordinated with you prior to submission.


Sea Service Evaluation
The Sea Service Evaluation allows you to submit sea service records as a first step to see what credential you qualify for. It may also be used to answer the question: “if I want to go for a higher license, how much time and on what tonnage does it have to be for me to qualify?”

NOTE: $100 CREDIT will be issued towards a future application!


RUSH 48 – 2 Business Day turnaround
The RUSH fee guarantees a fully prepared application for USCG submission within 2 business days. Application submission is only possible if the mariner provides us with all required documentation and presumes the submitted information is in order.


Records Request Service
This optional service enables the credential consulting team to request records of previously submitted certificates and applications from the National Maritime Center on your behalf


Scanning & Handling Service
Paper application processing option for mariners that prefer to mail supporting documentation to our office