A crewing agency is a company that supplies qualified personnel to offshore contractors, usually per campaign rather than on a permanent contract. It handles certificate verification, medical clearances, visas, travel and often payroll itself, and charges the contractor for that service.
Anyone looking for their first offshore job usually goes about it the wrong way: sending CVs to the big contractors and waiting. The reality of the sector is that a very substantial part of hiring doesn't go through that route at all, but through crewing agencies, and understanding how they work changes your search strategy quite a bit.
What a crewing agency is
Crewing comes from crew, crew. A crewing agency is a company whose business is having qualified personnel available, verified and ready to embark, for other companies that need them intermittently.
The reason they exist is purely economic. An underwater services contractor has an irregular workload: it wins a two-month project in one place, then a six-week one somewhere else, and has nothing in between. Keeping all the staff needed for peak activity on permanent payroll would be ruinous. The agency absorbs that variability.
What it actually does
Credential verification
This is probably its most valuable function for the contractor. The agency checks that your diving certification is genuine and current, that your medical clearance is within date, that your offshore survival certificates haven't expired, and that your dive logbook is consistent. A contractor can't afford to get this wrong, because any incident ends up in a paperwork audit.
Administrative handling
Visas and work permits, flights, accommodation at the embarkation point, insurance, and in many cases payroll and tax withholding depending on the country. For a job that means flying to Aberdeen, Macaé or Dubai with two days' notice, that administrative machinery is worth paying for.
Availability pool
The agency keeps a database of personnel with their qualifications, experience and availability. When the contractor asks for three saturation divers with a specific certification to embark in ten days, the agency needs to be able to deliver.
How it differs from a job board
A job board posts vacancies and puts you in touch with whoever's hiring. That's where its role ends. A crewing agency is an active party in the employment relationship: in many cases your contract is with the agency, not the contractor, and it invoices the client for your work.
That has practical consequences. The agency has an ongoing interest in you performing well, because its reputation depends on the personnel it supplies. And since your track record stays on file with it, a good performance on one campaign translates into more calls.
The trade-off is that there's a middleman between you and the end client, taking its corresponding cut.
The per-campaign model
Offshore doesn't run on permanent contracts for most operational personnel. It runs by campaign: you're hired for a specific project, with an embarkation date and an estimated duration, and once it ends you're available again.
A typical working year can be a succession of campaigns of varying length with periods ashore in between. It's a model that pays well per day worked, but that requires managing irregularity: gaps between campaigns, your own tax position, social security contributions and health cover are largely your own responsibility.
That's one of the reasons the sector's gross earnings figures are misleading if you don't look at the days actually worked. We go into it in how much a saturation diver earns a year.
Who they are
The sector has agencies that specialise in diving and industrial underwater personnel, and others that are more general energy and maritime recruiters. Names that come up frequently in the offshore space include Atlas Professionals, Faststream Recruitment and WRS, among others.
This isn't an exhaustive list or a recommendation: the useful criterion is checking which markets each one operates in and whether it regularly works with the contractors in the area you're interested in. We keep updated references in the empleo and the list of contractors in companies.
How to register properly
Have your paperwork in order first
Registering without your paperwork up to date is a waste of time. The minimum is usually a current commercial diving certificate, an in-date medical clearance, the offshore survival certificates required in your market, an up-to-date dive logbook, and a passport with enough validity left.
The dive logbook matters a lot
For saturation, the number of hours of lock-out accumulated is the metric that defines you professionally. Keep it scrupulously up to date, signed and with no gaps. It's the first thing anyone looks at.
A CV tailored to the sector
An offshore CV isn't a corporate CV. What gets read is: certifications with issue and expiry dates, the types of operation you've taken part in, depths and equipment you've worked with, logged hours, vessels and contractors you've been with, and geographic availability. No flourishes.
Register with several and stay visible
Being with just one agency limits your opportunities. Register with several that operate in your target market and update your availability regularly. Inactive profiles drop out of searches.
Respond quickly
When an agency calls, it's usually with little notice. Genuine availability and how fast you respond are, in practice, part of your professional value.
Warning signs
The sector is mostly reputable, but you need to be able to spot what isn't. A legitimate agency charges its client, not you: be wary of anyone who asks for money to register you or to "manage" your placement.
Also be wary of anyone who promises guaranteed work, who isn't transparent about who the end client is or about the contract terms, and who pressures you into accepting a berth without the right certification. That last one isn't just bad practice — it's a direct risk to you.
What to realistically expect
Agencies place people who have proven experience. For a newly certified diver with no logged hours, registering with agencies is a necessary step but rarely enough on its own to land the first berth.
The first job usually comes through other routes: direct contact with local contractors, surface-supplied and inland diving to build up hours, contacts made at school, or a physical presence at the sector's hubs. We cover it in how to get your first job as an offshore diver.
Once you have experience, agencies become the main channel. The sector's logic is cumulative: the first hours are hard to get, and past a certain point the work starts coming on its own.
How an agency sees you
It helps to understand the logic from the other side. An agency makes money placing personnel and loses it when someone fails: if a diver doesn't show up, underperforms or creates a safety problem, the client remembers it, and the agency loses contracts.
That's why they value things that don't appear in any job description: responding fast, keeping your paperwork current without having to be chased for it, not causing surprises at embarkation, and having the contractor ask for you back. That last point — the client requesting you by name — is what turns a diver into someone the agency calls first.
Certificate expiry
It's the silliest and most common reason for losing a berth. Medical clearances, survival certificates and other accreditations have expiry dates, and a job offer with ten days' notice doesn't leave time to renew anything.
The sensible practice is to keep your own calendar of expiry dates and renew months in advance, not once they've already lapsed. Keeping your paperwork current during periods without work costs money, but it's part of the cost of being available.
Questions worth asking before you sign
Before accepting a berth, there's information you have a right to know, and that a serious agency will give you without any trouble: who the end client is and which vessel or installation you'll be working on; what type of operation it is and at what depths; what the expected duration is and what happens if the project runs long or gets cancelled; how and when you get paid, in what currency, and who covers the bank fees; who pays for flights, accommodation at the embarkation point and per diems; what insurance you have and exactly what it covers in the event of an accident; and under what jurisdiction the contract is signed.
If an agency dodges these questions or answers vaguely, that's information in itself.
Agency vs direct employment
Some contractors keep their key personnel — supervisors, life support technicians, very experienced divers — on their own payroll, and use agencies for the rest. Being hired directly usually means better job stability, paid training and internal progression.
The usual route to get there is through the agency: you come in as supplied personnel, prove yourself over several campaigns and, if you're a good fit, the contractor eventually offers direct employment. It isn't the norm for everyone, but it's a reasonable medium-term goal, and it ties into the career progression described in how to become a commercial diver.
Frequently asked questions
Does a crewing agency charge the diver?
No. A legitimate agency invoices its client, the contractor, for the personnel supply service. Being asked for money to register you or to manage your placement is a clear warning sign.
Is the contract with the agency or with the contractor?
It depends on the model. In many cases the employment or commercial contract is with the agency, which invoices the contractor for your work. In others the agency only handles the introduction, and you contract directly with the end client. Confirm it in writing before you embark.
Can I register with several agencies at once?
Yes, and it's the recommended approach. Being with just one limits your opportunities. Register with several that operate in the market you're interested in and keep your availability up to date, because inactive profiles stop appearing in searches.
Is an agency useful for landing your first job?
Rarely on its own. Agencies mostly place personnel with proven experience. For the first berth, direct contact with local contractors, work in surface-supplied or inland diving to build up hours, and contacts from school tend to work better.
What documentation do they ask for to register?
A current commercial diving certificate, an in-date medical clearance, the offshore survival certificates required in the market, an up-to-date and signed dive logbook, and a passport with enough validity left. Without that, registration doesn't move forward.
Published 20 August 2026 · By Arthur More, professional saturation diver
Photo: Dennis S. Hurd · CC BY via Openverse