Is my PADI/SSI/RAID accepted everywhere? Global recognition explained

Why cross-recognition works

The recreational dive industry sits under a coordinating body called the World Recreational Scuba Training Council (WRSTC). It’s not a regulator — it’s a standards body that PADI, SSI, RAID, NAUI, SDI, BSAC, and most other major agencies are members of. WRSTC sets the floor for what an Open Water Diver, Advanced Open Water Diver, and Rescue Diver must learn and demonstrate.

Because every member agency meets the same floor, the resulting certifications are functionally interchangeable. A PADI Open Water diver and an SSI Open Water diver have done the same skills, passed equivalent theory, and earned the same depth privileges (18m). There’s nothing meaningful in one that’s missing from the other.

This is why dive shops can confidently take your card from any major agency: they know what’s behind it. The card is a proof-of-training summary; the WRSTC standards are the actual contract.

A handful of small specialty agencies sit outside WRSTC but still recognized in practice — GUE (technical), IANTD (technical), TDI (technical). These rarely come up for recreational divers.

What a dive shop actually checks

When you show up for a fun dive somewhere, the typical paperwork is short:

1. Your certification card (physical or digital) — they note the agency, level, and certification date.
2. Your dive log or a recent-dive declaration — when did you last dive? If it’s been 6+ months, most shops offer or require a refresher dive before sending you to depth.
3. A medical declaration — the standard RSTC liability form, asking about heart, lung, ear, and medication issues. Updated regularly; the 2020 version is what most shops use.
4. A liability waiver — local form, varies by country and operator.
5. Optionally, a quick skills check — buoyancy, mask clearing, regulator recovery. Common at conservative operators or for divers who haven’t been wet in a year.

That’s it. The shop is not contacting your training agency for verification. They’re trusting the card the same way a hotel trusts a passport — it’s evidence, not a real-time check.

The only time agency verification happens is when a card looks fake, a diver has zero log evidence and claims a fresh advanced cert, or there’s a legal incident afterwards. In those rare cases, the shop can contact PADI, SSI, or RAID and confirm a card number against their database — agencies do maintain records, they just don’t share them between each other.

What if you lose the card?

Common, easily fixed. Every major agency offers a digital replacement card you can pull up on your phone:

• PADI — the PADI app shows your e-card after you log in. eCard fee is around US$15 if you also want a new physical card mailed.
• SSI — the MySSI app shows your e-card and full training history. Free with a verified account.
• RAID — everything’s already digital. Log into the RAID portal, your cards are there.
• NAUI / SDI / BSAC / CMAS — most have similar digital reissue, sometimes for a small fee.

For a holiday dive trip, an e-card on your phone is fine. Some traditional shops still prefer physical cards, but it’s increasingly rare. If you’re going somewhere remote with patchy internet, screenshot your e-card before traveling.

Regional patterns — which agencies dominate where

The card itself works everywhere, but you’ll see different agencies more or less frequently depending on the country. Useful to know when picking a course or a continuing-education provider abroad:

A few more specific notes:

Egypt — Red Sea operators are roughly 50/50 PADI and SSI. Both are fully equivalent there. Some Russian-owned operations in Sharm and Hurghada also accept CMAS happily.

Greece, Spain, Italy — SSI is increasingly common, especially in Greece. CMAS still has presence in club-affiliated operators. PADI is fine everywhere.

Maldives — PADI strongly dominant, partly because most resorts run their dive operations under PADI 5-star Centre branding. SSI and RAID accepted without issue.

Australia — PADI heaviest, SDI has a real presence (cheaper), SSI growing. Strong regulation by the local maritime authorities means all operators are tightly compliant.

Russia and former Soviet states — CMAS has legacy strength from the Soviet-era federation structure. PADI and SSI are accepted but you’ll see more CMAS-trained divers locally.

Japan — PADI is dominant for the same reason as in the West. SSI has presence in Okinawa.

Cold-water diving (UK, Scandinavia, Canada) — BSAC, the Nordic federations, and CMAS national bodies are common alongside PADI/SSI. Drysuit specialty cards from any agency are recognized.

When recognition actually fails

In practice, the cases where a card gets rejected fall into a small set of categories. None are about PADI-vs-SSI politics.

Made-up certifications. Anyone offering you a “scuba certification” without WRSTC-member agency backing — sometimes through a local instructor with no agency affiliation, sometimes through a fly-by-night online “course” — is selling you a card that nobody will accept. If the agency name doesn’t appear on a major directory (WRSTC, RSTC, or a national federation list), assume the card is worthless.

Very old cards. A pre-1980s certification from an agency that no longer exists may not be recognized. The diver in question typically also hasn’t dived in 40 years, which means a refresher would be needed anyway. PADI specifically accepts old PADI cards from any era — if you certified in 1972, your card is still valid, you just want a refresher before the boat ride.

Agencies that no longer exist or have been discredited. A few small agencies have folded or had their accreditation pulled over the years. If you’re holding a card from one of these, you may need to “cross over” to a current agency — usually a simple administrative step with a small fee, not a re-certification.

Misread regional cards. Sometimes a shop in Thailand has never seen a CMAS card from a Bulgarian federation, or a Caribbean operator has never seen a BSAC card. They’re not refusing — they’re checking. A quick verification email from your agency, or a screenshot of the WRSTC member list showing your agency, usually resolves it in minutes.

If you ever do get pushback, the first move is to ask “what specifically are you concerned about?” Most refusals are misunderstandings rather than judgments on your card’s quality.

Specialty and advanced cert recognition

The same WRSTC-based recognition applies up the certification stack:

• Advanced Open Water from any major agency is accepted everywhere, with the standard 30m depth privilege.
• Rescue Diver is recognized as equivalent across agencies.
• Specialty courses (Deep, Wreck, Nitrox, Drysuit, Sidemount, etc.) — generally recognized, but a few specialties have specific recognition quirks. Nitrox especially: some agencies’ Nitrox cert allows blends up to 40%, others up to 100%. The shop will check what your specific card permits before filling a tank.
• Technical certifications — recognition gets stricter as you go up. A TDI Trimix card and an IANTD Trimix card are equivalent in practice, but a technical operator will look at your specific qualifications and dives more carefully than a recreational shop.

Bridging between agencies for advanced courses is straightforward. You don’t re-do prerequisites — you show the equivalent prior cert and the new agency accepts it. Some agencies charge a small “crossover” fee, particularly when bridging into their professional ranks.

The dive log question

Most agencies suggest divers maintain a dive log. Most divers maintain it for the first few years, then drift. Most shops ask about recent diving rather than auditing your logbook in detail.

Useful options for keeping a log without dragging a paper book around:

• MySSI app — auto-logs from compatible SSI dive computers and lets you add manual entries
• PADI app — similar, integrates with PADI-branded computers and accepts manual entries
• DiveBoard, DiveBuddy — independent platforms, work with any agency, export PDF logs
• Subsurface — open-source log software, popular with technical divers, imports from most modern computers
• Garmin Dive, Shearwater Cloud — proprietary apps tied to specific dive-computer brands, often the easiest if you own one

A digital log on your phone is more useful than a paper log in your suitcase. Even a one-line note per dive (date, location, max depth, conditions, anything notable) is enough for shops to assess your experience.

Refreshers and lapsed divers

If you haven’t dived in 6+ months, a refresher is recommended — not a re-certification. Options:

• PADI ReActivate — half-day program, theory review plus a pool session, then a “current diver” status that resets the lapse clock. Costs around US$50–100 depending on location.
• SSI Scuba Skills Update — same idea, no formal certification but a logged session that satisfies most operators.
• Informal refresher — many shops will let you do an easy pool dive with an instructor for half the price of a formal refresher. Sometimes this is bundled into your first day of a multi-day fun-dive trip.

You don’t need to re-take Open Water unless your skills are genuinely gone, which is rare. Even after a decade out of the water, most divers find that one supervised pool session brings most of it back.

Common myths worth correcting

A few persistent misconceptions:

• “PADI cards work everywhere, SSI cards don’t.” False. SSI is recognized at every reputable shop in every dive destination. Holdouts are vanishingly rare.
• “I need to recertify if I switch agencies.” False. Cross-acceptance is the default. Bridging is administrative, not a course retake.
• “My card expires after X years.” False, with the exception of some technical specialties. Your Open Water cert is good for life. Skills lapse, the card doesn’t.
• “Dive shops can look up my certification online.” True for shops that have an account with your specific agency. Not all shops do, but most can verify via a quick email if asked.
• “Junior cards convert automatically to adult cards.” True for PADI and SSI — your Junior OW becomes a full OW at age 15. No fee, no extra training. Just request the upgrade.

If a shop refuses your card

In 99% of cases, the issue is recognition rather than fraud. Try, in order:

1. Show your agency’s website on your phone, with the WRSTC member designation visible.
2. Pull up your e-card in the agency app, which usually shows additional metadata.
3. Email your agency from your phone — most agencies respond to “please verify card #XXXXXX” within hours.
4. If still refused, contact the operator’s manager or owner. Front-desk staff sometimes don’t have the authority to accept unfamiliar cards.
5. Worst case, find another shop in the same town. Dive destinations always have multiple operators.

Genuine certification fraud — counterfeit cards from real agencies — does exist but is rare. The much more common scam is fake “certifications” from non-WRSTC agencies, which is why sticking with PADI, SSI, RAID, NAUI, SDI, BSAC, or CMAS is the safe path.

So what should you actually do?

Pick the agency that fits the shop you trust. Once certified, dive anywhere — the card works. Don’t agonize over agency choice based on global recognition; that question has been solved for 30 years.

The real variables in your future diving aren’t the logo on your card. They’re keeping current, picking good operators, staying within your training, and treating the medical questionnaire honestly. The card opens the door — what you do once you’re through it is on you.

Ready to start?

We compare 10 dive shops on Koh Tao across PADI, SSI, and RAID. Whichever agency you pick, you’ll get a card that works at every reputable operator globally. Choose based on the shop, not the logo.