The first hurdle to earning your sommelier pin is cutting through the jargon, the hyperbole, and the hype. The first important step is to understand that there is no single path to earning your wine credentials. There are over six sommelier certification agencies, and each uses different terminology and offers a unique teaching format.
This guide is designed to cut through that confusion and give students a solid foundation for choosing the perfect path toward sommelier certification.
Sommelier certification has come a long way. Somms have left the restaurant floor and are thriving in every corner of the wine and restaurant trades. Sommeliers are like journalists: you don’t need a credential to do the job, but it always helps.
There is no such thing as a government-required wine degree: sommelier certifications are issued by private agencies and should never be confused with a university degree or a government license.
Each of these agencies has a different protocol for issuing certifications. Are exams online or in person? Do you have to attend wine classes in person or online? Are classes even required? Is blind tasting or proficiency in restaurant service more important? It’s important to understand the difference between the major sommelier-certification agencies before you make the jump.
The labeling of sommelier levels is byzantine. Each agency uses its own terminology: one will call a credential “Certified,” while another will call a similar certification “Intermediate.” The same is true for “Advanced,” “Diploma,” and “Specialist.”
Then you can layer in the trademarks that some agencies protect like Fort Knox. For instance, “Master Sommelier” is a federally registered trademark of the Court of Master Sommeliers.
To address this issue, SOMM uses a simplified five-level framework—Levels 1 through 5—to compare wine credentials across agencies. This way, we can carve away the marketing terminology and exclusive trademarks that some agencies possess. For more information, refer to the detailed descriptions toward the bottom of this page.
How WSET, NWS, and CMS Differ
The differences among these three agencies are significant and worth considering before you start your wine education. The Wine & Spirit Education Trust (WSET) is a British exam board with an international network of Approved Programme Providers (APPs). The Court of Master Sommeliers (CMS) is another British exam board that is focused exclusively on restaurant service. They do not offer wine classes or a network of schools. The National Wine School (NWS) is an American-based trade school with a small network of wine schools and colleges.
Certification and Education Are Not the Same Thing
A sommelier credential tells the world what level you graduated at, but the right wine school will get you there. This is why we rate and review both wine schools and sommelier credentials: you need both to succeed.
Also, some agencies simply offer the ability to take a sommelier exam without attending classes. At SOMM, we strongly recommend against this path for financial reasons. Advanced sommelier exams often have low pass rates, and each failed attempt can add up to exam, travel, wine, and lost-work costs. In the long run, it is usually cheaper to attend wine school before attempting a sommelier exam.
When it comes to wine schools, choose one that fits your vibe. We recommend reviewing the quality of the faculty, the curriculum design, and the wine tastings. All of these matter significantly to your outcomes.
We also recommend checking out the people who attend the classes, since that will tell you a lot about the place’s culture. Are the students happy, well-rounded people? That is a great school.
Online wine education has permanently changed the certification landscape. Level One through Level Three programs are now widely available online, and some agencies also offer advanced sommelier certification programs online.
The highest-prestige legacy credentials—Master Sommelier and Master of Wine—still require controlled examinations, peer evaluation, mentorship, and rigorous tasting assessment. However, some master-level credentials can be obtained online. The agencies that have embraced online certification are those that also work with colleges and universities and have adopted similar distance-education systems.
For students who need flexibility, online wine courses are now a serious option. The best online wine programs still require structured tasting, real assessment, and transparent grading standards.
Certification vs Licensure
No sommelier credential gives you a legal right to work with wine in the United States. No state requires a WSET qualification, CMS pin, NWS certificate, or any other private wine credential to pour, recommend, buy, or sell wine professionally.
The legal side of alcohol service is governed by state alcohol-control rules, seller-server training, responsible beverage service requirements, and licensing laws. Wine credentials operate in a different category. They offer education, professional signaling, industry recognition, and sometimes access to a peer network. They do not function as occupational licenses.
That distinction matters. A credential may be valuable. It may help you get hired. It may give structure to your study. But it is not the same thing as a state-recognized license.
Advice For Selecting a Sommelier Pathway
We strongly suggest that you do not choose a wine credential based solely on the agency. The top three are not interchangeable, and each has different strengths and weaknesses.
The Five Questions to Ask
- Does it include blind tasting, service, theory, or all three?
- Who teaches the course?
- How transparent is the exam structure?
- Will the credential be recognized, both legally and in the trade?
- Will the program be effective and address your learning style?
The best wine programs will match your goals, your learning style, your budget, and the professional market you intend to enter.
Which Sommelier Certification Is Best?
The best sommelier certification depends on your learning style and preferences. For those seeking a career in restaurant or hotel management, CMS is a solid choice due to its laser focus on service and strong reputation in the food industry. For someone looking toward Europe, then its standardized Eurocentric curriculum is the winner. For someone looking for an American-style education focused on the wine trade, NWS is the top pick.
There are also other options, as well. The Society of Wine Educators is an excellent choice for independent study, and the Wine Scholar Guild offers top-notch European credentials. Finally, the International Sommelier Guild offers an excellent alternative to CMS, which has been mired in controversy.
How Much Does Sommelier Certification Cost?
An introductory Level One wine course will cost somewhere between $300 and $600. However, a student should expect to earn a Level Three certification before formally calling themself a certified sommelier. To reach Level Three certification, the cost will generally be between $1,500 and $7,500.
Keep in mind that some sommelier agencies require students to travel to specific locations, supply their own wines, pay for their own books, or even pay for tutoring. These can add up to significantly higher costs and must be considered before making a final decision.
We cover these hidden costs in these two articles: CMS Guide and the WSET Guide.
How Long Does Sommelier Certification Take?
As a rule of thumb, if a level one course can be completed in a day, it is not worth attending. The best will take at least three weeks to complete. To reach a level three certification, the student should expect to spend between two months and six months, depending on the school’s schedule. For an Advanced-level certification, one should plan for a two-year commitment.
In Depth: Sommelier Levels
Level One: L1
L1 is the entry point. These programs introduce the basic language of wine: major grape varieties, core regions, fundamental tasting terms, service basics, and food-pairing concepts.
Most L1 programs are short, accessible, and available online. They are designed for beginners, hospitality staff, wine consumers, and students who want a structured starting point.
Level Two: L2
L2 programs move beyond wine vocabulary into required wine-trade knowledge. These programs typically focus on major grape varieties, key wine regions and styles, winemaking methods, and label reading.
The stronger L2 programs focus on teaching students professional wine-tasting techniques; some will also include blind tasting as part of the final wine exam. Not all programs offer comprehensive wine tasting at this level, but the best ones do. Most students do not stop at L2 but continue to L3.
Level Three: L3
L3 is the professional threshold for many students. At this level, programs require deeper regional knowledge, a more developed tasting method, and a stronger understanding of viticulture, winemaking, wine law, and commercial context.
L3 is the point at which a graduate can identify as a certified sommelier if the agency awards a sommelier credential at that level. WSET does not award a sommelier title. If your goal is to be a sommelier, wine buyer, educator, or winemaker, this is the minimum professional milestone you are generally aiming for.
Level Four: L4
L4 is advanced professional territory. These credentials require a serious commitment to study, tasting practice, and examination.
At this level, students are expected to understand wine in both global and analytical terms. They must be able to explain why wines taste the way they do, how regions differ, how production choices affect style and quality, understand historical context, and how the wine trade functions.
L4 credentials will vary by agency. Some are more theory-driven. Some are more service-driven. Some place greater weight on blind tasting. Others allow the student to choose their own path.
Level Five: L5
L5 is the highest level of wine credentialing in SOMM’s comparison framework. This category includes the best-known elite credentials, such as Master Sommelier and Master of Wine, as well as master-level credentials offered by other private certification bodies.
The Master Sommelier pathway is administered by the Court of Master Sommeliers and emphasizes service, blind tasting, and beverage theory. The Master Pin for Sommeliers from the National Wine School requires four college-level courses and the Advanced Sommelier Pin.
The most famous is the Master of Wine, administered by the Institute of Masters of Wine and emphasizing wine theory, tasting, research, and the global wine trade. The institute is an independent nonprofit that requires applicants to demonstrate advanced, Diploma-level wine knowledge or an equivalent level of expertise, along with relevant professional experience.
In Depth: Wine Certification Agencies
Wine & Spirit Education Trust
The Wine & Spirit Education Trust is the most widely recognized wine-education organization in the world. It does not offer sommelier credentials. Instead, it offers wine qualifications. These are delivered through a global network of Approved Programme Providers and extend through the Level 4 Diploma in Wines.
WSET is very strong on standardization, brand recognition, and market acceptance. Its credentials are especially visible within restaurants, wine shops, and wine schools.
Completing WSET Level 3 and the four-day Educator Training Programme does not, by itself, allow someone to start a WSET wine school. The organization must separately apply for and receive approval as an Approved Programme Provider. Each APP must have an ETP-trained educator responsible for ensuring that it meets WSET’s teaching standards.
Students should be aware that the qualification WSET offers in the United States is substantially different from what it offers in the United Kingdom. WSET states plainly that its qualifications “do not form part of any regulated qualifications framework outside the UK.” In the United States, a WSET award is not a government-backed credential.
The other practical issue is delivery. WSET qualifications are taught through Approved Programme Providers. That model allows global reach, but it also means the student experience can vary by provider. This is one of the reasons SOMM reviews individual WSET schools separately.
National Wine School
The National Wine School represents an American certification model built around flexible delivery, structured online coursework, and partnerships with schools, colleges, and training providers.
Its programs are designed for students who want a professional wine credential without being locked into a traditional classroom schedule. NWS emphasizes modular coursework, online-learning infrastructure, tasting methodology, and integration with institutional partners.
Unlike other private wine-certification bodies, NWS operates as a state-recognized professional school. While being located in Vermont is an odd choice for a wine program, it allows NWS to offer sommelier credentials under state law as well as national trade credentials.
NWS is especially relevant for students seeking an American alternative to British-founded certification bodies. In SOMM’s view, the major benefit of NWS is that it is designed around the American education model, which focuses on experiential learning, rather than the British model of memorization and centralized examination.
NWS is preferred by some colleges that require programs to be integrated into pre-existing educational platforms and want more control over content. NWS schools are expected to innovate and contribute to the network rather than rely on a top-down architecture.
The central distinction is structural. WSET operates through Approved Programme Providers. CMS is built around a service-focused examination ladder. NWS is a standards-based American professional school and certification body with online, institutional, and school-partner delivery. Students should compare those models directly rather than assuming all wine credentials function the same way.
Court of Master Sommeliers
The Court of Master Sommeliers, known as “the Court” in trade circles, is the best-known sommelier credential in the restaurant trade. Its core focus is the restaurant business, emphasizing service, blind tasting, beverage theory, and professional standards.
The Court has been featured in multiple movies and television shows, and many of the most famous people in the hospitality trade have earned their sommelier certification through the Court. However, that level of fame should be weighed alongside its well-documented institutional failures.
First is the 2018 cheating scandal: the Court invalidated most of that year’s Master Sommelier tasting results after a board member leaked exam details to at least one candidate. Then, in October 2020, a New York Times investigation detailed allegations of sexual harassment and coercion from more than 20 women involved in the certification process. Due to continuing revelations, six Master Sommeliers were stripped of their titles following a third-party investigation in November 2021.
Since then, the Court has undertaken reforms, including installing a new board of directors and executive leadership. Its 2025 Advanced Sommelier examination was reported as the largest in the organization’s history, which suggests renewed interest.
As for its certifications, the Court is not a government-accredited licensing body in the United States. It is a private credentialing organization. It also holds U.S. trademark rights in the “Master Sommelier” designation, which is why that title should be used precisely.
More Wine Credentialing Organizations
There are several wine programs beyond the top three that are worth your consideration. These include the Society of Wine Educators, Wine Scholar Guild, North American Sommelier Association, International Sommelier Guild, and International Wine Guild.
Each supports a specific niche in the wine trade. For instance, the Society of Wine Educators is designed for wine educators and independent examination candidates, and the International Sommelier Guild is designed for restaurant service. Wine Scholar Guild focuses on regional wine education. Some programs are more beneficial for consumers than for professionals.
SOMM publishes individual reviews of these programs so students can compare cost, rigor, recognition, curriculum structure, and exam expectations before choosing a path.
End Notes
Wine & Spirit Education Trust
- Wine & Spirit Education Trust, “What We Do”. WSET describes itself as an awarding organization and examination board. The page explains its Approved Programme Provider network, provider-approval process, Educator Training Programme, quality-assurance responsibilities and recognition by Ofqual. It also states that WSET qualifications do not form part of a regulated qualifications framework outside the United Kingdom.
Court of Master Sommeliers
- Court of Master Sommeliers, Americas, “Certification”. The Court describes its four-level pathway: Introductory Sommelier, Certified Sommelier, Advanced Sommelier and the Master Sommelier Diploma Examination.
- Bianca Bosker, “The Cheating Scandal That Has Shaken the World of Elite Sommeliers,” The New Yorker, Oct. 18, 2018. The article documents the leaking of information about the 2018 blind-tasting examination and the Court’s decision to revoke 23 newly awarded Master Sommelier titles.
- Mike Scarcella, “Uncorking a Scandal: Inside the Sommelier Lawsuit Over Exam Cheating,” Reuters, March 4, 2026. Reuters examines the continuing litigation brought by candidates whose 2018 results were invalidated, including candidates who were not personally accused of misconduct.
- Jelisa Castrodale, “Court of Master Sommeliers Moves to Expel Six Members Following Sexual Misconduct Investigation,” Food & Wine, Nov. 18, 2021. The article summarizes the allegations reported by 21 women, the Court’s third-party investigation and the decision to terminate the memberships of six Master Sommeliers.
- Court of Master Sommeliers, Americas, “Court of Master Sommeliers, Americas Sees Record-Breaking Advanced Sommelier Examination Results,” July 17, 2025. The Court reported that the examination was the largest Advanced Sommelier Practical and Tasting Examination in its history, with 87 candidates, a 63% pass rate and 55 newly credentialed Advanced Sommeliers.
National Wine School
- Under 16 V.S.A. § 176a, the National Wine School operates within the State of Vermont as a professional trade school, delivering specialized vocational instruction and wine industry credentials. Under Vermont state law, the institution is authorized to provide training curricula tailored for the wine and viticulture industry, under the regulatory oversight of the Vermont Secretary of State.
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