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Stands forSubject Matter Expert

initialismS M E, letter by letter

What Does SME Stand For?

BusinessWorkplaceUpdated Oct 30

What does SME stand for? At work in the United States, SME most often means subject matter expert, the person who knows a topic deeply and is asked to check facts, answer hard questions or shape a project. In economics and trade, SME means small and medium sized enterprise, a business below a certain size.

Both meanings are common in business writing, so it helps to look at the sentence. "We need an SME to review the training" means an expert. "Loans for SMEs" means smaller companies. The first is everyday office talk; the second is common in government reports and international business news.

Quick facts

  • Stands for (workplace)

    Subject matter expert
  • Stands for (economics)

    Small and medium sized enterprise
  • Type

    Initialism, said S M E; sometimes "smee"
  • Plural

    SMEs
  • Used in

    Training, projects, consulting, policy reports
  • Similar terms

    SMB (small and midsize business), SOHO

SME full form: the two main meanings

The most common SME meanings
ContextFull formExample
Projects, training, consultingSubject matter expert"Ask the payroll SME before we publish the guide."
Economics, banking, tradeSmall and medium sized enterprise"SMEs make up most of the region's employers."

In American offices the expert meaning is far more common. In Europe, Asia and international organizations, the small business meaning comes up more, while Americans tend to say small business or SMB instead.

What does SME stand for in business projects?

A subject matter expert is chosen for knowledge, not job title. An SME might be a senior nurse helping design hospital software, an accountant checking a tax form guide, or a machinist explaining a process to a writer making a manual. Their job on a project is to make sure the content is correct and practical.

A project kickoff email: "Jordan will be our SME for warehouse returns. Please send process questions to Jordan before Thursday's design session." Jordan is the expert whose answers the team will trust.

SME as small and medium sized enterprise

The size cutoffs depend on who is counting. The European Union uses one of the best known definitions: fewer than 250 employees and either yearly sales of no more than 50 million euros or a balance sheet of no more than 43 million euros. Within that, micro and small firms have lower limits.

In the United States, the Small Business Administration sets size standards that differ by industry, based on employees or yearly receipts, so there is no single cutoff. Reports and lenders still use SME, or SMB, as a broad label for companies that are not large corporations.

This is general information. Size rules for loans, grants and contracts vary, so check with the agency or program involved for your own business.

Using the SME acronym in sentences

  • "She is the SME on our billing system."
  • "We brought in two SMEs to review the safety course."
  • "The bank launched a credit line for SMEs."
  • "Can you SME this section before Friday?" (casual office use as a verb)
  • "Most new jobs in the region came from SMEs."

Most people say the letters, so write "an SME," since S is said "ess." A few teams say "smee" as one word; if you hear that, "a SME" may sound natural to them, but "an SME" is the safer written choice. The plural is SMEs, with no apostrophe.

How to be a helpful SME

If you are named the SME on a project, answer questions in plain words, point out what is wrong as well as what is missing, and say when something is outside your area. Set a clear review time so you do not slow the team down. Good SMEs share why a step matters, not only what the step is, which makes training and documents much stronger.

SME stands for more than one thing, so check the setting

Professional groups and schools also use the letters in their names, so a logo or a letterhead may point to an organization rather than either meaning above. When in doubt, ask, or look for clues like "expert," "review" or "loans." For other letters common at work, browse the business acronyms guide, and compare titles like CEO that describe a role rather than knowledge.

Questions people ask

What does SME mean in a job posting?

It almost always means subject matter expert. The employer wants someone with deep knowledge of a field who can guide or review work.

What is an SME in business?

It can mean a subject matter expert on a team, or a small and medium sized enterprise in economic writing. The sentence usually makes it clear which one is meant.

Is SME the same as SMB?

When SME means a small or medium sized enterprise, it is close to SMB, small and midsize business. SMB is the more usual term among American businesses.

How do you pronounce SME?

Most people say the letters: S M E. Some workplaces say "smee" as one word.

Is it a SME or an SME?

Write "an SME" when you say the letters, because the letter name "ess" opens with a vowel sound. If your team says "smee," "a SME" follows that sound.