To put it in a nutshell, both mixologists and bartenders

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The Mixologist in the Corporate Liquor Industry
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Bartender v/s Mixologist

• With the global cocktail renaissance, the
  term Mixologist has come to limelight.  The
  term came into existence in the 1800s. Although
  the barkeep has always been a respected section
  of the society, the term Mixologist was an
  honorific gesture for expert bartenders back in
  the day. In the modern era, it signifies the
  theatre and art of expertly made cocktails. This
  term is often bandied so loosely that the
  difference between a Mixologist and a Bartender
  has become obscured. This difference has been a
  question for more than a decade. Is it just
  semantics or are there proficient traits that
  separate mixologists from bartenders?

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Rudimentary difference between a Bartender and a
Mixologist

• The difference between a Mixologist and a
  Bartender could be simply put as the difference
  between a chef and a waiter. A Mixologist is a
  person with an enthusiasm for combining elixirs
  and making remarkable mixed drinks, though a
  bartender is a person with a Passion for making
  incredible beverages and making even encounters.
  Another explanation could be that the Mixologist
  serves the drinks while the bartender serves the
  people. Competently Bar keeping and conceiving
  hair-raising cocktail drinks are Disciplines of
  different kinds, the two of which oblige the
  wants and needs of the guest and this requires a
  long time to entirely master these disciplines.

4
What Experts Say?

• A lot of professional barkeepers like to be known
  as Bartenders rather than being called
  Mixologists. According to them, the term
  Mixologist was created to elevate the profession
  of bar-keeping but it never really needed to be
  elevated. The real difference between these two
  is the Preparation Intent. The mixologists have
  intent to make every cocktail exceptionally
  unique and every cocktail they put out will scale
  to measure the merit and quality as a bartender.
  A bartender creates drinks from the available
  tools and previous history of the drinks while a
  Mixologist studies the very tools used to do so.

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• Another point of view is that a Mixologist is a
  Bartender with a specialization in execution and
  craft of Cocktails and they represent all aspects
  of this Cocktail Craft. The bartender serves
  drinks, cleans the glasses, mingles with people
  is only Mixologist when its demanded of him to
  be one. The aspect where the Mixologists lack is
  serving people as they put all of their energy in
  formulating exquisite drinks while on the other
  hand, serving the people is the very spirit of
  bar keeping.

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Role of the Mixologist and Bartender in different
settings

• Bartenders are quite the all-rounders in all the
  scenarios whether its a bar or an event. On the
  contrary, the art of mixology requires a wide
  span of time to craft and execute the innovative
  drinks and this renders it unsuitable for some
  settings like high-volume bars where drinks are
  to be served swiftly. But their ability to
  formulate a fun drink with a unique sense of the
  decoration makes them a perfect match for your
  parties and events. They can recommend a
  diversity of drinks to your guests according to
  the particular style of each one. To put it in a
  nutshell, both mixologists and bartenders have
  their importance in the parties and bars and we
  recommend you to have them in order to make your
  cocktail night a memorable one.

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How to hire them?

• If you are curious about how to hire a Mixologist
  or a bartender, No need to be worried. Feel free
  to contact us at GTA Caterers Mississauga to get
  the info and quote. GTA caterers are one of
  premier in the Catering Industry and provide
  numerous services like wedding Catering, BBQ
  Catering, Corporate Breakfast
  catering and Party catering etc.