A collection of jargons and terminologies commonly used by consultants.

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There are currently 18 names in this directory beginning with the letter B.
Business-to-Business, referring to a company’s primary audience for sales and marketing

Business-to-consumer, referring to a company’s primary audience for sales and marketing

Availability. For example I will have bandwidth to take on that project after I complete this customer attrition model.

Refers to a Consultant that is not actively enrolled in any project and therefore not on a billable project. For example John has been on the beach for two weeks and is starting to worry about his value to the firm.

Metrics or standards competitors in the client market attain, usually for operational efficiency.

Best of breed
Something that is considered superior to its substitutes"; can apply to many things in Consulting. See Best Practices.

Best practices
Developing benchmarks for practices or techniques that have shown superior results relative to other practices or techniques.

Big 3
McKinsey, Bain, BCG a.k.a MBB

Big 4
Deloitte, Ernst & Young, KPMG, Price Waterhouse Coopers

Bird’s eye view
High Level View

PowerPoint slides that are drawn on a notepad. More senior Consultants often describe a presentation yet to be drafted by blanking a series of slides and giving them to a junior Consultant to perform the work required to complete them.

Blue sky thinking
Thinking out of the box – coming up with unexpected ways of doing something.

Boil the ocean
Describes what might occur if a Consultant is not being focused enough. For example We don't need to boil the ocean to get the exact number on this. Just make an estimate based on historical data for one product line.

Developing an estimate by starting with the lowest-level assumptions and building those all the way up to an estimate. For example, estimating market size by starting with individual products and prices and adding up to a total industry size. Contrast with Top-down.


Completed thoroughly and professionally. For example Get this customer acquisition model buttoned-down and then we'll move on to international market sizing.

To indicate that a particular piece of work or analysis is comprehensive, accurate and capable of withstanding close scrutiny.

Agreement and/or consent. For example Do you have the CEO's buy-in?