Top 10 Toughest Firms to Interview With

6. ThoughtWorks

Glassdoor insights on ThoughtWorks

Interview difficulty rating on a 5 point scale: 3.6

Positive interview experience rate: 64 percent

Negative interview experience rate: 16 percent

Employee satisfaction rate: 3.8

In its 23 offices around 10 countries, this global IT consultancy firm employed over 2000 people. ThoughtWorks was founded in 1993. Its central functions are mainly performed in its headquarters at Chicago, and then the London and Bangalore offices as the company’s leadership is given out. ThoughtWorks mainly concentrates on consulting, delivering custom software, software tools, and transformation services to Global 1000 companies.

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5. ZS Associates

Glassdoor insights on  ZS Associates

Interview difficulty rating on a 5 point scale: 3.7

Positive interview experience rate: 65  percent

Negative interview experience rate: 6 percent

Employee satisfaction rate: 3.4

Consulting firm, ZS Associates was ranked seventh in the list ‘best consulting company to work for’ in 2009 by Consulting Magazine. Founded in the year 1983, firm has grown to more than 2,100 professionals, today. Across 10 countries, ZS Associates has 20 offices, among that 10 offices are in North America, six in Europe zone and the left four are in Asia zone.  In 2012 Vault Pharmaceutical & Health Care Consulting practices, the company was ranked in 4^th place.

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