

One of the world’s leading organizations of independent audit, tax and advisory firms. Among its major competitors, Grant Thornton LLP is ranked in 2nd place for NPS while Deloitte (US) is 1st, and KPMG is 3rd.

John Harmeling serves as the Chief Marketing Officer of Grant Thornton LLP. John started at Grant Thornton LLP in March of 2015. John currently resides in Charlotte, North Carolina Area.
Grant Thornton LLP's Net Promoter Score (NPS) is a 26 with 54% Promoters, 18% Passives, and 28% Detractors. Net Promoter Score tracks whether Grant Thornton LLP's customers would recommend using the product based on a scale of -100 to 100.
| 54% | Promoters |
|---|---|
| 18% | Passives |
| 28% | Detractors |
| Summary | Date | Score |
|---|---|---|
Dec 2022 25 | Dec 2022 | 25 |
Jan 2023 27 | Jan 2023 | 27 |
Feb 2023 28 | Feb 2023 | 28 |
Mar 2023 28 | Mar 2023 | 28 |
Jun 2023 31 | Jun 2023 | 31 |
Jul 2023 29 | Jul 2023 | 29 |
Sep 2023 31 | Sep 2023 | 31 |
Oct 2023 29 | Oct 2023 | 29 |
Jan 2024 28 | Jan 2024 | 28 |
Feb 2024 26 | Feb 2024 | 26 |
Oct 2024 25 | Oct 2024 | 25 |
Dec 2025 25 | Dec 2025 | 25 |
Grant Thornton LLP is ranked second for NPS among its competitors. Deloitte (US) and PwC come in first and third, with Ernst & Young (EY) coming in at #4.
![]() Grant Thornton LLP | ![]() Deloitte (US) | ![]() PwC | ![]() Ernst & Young (EY) | |
| Global Ranking | #- | #154 | #184 | #273 |
| NPS | 26 | 27 | 25 | 21 |
| Social Sentiment Calculated by analyzing social media and other online mentions | - | Neutral | Neutral | - |
| Valuation Updated every 24 hours for public companies | - | $4.87B | $129.97M | - |
Net Promoter Score (NPS) is a management tool that can be used to gauge the satisfaction of a firm's customer relationships. NPS has been widely adopted as a key metric often linked to the revenue potential of a company’s product or service. The metric is based on customer responses to the question: "On a scale of 0 to 10, how likely are you to recommend the product to a friend?"
Those who respond with a score of 9 to 10 are known as Promoters, and are widely associated with behaviors that create value, including actively encouraging others to use the product or service. Those who respond with a score of 7 or 8 are categorized as Passives, and they are believed to be less likely to exhibit the value-creation traits of Promoters having a largely neutral effect on other consumers. Detractors are those who fall in the score range of 0 to 6 and represent dissatisfied customers of the product sometimes actively recommending against using the product.
Female customers rated Grant Thornton LLP's NPS 46 points higher than Male customers.
Grant Thornton LLP's NPS was rated -75 by Male customers on Comparably.
Grant Thornton LLP's NPS was rated -29 by Female customers on Comparably.
Grant Thornton LLP's NPS was rated -60 points by Caucasian customers on Comparably.
| Summary | Ethnicity | Score |
|---|---|---|
Caucasian -60 | Caucasian | -60 |
Grant Thornton LLP's NPS was rated -100 points by customers ages 31-35 on Comparably.
Grant Thornton LLP's NPS was rated the highest by customers who have used Grant Thornton LLP's products/services for 1 to 2 Years, and the lowest by customers with Less than 1 Year of usage.
| Summary | Usage | Score |
|---|---|---|
Less than 1 Year -100 | Less than 1 Year | -100 |
1 to 2 Years 0 | 1 to 2 Years | 0 |
2 to 5 Years 0 | 2 to 5 Years | 0 |
Compared to its competitors, Grant Thornton LLP's NPS is rated right above KPMG, and is preceded by Deloitte (US).
| COMPANY | NPS Score | |
|---|---|---|
![]() | Deloitte (US) | 27 |
![]() | Grant Thornton LLP | 26 |
![]() | KPMG | 25 |
![]() | PwC | 25 |
![]() | Ernst & Young (EY) | 21 |
Out of the 6 Grant Thornton LLP customer reviews 4 were positive and 2 were constructive. Grant Thornton LLP customer reviews reflect that more than half of the customers have a favorable experience using the products/services of the company.
Customer Loyalty is a strong indicator of whether or not a customer will choose a brand repeatedly over a competitor that offers similar products/services.
73% of Grant Thornton LLP users/customers answered "Yes" when asked: "Would you consider yourself a loyal user/customer?"
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Male customers rated Grant Thornton LLP's Customer Loyalty score 4% higher than Female customers.
Grant Thornton LLP's Customer Loyalty score was rated 64% by Caucasian customers on Comparably.
% who answered "Yes"
Grant Thornton LLP's Customer Loyalty score was rated 100% by customers ages 31-35 on Comparably.
| Summary | Age | Score |
|---|---|---|
31-35 100% | 31-35 | 100% |
Grant Thornton LLP's Customer Loyalty score was rated the highest by customers who have used Grant Thornton LLP's products/services for 1 to 2 Years, and the lowest by customers with Less than 1 Year of usage.
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Grant Thornton LLP's Customer Loyalty score was rated 100% by Accounting industry customers.
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Compared to its competitors, Grant Thornton LLP's Customer Loyalty score is rated right above Deloitte (US), and is preceded by KPMG.
| COMPANY | Customer Loyalty Score | |
|---|---|---|
![]() | Ernst & Young (EY) | 76% |
![]() | KPMG | 74% |
![]() | Grant Thornton LLP | 73% |
![]() | Deloitte (US) | 72% |
![]() | PwC | 68% |
Grant Thornton LLP has an overall Product Quality score of 3.5 out of 5 stars rated by its users and customers.
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Grant Thornton LLP’s product quality score is a 3.5 out of 5 as rated by its users and customers. Reviewers from the Accounting industry rated Grant Thornton LLP's product the highest.
Grant Thornton LLP's Product Quality score was rated highest by customers who have used Grant Thornton LLP's products/services for 1 to 2 Years, and rated lowest by customers who have used Grant Thornton LLP's products/services for Less than 1 Year.
Female customers rated Grant Thornton LLP's Product Quality score 0.3 stars higher than Male customers.
Grant Thornton LLP's Product Quality score was rated 2.9 stars by Caucasian customers on Comparably.
| Summary | Ethnicity | Score |
|---|---|---|
Caucasian 2.9 | Caucasian | 2.9 |
Grant Thornton LLP's Product Quality score was rated 3 stars by customers ages 31-35 on Comparably.
| Summary | Age | Score |
|---|---|---|
31-35 3 | 31-35 | 3 |
Grant Thornton LLP's Product Quality score was rated the highest by customers who have used Grant Thornton LLP's products/services for 1 to 2 Years, and the lowest by customers with Less than 1 Year of usage.
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Grant Thornton LLP's Product Quality score was rated 4.1 stars by Accounting industry customers.
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Compared to its competitors, Grant Thornton LLP's Product Quality score is rated right below PwC.
| COMPANY | Product Quality Score | |
|---|---|---|
![]() | Deloitte (US) | 3.9/5 |
![]() | Ernst & Young (EY) | 3.9/5 |
![]() | KPMG | 3.8/5 |
![]() | PwC | 3.8/5 |
![]() | Grant Thornton LLP | 3.5/5 |
Grant Thornton LLP has a value for money and ROI score of 3.5 out of 5 stars rated by its users and customers.
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Not every product or service fits the needs of a certain user or industry. The users that rank the value for money and ROI highest are mainly from Accounting industry.
Grant Thornton LLP's ROI score was rated highest by customers from the Accounting industry, and rated lowest by customers who have used Grant Thornton LLP's products/services for Less than 1 Year.
Male customers rated Grant Thornton LLP's ROI score 0.8 stars higher than Female customers.
Grant Thornton LLP's ROI score was rated 3.1 stars by Caucasian customers on Comparably.
| Summary | Ethnicity | Score |
|---|---|---|
Caucasian 3.1 | Caucasian | 3.1 |
Grant Thornton LLP's ROI score was rated 4 stars by customers ages 31-35 on Comparably.
| Summary | Age | Score |
|---|---|---|
31-35 4 | 31-35 | 4 |
Grant Thornton LLP's ROI score was rated the highest by customers who have used Grant Thornton LLP's products/services for 2 to 5 Years, and the lowest by customers with Less than 1 Year of usage.
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Grant Thornton LLP's ROI score was rated 4.4 stars by Accounting industry customers.
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Compared to its competitors, Grant Thornton LLP's ROI score is rated right below PwC.
| COMPANY | Pricing Score | |
|---|---|---|
![]() | Deloitte (US) | 3.9/5 |
![]() | KPMG | 3.8/5 |
![]() | Ernst & Young (EY) | 3.8/5 |
![]() | PwC | 3.7/5 |
![]() | Grant Thornton LLP | 3.5/5 |
Grant Thornton LLP has an overall Customer Satisfaction score of 62 rated by its users and customers.
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Customer Satisfaction Score (also known as CSAT), is a metric used to quantify how satisfied customers are with a company or brand’s products and services. The Customer Satisfaction Score is based on customers response to the question: “How would you rate your overall satisfaction with the service you received?” The score is calculated using the formula: (The total number answer of “Very Satisfied” and “Satisfied”) ÷ (The total response) x100, and it is generally displayed in percentages. Some of the main benefits of the CSAT for businesses are tracking retention, identifying happy customers and growing relationships, and gaining repeat business to build a sustainable brand.
Grant Thornton LLP's Customer Satisfaction score was rated highest by customers from the Accounting industry, and rated lowest by customers who have used Grant Thornton LLP's products/services for Less than 1 Year.
Male customers rated Grant Thornton LLP's Customer Satisfaction score 34 points higher than Female customers.
Very Satisfied | 0% | |
|---|---|---|
Satisfied | 67% | |
Neither Satisfied nor Dissatisfied | 0% | |
Dissatisfied | 33% | |
Very Dissatisfied | 0% |
Very Satisfied | 16% | |
|---|---|---|
Satisfied | 17% | |
Neither Satisfied nor Dissatisfied | 67% | |
Dissatisfied | 0% | |
Very Dissatisfied | 0% |
Grant Thornton LLP's Customer Satisfaction (CSAT) score was rated 40% according to Caucasian users and customers.
Grant Thornton LLP's Customer Satisfaction score was rated 67 points by customers ages 31-35 on Comparably.
| Breakdown | Age | Score | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 31-35 | 67% |
Grant Thornton LLP's Customer Satisfaction score was rated the highest by customers who have used Grant Thornton LLP's products/services for 2 to 5 Years, and the lowest by customers with Less than 1 Year of usage.
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Grant Thornton LLP's Customer Satisfaction score was rated 100 points by Accounting industry customers.
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}Compared to its competitors, Grant Thornton LLP's Customer Satisfaction score is rated right above PwC, and is preceded by Deloitte (US).
| COMPANY | Customer Satisfaction (CSAT) Score | |
|---|---|---|
![]() | KPMG | 77% |
![]() | Ernst & Young (EY) | 74% |
![]() | Deloitte (US) | 73% |
![]() | Grant Thornton LLP | 62% |
![]() | PwC | 60% |
Grant Thornton LLP has an overall Customer Service score of 3.8 out of 5 stars rated by its users and customers.
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171 North Clark Street, Chicago, IL 60601
http://www.grantthornton.com/
(312) 856-0200
Grant Thornton LLP's Customer Service score was rated highest by customers from the Accounting industry, and rated lowest by customers who have used Grant Thornton LLP's products/services for Less than 1 Year.
Male customers rated Grant Thornton LLP's Customer Service score 0.5 stars higher than Female customers.
Grant Thornton LLP's Customer Service score was rated 3.1 stars by Caucasian customers on Comparably.
| Summary | Ethnicity | Customer Service Score |
|---|---|---|
Caucasian 3.1 | Caucasian | 3.1 |
Grant Thornton LLP's Customer Service score was rated 3.8 stars by customers ages 31-35 on Comparably.
| Summary | Age | Customer Service Score |
|---|---|---|
31-35 3.8 | 31-35 | 3.8 |
Grant Thornton LLP's Customer Service score was rated the highest by customers who have used Grant Thornton LLP's products/services for 1 to 2 Years, and the lowest by customers with Less than 1 Year of usage.
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Grant Thornton LLP's Customer Service score was rated 4.2 stars by Accounting industry customers.
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Compared to its competitors, Grant Thornton LLP's Customer Service score is rated right below PwC.
| COMPANY | Customer Service Score | |
|---|---|---|
![]() | KPMG | 4/5 |
![]() | Ernst & Young (EY) | 4/5 |
![]() | Deloitte (US) | 3.9/5 |
![]() | PwC | 3.9/5 |
![]() | Grant Thornton LLP | 3.8/5 |
Grant Thornton LLP has a 3.8/5 stars for its overall company culture rated by their employees

Grant Thornton LLP scored a 26 for Net Promoter Score and a 2 for Employee Net Promoter Score. NPS gauges how likely a customer of Grant Thornton LLP would recommend the brand to a friend. ENPS measures how likely Grant Thornton LLP employees would recommend working at Grant Thornton LLP to a friend.
| 54% | Promoters |
|---|---|
| 18% | Passive |
| 28% | Detractors |
| 35% | Promoters |
|---|---|
| 32% | Passive |
| 33% | Detractors |