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Inside Sales Support Assistant III Salary in the United States

How much does an Inside Sales Support Assistant III make in the United States?

As of July 01, 2026, the average salary for an Inside Sales Support Assistant III in the United States is $53,770 per year, which breaks down to an hourly rate of $26.

However, an Inside Sales Support Assistant III's salary can vary significantly. Here’s a look at the typical salary range:

  • Top Earners (90th percentile): $64,946
  • Majority Range (25th-75th percentile): $47,120 to $59,620
  • Entry-Level (10th percentile): $41,066
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View as table View as graph 25% $47,120 10% $41,066 90% $64,946 75% $59,620 $53,770 50%(Median) Didn’t find job title? Click

Inside Sales Support Assistant III Salaries by Percentile

Annual
Salary
Monthly
Pay
Weekly
Pay
Hourly
Wage
75th Percentile $59,620 $4,968 $1,147 $29
Average $53,770 $4,481 $1,034 $26
25th Percentile $47,120 $3,927 $906 $23
Check out Inside Sales Support Assistant III Job Openings in the United States
2nd Shift - Inside Sales Support - Customer Experience Rep

Crown Equipment - Cincinnati, OH

Sales Support

Heidelberg Distributing - Columbus, OH

Sales Support

Heidelberg Distributing - Perrysburg, OH

Sales Support

Heidelberg Distributing - Lima, OH

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Key Factors That Influence Inside Sales Support Assistant III Salaries

An Inside Sales Support Assistant III's salary isn't a fixed number. It's shaped by several important factors. Below, we'll explore how your years of experience, geographic location, and company size can directly affect your earning potential.

How Experience Level Affects Inside Sales Support Assistant Salaries?

Experience is a primary driver of an Inside Sales Support Assistant III's salary. As you build your skills and take on more complex tasks, your compensation generally increases. Here's how the average salary grows at different career stages:

  • Inside Sales Development Assistant I (0-1 years): $41,137
  • Inside Sales Development Assistant II (1-3 years): $46,426
  • Inside Sales Support Assistant III (3-5 years): $53,761
  • Inside Telephone Sales Supervisor (5+ years): $71,661
  • Inside Sales Development Senior Supervisor (5+ years): $87,956
Job Role Years of Experience Average Salary
Inside Sales Development Assistant I0-1 years$41,137
Inside Sales Development Assistant II1-3 years$46,426
Inside Sales Support Assistant III3-5 years$53,761
Inside Telephone Sales Supervisor5+ years$71,661
Inside Sales Development Senior Supervisor5+ years$87,956
$41,137 Inside Sa...
$46,426 Inside Sa...
$53,761 Inside Sa...
$71,661 Inside Te...
$87,956 Inside Sa...
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What Am I Worth?

How Do Inside Sales Support Assistant III Salaries Vary from State to State?

Your salary can change significantly depending on where you work. States with a higher cost of living and strong industrial sectors often pay more to attract Inside Sales Support Assistant IIIs. For example, consider the average annual salaries in these key locations:

  • District of Columbia: $59,530.
  • California: $59,300.
  • Massachusetts: $58,510.

Top Paying Cities for Inside Sales Support Assistant IIIs

Salaries can also vary between different cities. Major metropolitan areas or cities with a high demand for technicians often offer more competitive pay. Here are a few examples of average annual salaries in different U.S. cities:

  • San Jose: $67,810
  • San Francisco: $67,070
  • Oakland: $65,660

Inside Sales Support Assistant III Salary by Company Size: Startups vs. Enterprise

Inside Sales Support Assistant III salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $60,141. While startup companies pay approximate $50,862.

Inside Sales Support Assistant III Salary by Company Size

Company Size Employees Average Salary
Startup1~50$50,862
Growth Stage51~500$53,794
Established501~5000$58,078
Enterprise5000+$60,141

Inside Sales Support Assistant III Salary by Industry: Top Paying Sectors

For Inside Sales Support Assistant III roles, the industry you choose can affect earning potential by as much as 40% (the gap between the highest and lowest paying industries). Data shows that the Financial Services and Pharmaceuticals sectors offer the strongest compensation, at 20% above the average. In contrast, Inside Sales Support Assistant positions in Transportation or Edu., Gov't. & Nonprofit typically offer lower base pay, as these industries often view Inside Sales Support Assistant III as a support function rather than a direct revenue driver.

The top paying industries for an Inside Sales Support Assistant III

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Financial Services$64,524$31.020%
Pharmaceuticals$64,524$31.020%
Energy & Utilities$61,835$30.015%
Software & Networking$61,835$30.015%
Biotechnology$59,147$28.010%

Inside Sales Support Assistant III Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how an Inside Sales Support Assistant III's annual salary breaks down can help with budgeting. Below, you can see the average hourly rate, weekly pay, and monthly pay for this role. Use the buttons to switch between different pay periods.

Last Updated on July 01, 2026

Inside Sales Support Assistant III Salary Growth & Career Path

Promotions are the fastest way to increase your earnings. As an Inside Sales Support Assistant III, you have the following paths for advancement. The table below compares the salary raises for common next-step roles. By comparing these figures, you can choose the career path that best meets your financial goals.

Inside Sales Support Assistant III Salary Growth and Career Path
Next Step Role Estimate Salary Projected Raise
E- Commerce Strategic Sales Manager $89,900 67%
Inside Telephone Sales Supervisor $71,700 33%

Salary Trends for Inside Sales Support Assistant III

Salaries for an Inside Sales Support Assistant III can change over time, reflecting shifts in market demand and the overall economy. The median salary decreased from $52,560 in 2023 to around $51,282 in 2025, reflecting changes in demand, location, experience, and the wider economy. For a detailed analysis of Inside Sales Support Assistant III salary trends, .

Average Annual Salary of Inside Sales Support Assistant III Over Time

2022
$???
2023
$52,560
2024
$51,812
2025
$51,282
2026
$???
2027
$???
Year Average Annual Salary
2022
View More
2023 $52,560
2024 $51,812
2025 $51,282
2026
View More
2027
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Most common benefits for Inside Sales Support Assistant III

Social Security
401(k)
Disability
Healthcare
Pension
Time Off (days)
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Common company salaries for Inside Sales Support Assistant III

Here are companies hiring for Inside Sales Support Assistant III and their salaries, click below for more details.

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Ready to take the next step in your career? Browse thousands of current Inside Sales Support Assistant III job openings on our job board. Use the search bar below to find your perfect match.

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FAQ about Inside Sales Support Assistant III

1. What industry pays the highest salary for Inside Sales Support Assistant III?

The Financial Services industry offers the highest average compensation for Inside Sales Support Assistant III roles, with salaries approximately 20% above the market median.

2. How much does inside sales earn in us?

As of now, the salary for an Inside Sales Support Assistant in the United States ranges from $54,780 to $71,560 annually, with a median salary of $62,280. This translates to approximately $26.32 to $34.43 per hour, or about $1,148 to $1,487 per week.

3. How much commission do inside sales reps make?

Inside sales support assistants typically earn a base salary ranging from $54,780 to $71,560, with a mid-salary of $62,280. Commission structures for inside sales reps often vary, with a common split of 50/50 to 80/20, depending on performance and company policies.

4. Is an inside sales rep a good job?

An inside sales rep position can be a great job, offering advantages like high earning potential, with salaries ranging from $54,780 to $71,560. The role involves pursuing new business through phone and email, providing access to a vast customer base. Additionally, these positions often allow for a favorable work-life balance.

5. How much commission do inside sales reps make?

Inside sales support assistants typically earn a base salary ranging from $54,780 to $71,560, with a mid-salary of $62,280. Commission structures for inside sales reps often vary, with a common split of 50/50 to 80/20, depending on performance and company policies.

6. What is the salary of sales and support?

The salary for an Inside Sales Support Assistant ranges from $54,780 to $71,560 per year, with a midpoint of $62,280. Entry-level positions typically earn around $54,780, while those with more experience can earn up to $71,560 annually.

7. What is the salary of EA in USA?

The salary for an Inside Sales Support Assistant in the USA typically ranges from $54,780 to $71,560, with a mid-level salary of $62,280. This reflects the varying levels of experience and responsibility within the role.

Where Does Our Salary Data Come From?

Salary.com provides salary estimates, histograms, trends, and comparisons using data from employer job postings and third-party sources.

We offer detailed salary information across multiple percentiles for your reference. (Click here to learn Why the Salary Midpoint Formula Is Crucial for Achieving Pay Equity.)

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