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Sales Assistant III Salary in the United States

How much does a Sales Assistant III make in the United States?

As of October 01, 2026, the average salary for a Sales Assistant III in the United States is $58,489 per year, which breaks down to an hourly rate of $28.

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

  • Top Earners (90th percentile): $71,528
  • Majority Range (25th-75th percentile): $51,256 to $65,314
  • Entry-Level (10th percentile): $44,671
Salary Factors Salary-Boosting Skills Salary by Experience Related Job Salaries Top Paying Cities Explore Related Jobs

Key Factors That Influence Sales Assistant III Salaries

A Sales 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, education and company size can directly affect your earning potential.

How Experience Level Affects Sales Assistant III Salaries?

Experience is a primary driver of a Sales 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:

  • Sales Assistant I (0-1 years): $45,151
  • Sales Assistant II (1-3 years): $50,802
  • Sales Assistant III (3-5 years): $58,489
  • Sales Assistant Team Leader (5+ years): $77,891
  • Sales Support Supervisor (5+ years): $89,421
Job Role Years of Experience Average Salary
Sales Assistant I0-1 years$45,151
Sales Assistant II1-3 years$50,802
Sales Assistant III3-5 years$58,489
Sales Assistant Team Leader5+ years$77,891
Sales Support Supervisor5+ years$89,421
View as Graph

How Do Sales 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 Sales Assistant IIIs. For example, consider the average annual salaries in these key locations:
  • District of Columbia: $64,759.
  • California: $64,513.
  • Massachusetts: $63,654.

Top Paying Cities for Sales 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: $73,772
  • San Francisco: $72,964
  • Oakland: $71,427

What Skills Can Increase a Sales Assistant III's Salary?

Demanded Skills for the Role:

  • Customer Service (Mentioned in 15.43% Job Postings): Customer service is the provision of service to customers before, during and after a purchase. The perception of success of such interactions is dependent on employees "who can adjust themselves to the personality of the guest". Customer service concerns the priority an organization assigns to customer service relative to components such as product innovation and pricing. In this sense, an organization that values good customer service may spend more money in training employees than the average organization or may proactively interview customers for feedback. From the point of view of an overall sales process engineering effort, customer service plays an important role in an organization's ability to generate income and revenue. From that perspective, customer service should be included as part of an overall approach to systematic improvement. One good customer service experience can change the entire perception a customer holds towards the organization.
  • PowerPoint (Mentioned in 2.2% Job Postings): A computer software created by Microsoft which allows the user to create slides with recordings, narrations, transitions and other features in order to present information.
  • Pricing (Mentioned in 1.37% Job Postings): Pricing is a process of fixing the value that a manufacturer will receive in the exchange of services and goods.
Skills Demand Percentage
Customer Service 15.43%
PowerPoint 2.2%
Pricing 1.37%
See More Skills

What skills can make your compensation higher?

Mastering certain specialized skills can lead to a significant increase in pay. Here are examples of skills and the potential impact they can have on a Sales Assistant III's salary.

  • Sales and Marketing: Can increase your salary by up to 23%.
  • Billing: Can increase your salary by up to 23%.
  • Inside Sales: Can increase your salary by up to 21%.
Skill Salary Salary % Increase
Sales and Marketing $71,941
23%
Billing $71,941
23%
Inside Sales $70,772
21%
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Sales Assistant III Salary by Company Size: Startups vs. Enterprise

Sales Assistant III salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $65,297. While startup companies pay approximate $55,290.

Sales Assistant III Salary by Company Size

Company Size Employees Average Salary
Startup 1~50 $55,290
Growth Stage 51~500 $58,462
Established 501~5000 $63,049
Enterprise 5000+ $65,297

Sales Assistant III Salary by Industry: Top Paying Sectors

For Sales Assistant III roles, the industry you choose can affect earning potential by as much as 100% (the gap between the highest and lowest paying industries). Data shows that the Biotechnology and Aerospace & Defense sectors offer the strongest compensation, at 50% above the average. In contrast, Sales Assistant positions in Retail & Wholesale or Transportation typically offer lower base pay, as these industries often view Sales Assistant III as a support function rather than a direct revenue driver.

The top paying industry for a Sales Assistant III

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Biotechnology$87,734$42.050%

How Education impacts a Sales Assistant III's Salary?

Your level of education can impact your salary potential. While many Sales Assistant III enter the field with a Bachelor's Degree, higher education can lead to more specialized and higher-paying roles.

According to our 100% employer-reported salary data, the median salary for an Sales Assistant III with a Bachelor's Degree is between $56,780 and $60,585.

Sales Assistant III Salaries by Degree Level

Typical Education for Sales Assistant III
Degree Level % of user with this level of education
No Diploma 19.4%
High School 19.4%
Associates 15.2%
Bachelors 59.7%
Masters 5.8%
Doctorate 0.0%
View as Graph

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

Understanding how a Sales 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 October 01, 2026
$51,256
Average $58,489/year
$65,314
$4,271
Average $4,874/month
$5,443
$986
Average $1,125/week
$1,256
$25
Average $28/hour
$31
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $65,314 $5,443 $1,256 $31
Average $58,489 $4,874 $1,125 $28
25th Percentile $51,256 $4,271 $986 $25

Sales Assistant III Salary Growth & Career Path

Sales Assistant III

Next Role

Advancement

Promotions are the fastest way to increase your earnings. As a Sales 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.

Next Step Role Estimate Salary Projected Raise
Lead Generation Supervisor $93,259 59%
Sales Assistant Team Leader $77,891 33%

Most common benefits for Sales Assistant III

  • Social Security
  • 401 (k)
  • Disability
  • Healthcare
  • Pension
  • Time Off (days)

Common company salaries for Sales Assistant III

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

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FAQ about Sales Assistant III

1. Where can a Sales Assistant III earn the most?

A Sales Assistant III's earning potential can vary widely depending on several factors, including location, industry, experience, education, and the specific employer. According to the latest salary data by Salary.com, a Sales Assistant III earns the most in San Jose, CA, where the annual salary of a Sales Assistant III is $73,772.

2. What is the highest pay for Sales Assistant III?

The highest pay for Sales Assistant III is $71,528.

3. What is the lowest pay for Sales Assistant III?

The lowest pay for Sales Assistant III is $44,671.

4. What are the responsibilities of Sales Assistant III?

Provides administrative and clerical support to the sales team. Assists with a variety of sales activities including order input, meeting scheduling, maintenance of sales literature inventory, and customer service regarding products and pricing. Generates and distributes reports regarding market conditions, sales results, and team earnings. Requires a high school diploma or equivalent. Typically reports to a supervisor or team leader. Works independently within established procedures associated with the specific job function. Has gained proficiency in multiple competencies relevant to the job. Typically requires 3-5 years of related experience.

5. What industry pays the highest salary for Sales Assistant III?

The Biotechnology industry offers the highest average compensation for Sales Assistant III roles, with salaries approximately 50% above the market median.

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.)

With the most extensive online, real-time compensation data available, Salary.com helps you pinpoint your exact pay target.

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