How many employees work at Sumner Group?

Sumner Group, Inc. has approximately 331 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Sumner Group’s total headcount has grown 5.4% from 314 employees in 2023 to 331 in 2026.

Data source: Revelio LabsCoverage: Global workforce, 20232026Published August 2026

Is Sumner Group hiring right now?

Yes, Sumner Group is actively hiring. Sumner Group had 21 active job postings in 2026, a 54.5% increase from 2025 see job openings & hiring trends.

About Sumner Group’s Workforce

Sumner Group, Inc. is an Automation Solutions company that employs 331 people worldwide as of March 2026. It is the 11th-largest by headcount among its peers. Founded in 1955, the company is headquartered in St. Louis, Missouri.

Sumner Group's workforce has grown 5.4% from 2023 to 2026, though it is down 0.9% year over year in 2026. Its workforce is concentrated most in North America (97.5%), followed by Sub-Saharan Africa (1.8%) and South Asia (0.7%).

Sumner Group's functional groups are Finance and Operations (48.1%), Engineering (26.2%), and Sales and Marketing (25.6%), with Engineering growing fastest (up 4.3%). The average salary is $67,469, ranging from a median of $47,000 in North America to $10,000 in Sub-Saharan Africa, down 1.2% year over year in 2026.

Sumner Group's active job postings rose 54.5% in 2026 to 21, with new postings per month cooling from 19 in 2023 to 16 in 2026. Overall employee sentiment is negative and declining.

Sourced from Revelio Labs workforce data.

Headquarters
St. Louis, Missouri
Founded
1955
Industry
Automation Solutions
Employees
331
YoY
-0.9% (-3)

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Sumner Group Annual Employee Count (2023-2026)

Interactive chart of Sumner Group annual worldwide employee count from 2023 to 2026.
  • Sumner Group had 331 employees in 2026, a 0.9% decline (-3) from 2025.
  • Sumner Group had 332 employees in 2025, a 0.2% decline (+1) from 2024.
  • Sumner Group had 331 employees in 2024, a 0.9% increase (+4) from 2023.
  • Sumner Group had 327 employees in 2023, a 1.6% decline (+31) from 2022.

Sumner Group's total workforce has grown from 314 employees in 2023 to 331 in 2026.

Sumner Group, Inc. quarterly employee count

YearQtrEmployeesYoY ChangeYoY %
2026Q1331-3-0.9%
2025Q4332+1-0.2%
2025Q3333+0+0.0%
2025Q2326-7-1.5%
2025Q1334+3+0.5%
2024Q4331+4+0.9%
2024Q3333+8-0.3%
2024Q2333+19+0.4%
2024Q1331+25-0.4%
2023Q4327+31-1.6%
2023Q3325+40-2.2%
2023Q2314+33-1.7%

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Sumner Group Employee Count by Region (2026)

North America accounts for the largest share of Sumner Group's global workforce with approximately 98% of total employees, followed by Sub-Saharan Africa and South Asia.

Sumner Group employees by region

RegionEmployees% of Total
North America32097.5%
Sub-Saharan Africa61.8%
South Asia20.7%

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Sumner Group Employee Count by Department (2026)

Sumner Group's employee groups are Finance and Operations (48.1%), Engineering (26.2%), and Sales and Marketing (25.6%).

Sumner Group employees by department

DepartmentEmployees% of Total
Finance and Operations15948.1%
Engineering8726.2%
Sales and Marketing8525.6%

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Sumner Group Employee Salary by Region (2026)

Sumner Group's average employee salary is $67,469 globally. Employees in North America receive the highest compensation. Pay is lowest in Sub-Saharan Africa, at a median of $10,000.

Sumner Group median employee salary by region (USD)

RegionMedian Salary
North America$47,000
Sub-Saharan Africa$10,000

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Sumner Group Job Openings and Hiring Trends (2023-2026)

Interactive chart of Sumner Group annual active job postings from 2023 to 2026.
  • Sumner Group had 21 active job postings in 2026, a 54.5% increase (+5) from 2025.
  • Sumner Group had 16 active job postings in 2025, a 31.6% decline (-6) from 2024.
  • Sumner Group had 22 active job postings in 2024, a 0% no change from 2023.
  • Sumner Group had 22 active job postings in 2023, a 14.6% increase from 2022.
  • Hiring velocity in 2026: 16 new roles/month, up from 13 in 2025 and 10 in 2024.

Sumner Group's active job postings rose 54.5% in 2026 to 21, with new postings per month cooling from 19 in 2023 to 16 in 2026.

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Sumner Group Employee Sentiment (2026)

Revelio Labs tracks employee sentiment across Sumner Group's workforce based on public professional data. Overall sentiment is negative and has declined year over year in 2026.

Overall

NegativePositive

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Frequently Asked Questions About Sumner Group

How fast is Sumner Group growing?
In 2026, Sumner Group's headcount shrank 0.9% to 331 employees, down from 334 in 2025.
See the full headcount history
Where are Sumner Group employees located?
Most Sumner Group employees are based in North America (97.5% of headcount), followed by Sub-Saharan Africa and South Asia.
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What is the average salary at Sumner Group?
The average employee salary at Sumner Group is approximately $67.5k per year.
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How many new job postings does Sumner Group open per year?
In Q1 2026, Sumner Group opened 47 new job postings. In 2025, Sumner Group opened 152 new job postings — about 13 per month.
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When was Sumner Group founded and where is it headquartered?
Sumner Group was founded in 1955 and is headquartered in St. Louis, Missouri.
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