How many employees work at Input Output?

Input Output, Inc. has approximately 370 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Input Output’s total headcount has declined 22.2% from 476 employees in 2023 to 370 in 2026.

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

Is Input Output hiring right now?

Yes, Input Output is actively hiring. Input Output had 31 active job postings in 2026, a 77.2% decline from 2025 see job openings & hiring trends.

About Input Output’s Workforce

Input Output, Inc. is an Information Technology Services company that employs 370 people worldwide as of March 2026. It is the 9th-largest by headcount among its peers. Founded in 1991, the company is headquartered in Philadelphia, Pennsylvania.

Input Output's workforce has declined 22.2% from 2023 to 2026, down 11.3% year over year in 2026. It fell to a low of 370 in 2026 Q1 before recovering. Its workforce is concentrated most in the United Kingdom (27.7%), followed by the United States (23.2%) and Poland (4.0%), with Switzerland, its fastest-growing location.

Input Output's largest functional groups are Engineering (45.9%), Finance and Operations (37.2%), and Sales and Marketing (16.9%). Median employee tenure is 2.5 years. The average salary is $108,141, ranging from a median of $119,000 in Northern America to $62,000 in Eastern Europe.

Input Output's active job postings fell 77.2% in 2026 to 31, with new postings per month cooling from 33 in 2023 to 19 in 2026. Overall employee sentiment is negative and declining.

Sourced from Revelio Labs workforce data.

Headquarters
Philadelphia, Pennsylvania
Founded
1991
Industry
Information Technology Services
Employees
370
YoY
-11.3% (-102)

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Input Output Annual Employee Count (2023-2026)

Interactive chart of Input Output annual worldwide employee count from 2023 to 2026.
  • Input Output had 370 employees in 2026, a 11.3% decline (-102) from 2025.
  • Input Output had 434 employees in 2025, a 6.0% decline (-29) from 2024.
  • Input Output had 463 employees in 2024, a 1.5% decline (-22) from 2023.
  • Input Output had 485 employees in 2023, a 2.9% decline (-55) from 2022.

Input Output's total workforce has declined from 476 employees in 2023 to 370 in 2026. Input Output's headcount peaked at 500 in 2024.

Input Output, Inc. quarterly employee count

YearQtrEmployeesYoY ChangeYoY %
2026Q1370-102-11.3%
2025Q4434-29-6.0%
2025Q3471-14-3.5%
2025Q2477-23-3.8%
2025Q1472-15-3.7%
2024Q4463-22-1.5%
2024Q3485+9+1.0%
2024Q2500+24+0.7%
2024Q1487-19+0.2%
2023Q4485-55-2.9%
2023Q3476-70-4.2%
2023Q2476-34-3.8%

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Input Output Employee Count by Country and Region (2026)

The United Kingdom accounts for the largest share of Input Output's global workforce with approximately 28% of total employees, followed by the United States and Poland. Input Output's headcount in Switzerland is growing fastest among its major locations, up 10.3% year over year in 2026.

Input Output employees by country

CountryEmployees% of TotalYoY %
United Kingdom9327.7%-18.5%
United States7723.2%-20.3%
Poland134.0%-12.5%
Germany123.7%-13.2%
Spain113.3%-42.6%
Canada113.2%+0.5%
Argentina92.6%+0.0%
Switzerland82.5%+10.3%
France72.2%-23.9%
Ireland61.9%-19.9%

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Input Output Employee Count by Department (2026)

Input Output's largest employee groups are Engineering (45.9%), Finance and Operations (37.2%), and Sales and Marketing (16.9%).

Input Output employees by department

DepartmentEmployees% of TotalYoY %
Engineering16945.9%-18.1%
Finance and Operations13737.2%-17.0%
Sales and Marketing6216.9%-18.2%

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Input Output Employee Salary by Region (2026)

Input Output's average employee salary is $108,141 globally. Employees in Northern America receive the highest compensation. Pay is lowest in Eastern Europe, at a median of $62,000.

Input Output median employee salary by region (USD)

RegionMedian Salary
Northern America$119,000
Western Europe$115,000
Northern Europe$95,000
South-Eastern Asia$74,000
Southern Europe$68,000
Eastern Europe$62,000
Central America and the Caribbean$58,000
Eastern Asia$58,000
Central and Western Asia$39,000
Southern America$39,000
Southern Asia$13,000
Sub-Saharan Africa$13,000

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Input Output Job Openings and Hiring Trends (2023-2026)

Interactive chart of Input Output annual active job postings from 2023 to 2026.
  • Input Output had 31 active job postings in 2026, a 77.2% decline (-80) from 2025.
  • Input Output had 111 active job postings in 2025, a 74.1% increase (+60) from 2024.
  • Input Output had 51 active job postings in 2024, a 19.5% decline (-11) from 2023.
  • Input Output had 62 active job postings in 2023, a 144.4% increase from 2022.
  • Hiring velocity in 2026: 19 new roles/month, down from 56 in 2025 and 42 in 2024.

Input Output's hiring is slowing: active job postings fell 77.2% in 2026 to 31, with new postings per month cooling from 33 in 2023 to 19 in 2026.

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Input Output Employee Sentiment (2026)

Revelio Labs tracks employee sentiment across Input Output'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 Input Output

How fast is Input Output growing?
In 2026, Input Output's headcount shrank 11.3% to 370 employees, down from 472 in 2025.
Where are Input Output employees located?
Most Input Output employees are based in the United Kingdom (27.7% of headcount), followed by the United States and Poland.
What is the average salary at Input Output?
The average employee salary at Input Output is approximately $108.1k per year.
How many people does Input Output hire per year?
In 2026, Input Output opened roughly 228 new roles — about 19 per month.
When was Input Output founded and where is it headquartered?
Input Output was founded in 1991 and is headquartered in Philadelphia, Pennsylvania.

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