How many employees work at Slac Natl Accelerator Lab?

Slac National Accelerator Laboratory has approximately 1,833 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Slac Natl Accelerator Lab's total headcount has grown 6.3% from 1,725 employees in 2023 to 1,833 in 2026.

Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published June 2026

Slac Natl Accelerator Lab is hiring

Is Slac Natl Accelerator Lab hiring right now?

Yes, Slac Natl Accelerator Lab is actively hiring. Slac Natl Accelerator Lab had 84 active job postings in 2026, a 59.4% decline from 2025 see job openings & hiring trends.

About Slac Natl Accelerator Lab's Workforce

Slac National Accelerator Laboratory is a Research and Development company that employs 1,833 people worldwide as of March 2026. It is the 8th-largest by headcount among its peers. Founded in 1962, the company is headquartered in Menlo Park, California.

Slac Natl Accelerator Lab's workforce has grown 6.3% from 2023 to 2026, and it is up 0.7% year over year in 2026. Its headcount peaked earlier, with a low of 1,675 in 2023 Q3 before recovering. The workforce is concentrated most in the United States (98.9%), followed by the United Kingdom (0.2%) and Canada (0.2%), with Canada, its fastest-growing location, up 23.5%.

Slac Natl Accelerator Lab's largest functional groups are Finance and Operations (48.9%), Engineering (27.6%), and Sales and Marketing (23.5%). The average tenure is 6.8 years, and the average salary is $139,917, ranging from a median of $142,000 in Northern America to $48,000 in Southern America.

Slac Natl Accelerator Lab's active job postings fell 59.4% in 2026 to 84, with new postings per month cooling from 58 in 2023 to 33 in 2026. Overall employee sentiment is neutral but declining.

Sourced from Revelio Labs workforce data.

As of March 2026

Slac Natl Accelerator Lab
workforce metrics

Headcount

1.8k

0.7% YoY

Avg. Salary

$139.9k

1.6% YoY

Tenure

6.8yr

0.3yr YoY

Growth Rate

0.7%

5.8pts YoY

Hiring Rate

Attrition Rate

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Interactive chart of Slac Natl Accelerator Lab annual worldwide employee count from 2023 to 2026.
  • Slac Natl Accelerator Lab had 1,833 employees in 2026, a 0.7% increase (+12) from 2025.
  • Slac Natl Accelerator Lab had 1,816 employees in 2025, a 1.1% increase (+21) from 2024.
  • Slac Natl Accelerator Lab had 1,795 employees in 2024, a 6.1% increase (+107) from 2023.
  • Slac Natl Accelerator Lab had 1,688 employees in 2023, a 6.0% increase (+99) from 2022.

Slac Natl Accelerator Lab's total workforce has grown from 1,725 employees in 2023 to 1,833 in 2026.

Slac National Accelerator Laboratory — quarterly employee count (20232026)

YearQtrEmployeesYoY ChangeYoY %
2026Q11,833+12+0.7%
2025Q41,816+21+1.1%
2025Q31,839+67+3.7%
2025Q21,928+119+6.3%
2025Q11,821+114+6.5%
2024Q41,795+107+6.1%
2024Q31,772+97+5.7%
2024Q21,809+84+4.8%
2024Q11,707+112+6.8%
2023Q41,688+99+6.0%
2023Q31,675+77+4.7%
2023Q21,725+96+5.7%

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The United States accounts for the largest share of Slac Natl Accelerator Lab's global workforce with approximately 99% of total employees, followed by the United Kingdom and Canada. Slac Natl Accelerator Lab's headcount in Canada is growing fastest among its major locations, up 23.5% year over year in 2026.

Slac Natl Accelerator Lab employees by country — 2026

CountryEmployees% of TotalYoY %
United States1,80198.9%-3.4%
United Kingdom40.2%+0.0%
Canada30.2%+23.5%
Chile30.2%+0.0%
Switzerland30.2%+0.0%
France10.1%+0.0%
Egypt10.1%+0.0%
Congo - Democratic Republic of the Congo10.1%+0.0%
Philippines10.1%+0.0%
Namibia10.0%+0.0%

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Slac Natl Accelerator Lab's largest employee groups are Finance and Operations (48.9%), Engineering (27.6%), and Sales and Marketing (23.5%).

Slac Natl Accelerator Lab employees by department — 2026

DepartmentEmployees% of TotalYoY %
Finance and Operations89148.9%-1.3%
Engineering50227.6%-3.8%
Sales and Marketing42923.5%-6.7%

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Slac Natl Accelerator Lab's average employee salary is $139,917 globally. Employees in Northern America receive the highest compensation. Pay is lowest in Southern America, at a median of $48,000.

Slac Natl Accelerator Lab median employee salary by region — 2026 (USD)

RegionMedian Salary
Northern America$142,000
Western Europe$119,000
Northern Europe$82,000
Southern America$48,000

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Interactive chart of Slac Natl Accelerator Lab annual active job postings from 2023 to 2026.
  • Slac Natl Accelerator Lab had 84 active job postings in 2026, a 59.4% decline (+10) from 2025.
  • Slac Natl Accelerator Lab had 74 active job postings in 2025, a 61.7% decline (-66) from 2024.
  • Slac Natl Accelerator Lab had 140 active job postings in 2024, a 77.2% increase (+78) from 2023.
  • Slac Natl Accelerator Lab had 62 active job postings in 2023, a 70.2% decline from 2022.
  • Hiring velocity in 2026: 33 new roles/month, down from 41 in 2025 and 59 in 2024. New metric

Slac Natl Accelerator Lab's hiring is slowing: active job postings fell 59.4% in 2026 to 84, with new postings per month cooling from 58 in 2023 to 33 in 2026.

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Revelio Labs tracks employee sentiment across Slac Natl Accelerator Lab's workforce based on public professional data. Overall sentiment is neutral and has declined year over year in 2026.

Overall

NegativePositive

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How fast is Slac Natl Accelerator Lab growing?
In 2026, Slac Natl Accelerator Lab's headcount grew 0.7% to 1,833 employees, up from 1,821 in 2025.
Where are Slac Natl Accelerator Lab employees located?
Most Slac Natl Accelerator Lab employees are based in the United States (98.9% of headcount), followed by the United Kingdom and Canada.
What is the average salary at Slac Natl Accelerator Lab?
The average employee salary at Slac Natl Accelerator Lab is approximately $139.9k per year.
How many people does Slac Natl Accelerator Lab hire per year?
In 2026, Slac Natl Accelerator Lab opened roughly 396 new roles — about 33 per month.
When was Slac Natl Accelerator Lab founded and where is it headquartered?
Slac Natl Accelerator Lab was founded in 1962 and is headquartered in Menlo Park, California.

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