How many employees work at Mimecast UK?

Mimecast UK Ltd. has approximately 2,812 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Mimecast UK’s total headcount has declined 11.2% from 3,167 employees in 2023 to 2,812 in 2026.

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

Is Mimecast UK hiring right now?

Yes, Mimecast UK is actively hiring. Mimecast UK had 80 active job postings in 2026, a 26.1% decline from 2025 see job openings & hiring trends.

About Mimecast UK’s Workforce

Mimecast UK Ltd. is an Information Technology Services company that employs 2,812 people worldwide as of March 2026. It is the 5th-largest by headcount among its peers. Founded in 2003, the company is headquartered in London, United Kingdom.

Mimecast UK's workforce has declined 11.2% from 2023 to 2026, down 4.3% year over year in 2026. It fell to a low of 2,812 in 2026 Q1 before recovering. Its workforce is concentrated most in North America (41.0%), followed by Northern Europe (22.5%) and Sub-Saharan Africa (14.2%).

Mimecast UK's functional groups are Finance and Operations (43.2%), Engineering (38.3%), and Sales and Marketing (18.5%), with Engineering growing fastest (up 0.7%). The average salary is $112,519, ranging from a median of $131,000 in Northern Europe to $32,000 in Sub-Saharan Africa, up 1.9% year over year in 2026.

Mimecast UK's active job postings fell 26.1% in 2026 to 80, with new postings per month cooling from 152 in 2023 to 44 in 2026. Overall employee sentiment is negative and declining.

Sourced from Revelio Labs workforce data.

Headquarters
London, United Kingdom
Founded
2003
Industry
Information Technology Services
Employees
2,812
YoY
-4.3% (-258)

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Mimecast UK Annual Employee Count (2023-2026)

Interactive chart of Mimecast UK annual worldwide employee count from 2023 to 2026.
  • Mimecast UK had 2,812 employees in 2026, a 4.3% decline (-258) from 2025.
  • Mimecast UK had 2,868 employees in 2025, a 4.8% decline (-251) from 2024.
  • Mimecast UK had 3,119 employees in 2024, a 2.0% decline (-25) from 2023.
  • Mimecast UK had 3,144 employees in 2023, a 2.1% decline (-16) from 2022.

Mimecast UK's total workforce has declined from 3,167 employees in 2023 to 2,812 in 2026. Mimecast UK's headcount peaked at 3,191 in 2024.

Mimecast UK Ltd. quarterly employee count

YearQtrEmployeesYoY ChangeYoY %
2026Q12,812-258-4.3%
2025Q42,868-251-4.8%
2025Q32,887-304-5.1%
2025Q22,900-259-5.1%
2025Q13,070-24-2.1%
2024Q43,119-25-2.0%
2024Q33,191+67-1.6%
2024Q23,159-8-3.3%
2024Q13,094-84-2.7%
2023Q43,144-16-2.1%
2023Q33,124-38-2.9%
2023Q23,167+28-0.6%

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Mimecast UK Employee Count by Region (2026)

North America accounts for the largest share of Mimecast UK's global workforce with approximately 41% of total employees, followed by Northern Europe and Sub-Saharan Africa.

Mimecast UK employees by region

RegionEmployees% of Total
North America1,11841.0%
Northern Europe61422.5%
Sub-Saharan Africa38714.2%
South Asia2699.9%
Pacific Islands1084.0%
Southeast Asia742.7%
Western Europe692.5%
Central and Western Asia281.0%
Arab States210.8%
Southern Europe150.6%

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Mimecast UK Employee Count by Department (2026)

Mimecast UK's employee groups are Finance and Operations (43.2%), Engineering (38.3%), and Sales and Marketing (18.5%).

Mimecast UK employees by department

DepartmentEmployees% of Total
Finance and Operations1,20243.2%
Engineering1,06738.3%
Sales and Marketing51618.5%

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Mimecast UK Employee Salary by Region (2026)

Mimecast UK's average employee salary is $112,519 globally. Employees in Northern Europe receive the highest compensation, with median pay approximately 1.2x the global average. Pay is lowest in Sub-Saharan Africa, at a median of $32,000.

Mimecast UK median employee salary by region (USD)

RegionMedian Salary
Northern Europe$131,000
North America$130,000
Pacific Islands$112,000
Western Europe$100,000
Arab States$91,000
Central and Western Asia$78,000
East Asia$53,000
Southern Europe$51,000
Eastern Europe$49,000
South Asia$36,000
Sub-Saharan Africa$32,000
Southeast Asia$24,000
South America$15,000

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Mimecast UK Job Openings and Hiring Trends (2023-2026)

Interactive chart of Mimecast UK annual active job postings from 2023 to 2026.
  • Mimecast UK had 80 active job postings in 2026, a 26.1% decline (-58) from 2025.
  • Mimecast UK had 138 active job postings in 2025, a 25.3% increase (+31) from 2024.
  • Mimecast UK had 107 active job postings in 2024, a 46.0% decline (-64) from 2023.
  • Mimecast UK had 171 active job postings in 2023, a 27.7% decline from 2022.
  • Hiring velocity in 2026: 44 new roles/month, down from 82 in 2025 and 149 in 2024.

Mimecast UK's hiring is slowing: active job postings fell 26.1% in 2026 to 80, with new postings per month cooling from 152 in 2023 to 44 in 2026.

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Mimecast UK Employee Sentiment (2026)

Revelio Labs tracks employee sentiment across Mimecast UK'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 Mimecast UK

How fast is Mimecast UK growing?
In 2026, Mimecast UK's headcount shrank 4.3% to 2,812 employees, down from 3,070 in 2025.
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Where are Mimecast UK employees located?
Most Mimecast UK employees are based in North America (41.0% of headcount), followed by Northern Europe and Sub-Saharan Africa.
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What is the average salary at Mimecast UK?
The average employee salary at Mimecast UK is approximately $112.5k per year.
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How many new job postings does Mimecast UK open per year?
In Q1 2026, Mimecast UK opened 132 new job postings. In 2025, Mimecast UK opened 982 new job postings — about 82 per month.
Track hiring trends by role
When was Mimecast UK founded and where is it headquartered?
Mimecast UK was founded in 2003 and is headquartered in London, United Kingdom.
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