How many employees work at TWI?

TWI Ltd. has 1,469 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is -6.5%.

Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025

About TWI

Looking to develop the skills that will make you a highly skilled engineer and leader of enterprise? Look no further than the industry-led academic and professional development programmes offered by the National Structural Integrity Research Centre (NSIRC). NSIRC is managed by structural integrity specialist TWI (The Welding Institute). With lead academic partner in Brunel University London, and over 40 other world-leading universities, NSIRC conducts in-depth explorations and research that is tailored to meet the needs of industry. Founded by TWI, Lloyds Register Foundation, and bp, NSIRC is dedicated to providing academic and industrial excellence to address the need for fundamental research and high-quality, industry-relevant training that will create the workforce of the future. NSIRC's research advances fundamental knowledge to support the safe operation of products and structures, develop innovative fit-for-purpose technologies and design rules, and demonstrate solutions for long-term asset management. Join NSIRC in shaping the future of engineering and science through cutting-edge research and professional development.

As of September 2025

TWI
workforce metrics

Headcount

1.5k

Avg. Salary

$58k

Tenure

5.0yr

Growth Rate

-6.5%

Hiring Rate

Attrition Rate

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Employee Headcount

Interactive chart of TWI annual worldwide employee count from 2023 to 2025.

  • TWI total number of employees in 2025 was 1,456.138, a 6.5% decline from 2024.
  • TWI total number of employees in 2024 was 1,510.976, a 1.3% decline from 2023.
  • TWI total number of employees in 2023 was 1,534.465, a 0.6% decline from 2022.

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Employee Geographic Breakdown

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Employee Role Breakdown

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Employee Compensation

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Active Job Postings

Interactive chart of TWI annual active job postings from 2023 to 2025.

  • TWI active job postings in 2025 was 48, a 13.6% decline from 2024.
  • TWI active job postings in 2024 was 51, a 28.6% decline from 2023.
  • TWI active job postings in 2023 was 68, a 74.7% increase from 2022.

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Employee Sentiment

Sentiment Topics

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