How many employees work at Sparta Global?

Sparta Global Ltd. has 858 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 3.5%.

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

About Sparta Global

Testing Circle is leading Software Testing Services provider to leading Finance, Telco, Government, Retail, Gaming, Media and FTSE 100 clients. Based in London in the UK, our track record of success is reflected in our record of unbroken profitability and organic growth. Since 2005 Testing Circle has been building solid, lasting relationships with satisfied clients across the UK and Europe. Testing Circle now delivers turnover in excess of £16 million and has ambitious plans for further growth in the next 24 months. Our services include: Consulting - Specialist software testing consultancy services include strategic consultancy, test management, functional testing, performance testing, test automation, agile testing, DevOps consultancy, integration testing and test environments management. Staff Augmentation - Testing Circle's test professionals are available to augment test teams to deliver services across the full lifecycle. Testing Circle provides access to a flexible and cost effective pool of test professionals to augment areas where more test expertise is required. With an unrivalled team of test professionals, all with qualified backgrounds in software testing. Testing Circle can assemble the perfect team of software testing professionals. Sparta Global Academy - Testing Circle's IT Academy branded Sparta Global provides high calibre graduate consultants with intensive training in Testing, SDET and DevOps to work for our clients on-site or on remote testing projects. Our test consultants are equipped with the necessary practical skills to add value to any client team and offer a cost effective, flexible and high quality alternative to traditional contractors and offshore and nearshore services.

As of September 2025

Sparta Global
workforce metrics

Headcount

858

Avg. Salary

$62.3k

Tenure

2.4yr

Growth Rate

3.5%

Hiring Rate

Attrition Rate

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Employee Headcount

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

  • Sparta Global total number of employees in 2025 was 905.812, a 3.5% increase from 2024.
  • Sparta Global total number of employees in 2024 was 841.897, a 11.7% decline from 2023.
  • Sparta Global total number of employees in 2023 was 909.282, a 33.4% 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 Sparta Global annual active job postings from 2023 to 2025.

  • Sparta Global active job postings in 2025 was 271, a 166.2% increase from 2024.
  • Sparta Global active job postings in 2024 was 15, a 150.8% decline from 2023.
  • Sparta Global active job postings in 2023 was 107, a 67.5% increase from 2022.

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Employee Sentiment

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