COSAC & Safe2Site: UK Construction Training Recap 2025

12 December 2025

2025 has been a milestone year for COSAC and Safe2Site. As the original pioneers of fully online CSCS training—and as a CITB Approved Training Organisation—we’ve continued to lead the industry with fast, flexible, and accessible e-learning trusted across the UK.

This year, over 45,000 learners successfully completed their qualifications with us, maintaining our exceptional 98% pass rate and receiving their certificates within just 24 hours. We also maintained our 4.9-star rating across both Google and Trustpilot.

Our Growth in 2025

More Businesses Choosing COSAC

2025 saw a significant rise in the number of B2B clients choosing COSAC as their primary training partner. Construction companies, labour suppliers, and subcontractors relied on us for:

  • Fast onboarding of new staff
  • Bulk workforce training across multiple sites
  • Centralised certificate management
  • Reliable qualification journeys backed by CITB approval

Businesses choose us because our process is simple, efficient, and designed to reduce downtime—getting workers site-ready without delays.

Customer Service With a 4.9★ Reputation

Our customer support team has continued to be a major reason learners choose COSAC. With evening and weekend availability, fast responses, and expert guidance, customers consistently praise us for:

  • Clear support throughout the entire qualification
  • Quick help when needed
  • A stress-free online experience

This unmatched level of support helped maintain our excellent 4.9-star rating across all major platforms.

What Made COSAC Stand Out in 2025

The Original Online CSCS Course Provider

Before online construction training became mainstream, COSAC had already developed digital-first solutions that challenged traditional classroom models. Our Safe2Site Online CSCS Green Card course remains one of the most trusted ways to gain your CSCS qualification quickly and flexibly.

Why Being First Still Matters

  • More refined course content shaped by years of learner data
  • Better mobile and tablet accessibility
  • Fewer technical issues than newer providers
  • Assessment methods built from long-term industry insight

All-in-One CSCS Training: Safe2Site Premium

A major highlight this year was the continued growth of Safe2Site Premium, our all-in-one package that offers a seamless journey from training to assessment. It remains one of the most convenient ways to complete all requirements for the CSCS Green Card in one place.

Safe2Site Supervision – The Online SSSTS Alternative

2025 also saw more supervisors and businesses choosing Safe2Site Supervision—our online alternative to the SSSTS classroom course. Designed for easier access, better flexibility, and quicker completion, it has become a leading choice for those needing a supervisor-level qualification without the limitations of traditional training.

Our Impact in Numbers

  • 45,000+ learners trained in 2025
  • 98% pass rate across all Safe2Site courses
  • Certificates issued within 24 hours
  • 4.9-star ratings on Google & Trustpilot
  • More B2B clients choosing COSAC than ever before
  • CITB Approved e-learning and assessment delivery

Looking Ahead to 2026

As we move into 2026, our focus remains on doing what we do best: offering fast, accessible, and reliable training that helps learners and businesses move forward confidently. We aim to:

  • Maintain our strong work ethic and high service standards
  • Help learners qualify faster and more easily
  • Support even more businesses with scalable training solutions
  • Stay true to our core values of quality, simplicity, and support

We remain committed to building training that is practical, efficient, and designed for real-world construction needs.

A Heartfelt Thank You

As we reach the end of 2025, we want to say a genuine thank you to all the learners, companies, and partners who have trusted COSAC this year. Your success is the foundation of everything we do.

Whether you were entering the construction industry, renewing qualifications, becoming a supervisor, or upskilling your staff, we’re proud to have been part of your journey.


From all of us at COSAC, we wish you a Merry Christmas, a peaceful festive season, and a very Happy New Year. Here’s to a safe, successful, and productive 2026.

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