Statistical data set

SIA approved contractors

Data on SIA approved contractors. Includes the total number of approved contractors and a breakdown by licensing sector and UK region.

This page is updated on a monthly basis.

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Updates to this page

Published 18 December 2020
Last updated 18 March 2025 show all updates
  1. Updated with the statistics for March 2025.

  2. Updated with data from February 2025.

  3. Updated for January 2025.

  4. Updated with the statistics for December 2024.

  5. Updated with the statistics for November 2024.

  6. Updated with the October 2024 statistics.

  7. Updated for September 2024.

  8. Updated to include figures for August 2024.

  9. Updated with July 2024 data

  10. Updated to include figures for June 2024

  11. Added the report for May 2024.

  12. Added the report for April 2024.

  13. Added the report for March 2024.

  14. Added the report for February 2024.

  15. Added the report for January 2024.

  16. Added the report for December 2023.

  17. Added the report for November 2023.

  18. Added the report for October 2023.

  19. Added the report for September 2023.

  20. Added the report for August 2023.

  21. Added the report for July 2023.

  22. Added the report for June 2023.

  23. Added the report for May 2023.

  24. Added the report for April 2023.

  25. Added the report for March 2023.

  26. Added the report for February 2023.

  27. Added the report for January 2023.

  28. Added the report for December 2022.

  29. Added the report for November 2022.

  30. Added the report for October 2022.

  31. Added the report for September 2022.

  32. Added the report for August 2022.

  33. Added the report for July 2022.

  34. Added the report for June 2022.

  35. Added the report for May 2022.

  36. Added the report for April 2022.

  37. Added the report for March 2022.

  38. Added the report for February 2022.

  39. Added the report for January 2022.

  40. Added the report for December 2021.

  41. Added the report for November 2021.

  42. Added the report for October 2021.

  43. Added the report for September 2021.

  44. Added the report for August 2021.

  45. Added the report for July 2021.

  46. Added the report for June 2021.

  47. Added the report for May 2021.

  48. Added the report for April 2021.

  49. Added the report for March 2021.

  50. Added the report for February 2021.

  51. Added the report for January 2021.

  52. First published.