Synchronous Digital Hierarchy (SDH)
England > London
The table below provides summary statistics and contractor rates for jobs advertised in London requiring SDH skills. It covers contract job vacancies from the 6 months leading up to 7 October 2026, with comparisons to the same periods in the previous two years.
|
|
6 months to 7 Oct 2026 |
Same period 2025 | Same period 2024 |
|---|---|---|---|
| Rank | 442 | 368 | 376 |
| Rank change year-on-year | -74 | +8 | +62 |
| Contract jobs citing SDH | 7 | 1 | 6 |
| As % of all contract jobs in London | 0.034% | 0.007% | 0.037% |
| As % of the Communications & Networking category | 0.43% | 0.077% | 0.39% |
| Number of daily rates quoted | 6 | 0 | 0 |
| 10th Percentile | £325 | - | - |
| 25th Percentile | £331 | - | - |
| Median daily rate (50th Percentile) | £350 | - | - |
| 75th Percentile | £376 | - | - |
| 90th Percentile | £385 | - | - |
| England median daily rate | £350 | £450 | £525 |
| % change year-on-year | -22.22% | -14.29% | -23.64% |
| Number of hourly rates quoted | 0 | 0 | 1 |
| Median hourly rate | - | - | £30.00 |
| England median hourly rate | - | £20.00 | £32.50 |
| % change year-on-year | - | -38.46% | +39.78% |
All Communications and Computer Networking Skills
London
SDH falls under the Communications and Computer Networking category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring communications or computer networking skills in London.
| Contract vacancies with a requirement for communications or computer networking skills | 1,642 | 1,307 | 1,536 |
| As % of all contract IT jobs advertised in London | 8.07% | 9.75% | 9.59% |
| Number of daily rates quoted | 1,035 | 838 | 950 |
| 10th Percentile | £294 | £282 | £256 |
| 25th Percentile | £404 | £404 | £400 |
| Median daily rate (50th Percentile) | £500 | £500 | £525 |
| Median % change year-on-year | - | -4.76% | -3.31% |
| 75th Percentile | £615 | £630 | £631 |
| 90th Percentile | £725 | £711 | £725 |
| England median daily rate | £500 | £486 | £500 |
| % change year-on-year | +2.83% | -2.75% | - |
| Number of hourly rates quoted | 64 | 36 | 19 |
| 10th Percentile | £19.50 | £18.66 | £23.80 |
| 25th Percentile | £22.50 | - | £24.59 |
| Median hourly rate | £52.50 | £25.15 | £35.00 |
| Median % change year-on-year | +108.75% | -28.14% | +32.08% |
| 75th Percentile | £95.00 | £39.06 | £55.88 |
| 90th Percentile | £155.00 | £59.88 | £66.38 |
| England median hourly rate | £38.72 | £35.00 | £57.43 |
| % change year-on-year | +10.63% | -39.05% | +1.66% |
SDH
Job Vacancy Trend in London
Historical trend showing the proportion of contract IT job postings citing SDH relative to all contract IT jobs advertised in London.
SDH
Daily Rate Trend in London
Contractor daily rate distribution trend for jobs in London citing SDH.
SDH
Hourly Rate Trend in London
Contractor hourly rate distribution trend for jobs in London citing SDH.
SDH
Co-Occurring Skills & Capabilities in London by Category
The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category: