As of April 22, 2025, the average annual salary for an Administrative Assistant III in the United Kingdom is £34,189, with an hourly rate of £16, according to Salary.com Global Salary IQ data. The average salary ranges from £32,380 to £37,508, influenced by factors like location, education, experience, and more.
| Percentile | Salary | Location | Last Updated |
| 25th Percentile Administrative Assistant III Salary | £32,380 | United Kingdom | April 22, 2025 |
| 50th Percentile Administrative Assistant III Salary | £34,189 | United Kingdom | April 22, 2025 |
| 75th Percentile Administrative Assistant III Salary | £37,508 | United Kingdom | April 22, 2025 |
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SalaryIQTMSalary.com provides you with accurate and diversified Administrative Assistant III salary data based on specialized databases to help you get a fairer salary. The average annual pay for an Administrative Assistant III is about £34,189 a year, this translates to an approximate hourly rate of £16, a monthly salary of about £2,849, and a weekly pay of around £657. Click the switch button below to see more details about Administrative Assistant III hourly pay, weekly pay, monthly pay, and so on.
An Administrative Assistant III's salary varies significantly based on experience level. Entry typically earn £32,380 - £33,514, while Intermediate make £32,542 - £33,649, Senior earn £32,947 - £34,000, Specialist earn £33,514 - £34,783, Expert can reach £34,684 - £36,616 or more, depending on the company and location.
| Levels | Salary |
|---|---|
| Entry Level Administrative Assistant III | £33,163 |
| Intermediate Level Administrative Assistant III | £33,298 |
| Senior Level Administrative Assistant III | £33,649 |
| Specialist Level Administrative Assistant III | £34,189 |
| Expert Level Administrative Assistant III | £35,923 |
| Entry Level | 3% |
| Intermediate Level | 3% |
| Senior Level | 2% |
| Specialist Level | 0% |
| Expert Level | 5% |
Mastering key skills can significantly increase your earning potential as an Administrative Assistant III. According to Salary.com's Real-time Job Posting Data, expertise in Customer Service can lead to a 10% salary raise, while strong Accounting skills boost pay by a 3%. Even Purchasing can result in a 1% salary increase.
| Skills | Salary | Demand | |
|---|---|---|---|
| Skill & Salary | Demand | ||
| Customer Service | £37,608 |
Customer Service
£37,608
|
10%
|
| Accounting | £35,215 |
Accounting
£35,215
|
3%
|
| Purchasing | £34,531 |
Purchasing
£34,531
|
1%
|
| Bookkeeping | £34,531 |
Bookkeeping
£34,531
|
1%
|
| Onboarding | £34,531 |
Onboarding
£34,531
|
1%
|
As of April 22, 2025 , an Sales Administrative Assistant III makes less than an Administrative Assistant III. An Sales Administrative Assistant III earns an average annual salary of £29,304. And an Administrative Assistant III earns an average annual salary of £34,189.
| Job Title | Salary Range in GBP |
|---|---|
| Sales Administrative Assistant III |
|
| Administrative Assistant |
|
| Sales Assistant III |
|
| Administrative Assistant I |
|
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