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Time is charged at an hourly rate which can vary with the number of hours used.

Tom's time:
HoursHourly rate
Base rate£95
9-40.75£85
41+£75

Caroline's time:
HoursHourly rate
Base rate£65
9-40.75£60
41+£55

Rates are quoted net of VAT.

Dependency on time

For clients who are both regular and frequent, we offer the privilege of monthly aggregation. On this plan, you use our time by advance arrangement, and at the end of every month you will pay for the hours you've used at a rate appropriate to the total number of GKT personnel hours you have used during that month. If you have this status, and in one calendar month you use 5 Tom hours and 15 Caroline hours - a total of 20 GKT hours - you pay for the Tom hours at £75 per hour, and the Caroline hours at £50 per hour. We reserve the right to withdraw this status if we feel it is being abused.

On-site presence

For on-site work in the city of Cambridge, it's rates as shown, for time spent onsite.

On-site outside the city, it's rates as shown, but the time includes time in transit as well as time spent onsite, and travel expenses are charged additionally.

Out-of-hours work

Requested weekend work is an additional 50%.
Requested bank holiday work is an additional 100%.
At all times, work requested between 1800h and 2300h London time adds a further 25%, and between 2300h and 0800h adds a further 50%.