SL Scripting Frequently Asked Question:
How much would it cost?
Please see the Services page for a description of offerings.
A set of 3D Virtual World Coding and Consulting Services is provided under the consultantPM Solutions and Services section of the pricing page.
To look for other LSL coders, and probably find cheaper pricing (and free quotes), check the official Second Life Solution Provider Directory.
Do it yourself:
If you have time, try learning to write software in LSL yourself (for cost savings). Here is a link to the Linden Scripting Language API. Enjoy!