What type of agreement for one-time off IT services sale?

[mrfranky]

I'm registered as a limited company. One of my past customers would like occasionally to request some IT consulting/development services in a fixed and short amount (2-5 hours):

Eg:

• Address a list of questions
• Develop a specific feature
• Fix certain bugs/defects

...

[midheach]

Hi All,

I recently started up and limited company and have been contracting through it. However, I am having trouble identifying what my accountant should be handling and what I should be handling myself.

Are the following considered normal accounting duties or am I asking...