What are business related expenses if you are a bookkeeper working from home?

What are business related expenses if you are a bookkeeper working for several clients from home?

These would be any expenses incurred to generate your income eg. stationery, computer depreciation, telephone, travel, software, training material etc

Please see if you can claim home office too Can I deduct home office expenses?

Remember to apportion expenditure between business and personal use and claim the business portion only.