There are a number of ways of going about the process of writing a good business plan. One of the most tried and time tested ways that works well is using a business plan template.
"Plans are useless; planning is indispensable," according to Dwight D. Eisenhower, then Commander of the Allied Forces in Europe during WWII. Now, you may be in total agreement with the first part of that statement, but you are really not convinced of the truth of the second part.
Why use business plans consultants? When you are in the act of putting together a small venture producing a proposal is one of the primary tasks you want to do. Composing the plan can be quite a touch challenging and will slow a lot of people down while they cannot wait to get going, having said that a good quality sound strategy is actually critical if you wish your organization to be successful and profitable.
While these are easily available online, some of them are way better than the others. A lot depends on the approach that goes into writing the business plan.