The government site businesslink.org has some enlightening information for you to consider when you want to consolidate and then grow your business. As well as increasing your market share by attracting new customers, there is advice on growth through diversification, joint projects and partnerships. Options for growth: increasing market share | Business Link
I think it's pitched at an accessible level and in tune with the government's latest drive. I personally feel that it is a good place to start and the content is without commercial bias. BusinessLink is a good resource for start-ups and has some useful information on getting your hands on some government money in the way of grants!
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Plan your Business Growth
My take
