Tim Middlemiss: Independent Consultant for Social Impact is rated 3 out of 5 in the category civic & social organization. Read and write reviews about Tim Middlemiss: Independent Consultant for Social Impact. For more than a decade, I've helped purpose-driven organisations reach more people, engage new audiences, build their revenue, and ultimately have more impact. So, if you're trying to make the world a better place, I'm here to help.