Hedgehog Communications LLP | 69 followers on LinkedIn. Need a sharper edge? Use a hedgehog! | Set up in 2002, Hedgehog Communications LLP is one of the most established copywriting agencies in Singapore. We recognise the need for crisp, clear writing to achieve effective and competitive communication. We write with your objectives, target audience and medium in mind, so as to give you that professional edge and lustre in all your written communications.