How do I dispute an HCS invoice? Please fill out the form below to dispute an invoice from Hammersmith Construction Services Notice: JavaScript is required for this content. Updated on 02/21/2019 Tagged: constructionconstruction servicesdisputehcsinvoice Related Articles How do I request a bid from Hammersmith Roofing? Hammersmith Roofing Where can I find Vantaca training, resources, and help? How do I request a bid from HCS? Need Support?Can't find the answer you're looking for?Contact Support