Billtrust | 139,383 followers on LinkedIn. Billtrust is the leader in B2B accounts receivable workflow and payment software. | If you’re a finance pro ready to transform accounts receivable, or a bold thinker looking to do meaningful work, Billtrust is where you belong. Billtrust is the leader in B2B accounts receivable workflow and payment software. Our AI-powered solutions simplify the entire AR lifecycle - from rapid digital invoice distribution to easy payment application - so companies can control costs, delight customers, and accelerate cash flow without breaking a sweat.