List of the Top 3 Billing and Invoicing Software for Sage 300 Construction and Real Estate (CRE) in 2026

AvidXchange revolutionizes payment processes for businesses, enabling them to concentrate on their core priorities. Our accounts payable (AP) solutions empower clients to enhance efficiency, transparency, and authority within their AP workflows. Enhance Efficiency: Expedite the approval of invoices and minimize administrative burdens, allowing team members to engage in more critical initiatives. Boost Transparency & Authority: Achieve immediate insights into the status of invoices and payments while crafting personalized workflows to align with your approval requirements. Access Anytime, Anywhere: Enhance productivity and eliminate delays by managing AP responsibilities around the clock. Moreover, AvidXchange, Inc. operates as a licensed money transmitter for B2B payments across the U.S., holding a Money Transmitter license from the New York State Department of Financial Services, along with other states necessitating such a license. This extensive regulatory compliance underscores our commitment to secure and reliable financial transactions.

Lockstep, an acclaimed platform that unites finance teams globally, is enhancing their collaborative efficiency. Established in 2019, Lockstep aims to eradicate cash traps and discrepancies resulting from the manual synchronization of financial records between B2B trading partners. Operating out of Seattle, Lockstep offers a connected accounting cloud that allows organizations to forge reliable and compliant accounting relationships. This trusted accounting solution supports businesses of all sizes in optimizing their collections management processes, ultimately driving better financial outcomes. With Lockstep, finance teams can focus more on strategic initiatives rather than being bogged down by administrative tasks.

Siteline is the sole billing software designed specifically for trade contractors. Our platform manages the complete billing process: we digitize payment applications, producing the precise forms required by your general contractors, allowing your accounting team to expedite project billing six times faster, which in turn lets them concentrate more on cash collection without needing additional resources. We also seamlessly integrate with popular payment platforms such as Textura and GC Pay for a smoother workflow. Moreover, we take care of the lien waiver process, addressing both your general contractors and any subcontractors, in addition to managing necessary compliance documents like Certificates of Insurance, thus removing obstacles that could delay timely payments. Our software is compatible with most accounting and ERP systems, and we pride ourselves on having a supportive onboarding team comprised of professionals with construction industry experience. This understanding of the trade ensures that our clients receive tailored assistance throughout their journey with us.