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Underbilling refers to a scenario in the construction industry where the actual costs incurred on a project surpass the billed amount for a specific time period. Often occurring unintentionally due to unexpected cost variations, it results in a deficit situation for the contractor. It is essentially an imbalance where the contractor has delivered more work or materials than they have billed the client for. Underbilling can strain cash flow and disrupt project schedules if not addressed promptly. While this might prove beneficial to the client in the short term, contractors need to ensure that they identify and rectify underbilling to maintain project profitability and financial stability.

Variance analysis in the construction industry refers to the process of investigating the difference between actual and planned costs, schedules, or resources during a construction project’s life cycle. It focuses on identifying and understanding discrepancies between what was initially proposed and the actual outcome, allowing project managers to spot inefficiencies, control costs, and adjust project goals accordingly. 

For instance, if a construction project was expected to consume $200,000 in materials but actually consumed $250,000, a variance analysis would examine why this $50,000 overspend occurred—whether due to price inflation, inaccurate estimating, or uncontrolled scope changes. It is a crucial tool for proactive project management, allowing early detection of performance issues and enabling timely corrective actions. Understanding the causes of variances also informs future project planning, improving the accuracy of estimates and success rates of subsequent projects.

For subcontractors specifically, variance analysis offers several key benefits that ultimately help to improve overall business performance. Regularly running variance analyses can help:

• Refine the bidding process by identifying areas where estimates were off, leading to more accurate future bids
• Aids in cash flow management, allowing subcontractors to better predict and manage their financial resources by anticipating potential overruns or savings
• Highlight areas for efficiency improvements, potentially increasing profitability
• Provide concrete support for change order requests when unforeseen circumstances affect project costs
• Identify potential risks in future projects and develop mitigation strategies
• Proactively communicate variance causes to general contractors (GCs) or the client, building trust and demonstrating professionalism
• Inform better resource allocation decisions, ensuring labor and materials are used most effectively across different projects

Effective variance analysis demands comprehensive financial data. Siteline streamlines this process by meticulously tracking change orders and generating precise pay applications, ensuring all A/R functions are accurately documented and seamlessly incorporated into variance calculations. This allows subcontractors to focus their energy on interpreting results and implementing corrective actions, ultimately improving project management and profitability. 

AA trade contractor, also known as a subcontractor, is a specialized construction professional hired by a general contractor (GC), construction management property, owner, developer, or other entity to complete specific aspects of a construction project. Trade contractors typically specialize in a particular trade or craft, such as electrical work, plumbing, HVAC installation, framing, roofing, glazing, flooring, or drywall installation. They are bound by a contract that outlines the tasks to be performed, deadlines, and terms of payment. 

Trade contractors are distinguished from GCs in several ways. GCs oversee the entire construction project, managing all aspects from start to finish, including coordinating trade contractors, obtaining permits, and ensuring compliance with building codes and regulations. Trade contractors, on the other hand, focus solely on their specialized area of work and are responsible for completing their specific tasks according to the project's plans and specifications.

Trade contractors face extensive payment cycles, as they cover all labor and material costs upfront for a project yet receive payment last. Progress billing further complicates the matter, mandating that GCs only reimburse trade contractors based on project completion percentage. This system requires trade contractors to invoice GCs every month for the work completed, which exposes them to various factors that can delay progress billing further. These include:

• using the wrong pay application form, 
• missing documentation, 
• lien waiver oversights, 
• submitting pay apps through the wrong GC portal, 
• general project delays and disputes, or 
• the GC’s own cash flow issues.

As a result, most trade contractors wait about 90 days to get paid for the work they’ve already done, which can strain their cash flow and hamper their ability to take on new projects or pay their employees and suppliers.

This is where Siteline comes in. Siteline is a construction billing solution built specifically to streamline the subcontractor A/R workflow. With Siteline, trade contractors can easily generate and submit detailed pay apps tailored precisely to each GC's requirements. The platform also:

• tracks all compliance requirements and stores pertinent documents;
• tracks, collects, and submits lien waivers for the sub and their lower tiers; 
• ensures approved change orders are incorporated into the schedule of values; 
• provides full visibility into billing statuses across projects—including which GCs pay fastest to better anticipate cash flow; and
• creates accurate billing projections to monitor progress and effectively manage backlog.

By eliminating manual spreadsheets and centralizing all billing data, Siteline helps trade contractors accelerate their payment cycle by an average of three weeks. Discover how Siteline can get your subcontracting business paid faster by scheduling a demo today.