Subcontractor Timesheet Collection for UK Construction Sites

subcontractor timesheet collection is the routine that keeps payroll ticking and projects on schedule, yet on many UK construction sites it creates needless friction. Site managers routinely spend several hours each week chasing subcontractor submissions; on a typical SME site with twenty subcontractors, three site managers can lose between 6 and 12 hours weekly to late or missing timesheets, a drain that pushes approvals into payroll cut-off windows and delays supplier payments. Those hours translate into operational delay, with simple administration often extending approval timelines by two to three working days on medium projects and complicating cashflow and scheduling decisions.

Paper timesheets and emailed spreadsheets add layers of manual work that heighten the chance of error. A lost paper form causes a payroll exception that requires calls, text messages and repeated site visits to resolve, and a single missing submission can block a whole payroll run for a subcontractor gang. On sites where supervisors record hours on clipboards, reconciliations can take a full day each week across multiple sites, compounding delays when timesheets need manager approval and payroll integration. In practice, paper methods create invisible friction: approvals stall, site leadership is diverted from safety and logistics, and finance teams see a spike in exception handling at pay runs.

Switching to automated workflows removes the need for repeated follow-up and puts submission responsibility where it belongs. Automated end-of-day prompts sent to subcontractors at a pre-set time normalise daily reporting and capture hours before crews leave site. Mobile-friendly forms that work on any web browser avoid downloads and account sign-ups, making it straightforward for crews to submit with a few taps. When combined with simple photo attachments for verification, digital submissions reduce payroll queries and allow manager approvals to happen in minutes rather than days. On small to medium enterprises operating five to twenty projects, this pattern can shorten approval lead times by up to 70 percent in practical terms, allowing payroll teams to batch runs without continual exception processing.

Power Automate can orchestrate every step of the timesheet lifecycle, from the subcontractor sending hours to payroll receiving a fully approved record. A common approach uses Power Automate to trigger a daily message that delivers a short form link to the subcontractor, captures their submission in Dataverse, routes the entry to a site manager for approval and then passes payroll-ready records to finance. Automation eliminates manual handoffs: approvals are tracked by the flow, audit trails are created automatically and missing submissions generate timed reminders rather than ad hoc calls. For an SME managing multiple small sites, this reduces administrative handover and makes data available for forecasting labour costs within hours of the work being done.

Design for the weakest digital link on site by keeping forms minimal and forgiving. A successful form captures worker identity, trade, hours, site code and an optional verification image. Power Automate flows should include validation steps to flag anomalies, such as overtime patterns that exceed contractual norms, and then route exceptions to the appropriate manager for rapid review. For payroll integration, map form fields to the payroll data model and include status flags that mark records as pending, approved or queried. This approach reduces duplicate entries and lowers the chance of human transcription errors that commonly arise from PDF or photo-based forms.

Start with a simple mobile form hosted on a responsive page and create a Power Automate flow that sends a scheduled SMS link each evening. Capture responses into Dataverse records linked to subcontractor accounts, then create an approval flow that notifies the site manager when submissions exceed specified thresholds.