(650) 332-8623Subcontractor Management: Tips & Best Practices
How general contractors track subcontractor time and productivity, plus hiring, contracts, and management best practices.
Quick Answer
General contractors track subcontractor time and productivity in two ways. Input tracking verifies jobsite presence and hours through sign-ins, kiosk clock-ins, or jobsite-scoped GPS. Output tracking records what was built through daily reports, units installed, earned hours, or percent complete.
Independent-contractor status depends on the full working relationship. For subcontractors, keep tracking tied to a defined business need such as jobsite presence, billed hours, or completed scope.
Workyard’s analysis of 1,307 pain-point findings from 187 contractor conversations found 41 cases involving no job-costing system at all. Eight of those 41 findings were classified as a primary or severe pain point.
For GCs, that same visibility problem shows up in subcontractor billing: unverified hours, disputed invoices, and late progress updates give the office little to check before money goes out.
For GCs, good subcontractor management means knowing what was agreed, who showed up, what was completed, and what can be billed. Time records and progress records give the office evidence before a payment decision is made.
For a deeper look at the time-tracking side, see our guide to construction time tracking software.
What is a subcontractor?
A subcontractor is an individual or company hired to perform a defined scope within a larger construction job. The subcontractor operates under its own business arrangement rather than as part of the GC’s direct workforce.
Common examples include electrical, plumbing, HVAC, painting, carpentry, and other specialty trades.
Why do contractors use subcontractors?
Expertise
Contractors hire subcontractors when a job needs trade-specific skills they do not keep in-house. That lets a GC add electrical, plumbing, HVAC, roofing, or other specialty capacity without carrying every trade on payroll year-round.
Flexibility
Subcontractors let contractors scale their workforce up or down as project requirements shift. This helps manage fluctuations in demand and allows GCs to take on larger or multiple projects at once.
Cost Savings
Engaging subcontractors can be cost-effective for contractors because subcontractors cover their own tools, insurance, and taxes. You avoid the full burden of permanent salaries and benefits.
Efficiency
Subcontractors bring trade-specific crews and equipment for a defined scope. That can help a GC add capacity without keeping every specialty trade in-house.
What is the role of subcontractors in construction?
- Specialized trade services: Subcontractors handle specific scopes within a construction project, including electrical work. They bring the knowledge, experience, and tools to execute those tasks to industry standards.
- Collaboration and site coordination: Subcontractors work on-site alongside other trades and the contractor. They follow project plans, specifications, and timelines, and coordinate with other crews to prevent conflicts and delays.
- Execution and scope: Subcontractors are responsible for completing their assigned scope of work to the required quality and safety standards, within the terms of the project contract or agreement.
- Materials and equipment: Subcontractors are typically responsible for providing their own materials, tools, and equipment required to complete their trade services.
- Supervision and management: Subcontractors manage their own workforce, including any workers or lower-tier subs working under them. They oversee performance, safety protocols, and timely completion of tasks.
- Payments and billing: Subcontractors submit invoices or payment requests to the contractor for completed work per the agreed terms. Contractors review and process those payments based on the agreed-upon milestones.
Who manages a subcontractor?
Several people may manage different parts of the subcontractor relationship, from contract terms and payment to day-to-day field coordination.
The General Contractor
- The general contractor is the main point of contact for the client, overseeing the project and all subcontractors involved.
- They hold subs to quality and safety standards, manage contractual agreements, and handle payments.
Project Manager
- The project manager handles day-to-day subcontractor coordination and confirms subs have the resources, materials, and information to do their work.
- They monitor progress and keep communication clear across all parties.
Site Supervisor
- The site supervisor manages subs on-site: enforces safety compliance, sequences trade work to prevent delays, and confirms work meets required standards.
Subcontractor Manager
- In larger firms, a dedicated subcontractor manager handles all subs across multiple projects: monitoring performance, resolving disputes, and confirming contractual obligations are met.
Mistakes to avoid when procuring and managing subcontractors
Most subcontractor problems start before work begins: weak vetting, unclear bid comparisons, or poor payment processes create avoidable disputes later.
1. Not doing your due diligence
Before awarding a scope, check credentials, licenses, certifications, references, and past performance. The goal is to confirm that the sub can perform the work and meet the job’s requirements.
Verify required insurance, including general liability and workers’ compensation where applicable. Review financial stability when the scope is large enough that a cash-flow problem could interrupt the work.
2. Not getting multiple bids
Ask qualified subs to price the same clearly defined scope so you can compare like with like. Review price alongside exclusions, schedule, staffing, experience, and past performance.
A low number can hide a scope gap. Clarify assumptions before award instead of treating price alone as the decision.
3. Not paying invoices on time
Pay according to the subcontract and applicable payment rules. Clear approval steps and predictable payment dates reduce uncertainty for the sub and make disputes easier to resolve.
Late or disputed payment can lead to contract claims, liens, or other legal remedies depending on the job and state law.
Subcontractor management: tips and best practices
Good subcontractor management is mostly about setting clear expectations early, keeping records current, and resolving problems while the work can still be corrected.
1. Develop risk management strategies and contingency plans
Before the job starts, identify risks that could interrupt a subcontractor’s scope, such as weather, material shortages, labor availability, or trade sequencing.
Decide how you will respond before the issue happens. That may mean alternate suppliers, backup trade partners, schedule float, or a contingency allowance.
2. Build clear communication and reliable working relationships
Keep a reliable bench of subcontractors across the trades you use most. That gives you options when schedules move, scopes change, or a preferred sub is unavailable.
Establish clear communication channels from day one. Make sure subs understand project goals, specifications, and timelines before mobilizing. Schedule regular coordination meetings, keep subs informed of changes promptly, and encourage them to raise issues early.
Document job-related communication so both parties can trace changes, decisions, and approvals. Address performance issues while there is still time to correct the work.
3. Confirm subcontractors are properly licensed, insured, and bonded
Verify licensing, insurance, and bonding before any sub mobilizes. This is a non-negotiable gate. Confirm required trade licenses and certifications are current and valid. Request proof of general liability and workers’ compensation insurance, and confirm bonding where the project requires it.
For a detailed guide on the full hiring process, see our article on hiring a subcontractor.
4. Establish clear and detailed contracts
A well-drafted subcontract gives both sides a record of what was agreed. Define the scope, exclusions, schedule, payment terms, retainage, invoicing rules, and change-order process.
Also state how disputes will be handled. The contract should make it clear what evidence is required before extra work, time, or payment is approved.
5. Pay accurately and on time
Set a clear process for invoice submission, review, approval, and payment. Tell subs what records are required so incomplete invoices do not stall the review.
Communicate payment timelines clearly and adhere to them every time. Track subcontractor invoices, payments made, and outstanding balances accurately; this protects you in a dispute and speeds up your own back-office processing.
6. Evaluate performance and provide feedback
Track the performance measures that matter to the job, such as quality, schedule adherence, response time, and safety compliance. Review them during the work, not only at closeout.
Give specific feedback while the sub can still correct the issue. Keep the record for future bid and award decisions.
What subcontractor management software should handle
The software should match the part of subcontractor management you need to control. For a GC, that usually means bids, contracts, communication, documents, field records, or payment support.
Bid management
Bid-management tools keep invitations, submissions, scope notes, and bid comparisons in one place. The useful part is a consistent record of what each sub priced, excluded, and committed to.
Contract administration
Contract tools store executed agreements, change records, payment terms, and key dates in one place. Reminders can help the office catch an expiring document or missed contract milestone.
Communication and collaboration
Communication tools keep job messages, files, and change records tied to the work instead of scattered across email and text threads.
For field coordination, the useful record is who was told what, when the change was made, and whether the sub acknowledged it.
Document management
Document tools should preserve the current version while keeping prior revisions available. That matters when a dispute turns on which drawing, scope, approval, or change record was in effect.
Subcontractors vs. 1099 workers
The difference between subcontractors and 1099 workers matters for payroll and compliance. It applies whether you manage a small construction business or run procurement for a large GC.
Subcontractors are separate businesses hired for a defined scope. They commonly supply their own supervision, tools, insurance, and tax handling, but legal classification depends on the actual working relationship and applicable law.
A 1099 form reports certain nonemployee payments for tax purposes. Receiving one does not by itself determine whether a worker is legally an independent contractor.
For the federal classification test and state-law differences, see our 1099 vs. W-2 classification guide.
Tracking should match the contract and the reason for collecting the data. Site clock-ins, daily reports, and invoice records can support billing or progress checks.
More detailed control over routes, work methods, or task sequence can add classification risk, so the full relationship still matters.
How general contractors track subcontractor time and productivity
Most GCs use two distinct approaches to subcontractor time tracking: one focused on labor inputs, and one focused on measurable outputs. Both matter, and they answer different questions.
Input tracking: verifying presence and subcontractor labor hours
Input tracking confirms that a sub’s crew was on-site, for how long, and on which job. The most common methods are sign-in sheets, kiosk clock-ins at the site entrance, and geofenced GPS clock-in through a mobile app.
The goal is subcontractor invoice verification: when a T&M sub bills you for 320 hours in a week, your site sign-in records either confirm or dispute that number. Without a system for tracking subcontractor hours, you’re paying invoices on trust alone.
On large jobs, jobsite-scoped GPS can reduce manual sign-in work. A digital boundary around the job records location at clock-in and can support GPS-verified arrival and departure records.
Automatic clock-in, project assignment, and cost-code behavior depend on the software and configuration.
For a full breakdown of time-tracking tools, see our roundup of the best construction time clock apps and the top GPS time tracking apps for field crews.
See how to write a daily report for a how-to on the format itself.
For a deeper look at measuring what subs actually produce, see our guide to construction productivity tracking.
What contractors need from field-time tracking
| Field-time tracking need | Recorded need statements |
| On-site presence and time verification | 401 |
| GPS-based job/cost-code auto-tagging | 357 |
| Manual re-entry and export burden | 300 |
| Manual review and reconciliation | 226 |
| GPS/location technical accuracy | 193 |
Source: Workyard feature-needs research. These figures reflect broader construction time-tracking needs and are not limited to subcontractor workflows.
Output tracking: subcontractor productivity tracking by what got built
Input tracking tells you how long a crew was at the job. Output tracking tells you what the crew completed during that time.
For direct W-2 crews, see our guide to employee productivity tracking.
Output tracking records what the subcontractor completed. Depending on the trade, that may be units installed, daily progress, inspection results, or percent complete against the approved schedule of values.
Hours alone do not prove progress. If the pay app claims more work than the field record supports, daily reports, units installed, inspections, and percent-complete records give the GC something concrete to review.
Percent complete tracking and earned value
Percent complete measures how much of a subcontractor’s scope is finished at a given point. GCs can review it on a regular schedule or at each pay-app interval.
On a schedule of values, each line item carries a dollar amount. Percent complete on that line determines how much a sub can invoice. Inaccurate percent complete reporting leads to overbillings, cash flow problems, and disputes that slow down the whole job.
Earned value compares the budgeted value of completed work with the planned value and actual cost. That helps a GC see whether progress and spending are moving together before the job closes.
For how to apply this across your whole operation, see our guide to job costing for construction.
Why GCs track subs differently than their own crews
Your own W-2 field workers can be tracked differently than a 1099 subcontractor. Most subs operate as independent businesses, so GCs limit their tracking to site presence and progress verification rather than continuous GPS monitoring of routes or task-level activity.
Worker classification depends on the full relationship, not one tracking practice. The IRS considers behavioral control, financial control, and the relationship between the parties. More detailed control over how work is performed can weigh toward employee status.
Keep subcontractor tracking tied to a defined business need, such as jobsite presence, billed hours, safety, or completed scope.
Continuous route monitoring or detailed control over work methods can add classification risk. Review tracking requirements against the contract and applicable state rules.
What’s appropriate and what isn’t when tracking a subcontractor
Time and location records can help verify attendance, billing, or progress. The tracking method should match the contract and the reason for collecting the data.
Worker classification depends on the full relationship, so no single GPS practice should be treated as automatically safe.
Reasonable verification GCs can and should do
- Site sign-in and clock-in requirements can document when a sub’s crew arrives and leaves a job. If you require a kiosk, sign-in sheet, or jobsite-scoped GPS clock-in, put the requirement and its purpose in the subcontract.
- Invoice verification against site records gives the GC a factual check on billed T&M hours. Compare billed hours with agreed sign-in or clock-in records, and state that verification process in the subcontract.
- Daily reports and percent-complete records focus on what was delivered: workers present, work completed, delays, and progress against the schedule of values. They give the GC output evidence for reviewing pay apps without requiring task-by-task supervision.
Where the line is: red flags in subcontractor GPS tracking
Continuous route tracking collects more information than a jobsite clock-in. That can create more classification and privacy concerns when the extra location detail is not needed for the contract.
The IRS looks at the overall degree of control and independence, so the full working relationship matters.
Detailed instructions about work methods, tools, or task sequence can weigh toward employee status under the IRS behavioral-control test.
A GC can define scope, quality, schedule, and contract requirements without directing every detail of how an independent subcontractor performs the work.
If a GC requires a subcontractor to use the GC’s time system beyond agreed site or billing verification, review the requirement in context.
Classification depends on the full relationship, not the software alone. Get legal advice where the requirement could affect contractor independence.
Document your tracking policy before the job starts
Put the tracking policy in the subcontract before work starts. State the required sign-in or clock-in method and how those records will be used for billing checks.
Also state the daily-report requirements and the process for resolving a difference between invoiced hours and the GC’s records.
Putting the requirements in the subcontract gives both parties a common process for checking hours, progress, and billing when questions come up.
Software for subcontractor time tracking and management
Different tools cover different parts of subcontractor work. Pick the tool based on the record or workflow you need to manage.
For field-time options, see our construction timesheet software and field-crew GPS roundups.
Workyard
Workyard is a Construction Operations Platform for specialty contractors and self-performing general contractors. Here, its role is verified field time, job-cost data, and field reporting for workers and configured 1099 contractors.
GPS-verified time records can be tied to jobs and cost codes. Workyard also shows the live location and time-card status of workers while they are clocked in, giving the office a record it can compare with billed T&M labor.
Smart Forms can pull timecard hours, jobs, and cost codes into daily reports so foremen do not re-enter the same labor data. Reports can also include progress details, photos, signatures, inspections, and other field records, then be turned into Professional Reports for sharing.
Workyard does not manage subcontract bids, RFIs, submittals, commitments, or pay apps. Those workflows belong in construction project-management software.
Procore
Procore covers broader GC subcontract administration. General contractors can manage commitments such as subcontracts and purchase orders, and can create a subcontract directly or from an awarded bid.
Its subcontractor workflow also covers bids, RFIs, submittals, subcontractor invoices, pay applications, and related payment records. Subcontractors can submit bids, approve commitments, track RFIs, respond to submittals, and submit pay applications through Procore.
For a GC that needs contract and payment administration around subcontractors, Procore covers more of that workflow than a field-time tool.
eSUB
eSUB is built primarily for commercial trade subcontractors managing their own work rather than for GCs administering external subs.
eSUB supports RFIs, submittals, change orders, drawings and documents, daily reports, field notes, timecards, job costing, and reporting. Its current product pages position those tools around helping trade contractors manage project records, labor, costs, and field communication.
That makes eSUB more relevant to a subcontractor running its own operations than to a GC looking for a system of record for all subcontractors.
TRUE
TRUE also targets trade subcontractors managing their own operations. Its current product set includes quotes and estimates, bids and proposals, scheduling, contracts, work tickets, GPS-enabled time tracking, and daily field reports.
TRUE also supports submittals, change orders, RFIs, job costing, pay requests, invoicing, and project documents. Those tools span the subcontractor’s workflow from winning work through field execution and billing.
For a GC evaluating software to manage outside subcontractors, TRUE is better understood as software a trade subcontractor may use to run its own business.
See how the tools compare:
See how Workyard captures verified field time and daily reporting in one workflow
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The Bottom Line
Track what the subcontract requires you to verify. Use labor records for T&M billing and progress records for fixed-price work.
Put those requirements in the subcontract before work starts. That gives the GC and sub the same record to use when reviewing hours, progress, change orders, and payment.
Choose software around the evidence you need. Workyard fits the field-time, job-cost, and daily-reporting side. A project-management platform fits commitments, RFIs, submittals, and pay apps.
General contractors track subcontractor time and productivity in two lanes. Input tracking records jobsite presence and hours through sign-in sheets, kiosk clock-ins, or jobsite-scoped GPS. Output tracking records what was built through daily reports, units installed, earned hours, or percent complete.
Use input records to review T&M invoices and output records to review progress and pay apps. The goal is to verify the subcontract and billing record without directing an independent subcontractor’s routes, task sequence, or work methods.
GCs can track subcontractor time with sign-in sheets, kiosk clock-ins, or jobsite-scoped GPS. The record should show when the crew arrived, how long it stayed, and which job the labor belongs to. The method should match the contract and the reason for collecting the time record.
For T&M work, compare those records with billed hours before payment. On larger jobs, geofenced GPS can reduce manual sign-in work when workers clock in through the configured workflow. For output measurement, use daily reports or other progress records alongside the time record.
Daily reports can record crew size, hours by scope, materials used, work completed, delays, photos, and other job details. That gives the GC an output record to compare with billed labor or reported progress before approving a pay app or T&M invoice.
If an invoice shows 160 hours but the agreed field records show 130 crew-hours, the GC has a documented difference to resolve. For fixed-price work, daily reports can also support percent-complete reviews. Put the required report fields and submission timing in the subcontract.
Input tracking tells you how long the subcontractor’s crew was at the job. Output tracking tells you how much work was completed. Use input records to review T&M labor and output records to review progress claims, production, and fixed-price billing.
A crew can log the expected hours and still fall behind on production. Units installed give the GC a direct output measure, while earned hours translate completed production into a budgeted labor allowance. Comparing earned hours with actual hours can flag a labor overrun before the scope is finished.
The right software depends on what the subcontract requires you to verify. T&M work needs dependable hour records. Fixed-price work usually needs progress records, inspections, daily reports, or milestone approvals. Field time and subcontract administration may sit in different products.
Workyard covers GPS-verified time by job and cost code, plus Smart Forms and daily reports. It does not manage subcontract procurement or pay apps. For commitments, RFIs, submittals, bidding, and pay apps, use construction project-management software such as Procore.
A GC can use the same time platform for direct workers and configured 1099 contractors if the setup supports both, but the tracking rules do not have to be identical. For subcontractors, tie the requirement to the contract, such as jobsite presence or T&M hour verification.
The IRS looks at behavioral control, financial control, and the relationship between the parties rather than one GPS setting. More detailed monitoring or direction can weigh toward employee status, so document the purpose and scope of subcontractor tracking and review state-specific rules.
Keep the signed subcontract, scope and payment terms, agreed sign-in or GPS time records, daily reports, schedule-of-values records, pay applications, change orders, and supporting approvals. Together, those records show what was agreed, what was reported, and what was billed.
When a sub claims more hours or progress than your records show, those documents give both sides a common factual record. Retention periods vary by state, contract, and record type, so set a written retention policy with legal guidance instead of relying on a general rule of thumb.
Jobsite-scoped GPS is easier to tie to a clear business purpose than continuous route tracking. A GC may need evidence that a subcontractor crew arrived, left, or worked the hours billed. Tracking movement away from the job can collect more detail than that verification requires.
There is no single IRS rule that makes one GPS setting automatically safe or unsafe. Classification depends on the full relationship and degree of control. Keep the tracking purpose narrow, disclose it in the subcontract, and check state-specific requirements with counsel.
Skip GPS when location data is not needed to verify hours, billing, safety, or another defined contract requirement. For fixed-price off-site work, inspections, daily reports, delivery records, and agreed progress documentation may give the GC the evidence it actually needs.
GPS rules and privacy requirements can vary by state and contract. Match the tracking method to the business purpose, and have counsel review any policy where state law, consent requirements, or contractor status is uncertain.
Percent complete measures how much of a subcontractor’s scope is finished and applies that percentage to the approved schedule-of-values line item. GCs and subs typically review those figures at each pay-app cycle to determine how much can be billed.
Earned value compares the budgeted value of completed work with what was planned and what was actually spent. Daily reports, units installed, inspections, and other progress records give the GC evidence to support or challenge percent-complete figures before approving payment.
