TLDR
Untracked change orders are one of the fastest ways specialty trade subs bleed margin. The best tools connect change order tracking directly to job costs, so approved COs update your budget and your margin forecast automatically. MarginLock includes change order tracking in its flat-rate job costing platform.
| Tool | CO-to-Job Cost Connection | Pricing | Approval Workflow |
|---|---|---|---|
| MarginLock | Direct, updates WIP automatically | $20–$99/mo flat | Yes |
| Knowify | Via QuickBooks sync | From $99/mo per user | Yes |
| Procore (GC's instance) | GC's system only | Free as invited sub | Yes (GC-focused) |
| Excel templates | Manual only | Free | Manual |
| Foundation Software | Yes, native GL connection | Per seat + implementation | Yes |
MarginLock
Job costing for specialty trade subs with change order tracking built in. CO approvals update job budgets and margin forecasts automatically.
PROS & CONS
MarginLock
Pros
- Change orders tied directly to job cost tracking
- Approved COs update WIP and cost-to-complete automatically
- Flat-rate pricing, no per-seat fee for the PM who manages COs
- No separate module or add-on for CO tracking
Cons
- New product, workflow may differ from tools you're used to
- Document management for CO paperwork still developing
Pricing: $20–$99/month flat
Verdict: Best for subs that want change orders connected to their job costing rather than tracked in a separate system.
Knowify
Cloud-based job management with change order support. CO workflow integrates with QuickBooks sync.
PROS & CONS
Knowify
Pros
- Change order creation and tracking included
- Client-facing CO approval workflow
- Mobile access for field-initiated change orders
Cons
- Per-user pricing, cost grows with team
- CO data lives in Knowify, syncs to QuickBooks rather than native GL
- Limited reporting on CO impact to job margin
Pricing: From $99/month, per-user
Verdict: Solid CO workflow for subs using QuickBooks. Reporting on CO margin impact is limited.
Procore (Subcontractor Collaboration)
Specialty trade subs can manage change orders through a GC's Procore instance without a full license.
PROS & CONS
Procore (Subcontractor Collaboration)
Pros
- CO workflow integrated with GC's project management
- Formal approval tracking and audit trail
- Widely used on commercial projects
Cons
- You're working in the GC's system, not your own
- CO data in Procore doesn't automatically update your internal job costing
- Requires your GC to be on Procore
Pricing: Free as an invited subcontractor collaborator in a GC's Procore
Verdict: Good for managing CO approval flow with specific GCs who use Procore. Doesn't replace internal CO tracking against your own job costs.
Dedicated CO templates in Excel/Google Sheets
Custom spreadsheet templates for tracking change order requests, approvals, and billing.
PROS & CONS
Dedicated CO templates in Excel/Google Sheets
Pros
- No additional software cost
- Customizable to your specific CO workflow
- Works with any accounting platform
Cons
- Manual data entry, easy to fall behind
- No automatic connection to job cost tracking
- Version control issues when multiple people edit the same document
- No approval workflow or audit trail
Pricing: Free (staff time is the cost)
Verdict: Works for subs with simple operations and low CO volume. Becomes unreliable as job count and CO frequency grow.
Foundation Software (Change Order Module)
Foundation includes change order management as part of its full construction accounting suite.
PROS & CONS
Foundation Software (Change Order Module)
Pros
- CO tracking connected to GL and job cost records
- Formal approval workflow with audit trail
- Retainage adjustments on approved COs
Cons
- Per-seat pricing makes access expensive for the whole team
- Windows-native interface creates friction for field-initiated COs
- Implementation required before CO module is usable
Pricing: Per seat (undisclosed) + implementation
Verdict: Good CO integration for subs already on Foundation. Not worth adopting Foundation primarily for CO tracking.
Change Orders Are Where Margin Goes to Die
Specialty trade subcontractors perform extra work on every significant project. Scope expands in the field, design changes after award, GC-directed extras that weren’t in the original contract. That’s the nature of construction.
The financial discipline that turns that extra work into actual profit is change order management: identifying the extra scope, pricing it, getting approval, and connecting that approval to your billing and your job cost tracking.
Where the process breaks down, and where margin leaks out, is the disconnect between field execution and office documentation. Work happens. The CO request sits in someone’s email. The approval comes through informally. By the time billing goes out, the connection between the work performed and the authorized scope change has been lost.
The Two Types of Change Order Problems
Administrative problems — COs don’t get documented, approval processes aren’t followed, and when dispute time comes, you can’t prove what was authorized. This is a paperwork and process problem.
Financial problems — COs are documented and approved, but the approved scope change doesn’t update your job budget in your costing system. Your cost-to-complete projections don’t reflect the revised scope. Your margin forecast is wrong. This is a systems integration problem.
Most subs who struggle with COs have both problems to some degree.
What Good Change Order Tracking Looks Like
A CO workflow that protects your margin connects approval to financials automatically. When a change order is approved, the job’s budget updates. The WIP report reflects the revised contract value. The cost-to-complete projection accounts for the new scope. Your billing module knows there’s a new CO to invoice.
None of that requires sophisticated software. It requires that your change order process and your job costing system are the same system, not two separate tools with a manual handoff between them.
Evaluating Your Current Process
Ask yourself: when your crew performs extra work in the field today, what happens between that work and the billing that captures it? If the answer involves email threads, informal phone calls, and manual updates to job cost spreadsheets, you’re probably leaving money on the table on some percentage of your jobs.
The tools on this list represent a range of approaches. Some are purpose-built for change order management. Some include CO tracking as part of broader job costing. Some are GC platforms you access as a collaborator. The right fit depends on where your process is breaking and how connected your CO workflow needs to be to your financial tracking.
Find the right tool for your shop
- Zero implementation fees
- Unlimited users
- Starts at $20/month
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