Aimsio vs. Assignar
Both platforms help contractors get field data into billing and accounting.
See where they match, where they diverge, and what matters most for your operation.
Same promise.
Different starting points.
Assignar is built for:
- Construction contractors managing crews across specialized sub-industries — civil, crane, excavation, concrete, and more
- Teams that need scheduling, compliance, and customizable digital forms to support project delivery
- Operations where coordinating project delivery across multiple crews and sites is the primary challenge
- Companies that need a construction-specific platform with global support
Aimsio is built for:
- Heavy industry field service companies — oil and gas, construction, utilities, pipeline, and more
- Teams that need the billing cycle — approvals, costing, invoicing — running as tightly as their field operations
- Operations where revenue leakage from slow approvals, disputed tickets, and billing lag costs more than the software that prevents it
- Companies in North American heavy industries who need a platform that matches how they actually work
The overlap is clear.
The focus is different.
Both platforms capture field data, track time, manage scheduling, and connect to accounting systems. Both even describe themselves as connecting field to finance.
Where they diverge is what each platform treats as the harder problem. Assignar optimizes for project delivery: getting the right crews to the right sites with the right compliance. Aimsio optimizes for revenue certainty: making sure every hour of work flows through approvals, into job costing, and onto an invoice without manual rework or billing disputes in between.
Scheduling gets work done. Revenue certainty gets you paid for it. A company can be operationally efficient and still leak revenue through slow approvals, disputed tickets, and billing cycles that take weeks instead of days. That is the gap Aimsio is built to close.
How the two platforms compare
| Capability | Assignar | Aimsio |
|---|---|---|
| Field Capture | ||
| Digital field tickets | ||
| Mobile app (iOS and Android) | ||
| Configurable ticket templates | ||
| Digital and safety forms | Flexi Forms | |
| Digital client approvals | Not confirmed | Client Portal1 |
| Scheduling and Crew Management | ||
| Drag-and-drop scheduling | ||
| Crew and equipment assignment | ||
| Certificate compliance tracking | ||
| Time tracking | ||
| Task management | Not confirmed | |
| Billing and Finance | ||
| Invoice generation from field data | ||
| T&M billing / Schedule of Rates | ||
| Price book management | Unlimited | |
| Pay rates management | ||
| Change order management | Not confirmed | |
| Purchase order management | Not confirmed | |
| Client portal for approvals | Not confirmed | |
| Project and Cost Management | ||
| Job costing | ||
| Progress tracking | ||
| Budget tracking | Not confirmed | |
| WBS and project management | Not confirmed | Includes EAC, CPI2 |
| Reporting and Integrations | ||
| Reporting and analytics | Full (Power BI) | |
| Accounting integrations | Acumatica, Sage, QBO, Xero, MYOB, Foundation, and others | QBO, Sage Intacct, Sage 300, ADP, NetSuite, MS Business Central, MS NAV, Viewpoint Vista, Acumatica, Explorer Eclipse |
| Public API | Add-on | |
| Platform | ||
| Pricing model | Tailored (custom quotes) | Platform fee (unlimited users) |
| Industry focus | Construction-first (10+ sub-industries) | Multi-industry (oil & gas, construction, utilities, pipeline, rail, industrial) |
| Dedicated payroll product | Assignar Pay | Payroll export via Timecards |
1 Aimsio's Client Portal is a dedicated browser-based environment where clients review, comment on, and sign off tickets without having to download any apps, with up to five approvers per document and a full approval audit trail. Assignar's website does not describe a dedicated client-facing portal.
2 Earned value metrics (EAC, CPI, RPI) are available on Aimsio's Ultimate plan. Job costing and budget tracking are available on Performance and above.
Several capabilities are marked "Not confirmed". This means the vendor’s website does not describe the feature. It does not confirm the feature is absent. We have marked them honestly rather than assuming.
Four questions worth answering before you decide
The questions that separate which platform actually fits your operation.
-
Is your primary challenge project delivery or revenue certainty?
If the main bottleneck is coordinating crews across construction projects and tracking compliance, Assignar is built around that workflow. If the bigger problem is making sure every hour of work becomes a billed, auditable dollar, then that is where Aimsio comes in.
-
What industries does your operation serve?
Assignar is construction-first with deep coverage across heavy civil, crane, excavation, traffic, demolition, concrete, rail, and more. Aimsio serves construction alongside oil and gas, utilities, pipeline, and industrial services. If your operation spans multiple industries, breadth matters.
-
Can your platform answer these questions without spreadsheets?
Before choosing a platform, ask your vendor to show you what a job in progress looks like with actual costs tracked against budget. Ask them to show you revenue reporting, unbilled work, and days-to-invoice without opening a spreadsheet. If any answer involves a workaround, an export, or "we are working on that," factor it into your decision.
-
What is the cost of your current billing lag?
If your average days-to-invoice is more than a week, calculate what that lag costs in working capital per month. A platform that costs more per month but compresses your billing cycle by ten days may pay for itself before the first quarter ends. The comparison is not software cost versus software cost. It is software cost versus revenue you are currently leaving on the table.
Frequently Asked Questions
Both platforms connect field data to billing and accounting. The difference is focus. Assignar is a construction operations platform built around scheduling, crew management, compliance, and project delivery for construction contractors. Aimsio is a field service management platform built around revenue capture: connecting field tickets to client approvals, job costing, and invoicing across oil and gas, construction, utilities, and industrial services.
Assignar has invested heavily in scheduling and many of their users cite it as a strength. Both platforms offer drag-and-drop scheduling with crew and equipment assignment. Where the platforms diverge is what happens after the schedule is executed. Aimsio connects the field data captured during that shift directly to client approvals, job costing, and invoicing. The question is whether scheduling alone solves your biggest operational problem, or whether the billing and revenue layer matters more.
Ask to see revenue reporting, job profitability, and unbilled work inside the platform during the demo. If the answer involves exporting to Excel to get those numbers, the platform is solving the operations problem but not the financial one. Aimsio keeps job costing, billing, and reporting in the same system where field data is captured. The goal is that once your team goes live, no one needs to build a spreadsheet to answer "what did this job actually cost."
Assignar's website does not describe a dedicated client-facing portal for ticket approvals. Aimsio's Client Portal is a browser-based environment where clients review, comment on, and approve tickets with a full audit trail. No app required.
Yes. Assignar has a dedicated job costing feature. Aimsio also offers job costing with budget-versus-actual tracking through Job Performance reporting, and adds earned value management (EAC, CPI) on the Ultimate plan for real-time project financial visibility.
Yes. Aimsio supports Labour, Equipment, and Materials (LEM) capture with digital client sign-off, client-specific price books with unlimited rate structures, and line-item billing including variable surcharges like fuel. These are standard requirements in oil and gas and industrial field services that general-purpose construction platforms typically do not address.
Assignar uses tailored pricing with custom quotes. Aimsio uses a platform fee with unlimited users. Assignar does not publish specific pricing, so the comparison depends on your team size and required modules. The key structural difference is that Aimsio's unlimited user model avoids incremental costs as headcount grows.
Aimsio is headquartered in Alberta, Canada, home to one of North America's largest oil and gas and industrial service markets, and incorporated in Houston, Texas. By operating from two of the continent's most important heavy industry hubs, Aimsio is positioned alongside the companies it serves and built around the operational and billing challenges they face every day. Assignar is headquartered in Australia with offices in North America and EMEA.
No. Aimsio serves oil and gas, construction, pipeline, utilities, rail, and industrial services companies across North America. Assignar is primarily focused on construction sub-industries.