Timesheet Software for Small Businesses: Build or Buy?

Many small businesses track hours in spreadsheets until the day it stops working: late submissions, formula errors, payroll disputes and invoices that miss billable time. Timesheet software fixes this — but should you subscribe to an off-the-shelf tool or build a portal that fits the way you work?

Must-have features

• Fast time entry on phone and desktop, by client, project and task.
• Manager review and one-click approvals.
• Billable vs non-billable hours and overtime rules.
• Reports and exports for payroll and client invoicing.
• Role-based access for staff, managers and admins.
• Reminders for missing timesheets.

Off-the-shelf timesheet tools

• Pros: quick to start, monthly pricing, no maintenance.
• Cons: per-user fees grow with your team, rigid workflows, data spread across yet another SaaS, and limited integration with your payroll or billing tools.

A custom timesheet portal

• Pros: matches your exact approval flow and pay rules, no per-user fees, integrates with your accounting or HR system, and you own the data.
• Cons: an upfront build cost and a maintenance plan to budget for.

How to decide

Buy if your process is standard and your team is small. Consider building when you have unusual rules (shift allowances, multiple rates, client-specific approvals), when per-user fees are adding up, or when timesheets must feed directly into payroll and invoices. A custom portal can also grow into a wider operations tool — leave requests, expenses or project budgets.

Add AI where it helps

Modern portals can suggest entries from calendars, flag unusual hours and summarise weekly utilisation automatically — small AI automation wins that save managers time.

See our Timesheet Portal

Cardzo built a Timesheet Portal for small businesses with time entry, approvals and payroll-ready exports. We can tailor it to your workflows or build something new as part of our Website & App Development service. Get a quote.