Best time tracking & HR software for UK sole traders 2026
Whether you bill by the hour or want to understand where your time actually goes, a time tracking tool reveals the truth about your working hours — and makes invoicing hourly clients completely accurate.
Quick picks
Reviews
Toggl Track is the freelancer’s time tracker of choice. The interface is stripped back and intuitive — start a timer with one click, tag it to a client and project, and stop it when you’re done. The free plan includes unlimited time entries, projects and clients for up to 5 users, making it ideal for sole traders.
- Free plan supports up to 5 users unlimited tracking
- Browser extension for one-click tracking anywhere
- Automatic idle detection — reminds you to log time
- Calendar timeline view for reviewing the week
- Exportable client reports
- Advanced reporting needs paid plan
- Billing rate management behind paid tier
- No invoicing built in (use with FreeAgent or Harvest)
Harvest is the best time tracker if you bill clients by the hour and need to invoice directly from tracked time. Set hourly rates per client or project, track time, then hit “Create Invoice” and Harvest generates a professional itemised invoice from your hours. It integrates with Xero, QuickBooks and FreeAgent.
- Create invoices directly from tracked time
- Set hourly rates per client and project
- Project budget warnings before overrun
- Expense tracking alongside time
- Integrates with major accounting software
- Free plan limited to 1 user and 2 projects
- More expensive than Toggl on paid tier
- Interface dated compared to rivals
Clockify offers the most generous free plan in time tracking — unlimited users, unlimited projects, unlimited time entries, forever. For a sole trader who just needs to track hours accurately, it’s hard to justify paying for anything else. Reports and team features are limited on the free plan but the core tracking is excellent.
- Completely free for unlimited users and projects
- Web, mobile and desktop apps included
- Solid reporting on free plan
- Good browser extension for in-page tracking
- Active development with regular features
- Some team management features require paid plan
- Interface less polished than Toggl
- Invoicing only on paid plans
Comparison table
| Tool | Price | Free plan | Invoice from time | Project budgets | Accounting sync | Best for |
|---|---|---|---|---|---|---|
| Toggl Track | Free / £9 | Yes (5 users) | No | No | Yes | Simple tracking |
| Harvest | Free (limited) / £10.80 | Yes (1 user) | Yes | Yes | Yes | Hourly billing |
| Clockify | Free / £3.99 | Yes (unlimited) | Paid | Paid | Yes | Free tracking |
| Dext | From £15 | No | N/A | N/A | Yes (receipts) | Receipt capture |