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Time billing, the Xero way

Guides on turning tracked time into Xero invoices, billing retainers, and the numbers that decide whether the work was worth it.

Written by , a freelance developer in Brisbane who bills his own client hours this way.

Xero · 2 min read

Harvest + Xero: What Syncs and Where to Invoice

How Harvest copies invoices to Xero, why payments can disagree, and what to check before changing your billing workflow.

By Jonathan Bird Sep 2026
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Xero · 2 min read

How to Leave Harvest Without Losing Unbilled Time

The exports to keep, a cutover example and a final check for work that could be missed or billed twice.

By Jonathan Bird Sep 2026
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Xero · 2 min read

Toggl vs Harvest for Xero Billing

Harvest copies invoices to Xero. Toggl’s standard connection adds a timer. Here is what that means when you need to bill clients.

By Jonathan Bird Sep 2026
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Billing economics · 5 min read

Client Request Management for Agencies: Turning Email Into Billable Work

Unlogged client email is a common source of lost margin. How to run client requests as a shared queue, and how to make sure the hours around the work reach an invoice.

By Jonathan Bird Updated Aug 2026
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Xero · 3 min read

How to Send Tracked Time to Xero as Draft Invoices

Turn billable hours into a Xero draft invoice you review before sending, with descriptions intact and four ways to group the line items.

By Jonathan Bird Updated Aug 2026
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Xero · 5 min read

How to Track Billable Hours and Invoice Through Xero

The complete walkthrough from logging the first billable hour to sending a finished Xero invoice, with the rate, tax, grouping and review steps in order.

By Jonathan Bird Updated Aug 2026
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Billing economics · 6 min read

Agency Profitability: 2026 Benchmarks and How to Improve It

Agency profitability benchmarks for 2026, the levers that move the margin, and why client and retainer-level profit matters more than project averages.

By Jonathan Bird Updated Aug 2026
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Xero · 2 min read

Best Xero Time Tracking Add-ons for Agencies (2026)

Compare six time trackers by how they turn client work into Xero invoices, with plan costs and integration limits.

By Jonathan Bird Updated Sep 2026
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Billing economics · 6 min read

Retainer Billing Explained: How Agencies Bill Retainer Clients

How retainer billing works, drawdown versus logged hours, over and under-servicing, and how to invoice a retainer period straight through Xero.

By Jonathan Bird Updated Aug 2026
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Billing economics · 6 min read

How to Set Consulting Rates That Actually Cover Your Costs

A utilization-adjusted method for setting consulting and agency rates that cover your real costs, plus why a good rate still fails if the hours never get invoiced.

By Jonathan Bird Updated Aug 2026
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Xero · 5 min read

How to Invoice Only Approved Timesheets to Xero

Put a review gate between tracked time and your Xero invoice so only approved hours can ever be billed, with entries locked once submitted.

By Jonathan Bird Updated Aug 2026
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Billing economics · 5 min read

Billable Utilization Rate: Formula and Benchmarks

The billable utilization formula, realistic benchmarks by role, and why high utilization still leaks money if the hours never reach a Xero invoice.

By Jonathan Bird Updated Aug 2026
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