Best Invoicing Software for Agencies (2026)

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Last updated: 5 Jan 2026

Invoicing is where cashflow either becomes boring (good) or stressful (bad). The right tool depends on whether you want simple service invoicing, or a full accounting system that grows with you.

If you just want a fast answer:

  • Best overall for service invoicing: FreshBooks — simple and client-friendly (check plan details).
  • Best accounting-first option: Xero — strong bookkeeping + invoicing (check plan details).
  • Best mainstream ecosystem: QuickBooks Online — widely used standard (check plan details).
Quick path picker
Pick your workflow — we’ll highlight the best fit in the table below.
1 What’s your work mostly?

No JS? Use the quick comparison below.

2 What matters most right now?
3 How much setup can you tolerate?

Less generic, more useful:

Pick based on how you work (not “best overall”)

These fit checks are derived from the shortlists in Best Invoicing Software for Agencies (2026) — use them to choose the fastest “good enough” tool for your agency.

If your priority is Service invoicing

  • Client-friendly
  • Setup: 1–3 hours • Pricing: Varies by plan

Best bet: FreshBooks

Avoid if: Not deepest accounting

If your priority is Accounting + invoicing

  • Strong accounting
  • Setup: 1–2 days • Pricing: Varies by plan

Best bet: Xero

Avoid if: More setup

If your priority is Mainstream standard

  • Broad ecosystem
  • Setup: 1–2 days • Pricing: Varies by plan

Best bet: QuickBooks Online

Avoid if: Can feel complex

Quick comparison

Shortlist first, details second. Always double-check current pricing and plan limits on the vendor site.

ToolBest forSetup timePricingWhy it’s hereWatch-out
FreshBooks Top pickService invoicing1–3 hoursVaries by planClient-friendlyNot deepest accounting
XeroAccounting + invoicing1–2 daysVaries by planStrong accountingMore setup
QuickBooks OnlineMainstream standard1–2 daysVaries by planBroad ecosystemCan feel complex

How we picked

  • Optimized for agency workflows: delivery visibility, client collaboration, and handoffs.
  • Prioritized fast setup and simple ownership/permissions (so you actually adopt it).
  • Checked integrations and reporting (so you don’t build a spreadsheet on the side).
  • Included a clear watch‑out for each option to avoid bad fits.

We refresh guides when pricing/features shift. Always verify current terms on the vendor site.


FreshBooks — best for small agencies who want invoicing to be painless

Visit FreshBooks →

Where it shines

Common gotchas

Pick it if…

Skip it if…


Xero — best if you want proper accounting with a clean UI

Visit Xero →

Where it shines

Common gotchas

Pick it if…

Skip it if…


QuickBooks Online — best for broad compatibility and ecosystem

Visit QuickBooks Online →

Where it shines

Common gotchas

Pick it if…

Skip it if…


Next steps in your agency stack

If you picked a tool above, these guides typically come next:

Bottom line

If you mainly want to invoice clients cleanly, start with FreshBooks. If you’re serious about accounting, Xero is a strong foundation. If ecosystem and broad compatibility matter most, QuickBooks Online is the safe default.

FAQ

What’s the best invoicing software for a small agency?

Start with the Top pick in the quick comparison, then sanity‑check the watch‑out against your workflow and budget.

How long does it take to set up invoicing software?

Most teams can get a workable setup in a half day to two days. The real work is deciding your workflow (stages, ownership, and client touchpoints).

Do these tools support client access and permissions?

Usually, yes — but it varies by plan. Before committing, confirm guest seats, client permissions, and whether clients need paid accounts.