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Who it's for · Consultants

Accounting for consultants who bill by project or retainer.

Quote the work, invoice it when the client says yes, and bill retainers every month without retyping them. Accoru re-bills your expenses, invoices foreign clients in their currency and keeps double-entry books your accountant can work in.

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Invoice INV-2081
Lindqvist Partners · Due Dec 1, 2026
Recurring · Monthly
ItemAmount
Advisory retainer – November€4,500.00
Extra workshop day€1,200.00
Train to Stockholm · billable expense€186.40
Total due (EUR)€5,886.40
Reported in your base currency at the daily exchange rate
Email invoiceCopy pay link
✓
QUO-0412 accepted
Converted to invoice

Accoru for consultants at a glance

Accoru is online accounting software that independent consultants and small advisory firms use to quote, invoice and get paid, with every transaction posted to a double-entry ledger.

Best for
Consultants who bill per project or on a monthly retainer
Billing
Quotes, one-off invoices and recurring retainer invoices
Expenses
Billable expenses re-billed onto client invoices
Currencies
50+, set per invoice, with daily exchange rates
Time tracking
Not included. Bill hours as invoice lines
Price
$9/month, $85/year or $99 for 5 years, all features
Consultants & advisory firms

From proposal to paid, in one place

Most consulting work starts with a quote and ends with a payment, often in another currency. Accoru keeps each step linked, so the quote, the invoice, the expenses you passed on and the payment all sit on the client's record.

How it works

  1. 1Send a quote for the project or retainer. Your client accepts or declines it from a public link.
  2. 2Convert the accepted quote to an invoice in one click, or set it up as a recurring monthly invoice.
  3. 3Add billable expenses, like travel, to the client's next invoice.
  4. 4Your client pays by card or PayPal through your own Stripe or PayPal account, and the invoice is marked paid.

Features consultants use most

  • ✓QuotationsPublic accept / decline links and one-click convert to invoice
  • ✓Recurring & SubscriptionsMonthly retainer invoices sent on schedule, with reminders
  • ✓Bills & ExpensesBillable expenses passed through to client invoices
  • ✓Multi-currencyInvoice foreign clients in 50+ currencies, report in your own
  • ✓Contacts & Client PortalClients see invoices, quotes and statements, and pay online
  • ✓Team & RolesInvite your accountant with the accountant role
See all 19 features →

Built around how consultants bill

01 · Retainers

Set the retainer once, bill it every month

Turn a monthly retainer into a recurring invoice with its own schedule. Accoru generates and emails each invoice on the day, and sends a reminder if it goes unpaid. Extra days or out-of-scope work go on a separate one-off invoice.

  • Recurring invoices
  • Automatic payment reminders
  • Per-invoice currency
Recurring · Lindqvist PartnersActive
RepeatsMonthly, on the 1st
Amount€4,500.00
Next invoiceDec 1, 2026
ReminderIf unpaid after due date
02 · Expenses

Re-bill what you spent on the client's behalf

Record travel, software or subcontractor costs as you pay them and mark the ones that are chargeable. They are ready to add to that client's next invoice, and the cost still shows in your own expense reports.

  • Billable expense pass-through
  • Expense categories
  • Recurring expenses
Billable expenses · Lindqvist Partners
Train to StockholmTravel€186.40
Survey tool, 1 monthSoftware€49.00
Venue hire, workshopEvents€320.00
Add to next invoice
03 · Client portal

Fewer "can you resend that invoice?" emails

Each client gets a portal in your branding. Their finance team can see open invoices and quotes, download a statement and pay by card or PayPal through your own Stripe or PayPal account, without asking you first.

  • Customer-branded portal
  • Statements & balances
  • No Accoru fee per payment
Lindqvist Partners · Portal€5,886.40
INV-2081Due Dec 1€5,886.40
INV-2064Paid€4,500.00
QUO-0431Awaiting response€9,000.00
Pay nowDownload statement

What Accoru doesn't do

Worth knowing before you choose. If you need one of these built in, a different tool may suit you better.

  • No time tracking. There's no timer or timesheet. Bill hours as invoice lines (quantity × rate).
  • No automatic bank feed. You record deposits and payments in Banking yourself.
  • No tax filing. Accoru calculates tax on documents and gives you the reports. You or your accountant file the return.

Read more about these features

Who else uses Accoru →
InvoicingDiscounts, taxes, part-payments and pay links on every invoice.Learn more → Bills & ExpensesRecord costs and pass billable ones on to clients.Learn more → Multi-currencyInvoice abroad in 50+ currencies, report at home.Learn more → Client portalA branded portal for every client to view and pay.Learn more →

Questions from consultants

Is Accoru good accounting software for consultants?
Yes, if you bill clients by project or on a monthly retainer. You can send quotes, turn accepted ones into invoices, schedule retainer invoices, re-bill expenses and invoice foreign clients in 50+ currencies, all on one plan from $9 a month.
Can I bill a client the same retainer every month?
Yes. Set up a recurring invoice once with the amount and schedule. Accoru creates and sends each invoice automatically and sends payment reminders.
How do I re-bill travel and other expenses to a client?
Record the expense in Accoru and mark it as billable to that client. You can then add it to the client's next invoice, so nothing you paid on their behalf gets missed.
Can I invoice clients in euros, pounds or other currencies?
Yes. Each invoice can use any of 50+ currencies. Exchange rates update daily and your reports stay in your base currency.
Does Accoru track billable hours?
No. Accoru has no timer or timesheets. Bill your time as invoice lines, for example 12 hours at your hourly rate, or as a fixed project fee or retainer.
Can my accountant work in my books?
Yes. Invite your accountant by email with the accountant role. They can review entries, post manual journals and run reports, and the activity log shows every change.

Get your books in order this week.

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