Invoice Software forConsultants
Bill by the hour, the project, or the retainer, and get paid without chasing a single client for a status update.
No credit card required.
The Problem
Why consulting billing doesn't fit one invoice format
Consultants rarely bill the same way twice. One client pays a fixed project fee. Another wants hourly billing with a monthly cap. A third is on a standing retainer for ongoing advisory work. Independent consultants often run all three billing models at once, across a client list that might be five people or fifty.
Generic invoicing tools tend to assume one billing method fits every client. That works until a consultant needs to switch from hourly to a fixed project rate for one engagement, or set up a retainer for a client who used to be billed hourly. Then it's back to manually rebuilding the invoice format from scratch, or worse, using two different tools depending on the billing type.
The bigger cost shows up in cash flow. Consultants who invoice manually tend to send invoices later than they mean to, because it's a task that gets pushed to "whenever there's time," not something the calendar forces. Late invoices mean late payments, and late payments are the single biggest cash flow problem independent consultants report.
What Alfaa Handles
What Alfaa handles for consultants
Bill however each client pays
Set up hourly, project-based, or retainer billing per client, not per account. One client can be on a retainer while another is billed by the project, without switching tools.
Retainers that send themselves
Set the amount, client, and billing date once for ongoing advisory or retainer work, and Alfaa sends the invoice automatically every cycle.
Project invoices when the engagement wraps
Bill a fixed-fee project the moment it's delivered, without rebuilding the invoice format from a template each time.
One record per client, regardless of billing type
Every client's invoice history lives in one place, whether they're billed hourly, by project, or on retainer.
Multi-currency support
Invoice international clients in their own currency, avoiding the approval delays that come from a currency mismatch.
Invoices that look like they came from you
Send through Gmail, Google Workspace, or your own domain, so clients see your name, not a generic billing platform address.
How It Works
How consultants actually use Alfaa
Onboarding a new retainer client
Add the client once, set the retainer amount and billing date, and the invoice sends itself every cycle from that point on.
Wrapping a fixed-fee project
Raise a one-off invoice the moment the deliverable is complete, tied to the same client record as any other work you've billed them for.
Checking cash flow before the month closes
Open the dashboard and see what's invoiced, what's paid, and what's still outstanding across every client, hourly, project, or retainer, without cross-referencing separate files per billing type.
Switching to Alfaa
Switching from spreadsheets or a single-format invoicing tool
Most consultants come to Alfaa from one of two places: a basic invoicing tool that only handles one billing format well, or a spreadsheet-based system that gets harder to manage as the client list grows and billing types start to mix.
The shift from a single-format tool is about flexibility, not having to force a retainer client into a project-invoice template, or vice versa. The shift from spreadsheets is about not losing track of what's been sent and what's been paid once there's more than a handful of active clients.
Experience it yourself — start free, no credit card needed.
5-minute setup. Cancel anytime.
Who This Is For
Made for how consultants bill
Independent management and strategy consultants
HR and organizational consultants
Billing project-based engagements.
Finance and ops consultants
Mixing hourly and retainer clients.
Any solo consultant
Managing more than one billing model across their client list.
At Every Stage
Built for consultants at every stage
For consultants testing the workflow
Run your first hourly, project, or retainer invoices during the 14-day trial before committing to a plan.
For consultants with a growing client list
Manage mixed billing types across more clients without the manual overhead scaling right along with them.
For consultants running multiple engagement types at once
Keep hourly, project, and retainer billing organized in one place instead of juggling separate templates or tools per format.
Frequently asked questions
Everything you need to know about invoicing for consultants
The best invoicing software for consultants supports hourly, project-based, and retainer billing, since most independent consultants use more than one billing model depending on the client. Alfaa handles all three from one dashboard.
Yes. Each client's billing method is set independently, so an hourly client and a fixed-project client can both be managed from the same workspace.
Yes. Set the amount, client, and billing date once, and Alfaa generates and sends the invoice automatically every cycle.
No. Alfaa handles invoicing and billing, not bookkeeping or accounting. Most consultants run it alongside their accounting software or hand invoice records to a bookkeeper come tax time.
Yes. Invoices can be set to a client's local currency, which avoids the approval delays that come from billing in the wrong currency.
Stop rebuilding your invoice format every time a client's billing type is different
Start invoicing every engagement from one platform.
No credit card required · 14-day free trial · Hourly, project & retainer