Scope changes without a visible trail
New requests and revised deliverables affect billing, but the conversation and the invoice often live apart.
Invoicing software for consultants who sell expertise, not line items.
Independent consultants who want the proposal, deposit, client portal and payment reminders in one tool use Workspace369, from $29 a month on Cadet; consultants who mainly need a ledger use FreshBooks, QuickBooks or Xero. FreshBooks' official pricing page lists Lite at $23 a month for up to 5 billable clients (checked October 19, 2026).
Keep scope, deliverables, meeting notes, time, change requests, reviewed invoices, payments and client communication attached to the same consulting relationship. An independent consultant starts on Cadet at $29 a month for one seat, and time tracking is on every plan.
14-day free trial. Card required. After the trial: from $29/month. Renews automatically every month until you cancel. Cancel anytime in Settings → Billing.
2 minutes: email, mobile number (code for US/Canada only), card. $0 for 14 days.
Scopepreserved beside every engagement
Flexiblehourly, fixed-fee and milestone examples
Clearwork records and invoice balances together
Key facts
Consultant invoicing software at Workspace369 covers 10 areas, including proposals, agreed service periods, time tracking.
The workflow runs in 4 steps, from "define the engagement" to "review the relationship".
Workspace369 starts at $29/mo for 1 seat, and the Commander plan includes 20 seats and 12× Cadet usage at $299/mo.
Additional seats cost $10 each; full pricing is public on the Workspace369 pricing page.
Compared
Invoicing software for consultants compared
The software independent consultants use for proposals and invoicing depends on what sits around the invoice. Workspace369 fits consultants who want a proposal, deposit, client portal and payment reminders in one tool, from $29 a month on Cadet. FreshBooks Lite is $23 a month; QuickBooks and Xero suit consultants who need a ledger and an accountant.
| Tool | Entry price (list) | Reminders on entry plan | Key entry-plan limit | Trial |
|---|---|---|---|---|
| Workspace369 | $29 a month (Cadet), $23.25 billed yearly | Yes, 1, 3, 7, 14, 30-day ladder | 1 seat, 5 active projects | 14 days, card required |
| FreshBooks | $23 a month (Lite) | Yes | 5 billable clients | 30 days, no card |
| QuickBooks | $38 a month (Simple Start) | Not stated | 1 user | 30 days, card not stated |
| Zoho Invoice | Free | Yes | 2 users, 3 projects, 500 invoices a year | Not stated |
| Square | Free (Plus price not shown) | Mentioned, plan not stated | Payment schedules need Plus | Not stated |
| Wave | $0 (Pro $19 a month) | Pro only | Extra users need Pro | None described |
| Xero | $27 a month (Early) | Not stated | 20 invoices and quotes | Not stated |
Prices and limits from each vendor's official pricing page, checked October 15, 2026, in USD. Prices change, so confirm before you buy. The FreshBooks Lite figure in the answer was re-checked on October 19, 2026. Read the full buyer's guide.
The problem
Consulting invoices depend on more than a total
Retainers require manual reconciliation
Hours, milestones, recurring work, credits, and remaining value become spreadsheet work.
The client asks for context
A billing question requires searching meeting notes, email, files, project boards, and payment history.
The product
See the workspace your clients feel.
01
Every channel in one inbox
Email, SMS, calls, and voicemail land beside the client record — with AI summaries, so anyone on the team can reply with full context.
02
Client work, organized as projects
Tasks, files, and status for every engagement — visible to the team and, through the client portal, to the client.
03
Review the work, then invoice
Prepare the client invoice with line items, payment terms and the agreed amount. Review it before sending and track its payment status.
04
A portal clients actually check
Clients watch progress, files, and invoices in a branded portal instead of asking your team for updates.
Workflow
From consulting proposal to paid engagement
01
Define the engagement
Use client records, proposals, quotes, notes, files, and accepted scope to create a shared starting point.
02
Deliver with a record
Track projects, tasks, calendar events, time, expenses, decisions, messages, and files as the work develops.
03
Review the charge and prior payments
Prepare an invoice from the agreed billing model and supporting work record. Check scope changes, expenses and prior payments before sending; scheduled billing and prepaid usage tracking need their own verified workflow.
04
Review the relationship
See client activity, revenue, expenses, receivables, project status, and follow-up in one workspace.
A consulting billing system around the relationship
- The strongest fit is a consultant who needs delivery and billing context together.
- Workspace369 supports both solo consulting and multi-person client-work operations.
- Dedicated accounting or tax requirements may still justify an accounting-focused product or accountant workflow.
Proposals
Agreed service periods
Time tracking
Invoices
Payment plans
Expenses
Projects
Meeting notes
Client files
Invoice balances
Priced for the team, not per person.
Each team plan includes seats. Retainers, recurring invoices, proposals and client records are on every plan. Extra seats are $10 a month each.Voyager
$74 / month
Founding offer: $444 for your first year, billed yearly
2 seats included
Start Voyager trial14-day free trial. Card required. After the trial: $74/month for Voyager. Renews automatically every month until you cancel. Cancel anytime in Settings → Billing.
Specialist
$149 / month
Founding offer: $894 for your first year, billed yearly
10 seats included
Start Specialist trial14-day free trial. Card required. After the trial: $149/month for Specialist. Renews automatically every month until you cancel. Cancel anytime in Settings → Billing.
Commander
$299 / month
Founding offer: $1,794 for your first year, billed yearly
20 seats included
Start Commander trial14-day free trial. Card required. After the trial: $299/month for Commander. Renews automatically every month until you cancel. Cancel anytime in Settings → Billing.
Founding member offer on yearly plans: your first year costs the same as 6 months, for the first 100 customers who join by Oct 31. USD monthly billing. Compare all plans. Prefer a guided walkthrough first? Book a demo.
Free account setup & migration help
Our team sets up your workspace with you and helps move your clients and invoices from the tools you use now.
Export your data as a spreadsheet and AI Import maps the columns for you. Support can help with anything unusual.
Offer ends .
Start free trial
14 days free · card required · then $29/mo · cancel anytime
After signup, claim free setup in your workspace.
What reviewers say about Workspace369.
★★★★★
SMB ModernizationGreat tool for modernizing small businesses. Ability to leverage AI without technical background.
★★★★★
True all-in-one systemIt beautifully combined my CRM, team calendar, and billing tools so I could finally stop paying for a bunch of separate software subscriptions
★★★★★
Best app for my construction businessGreat app. This app solved all my needs! Not only did it help, but it is cheaper than other apps. I highly recommend this app if you want to start organizing and automating your business on another level. Also love the design
Quoted exactly as written, in the reviewer’s own language. This is a selection of reviews, not all of them. Reviews from our own team are left out of the selection, but the overall rating includes their ratings.
Get started
See Workspace369 on your own client work.
Start your trial, invite the team and, for a limited time, claim free setup and migration help in your workspace. Prefer a walkthrough first? Book a demo. Start free trial Book a demo
14-day free trial. Card required. After the trial: from $29/month. Renews automatically every month until you cancel. Cancel anytime in Settings → Billing.
FAQ
What consultants should compare
What is the best invoicing workflow for consultants?
A strong workflow connects the proposal and scope to project delivery, time, expenses, invoices, payment status, and client communication.
How should consultants document a monthly service agreement?
Keep the service period, included work, agreed fee and any approved extra work with the invoice. A monthly service invoice is different from a prepaid balance ledger; verify usage, rollover and automation requirements separately.
Can consulting teams use Workspace369?
Yes. Workspace369 supports team access, client-scoped roles, projects, inbox workflows, files, billing, reporting, and multi-workspace operations by plan.
Which plan includes time tracking for consultant invoices?
Voyager costs $74/month in USD for two seats and adds the shared inbox, SMS and calls; time tracking, timesheets and time-to-invoice come with every plan. Cadet at $29/month for one seat covers proposals and invoices for fixed-fee work. Expense tracking and receipts start at Specialist at $149/month for ten seats.
Can a consulting client pay an invoice without creating an account?
Yes. Every plan includes public invoice and payment links. The client can view the invoice and pay online without an account. Review the service period, agreed amount and any prior payments before sending the link.
What software do independent consultants use for proposals and invoicing?
It depends on the work around the invoice. FreshBooks Lite (a $23 a month list price for up to 5 clients, checked October 19, 2026) suits simple invoicing, QuickBooks and Xero suit consultants who need a ledger and an accountant, and Workspace369 fits when the proposal, deposit and invoice should live on one client record.
See where Workspace369 fits into your client-work flow.
Start with the modules you need today, then turn on AI, automations, accounting, inventory, requests, and reporting as the operation grows.
14-day free trial. Card required. After the trial: from $29/month. Renews automatically every month until you cancel. Cancel anytime in Settings → Billing.
