COLO gives virtual assistants a single workspace for running retainer hours across multiple clients, tracking what was done, communicating in context, and invoicing — without bouncing between a task tool, a separate chat app, a spreadsheet for hours, and a fourth tool for billing.
TL;DR
Virtual assistants use COLO to run retainer hours across multiple clients, track what was done, talk to each client in context and invoice. Tasks capture every extra request so billable time stops being guessed at month end, recurring monthly invoicing fires on its own, and chat lives next to the work instead of across five different inboxes.
Who this is for
You are a virtual assistant or a small VA agency running monthly retainers for four to twelve clients — inbox triage, calendar management, light bookkeeping, social scheduling, research, and the long tail of "could you also" tasks. Most weeks look like fifty or sixty individual tasks across the book and a quiet dread that you are leaving billable time on the table.
The friction tends to be the same shape:
- Hours are guessed at the end of the month. You did the work; you think it was about eight hours for client A and twelve for client B; the spreadsheet says otherwise.
- Conversations live in five different inboxes. Client A wants Slack, client B wants WhatsApp, client C wants email, and the new client has not decided yet. Context-switching all day is the job.
- Recurring invoicing is easy to forget. The retainer is the same amount every month; one missed invoice is a week of cash flow.
Three features virtual assistants use every week
Tasks that capture every "could you also"
Run each client as a project (or one project per retainer) and log every task — inbox triage, calendar moves, document edits — against the client. Create tasks and manage them with documents and files. Receive comments regarding task performance. Our task control system provides users with the tools to effectively manage and track their tasks within the application. When the client asks at the end of the month what their retainer paid for, the answer is one screen away.
Recurring monthly invoicing that fires on its own
Set the retainer once — amount, frequency, due date — and let the recurring invoice ship every month. Integrating invoice functionality into our application streamlines the billing process, enhances accuracy, improves cash flow management, and provides a better overall experience for both businesses and clients. Out-of-scope hours (the "could you also" that takes three extra hours) become a small overage invoice you can issue without restarting the retainer.
Chat that lives next to the work
Conversations, briefs, and feedback live against the client they are about — not in a Slack channel, a WhatsApp thread, and an email folder that nobody can search. Integrating chat functionality into an application offers numerous advantages, enhancing both user experience and operational efficiency. By incorporating chat, an application can significantly improve client satisfaction, streamline operations, and foster stronger relationships. When a new client onboards, you send them one portal link; you stop signing into four messaging apps a day.
For more, see task management and calendar.
A typical week in COLO for a virtual assistant
- Enquiry — a small-business owner asks about a ten-hour-a-week retainer; the lead becomes a client record with the scope and starting date.
- Onboarding — you send a branded proposal scoping the retainer, a simple contract, and the first monthly invoice; the client signs, pays, and the workspace opens with the retainer as a recurring project.
- Delivery — tasks log against the client as they come in; chat lives next to the tasks; the client sees only their own project portal.
- Payment — the recurring monthly invoice fires on the first; overage tasks invoice separately as they ship; the finance dashboard shows revenue per client.
How virtual assistants use COLO today
Monday morning starts the way the month always starts — four retainers, four sets of priorities, four different inboxes you used to switch between fifteen times a day. Now you open one workspace; the four retainer projects show their open tasks on a single "today" view. Client A wants inbox triage; client B wants calendar wrangling; client C has dropped a research brief overnight; client D has a vendor call to confirm. The day's work is already triaged by who is paying for what, not by which messaging app pinged loudest at 8am.
Through the week the work logs against the retainer it belongs to. Each "could you also" request from a client becomes a task on their project — with the file or the email screenshot attached — so the answer to "what did my retainer pay for this month?" is one screen, not a hour rebuilding a spreadsheet. When client C asks for an extra five hours of research on top of their ten-hour retainer, the overage logs against the retainer and the overage rate from the contract pre-fills the next invoice line. The contract does the awkward conversation; you just send the invoice.
On the first of the month the four recurring retainer invoices fire automatically, each at the right amount, each paid by card from the portal. The overage invoices fire as they ship through the month. The finance dashboard shows revenue per client and per project for the month — and the four-tab job that used to eat Friday afternoons becomes a Monday-morning glance.
What it costs vs your current stack
Most working virtual assistants carry a four-tool stack — a task tool for client work, a separate chat or messaging tool, a spreadsheet for hours per retainer, and a billing app for invoicing. The monthly bill comes to roughly $50–70 before the first retainer of the quarter renews. COLO replaces the four with one workspace, and the Solo plan covers the cycle end-to-end at zero.
| Tool | Plan | Cost/month |
|---|---|---|
| Current 4-tool stack | Asana + Slack + Sheets + QuickBooks | ~$60 |
| COLO Solo | Free | $0 |
| COLO Pro | Per user/mo | $18 |
| COLO Grow | Per user/mo | $24 |
You swap a $60/month stack for one tool that already does this work. Pro adds a second-VA seat for a small agency; Grow adds the white-label client portal on your studio's custom domain.
FAQ
Q: Can I track hours per client without a separate time-tracking tool?
Yes — log time against tasks as you go; the project view shows total hours for the month per client, so you know which retainers are running over and which have headroom.
Q: How do I handle the "could you also" requests that push past the retainer hours?
Log them as tasks against the project; the contract names the overage rate; once the retainer hours are used, the next task is an overage invoice you can issue from the same client record.
Q: Can each client see only their own work, not the other clients I run?
Yes. Each client has a portal that shows only their project, their tasks, and their invoices. They never see another client.
Q: How does COLO compare with running Asana plus a chat tool plus QuickBooks?
For most virtual assistants, the all-in-one stops the four-tab job and lets the client see their work, their conversations, and their invoices in one portal. See our post on how to manage clients, tasks, and payments in one system.
Q: Can I set different retainer rates for different clients?
Yes — each client has their own retainer agreement with its own rate, frequency, and included hours. The recurring invoice fires per client at the right amount.
Q: Can I invoice in the client's currency for international founder clients?
Yes. Each client record holds the invoicing currency; the recurring invoice issues in that currency and the client pays by card from the portal. The finance dashboard converts to your reporting currency on the day the payment cleared.
Q: How do I onboard a new client without a half-day of setup admin?
Hold an onboarding template — proposal, contract, recurring invoice schedule, project structure, intake questionnaire — and clone it for the new client. The setup happens in fifteen minutes; the client signs and pays from the portal in one flow.
Q: Can I run a small VA agency where each VA only sees their own clients?
Yes. Invite each VA as a workspace user with access only to the clients they are staffed on; the agency owner gets a cross-VA view for workload and revenue planning.
Q: How do I pause a retainer when a client takes a month off?
Pause the recurring invoice schedule on the client record; resume it when the client comes back. The contract terms govern the pause window.
Q: Can clients chat with me inside COLO instead of WhatsApp or Slack?
Yes. Each client portal includes chat; conversations live against the client and the task, so the trail is searchable next time. Most VAs find that one portal per client replaces the four-app daily juggle.
Pricing
Solo plan is free forever for one VA. See our pricing for Pro and Grow plans if you grow into a small VA agency with a team.