COLO gives remote-first freelancers a single workspace for running projects with clients you may never meet in person — async conversation, project transparency, multi-currency invoicing, and a clean client portal — without juggling Slack Connect threads, a separate billing tool, and a project board nobody on the client side has access to.
TL;DR
Remote-first freelancers use COLO to run projects with clients they may never meet — async conversation, project transparency, multi-currency invoicing and a clean client portal. Async chat lives against the project instead of across five inboxes, invoicing handles cross-border currency without a second billing account, and project workspaces give the client the right level of visibility rather than all or nothing.
Who this is for
You are a remote-first freelancer — a developer, designer, marketer, writer, or technical consultant — serving clients across borders. Your work is fully online, your clients are in two or three different countries, and "remote" is not a perk for you, it is the default. A typical month is four to eight live engagements, a couple of new proposals out, a couple of contracts in negotiation, and the steady background of async communication that makes or breaks the relationship.
The friction tends to be the same shape:
- Async communication is the job, but it lives in five inboxes. Slack Connect for client A, email for client B, WhatsApp for client C, a Notion comment thread for client D — and you switch apps fifteen times a day to keep up.
- Cross-border invoicing is a paperwork hit. You bill in USD; the client wants EUR; the bank charges a wire fee; the accountant asks for the FX rate; the whole thing eats two hours a month per client.
- Project transparency is binary. Either the client has full access to your Notion (and gets confused), or they have no access (and they ask for a status update every Tuesday).
Three features remote freelancers use every week
Async chat that lives against the project
Conversations, briefs, and feedback live against the project they are about — not in a Slack channel a new client cannot find on day one. 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. The client posts a question in their timezone; you answer in yours; the thread is searchable for the next deliverable without anyone scrolling through three messaging apps.
Multi-currency invoicing
Set each client's invoicing currency; the invoice issues, sends, and accepts payment in that currency. 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. The client pays by card in their currency; the money settles in your account; the bookkeeping captures the FX line so the accountant does not have to ask.
Project workspaces with the right level of client visibility
Run each engagement as a project with tasks, milestones, and a high-level client view. With COLO's project system, you can implement your project plan by assigning tasks, allocating resources, and coordinating activities. Track your project's performance against the plan. The client sees milestone progress and key approvals; your internal task list, drafts, and team comments stay on your side — they get the transparency they need without the noise they do not.
For more, see client chat and project management.
A typical project in COLO for a remote freelancer
- Enquiry — a cross-border client emails with a project brief; the lead becomes a client record with the scope, the currency, and the timezone captured.
- Onboarding — you send a branded proposal in the client's currency, a contract scoping the work and the payment schedule, and a deposit invoice. The client signs and pays from the portal in their currency.
- Delivery — work and conversation run async against the project; the client sees milestone progress; you keep your working hours sane.
- Payment — milestone invoices fire in the client's currency; payments clear into your account; the finance dashboard shows revenue per client in your reporting currency.
How remote freelancers use COLO today
Monday morning, the workspace shows four active engagements — a UK client mid-build, a US start-up at discovery, an EU agency on retainer, and a new enquiry that came in from a referral over the weekend. Each client's preferred currency, time zone, and comms channel is set on their record. The day's tasks are triaged by deadline, not by which inbox pinged loudest at 6am. The four-app daily juggle is gone; one workspace holds all four relationships.
Through the week, async comms run against the projects. The US start-up drops a feedback note Tuesday afternoon their time while you are about to finish your day in Lisbon; the reply happens Wednesday morning yours; the thread is searchable when the work resumes. The UK client's milestone closes Thursday; the milestone invoice fires in GBP; payment clears Friday. The EU agency's monthly retainer renews on the first; the invoice issues in EUR; the recurring schedule is set and forgotten. No "where do I send payment" emails, no "what time zone should we meet" tennis.
By month-end the finance dashboard rolls the four engagements into revenue per client in their headline currency and rolled up in your reporting currency. The portal log shows the new enquiry's signed contract; the year-on-year revenue trend says whether the freelance business is actually growing. The transparency the clients get on milestone progress — without seeing your internal task list — keeps the "where are we?" emails from arriving in the first place.
What it costs vs your current stack
Most remote-first freelancers carry a four-tool stack — a notes or project tool, a separate billing app, a chat tool for client comms, and a payment processor. The monthly bill comes to roughly $60–95 before the first invoice of the month ships. COLO replaces the four with one workspace.
| Tool | Plan | Cost/month |
|---|---|---|
| Current 4-tool stack | Notion + Stripe + Slack Connect + Bonsai | ~$75 |
| COLO Solo | Free | $0 |
| COLO Pro | Per user/mo | $18 |
| COLO Grow | Per user/mo | $24 |
You swap a $75/month stack for one tool that already does this work. Pro adds a partner or sub-contractor seat; Grow adds the white-label client portal on your custom domain.
FAQ
Q: Can I run one project on Slack Connect and a different one in COLO, or do I have to pick one?
You can run COLO alongside any other tool — clients on Slack Connect, clients in COLO, clients on email. Most remote freelancers find that one client portal in COLO replaces three or four threads outside it.
Q: How does multi-currency invoicing work for a client who insists on bank transfer?
The invoice issues in the client's currency; bank-transfer details are on the invoice with the right account; card payment is also available from the portal. Whichever the client uses, the payment is captured against the same invoice.
Q: Can the client see the project milestones without seeing my internal task list?
Yes. The client portal shows the milestone progress and approvals you choose to share; your internal tasks, drafts, and team comments stay on your side.
Q: How do I onboard a new cross-border client without three rounds of "how do you want to pay" emails?
Send the contract and the deposit invoice as one bundle; the client signs from the portal and pays by card in their currency in the same flow.
Q: How does COLO compare with a Notion stack plus Calendly plus Stripe?
For most remote freelancers, the all-in-one stops the four-tab job and gives one record per client. See the Notion-stack comparison for the side-by-side, and our post on how to build a scalable freelance business system.
Q: Can I work with a partner on one engagement without giving them access to my whole book?
Yes. Invite the partner as a workspace user with access only to the engagements they are staffed on; they never see the rest of the client book.
Q: How do I quote a discovery call followed by a fixed-fee engagement without two separate proposals?
Run the discovery as a paid intro session against the client record; on completion, convert the call notes into the full proposal. Both live against the same client without a re-typing tax.
Q: Can I send invoices in the client's currency for cross-border work?
Yes. Each client record holds the invoicing currency; invoices issue, send, and accept payment in that currency; the finance dashboard converts to your reporting currency on the day the payment cleared.
Q: How do I share milestone progress with the client without giving them my whole task board?
The portal shows the milestones, the approvals waiting for them, and the next deliverable date. Internal tasks, drafts, and team comments stay on your side.
Q: Can I run a small sub-contractor team for spillover work?
Yes. Invite each sub-contractor as a workspace user with role-based access; the engagement records show who did what when, so payment, attribution, and the audit trail are all in one place.
Pricing
Solo plan is free forever for one freelancer. See our pricing for Pro plans when you collaborate with a partner or sub-contractor.