The operating system for the modern agency
Clients, projects, hours, knowledge, and every conversation in one place. OS3 replaces the eight tools your agency duct-taped together, and runs AI agents on top of all of it.
HubSpot sync agent
OS3
Quickbooks integration
OS3
Loom embeds in documents
OS3
Reporting infrastructure cost
OS3
Client portal permissions
OS3
Timesheet approvals flow
OS3
Slack thread linking
OS3
SSO for client accounts
OS3
Invoice export mapping
OS3
Agency onboarding checklist
OS3
Retainer burn-down widget
OS3
Calendar two-way sync
OS3
An illustration of the OS3 task board: a client and project rail beside four columns — to do, in progress, blocked and done — each holding tasks with the project they belong to and the person leading them.
Currently paying for all of this
- Project management
- Time tracking
- Wiki / docs
- CRM
- Contracts
- Reporting / BI
- Shared inbox
- Calendar sync
- AI add-ons
Cost
One line item instead of nine
The average agency stack runs a per-seat bill across PM, time, docs, CRM, BI, and AI add-ons. OS3 consolidates it.
See the cost breakdown →Switching
Agents in the same system
A project manager agent and a developer agent that read the same contracts, tasks, and hours your team works from.
Meet the agents →The platform
One system. Every part of running the agency.
Central admin for clients, contracts, and projects sits underneath every module, so nothing needs to be re-entered anywhere.
- Project managementTasks, sprints, and delivery for client and internal work in the same board.
- Knowledge managementAccount knowledge that updates itself from the work happening around it.
- Time trackingHours attach to the work itself, so billing never lags behind delivery.
- ReportingUtilization, margin, and delivery health without exporting anything.
- Centralized commsEmail, Slack, Teams, and Google Chat threaded onto the client they belong to.
AI-native, not AI-bolted-on
Agents that already know the account
Because contracts, tasks, hours, documents, and conversations live in one system, OS3's agents work with full context. They chase status, draft the doc, flag the timesheet gap, and open the pull request.
Meet the agents- PM agentRebalanced 4 tasks on Northwind after a slipped dependency.
- Time agent6.5 unlogged hours reconstructed from activity, pending approval.
- Knowledge agentOnboarding doc updated after the new staging URL shipped.
Get in before the beta fills
We're onboarding a small group of agencies at a time so each one gets migrated properly.
Join the waitlist