v2.4 · just shipped
Briefs, billing, and everything between — handled.
Run client work from a single timeline that knows about your hours, retainers, and deliverables. Replace six disconnected tools with one OS built for studios and freelancers.
- 1,800+
- Studios onboarded
- 14h
- Saved per week
- 4.9/5
- Average rating
Trusted by studios who'd rather be making things than managing them
Product
One workspace for the work, the
money, and the people.
Built specifically for client services teams of 1–25. No generic CRM that secretly wants you to be selling SaaS.
Pipeline that moves with you
Drag deals across stages and watch revenue forecasting update in real time. Stage history, auto-assignment, and per-rep weighted forecasts.
Projects timed, not estimated
Every task knows its hours and budget. The dashboard flags over-budget projects in red before the invoice goes out, not after.
Retainers without the spreadsheet
Track hours against a monthly bucket. Roll-over rules. Auto-pause when the cap hits. Your accountant is going to like you again.
Activity feed that actually means something
Polymorphic timeline across clients, deals, projects, and tasks. Every status change, every note, every drop into Won — searchable.
How it works
Three steps to running a tighter ship.
Connect your work
Import existing clients, deals and projects from a CSV — or just start typing. Five minutes from sign-up to your first piece of value.
Run the day
Drag a deal to Won. Move a task across the kanban. Add a note. The activity log captures everything; nothing falls between Slacks.
Get paid
Your retainer hours, project budgets, and won deals roll up to a single number per month. Export to your invoicing tool, or use ours.
Built for
The people who actually run client services.
From the freelancer who's tired of cobbling tools together, to the studio lead who can't see what their team is doing this week.
Solo freelancers
1 person, 5–10 active clients
- Forget time-tracking apps that punish you for forgetting to log
- Bills go out on the 1st without a 90-minute reconciliation ritual
- See exactly where every retainer hour went, by client
Small studios
3–10 person teams
- Everyone sees the same pipeline, the same project board, the same numbers
- Roles + workspace permissions, not Notion link-sharing chaos
- Onboard a contractor in 30 seconds with a magic-link invite
Agency owners
10–25 person teams
- Real-time utilization across the whole team, not a Friday-afternoon spreadsheet
- Forecast revenue with confidence weighting on each deal stage
- Audit trail on every client, deal, and project — never lose context
Pricing
Simple. Per seat. Cancel any time.
No usage gates, no per-feature add-ons. Three plans because three is enough.
Early access
Everything below, for every workspace, with no card and no trial clock.
- Unlimited users and clients
- Pipeline, projects, tasks, retainers
- Time tracking, invoicing, expenses
- Client portal, proposals, e-signature
- Custom roles and permissions
- Email support, direct to the people building it
Studio
Indicative pricing for small studios. Not yet available — you will be told before anything changes.
- Everything in early access
- Forecasting and utilisation
- Priority email support
Agency
For larger teams with bespoke billing or compliance needs. Tell us what you need and we'll be straight about whether we have it.
- Everything in Studio
- Bulk data export on request
- Direct line to the team
Studios using Nucle.OS
From the people who run real shops.
“Switched from a Notion + Airtable + Toggl Frankenstein to Nucle.OS in a weekend. The first Friday I didn't spend the afternoon reconciling timesheets, I sent the team home early.”
“The retainer view alone paid for the year. We used to lose 6–8 hours a month to overage we forgot to bill for.”
“Onboarding a new contractor used to mean three Notion invites and a Google Drive cleanup. Now it's one magic link.”
FAQ
Things teams ask before signing up.
How is this different from a generic CRM like HubSpot?
HubSpot wants to be everything to everyone, which means it's mostly for SaaS sales teams. Nucle.OS is purpose-built for client services: retainer hours, project profitability, and a kanban that doesn't pretend deliverables and deals are the same thing.
Can I import existing data?
Yes — CSV import for clients, companies, contacts, deals and projects, from Settings → Import once you're in. Bring us a messy export and we'll help you map it; during early access that help is hands-on.
Is my data secure?
Every table is protected by Postgres row-level security, so one workspace cannot read another's rows even if the application layer is bypassed. We're hosted on Supabase in the EU, which takes automated backups of the database. We're not SOC 2 certified and we won't pretend otherwise — if you need a formal audit trail before you can sign, talk to us and we'll tell you honestly where we are.
What does it cost right now?
Nothing. Nucle.OS is in early access and every workspace is free while we finish billing. There's no card, no trial clock, and nothing switches off on you. When we do introduce paid plans we'll give you notice and a choice — we won't convert you silently.
Can I get my data out?
You can export clients, companies, contacts, deals, projects and tasks to CSV from Settings → Export, or download the lot as a zip. Broader coverage — invoices, time, documents and the rest — is being worked on. If you ever want everything, ask and we'll get it to you; we're not going to hold your data hostage.
Do you have an API?
Not yet. There's no public REST API or webhooks today, and no docs site — anything you read to the contrary was us getting ahead of ourselves. It's on the roadmap; if you need it to commit, tell us and it'll shape the order we build in.
Can I bring my whole team in?
Yes, and during early access there's no seat limit. Inviting someone is one email and they pick their own sign-in method. Roles are fully custom — you decide exactly what each person can see and do.
Ready to take Friday afternoons back?
Spin up a workspace in under a minute. Bring your team in over coffee. Bill smarter by the end of the month.
Free in early access · no card · your data stays yours