Pricing · Updated 24 September 2026
Karbon Pricing Explained (2026) and a Cheaper UK Alternative
Wondering what Karbon costs? — this page compares both tools on what UK accounting firms need: CRM, UK deadline tracking, proposals, client portal, workflow and pricing. Competitor details are checked against their public websites; confirm current information before deciding.
Karbon pricing vs Remindoo
Taken from Karbon's pricing page on 29 September 2026. Prices can change, so check their site before deciding.
Karbon
Per user, per month · US dollars (as shown on their site)
Team (1–9 people)
$59 per user/month paid annually
or $79 per user/month paid monthly
Business (10–75 people)
$89 per user/month paid annually
or $99 per user/month paid monthly
Enterprise (100+ people)
Contact Karbon
- Their site says monthly billing is only available for teams of 4 or more.
- Every team member who needs access is a paid user.
Remindoo
Per client, per month · Pounds sterling, ex VAT
- Unlimited users on every plan, so adding staff doesn't add cost.
- Core and Growth plans, monthly or yearly (yearly saves 10%).
- Price is based on how many clients you manage.
Quick verdict
Choose Remindoo if…
you are a UK accounting or bookkeeping firm wanting CRM, proposals, workflow, Companies House deadlines, client portal and AML records in one system, with per-client pricing and unlimited users.
Karbon may suit…
Larger, email-centric teams running collaborative workflow.
Source and notes
Source: Awaiting verification
Verified: Not yet verified
Editor note: Not yet checked against Karbon's public website. Confirm current details directly with Karbon.
Karbon pricing vs Remindoo
Karbon's prices change, so we do not quote them. Check its current public price list, then compare it with the model below.
| Pricing point | Remindoo | Karbon |
|---|---|---|
| Pricing model | Per active client per month | Per user per month Source and notesSource: karbonhq.com Verified: 2026-09-29 Editor note: Taken from their public pricing page. |
| Users | Unlimited on every plan | Paid per user Source and notesSource: karbonhq.com Verified: 2026-09-29 Editor note: Taken from their public pricing page. |
| Plans | Core and Growth | Team, Business, Enterprise Source and notesSource: karbonhq.com Verified: 2026-09-29 Editor note: Taken from their public pricing page. |
| Yearly billing | 10% saving, plus up to 10% client growth included | From $59 per user/month paid annually Source and notesSource: karbonhq.com Verified: 2026-09-29 Editor note: Taken from their public pricing page. |
| VAT | Shown both including and excluding VAT | Shown in US dollars Source and notesSource: karbonhq.com Verified: 2026-09-29 Editor note: Taken from their public pricing page. |
| Free trial | 60 days (card required) | See Karbon's site Source and notesSource: karbonhq.com Verified: 2026-09-29 Editor note: Taken from their public pricing page. |
Feature comparison
Karbon details are marked "To be verified" until confirmed from their public website.
| Capability | Remindoo | Karbon |
|---|---|---|
| CRM and lead pipeline | Included — leads, pipeline stages and client records | To be verified Source and notesSource: Awaiting verification Verified: Not yet verified Editor note: Not yet checked against Karbon's public website. Confirm current details directly with Karbon. |
| UK deadline tracking (Companies House and HMRC) | Included — Companies House sync pulls filing deadlines | To be verified Source and notesSource: Awaiting verification Verified: Not yet verified Editor note: Not yet checked against Karbon's public website. Confirm current details directly with Karbon. |
| Proposals and engagement letters | Included — templates with e-signatures | To be verified Source and notesSource: Awaiting verification Verified: Not yet verified Editor note: Not yet checked against Karbon's public website. Confirm current details directly with Karbon. |
| Client portal | Included — secure document sharing and requests | To be verified Source and notesSource: Awaiting verification Verified: Not yet verified Editor note: Not yet checked against Karbon's public website. Confirm current details directly with Karbon. |
| Workflow and recurring tasks | Included — service templates and recurring tasks | To be verified Source and notesSource: Awaiting verification Verified: Not yet verified Editor note: Not yet checked against Karbon's public website. Confirm current details directly with Karbon. |
| Automated client reminders | Included — scheduled email reminders | To be verified Source and notesSource: Awaiting verification Verified: Not yet verified Editor note: Not yet checked against Karbon's public website. Confirm current details directly with Karbon. |
| UK support | UK-based team built by chartered accountants | To be verified Source and notesSource: Awaiting verification Verified: Not yet verified Editor note: Not yet checked against Karbon's public website. Confirm current details directly with Karbon. |
| Pricing model | Per active client, unlimited users | To be verified Source and notesSource: Awaiting verification Verified: Not yet verified Editor note: Not yet checked against Karbon's public website. Confirm current details directly with Karbon. |
| Free trial | 60-day free trial (card required) | To be verified Source and notesSource: Awaiting verification Verified: Not yet verified Editor note: Not yet checked against Karbon's public website. Confirm current details directly with Karbon. |
Why firms switch to Remindoo
Everything in one place
CRM, proposals, workflow, client portal, deadlines and AML records in one system instead of several.
Built around UK deadlines
Companies House sync imports filing dates, and recurring services track HMRC obligations for every client.
Pricing that grows with clients
Pay per active client with unlimited users — add staff without adding cost.
Switching from Karbon
- Export your client list and services from Karbon.
- Our team imports clients and pulls Companies House data.
- Map your jobs to Remindoo service templates.
- Run both systems for one cycle, then switch on client reminders.
Explore Remindoo
Frequently asked questions
How much does Karbon cost?
Karbon's current prices are listed on its own website and change over time, so we have not quoted them here. Check the latest figures there and compare them with Remindoo's per-client price, which includes unlimited users.
Is Remindoo a good Karbon alternative for UK firms?
Remindoo suits UK accountants and bookkeepers who want CRM, proposals, workflow, Companies House deadlines, client portal and AML records in one system with per-client pricing and unlimited users. Compare Karbon's current public pricing and features before deciding.
How do I switch from Karbon to Remindoo?
Export your client list and services, then Remindoo's migration help imports clients, sets up service templates and pulls Companies House data. Most firms run both systems in parallel for a short period before switching over.
How much does Remindoo cost?
Remindoo charges per active client per month with unlimited users on every plan. See the pricing page for current Core and Growth prices, including or excluding VAT.
Is there a free trial?
Yes. Remindoo offers a 60-day free trial of the full product. A card is required to start.
Every deadline. Every client. One system.
Start with the workflows that cause the most chasing, then bring leads, AML, proposals and clients into the same calm operating system.
Why organised billing matters for accounting firms
Late or missed invoices quietly damage cash flow. Linking billing to the services you have agreed with each client makes it easier to charge for all the work you deliver.
Healthier cash flow
Invoices raised on time, with a clear record of what is outstanding, reduce the time spent chasing payment.
Fewer missed charges
When fees are tied to agreed services, one-off extras and recurring work are less likely to be forgotten.
Fewer fee disputes
Clients who signed a proposal or engagement letter setting out the fee are less likely to challenge an invoice.
Better pricing decisions
Seeing what each client pays alongside the work involved shows where fees need reviewing.
Practical tips from UK practice
- Agree fees in a signed proposal or engagement letter before work starts.
- Keep your services catalogue up to date, so prices on new proposals are consistent.
- Review unpaid invoices every week, not only at month end.
- Review fees annually, and be ready to explain changes in scope.
Related Remindoo features
Written and reviewed by Waqas Sagar ACA FCCA FMAAT, Chartered Accountant with 18+ years in practice. Founder and MD of Accotax, an ICAEW, ACCA and AAT regulated London practice that has served over 5,000 clients, and founder of Remindoo. Guidance is general; check current GOV.UK and professional body guidance for your firm.
What UK practices say about Remindoo
Read all reviews on Trustpilot“With Remindoo, everything from the first enquiry to onboarding and ongoing client management is tracked in one place… It saves us hours and gives me, as a practice owner, complete visibility of where the firm stands.”
“The biggest benefit is having clients, tasks, deadlines, workflows, proposals and communication all organised in one place.”
“During my trial, the team were absolutely amazing. They helped onboard my clients, set up my settings and made sure everything was ready for me to use… they made the whole process completely stress-free.”
“It brings client information, tasks, recurring deadlines, workflows and reminders together in one place, giving us much better visibility across the team.”
