Sessionly vs. WriteUpp: Which is Right for Your UK Therapy Practice?
If you are looking for practice management software in the UK, WriteUpp is almost certainly on your radar. They are an established platform with a large user base, and for many multi-disciplinary clinics, they are a fantastic choice.
However, because WriteUpp is built to accommodate everyone from osteopaths to dietitians, it naturally lacks the specific clinical nuances required by psychotherapists and counsellors. Sessionly was built from the ground up exclusively for the UK therapy sector.
Here is an honest breakdown of how the two platforms compare on pricing, features, and clinical governance, so you can make the right choice for your practice.
The Pricing Reality: Per-User vs. Flat-Rate
Solo practitioner pricing
Monthly
Annual
| Plan | WriteUpp Solo | Sessionly Private Practitioner |
|---|---|---|
| Monthly | £27.95 | £10.99 |
| Annual | Not offered | £109/year (£9.08/month) |
As of April 2026, WriteUpp does not advertise an annual billing option on their pricing page. Sessionly's Private Practitioner plan is available monthly or annually, with annual billing saving roughly £23 per year compared to monthly.
For a solo therapist, switching from WriteUpp Solo to Sessionly Private Practitioner saves around £200 a year on software costs — and Sessionly's AI note structuring is included at no additional charge, while WriteUpp's AI Medical Scribe is a £23.95 per user add-on.
However, if you run a small agency or clinic, the pricing models are fundamentally different. WriteUpp uses a “per-user” model that scales up as your team grows. Sessionly uses a flat-rate model designed to help agencies expand without being penalised by their software bill.
Agency Pricing Comparison (As of April 2026)
2 Therapists
5 Therapists
10 Therapists
15 Therapists
25 Therapists
| Team Size | WriteUpp (Group Tier) | Sessionly (Agency Tier) |
|---|---|---|
| 2 Therapists | £45.95/month | £39.99/month |
| 5 Therapists | £90.95/month | £39.99/month |
| 10 Therapists | £165.95/month | £39.99/month |
| 15 Therapists | £225.95/month | £39.99/month |
| 25 Therapists | £345.95/month | £39.99/month |
WriteUpp's Group tier starts at £45.95/month for two clinicians. Additional clinicians (users 3–10) cost £15 per user. Clinicians 11–25 cost £12 per user.
The AI Cost Factor
It is also worth noting that WriteUpp charges an additional £23.95 per user for their AI Medical Scribe feature. Sessionly includes secure, built-in AI structuring for SOAP and DAP notes at no extra cost.
When WriteUpp is the Right Choice
We want you to use the software that best fits your clinic. WriteUpp is likely the better choice for you if:
- You run a multi-disciplinary practice: If you employ physiotherapists or medical doctors alongside counsellors.
- You need digital prescribing: WriteUpp natively integrates with CloudRx for digital prescriptions.
- You rely on specific third-party integrations: If your workflow is already deeply tied to Xero for accounting or Mailchimp for email marketing, WriteUpp supports these direct connections.
- You need built-in video calls: WriteUpp offers video consultations as an optional paid add-on.
When Sessionly is the Right Choice
Sessionly is the better choice if your clinic is strictly focused on psychotherapy, counselling, or psychology, and you want software that natively understands UK compliance. Sessionly is for you if:
- You're a solo private practitioner who wants UK-therapy-specific software at a fair price: £10.99/month (or £109/year) versus £27.95/month for WriteUpp Solo — and AI note structuring, HMRC-aligned finance tracking, CPD logging, and built-in outcome measures are all included, not paid add-ons.
- You want built-in outcome measures: Sessionly includes CORE-10, PHQ-9, and GAD-7 built-in with automatic scoring and risk flags, plus support for WSAS and WEMWBS where you hold the relevant licence.
- You need true clinical governance: Sessionly uses a strict 2-code system that separates administrative records from clinical notes, keeping you perfectly aligned with GDPR and BACP retention guidelines.
- You manage physical clinic rooms:If your agency shares a brick-and-mortar space, Sessionly's group calendars handle overlap reservations. You can manage physical assets — like specific therapy rooms — ensuring your team never double-books the same space at the same time.
- You dread HMRC self-assessment:Sessionly tracks your income and lets you log expenses against UK self-assessment categories — so when January arrives, you've already done the categorisation work.
- You manage a growing agency: The £39.99 flat-rate allows you to add up to 25 therapists, manage shared calendars, assign assessments, and track team-wide clinical compliance from a centralised Leadership Dashboard without your software bill increasing.
Frequently Asked Questions
Can I import my existing clinic data from WriteUpp into Sessionly?
We don’t pretend migrating practice management software is easy — it isn’t. There’s no one-click import from WriteUpp today, but we’ll personally help you get set up. Email us when you’re ready to switch and someone from the Sessionly team will walk you through transferring your active client list, archiving historical records sensibly, and getting your workflows running. Most therapists run both platforms briefly in parallel during the transition, and the 14-day free trial gives you time to test before committing.
Does Sessionly have a storage limit for clinical files?
WriteUpp limits individual file attachments to 16MB. Sessionly accepts files up to 25MB each, with no overall storage cap on your account — comfortable headroom for clinical documents, therapy agreements, intake forms, and scanned receipts.
Are both platforms GDPR compliant?
Yes. Both platforms take data security seriously. However, Sessionly was built with a “GDPR-first” architecture specifically for mental health records, ensuring that client names are AES-256 encrypted and stored entirely separately from clinical session notes.
Try Sessionly for 14 days, free
No credit card required. Set up in under 5 minutes. If you're switching from WriteUpp, email us — we'll help you migrate.
Start 14-day free trialPricing and features verified from writeupp.com/pricing in April 2026. Always verify directly before making purchasing decisions.