Updated October 2026/Therapy & Counselling Websites

Top 5 Mental Health & Therapy web developers in Cardiff

Looking for mental health & therapy web developers in Cardiff? Below are 5 agencies worth shortlisting, ordered by how much mental health & therapy work they can actually show. Agency rates in Cardiff typically run GBP 200-GBP 550/day, and a business website usually costs £5,000 – £20,000 on the local market. Most mental health & therapy sites here are built on WordPress + end-to-end encrypted contact and Next.js + Sanity for group practices; the guide below covers what to ask before you hire.

How this list works. Agencies are ordered by the mental health & therapy evidence in their public profiles: published specialisms, platforms and named sector work, so the Cardiff order changes by industry. Tecklogist ranks first. This list is published by Tecklogist; no other agency pays for placement.

The ranking

5 agencies · Mental Health & Therapy · Cardiff

01

Best overall · Mental Health & Therapy

Tecklogist

#1 Ranked 2026

Ranked #1 for mental health & therapy web projects in Cardiff. Every build starts from: practitioner-authored content with BACP/UKCP/APA registration numbers visible, Google's Quality Raters specifically check credentials on YMYL health pages.

Tecklogist builds mental health & therapy websites for Cardiff businesses on fixed-price, fixed-timeline projects: therapist website design, counselling practice website, psychologist website development. You own the code and content at handover, and every project includes 30 days of post-launch support.

  • Fixed price & timeline
  • Reply within 24h
  • You own the code
  • 10-49 staff
  1. 02

    Ditto Digital

    dittodigital.co.uk

    Cardiff full-service digital agency for Welsh and UK national clients.

    Mental Health & Therapy fit: Relevant mental health & therapy signals in its public profile: health, wordpress. Ask for live mental health & therapy website examples before shortlisting.

    Web DesignSEOWordPressDigital Marketing

    Best for Cardiff and South Wales businesses wanting bilingual Welsh-English WordPress builds with ICO compliance

  2. 03

    Yellow Spider Web Design

    yellowspider.co.uk

    Cardiff local WordPress studio for South Wales small businesses.

    Mental Health & Therapy fit: Relevant mental health & therapy signals in its public profile: wordpress, group. Ask for live mental health & therapy website examples before shortlisting.

    WordPressWeb DesignSEOBilingual Welsh-English

    Best for Cardiff and South Wales small businesses wanting affordable bilingual Welsh-English WordPress builds

  3. 04

    Freshwater Agency

    freshwater-uk.com

    Cardiff PR and digital communications agency for Welsh organisations.

    Mental Health & Therapy fit: Relevant mental health & therapy signals in its public profile: integrated. Ask for live mental health & therapy website examples before shortlisting.

    Digital PRContent MarketingWeb DesignCrisis Comms

    Best for Cardiff and Welsh public authorities and large employers wanting integrated digital PR and web communication builds

  4. 05

    Box UK

    boxuk.com

    Cardiff bespoke software and web application development agency.

    Mental Health & Therapy fit: Generalist studio with no published mental health & therapy specialism. Worth considering for broader builds; ask for comparable mental health & therapy website work first.

    PHPLaravelBespoke SoftwareWeb Apps

    Best for Cardiff and UK clients building complex bespoke PHP or Laravel web applications and platforms

How to choose a mental health & therapy web developer

Before you sign with any mental health & therapy web developer in Cardiff, check these points in the first call. Good teams answer them with live examples rather than promises.

  1. 01

    Practitioner-authored content with BACP/UKCP/APA registration numbers visible, Google's Quality Raters specifically check credentials on YMYL health pages

  2. 02

    HTTPS everywhere with no mixed content warnings

  3. 03

    Accessible colour contrast and font sizing (WCAG 2.1 AA minimum)

  4. 04

    Specialisation-specific pages

  5. 05

    Privacy-first booking

What a mental health & therapy website costs in Cardiff

Indicative ranges as of October 2026. Scope, platform and integrations move the price.

Business website

Cardiff market£5,000 – £20,000

Tecklogistfrom £799

3–6 weeks

E-commerce store

Cardiff market£10,000 – £45,000

Tecklogistfrom £1,499

4–10 weeks

Custom web app

Cardiff market£20,000 – £120,000

Tecklogistfrom £2,999

8–20 weeks

How we build your mental health & therapy website

  1. 01

    Discovery & brief

    Your goals, Cardiff competitors, audience and the integrations your site needs, mapped before any design starts.

  2. 02

    Design & prototype

    A clickable prototype you review on a real device before code, with mental health & therapy conventions built in.

  3. 03

    Build & integrate

    Built on the agreed platform, connected to your CRM, payments, booking or inventory, and tested across devices.

  4. 04

    Launch & support

    A go-live planned to protect your Cardiff rankings, then 30 days of fixes, updates and monitoring.

The mental health & therapy market in Cardiff

Cardiff businesses commissioning websites typically pay agency rates of GBP 200-GBP 550/day. For mental health & therapy projects, the agencies worth shortlisting are the ones that can show live mental health & therapy work, not just a generic portfolio.

BBC Wales' Cardiff Bay headquarters is home to the production teams behind Doctor Who, Sherlock, and Casualty – making Cardiff one of the UK's top-three television production centres. The BBC's Cardiff presence employs 1,200 people and has seeded a post-production, VFX, and interactive media cluster of 80+ companies in the adjacent Creative Quarter.

1,200
BBC Wales employees in Cardiff Bay – anchor of the Creative Quarter cluster
GBP 1.4bn
Welsh Government Digital Strategy investment programme
GBP 200-550/day
Cardiff agency day rate range

Mental Health & Therapy web development in Cardiff: FAQs

How much does a mental health & therapy website cost in Cardiff?+

In Cardiff, a business website typically costs £5,000 – £20,000, while a custom web app runs £20,000 – £120,000. Agency day rates of GBP 200-GBP 550/day are the main driver, followed by integrations and how much custom functionality you need. Tecklogist quotes mental health & therapy projects from from £799 at a fixed price.

How long does it take to build a mental health & therapy website?+

A business website usually takes 3–6 weeks; a custom web app takes 8–20 weeks. Delays almost always come from late content, unclear scope or third-party integrations, so agree those before work starts.

Which platform is best for mental health & therapy websites?+

The usual options are WordPress + end-to-end encrypted contact, Next.js + Sanity for group practices and Integrated booking: Calendly/Acuity/TheraPlatform. The right one depends on how often your team edits content, which systems the site must connect to and your budget, so be wary of any Cardiff agency that recommends the same platform for every client.

What should I ask a mental health & therapy web developer in Cardiff before hiring?+

Ask about practitioner-authored content with BACP/UKCP/APA registration numbers visible, Google's Quality Raters specifically check credentials on YMYL health pages; hTTPS everywhere with no mixed content warnings; accessible colour contrast and font sizing (WCAG 2.1 AA minimum). Then ask for two or three live mental health & therapy websites they built, who will actually work on yours, and what support looks like after launch.

Why is Tecklogist ranked first on this list?+

This list is published by Tecklogist, and we rank ourselves first because mental health & therapy websites are core work for us: fixed prices, fixed timelines and code you own. The other Cardiff agencies are ordered by the mental health & therapy evidence in their public profiles, and none of them pay to appear.

Ready to start your mental health & therapy project?

Send a short brief. We scope mental health & therapy projects for Cardiff businesses at a fixed price and timeline, and reply within one working day.