Smileie
Dental exam · In-person and remote check-ins
- Price
- £1,599 to £2,899
- Assessment
- Online screening, then clinic exam
Notable. Two retainer sets included
Compare clear aligners with confidence
Compare prices, treatment options and ongoing support from clear aligner providers in the UK to find one that fits your preferences.
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Smile Perfect
Home kit or scan · Remote check-ins
- Price
- £849 to £1,299
- Assessment
- Home impressions or clinic scan
Notable. One retainer set included
Invisalign
Dental exam · In-person check-ups
- Price
- £2,000 to £4,100
- Assessment
- Clinic scan
Notable. Price set by treating practice
Impress
Dental exam · In-person and remote check-ins
- Price
- £1,990 to £3,990
- Assessment
- Clinic visit
Notable. Invisalign in clinic
Smile White
Dental exam · In-person check-ups
- Price
- £1,995 to £3,695
- Assessment
- In-person dental check
Notable. One retainer set included
Featured brand
A closer look at Smileie.
Explore Smileie’s pricing, treatment process and ongoing care.
Your smile, a clearer choice
Find out what matters, explore your options and take the next step with confidence.
Start with you
Tell us how you’d prefer to begin. We’ll help you narrow down your options.
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See what makes the difference
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Guides
Know what to ask
Costs, treatment, cleaning, and what to expect after the aligners come off.
Guides worth reading
Practical guides to costs, treatment and aftercare.
Getting started
What clear aligners cost in the UK
What clear aligners cost in the UK in October 2026: provider prices from about £650 to £3,695, what is included, finance totals, retainers, and NHS eligibility.
Read guideCare
How to clean clear aligners in the UK
How to clean clear aligners in the UK: a six-step daily routine, soap, brushing and tablets compared, cleaning away from home, and fixes for smell, stains, cloudiness and damaged trays.
Read guideDuring treatment
Mistakes that affect clear aligner treatment in the UK
Mistakes that affect clear aligner treatment in the UK: what each does, what to do now, a one-off slip versus a pattern, a realistic 22-hour day and a simple check-in routine.
Read guideDuring treatment
When clear aligner treatment goes wrong
Aligner problems sorted by urgency: tracking, lost trays, pain, gums, loose teeth and roots, what photos to send, out-of-hours routes and how to complain in the UK.
Read guideGetting started
What clear aligners can and cannot treat
What clear aligners can and cannot treat: crowding, gaps, overbite, overjet, underbite, crossbite, open bite and rotations, with UK guidance on the NHS, examination and limits.
Read guideComparison
Invisalign and at-home aligners in the UK
Invisalign vs at-home aligners in the UK: a side-by-side comparison of examination, attachments, check-ins, refinements, retainers and price, and which suits which situation.
Read guideCare
Care after clear aligners
Care after clear aligners in the UK: retainer types compared, a handover checklist, published replacement costs, and what to do if a retainer is lost, cracked or no longer fits.
Read guideDuring treatment
Are clear aligners painful?
Are clear aligners painful? What a new tray feels like, how to ease soreness, one sore tooth, sensitivity, rubbing edges, braces compared, and when to get help.
Read guideDuring treatment
Dental impressions at home
How to make dental impressions at home: preparation checklist, two UK kits compared, step-by-step moulding, gag tips and what a usable impression looks like.
Read guideGetting started
How long clear aligner treatment takes in the UK
Quickest way to straighten teeth in the UK: Inman aligners, clear aligners and braces compared by typical length, what each treats, what slows treatment and deadline planning.
Read guideGetting started
How at-home aligner treatment works in the UK
How at-home aligner treatment works in the UK: an eight-stage journey with who acts and what to check, why a scan is not an examination, and a first-week checklist.
Read guideComparison
What an Inman aligner is
What an Inman aligner is: how it compares with clear aligners and braces, UK practice fees from £1,350, appointments, speech, cleaning and retainers.
Read guideComparison
Ways to straighten teeth
Ways to straighten teeth in the UK compared: metal, ceramic and lingual braces, clear aligners, Inman aligners, bonding and veneers, with scope, length and example fees.
Read guideCare
Whitening your teeth at home
Teeth whitening at home in the UK: dentist-prescribed trays vs in-practice and retail options, practice fees from about £300, sensitivity, the law, and aligner timing.
Read guideComparison
At-home aligners in the UK
UK at-home aligner providers compared on 22 October 2026: route, records, in-person exam, monitoring, published price, refinements and retainers, plus closed brands.
Read guideGetting started
Is it worth straightening your teeth?
Is it worth straightening your teeth? What the evidence shows on confidence and oral health, a decision worksheet, illustrative scenarios and a full UK cost example.
Read guideCommon questions
Clear aligners are removable, transparent trays used to straighten teeth. Wear schedules and plans vary by provider. A qualified dental professional must confirm whether treatment is suitable for you.
More questions and answers
Ready when you are
Compare providers side by side, or answer a few preference questions to see a shortlist.
Our shortlist
Clear aligners.
Clearly compared.
Explore our picks for different budgets and care preferences.
Cost guide
The full cost.
Before you commit.
Treatment, retainers and extras.
Know what to budget for.
