Get medical certificates, doctor’s letters, referrals and more issued by our UK-registered doctors from the comfort of your home with our online service.
No Appointments Needed. 0% Hassle. Guaranteed Same-Day Service.
Find the medical letter you need with Merlin Health.
Same-day sick note for work, university, or personal circumstances — written and signed by a UK doctor.
Get a same-day doctor’s letter confirming you’re unfit to travel — accepted by airlines and insurers.
Same-day medical letter to support your emotional support animal — signed and fully verifiable.
Same-day certificate confirming you’re fit to fly during pregnancy — accepted by airlines worldwide.
Medical certificate confirming exemption from the Yellow Fever vaccine, issued by a UK doctor.
Medical letter confirming recovery from chickenpox, accepted by airlines for safe travel.
Doctor’s letter explaining how your health is affected by your housing – supporting council and housing applications.
Doctor’s letter confirming how your medical condition affects your mobility, supporting Blue Badge applications.
At Merlin Health, we make it simple to get the medical letters and certificates you need — without the stress of waiting weeks for a GP appointment. Our team of UK doctors, all GMC registered and NHS experienced, are here to help you quickly and without hassle, giving you one less thing to worry about.
Whether it’s a note for work, proof for travel, or extra support for your studies, we’ve got you covered. Everything is done online, meaning you can sort it from home, on your sofa, with no fuss.
Here are some of the certificates people come to us for:
Your peace of mind matters to us. We know being asked for a doctor’s note can feel like another headache — that’s why we’ve made the whole process quick, easy and stress-free, with a trusted team of UK doctors handling everything for you.
Getting a medical certificate in the UK with Merlin Health is quick, simple and completely online. Here’s how it works:
Tell us what you need by filling out a short form. It only takes a few minutes, and you’ll get a confirmation email straight away.
One of our UK GMC & NHS-registered doctors will carefully check your details and prepare your medical certificate.
We’ll send your certificate directly to your inbox as a signed PDF — complete with a unique QR code for verification, so it’s accepted by employers, universities, airlines, insurers and others.
We provide a wide range of certificates, including:
Sick notes for work, school or university
Fit-to-fly certificates (including pregnancy travel letters)
Unfit-to-travel letters for airlines and insurers
Emotional support animal (ESA) letters
Medical support letters for ADHD, autism, or reasonable adjustments
All certificates are sent to your email inbox the same day you apply, usually within just a few hours.
Yes. Our certificates are recognised both in the UK and internationally. They are commonly accepted by employers, universities, airlines and travel insurers. Each certificate is signed by a GMC-registered doctor and includes a unique QR code for instant verification.
No appointment is needed. Simply complete our short online form and our doctors will review your request. In some cases, if extra details are required, a doctor may contact you directly.
Your certificate will be sent directly to your email inbox as a signed PDF. Every document includes a QR code for verification, so employers, universities, and airlines can confirm authenticity instantly.
Yes. All our doctors are fully UK GMC-registered. They are qualified to issue medical certificates that meet both UK and international standards.
Yes. Our certificates are accepted by UK employers, schools and universities, including for sick leave, extenuating circumstances, and exam support.
Yes. Our fit-to-fly and unfit-to-travel letters are accepted by major airlines and travel insurers. They are written and signed by a UK doctor and include a QR code for verification.
Yes. We provide certificates to customers worldwide. As long as you can complete our online form in English, our doctors can review your request and issue a certificate that is valid internationally.
We typically ask you to upload a form of ID (such as a passport or driving licence) to confirm your details before issuing the letter. This ensures your document is genuine and trusted.
Not usually. Most certificates can be issued based on the online form alone. If a doctor requires more information, they may reach out by email, phone, or video call to confirm details.
Every certificate from Merlin Health is:
Signed by a GMC-registered doctor
Delivered as a secure PDF
Stamped with a unique QR code for instant verification
If our doctors are unable to issue your certificate, you’ll receive a full refund — no questions asked. If your certificate needs adjusting to meet a specific requirement, we’ll work with you to fix it at no extra cost.
Our team of UK GMC-registered doctors have spent years working in the NHS, with over 50 years’ experience between us. We know people just want a simple, trusted way to get a doctor’s note — and that’s exactly what we provide.