Dr Mariam's Team · Since 2014
OET Writing Correction.
Grade B in 24 hours.
Submit your OET letter. Dr Mariam's team marks it against all 6 criteria and returns detailed, actionable feedback within your chosen turnaround. From $15.
11,000+
letters marked
90+
countries
24h
fastest turnaround
2014
operating since
Dr Mariam
PhD English · 20+ years OET teaching
What you get with every letter
Per-criterion feedback
Comments on all 6 OET criteria — Purpose, Content, Conciseness & Clarity, Genre & Style, Organisation & Layout, Language.
Estimated grade
An honest estimate of your grade (A, B or C) on the six OET criteria. No inflated grades.
24h, 48h or 72h
Choose your turnaround at checkout. The 24h option is available on every pack. Most returns come before the deadline.
Rewrite suggestions
Specific sentence-level rewrites for the lines that cost you marks. Not just "improve this" — concrete alternatives.
12 professions covered
Nurses, doctors, pharmacists, physios, dentists, dietitians, OTs, optometrists, podiatrists, radiographers, speech pathologists, vets.
A teacher on every letter
Every letter is corrected by Dr Mariam's team on our marking system. Your teacher checks every mark and comment before it comes back. The same team since 2014.
OET Writing Packs
One letter or ten — pick the pack that fits where you are in your prep.
Single Letter
From $15
Try it once before committing to a pack.
See detailsMost popular
Development Pack
From $40
5 letters. The standard arc from first attempt to Grade B.
See detailsMastery Pack
From $55
8 letters. Best value per letter for intensive prep.
See detailsMega Pack
From $65
10 letters. For candidates close to the exam who want every letter reviewed.
See detailsHealthcare professionals who passed with our help
Six messages students sent us on WhatsApp after their results.
"I passed the OET with the exact score you predicted. Thank you so much for the support!"
Mohamed
Doctor
"Thank you for your last-minute help — I passed with the same writing score you predicted. I'll always be grateful!"
Heidi
Medicine
"It was my first OET attempt and I passed! Your support was excellent. Highly recommended service."
Hossam Abdella
Doctor
"I scored 370 in writing, exactly the same as your correction. Thank you so much for everything!"
Heba
Doctor · 370 in Writing
"Thanks a lot — your correction was incredibly helpful and helped me pass the OET."
Mina
Medicine
"Thanks for your professional and caring follow-up. I passed with your help and really appreciate the support."
Hassan
Doctor
Courses from the same team
Or check a letter free first- OET Writing Pass Course $35 14 lessons for your profession, by email. Every letter marked on the six criteria in about a minute; add teacher corrections if you want them. See the course
- The OET Detective Challenge $20 15 days to find out why you keep losing marks, for candidates who missed Grade B. See the course
- OET All-Skills Bundle $59 Every course, book and mock test for Writing, Speaking, Reading and Listening, for your profession, for three months. See the course
Common questions
How quickly do I get my corrected letter back? +
You choose at checkout: 24-hour, 48-hour, or 72-hour turnaround. The 24-hour option is available on all OET writing packs. Most letters are returned ahead of the deadline.
Who corrects my OET letter? +
Dr Mariam's team. Dr Mariam holds a PhD in English and has been teaching OET writing since 2017. Her team has marked over 11,000 letters. Every letter is corrected by her team, and your teacher checks every mark and comment before it comes back.
What does the feedback cover? +
All 6 official OET writing criteria: Purpose, Content, Conciseness and Clarity, Genre and Style, Organisation and Layout, and Language. You receive per-criterion comments, an estimated grade, and specific rewrite suggestions.
How many letters do I need to reach Grade B? +
Most candidates who start at Grade C reach Grade B within 4 to 8 corrected practice letters, depending on how consistently they act on the feedback. The Development Pack (5 letters) is designed exactly for this arc.
Ready to get your letter corrected?
Choose your pack, submit your letter, receive per-criterion feedback from Dr Mariam's team within 24 hours.
Sitting IELTS instead? IELTS writing correction