Mr.Giangiacomo Ollandini, Consultant Urologist & Andrologist in London
With a special interest in General Urology, Andrology, Infertility, and Sexual Medicine, Mr.Ollandini brings extensive expertise and compassionate care to each patient.
5 Stars
Rated by patients independently verified
I Feel
Urological symptoms can affect many aspects of daily life, from pain and discomfort to concerns about fertility or sexual health. This section helps you identify what you're experiencing and guides you toward relevant information, investigations, and treatment options.
Pick whatever feels closest — nothing here is a diagnosis, just a place to start.
I Need
If you know the next steps you want to take, please let us know what specific help or service you're looking for. We'll guide you to the right solution and connect you with the appropriate resources.
Choose what you’re looking for — explore freely, nothing here is a commitment.
What's new & what to use
Recently updated
- Article
ZyMōt sperm selection — should I use it?
A consultant urologist's honest evidence review: what ZyMōt microfluidic sperm sorting does, what it doesn't, and how to decide with your fertility clinic.
- Article
The best instrument for navigating recovery after surgery
You forget most of what a doctor tells you, and after surgery even less stays. Being told once is not the same as knowing what to do later — why I built Polaris and Compass for the moments that matter most.
- Guide
Sperm DNA Fragmentation Testing: What It Measures, and Whether It Should Change Anything
A London andrologist on sperm DNA fragmentation testing: what it measures, why laboratories disagree, and whether a result would change anything for you.
- Guide
Bladder Neck Obstruction: When a Tight or Scarred Bladder Neck Blocks Your Flow
A tight or scarred bladder neck can block urine flow. A London urologist explains the causes, tests, and how bladder neck incision (BNI) can help.
Common starting points
Direct routes to the questions patients most often bring to clinic.
- Updated
Erectile dysfunction
Understand what may be causing erection problems — from blood flow and hormones to anxiety, medication and heart health.
Phimosis & adult circumcision
Tight foreskin, tearing, BXO or considering circumcision? Start with clear options, not assumptions.
Male fertility & varicocele
Trying to conceive? Start with the male side: semen analysis, hormones, varicocele and treatable causes.
Vasectomy
Considering permanent contraception? Learn what no-scalpel vasectomy involves, recovery, testing and permanence.
Tools to help you decide
CIrcumcision Compass
Do you need a circumcision? This educational tool will not give you answers. It will guide you through possible potential options for you
Varicocele Sport Impact Index
Learn how different activities tend to differently affect varicocele-symptoms and fertility
Interactive Penile Doppler Report
A guided example of how a Penile Doppler US report looks like. And what does it mean
GGO Med Radical Transparency
Up-to-date page with statistics, prices, and important statement (including how I use AI)
WE PARTNER WITH THE TOP INSURANCE PROVIDERS
WHERE I PRACTISE
Mr.Giangiacomo Ollandini
MD, MSc, FRCS (Eng)
Mr. Ollandini is a Urologist in London with the GAS Team at Chelsea and Westminster Hospital NHS Foundation Trust, providing essential care to his patients. As the Andrology Lead for the Psychosexual Team at King's College Hospital, he blends medical expertise with an understanding of the psychological aspects of urological health, ensuring a holistic treatment approach. If you need an andrologist nearby, Mr. Ollandini is a reliable choice for comprehensive care.
15+
Years Experience
4
Languages Spoken
202
Remote Consultations in 2024
2000+
Surgical Operations
Accessible care across multiple locations in London, UK
APPOINTMENT REQUIRED BEFORE VISITING
Chelsea and Westminster Hospital Private Care
Nuffield Health Highgate Hospital
Harley Street Specialist Hospital
Online Consultation
Rated 5 Stars by patients, verified independently
Great experience; very professional, made me comfortable and gave good advice; highly recommended.
M.G., 12 Sep 2025
Verified review on 
Outstanding bedside manner and patient care; listened, explained clearly, and followed up.
E.L., 12 Aug 2025
Verified review on
Very nice and knowledgeable; explained my situation clearly; requested tests; highly recommend.
E.M., 29 Jul 2025
Verified review on
Excellent experience all round; friendly reception and nurses; highly recommend.
A.C., 29 Jul 2025
Verified review on
Professional and empathetic; treated my case with speed; wholeheartedly recommend.
T.R., 17 Jun 2025
Verified review on
Expert knowledge and skill; very happy with the treatment received.
L.B., 13 Jun 2025
Verified review on
Sensitive issue handled with care; excellent explanations; very reassuring.
W.W., 09 Jun 2025
Verified review on
Very professional, knowledgeable and attentive to my needs.
C.K., 25 Apr 2025
Verified review on
Very professional and attentive; received excellent care for varicocele surgery.
V.G., 22 Feb 2025
Verified review on
Excellent care for varicocele surgery at Chelsea & Westminster Hospital.
A.A., 19 Feb 2025
Verified review on
Holistic approach; considered what is important to me; provided options; listened and cared.
Verified Patient, 14 Aug 2025
Verified review on 
Excellent service; made me comfortable addressing a sensitive issue; gave amazing guidance and advice.
Verified Patient, 16 Jul 2025
Verified review on
Excellent, very professional and clear during the consultation; explained next steps.
Verified Patient, 10 Mar 2025
Verified review on
Professional, friendly and informative.
Verified Patient, 06 May 2025
Verified review on
Excellent service and care; kind and supportive; excellent surgery.
Verified Patient, 23 Apr 2024
Verified review on
Very knowledgeable; explained everything clearly and took time to go over possibilities; made me feel at ease.
Verified Patient, 28 Oct 2024
Verified review on
Wonderful urologist and andrologist; kind, approachable and comforting; clearly explained my condition.
Verified Patient, 19 Nov 2024
Verified review on
Detected infection when others failed; treated it successfully; best of the best; grateful.
Verified Patient, 14 Mar 2023
Verified review on
Warm and proactive; clinics on time; reassuring.
Anonymous, 26 Apr 2019
Review on iWantGreatCare
Thoroughly investigated low testosterone problem; caring and honest; looked after by entire staff.
Anonymous, 29 Aug 2017
Review on iWantGreatCare
Great experience; very professional, made me comfortable and gave good advice; highly recommended.
M.G., 12 Sep 2025
Verified review on
Outstanding bedside manner and patient care; listened, explained clearly, and followed up.
E.L., 12 Aug 2025
Verified review on
Very nice and knowledgeable; explained my situation clearly; requested tests; highly recommend.
E.M., 29 Jul 2025
Verified review on
Excellent experience all round; friendly reception and nurses; highly recommend.
A.C., 29 Jul 2025
Verified review on
Professional and empathetic; treated my case with speed; wholeheartedly recommend.
T.R., 17 Jun 2025
Verified review on
Expert knowledge and skill; very happy with the treatment received.
L.B., 13 Jun 2025
Verified review on
Sensitive issue handled with care; excellent explanations; very reassuring.
W.W., 09 Jun 2025
Verified review on
Very professional, knowledgeable and attentive to my needs.
C.K., 25 Apr 2025
Verified review on
Very professional and attentive; received excellent care for varicocele surgery.
V.G., 22 Feb 2025
Verified review on
Excellent care for varicocele surgery at Chelsea & Westminster Hospital.
A.A., 19 Feb 2025
Verified review on
Holistic approach; considered what is important to me; provided options; listened and cared.
Verified Patient, 14 Aug 2025
Verified review on
Excellent service; made me comfortable addressing a sensitive issue; gave amazing guidance and advice.
Verified Patient, 16 Jul 2025
Verified review on
Excellent, very professional and clear during the consultation; explained next steps.
Verified Patient, 10 Mar 2025
Verified review on
Professional, friendly and informative.
Verified Patient, 06 May 2025
Verified review on
Excellent service and care; kind and supportive; excellent surgery.
Verified Patient, 23 Apr 2024
Verified review on
Very knowledgeable; explained everything clearly and took time to go over possibilities; made me feel at ease.
Verified Patient, 28 Oct 2024
Verified review on
Wonderful urologist and andrologist; kind, approachable and comforting; clearly explained my condition.
Verified Patient, 19 Nov 2024
Verified review on
Detected infection when others failed; treated it successfully; best of the best; grateful.
Verified Patient, 14 Mar 2023
Verified review on
Warm and proactive; clinics on time; reassuring.
Anonymous, 26 Apr 2019
Review on iWantGreatCare
Thoroughly investigated low testosterone problem; caring and honest; looked after by entire staff.
Anonymous, 29 Aug 2017
Review on iWantGreatCare
Read all reviews on Top Doctors, Google Reviews, Doctify, and iWantGreatCare
04 Aug 2026
ZyMōt sperm selection — should I use it?
Twelve years ago I was told varicocele had nothing to do with infertility. The guidance changed because someone kept asking questions. Here's why I'm applying the same patience to ZyMōt — what the evidence on microfluidic sperm selection actually shows, and doesn't.
06 Jul 2026
The best instrument for navigating recovery after surgery
Even I forget most of what my own doctor tells me — and after surgery, sore and worried, even less stays. Being told once is not the same as knowing what to do later. Here is why I built Polaris and Compass.
27 Feb 2026
TRT and Fertility
PIF TICK accredited information
The Patient Information Forum is the UK membership organisation and network for people working in health information and support. The PIF TICK is the UK-wide Quality Mark for Health Information.
Please note: When the PIF TICK banner is present, it means the content has met all the strict criteria and undergone the formal scrutiny and monitoring required for the UK's PIF TICK Quality Mark. For content where the banner is not displayed, we still apply our internal, high-quality standards. Therefore, you can rely on the information as accurate and trustworthy, even without the formal PIF TICK accreditation.
On AI use: AI assists with literature scanning, readability and compliance checks, and prose drafting. Final clinical decisions and content sign-off remain with the consultant. How I use AI.
Latest Videos
Latest videos from my UroTube by Mr Ollandini YouTube Channel. Click to watch
