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Trusted by 1,200+ Families Worldwide

Your Child Deserves a Tutor Who Actually Teaches

Specialist one-to-one online tutoring for GCSE, A-Level, Cambridge IGCSE, IB and Undergraduate students. Real tutors. Real results. No gimmicks.

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1-to-1 Sessions
GCSE to Undergraduate
Cambridge IGCSE
AP (US) Students
Free Trial Session
Google Meet

The problem isn't that your child doesn't understand. It's that nobody has explained it the right way yet.

Subjects We Specialise In

Every tutor is a subject specialist — not a generalist who teaches everything.

Mathematics

GCSE · A-Level · Cambridge IGCSE · IB · Undergraduate

Physics

GCSE · A-Level · Cambridge IGCSE · IB · Undergraduate

Biology, Botany & Zoology

GCSE · A-Level · Cambridge IGCSE · IB · Undergraduate

English Language & Literature

GCSE · A-Level · Cambridge IGCSE · IB · Undergraduate

Computer Science

GCSE · A-Level · Cambridge IGCSE · IB · Undergraduate

Statistics

GCSE · A-Level · IB · Undergraduate

Exam Boards We Teach

AQAOCREdexcelCambridge IGCSEIBAP
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Meet Your Tutors

Every tutor is hand-picked, rigorously vetted, and passionate about their subject.

ST
Our Biology Specialist
Biology, Botany & Zoology

Holds a PhD in Botany and brings 6+ years of dedicated tutoring experience across Biology, Botany, and Zoology. Known for making complex biological concepts intuitive and exam-ready — whether it's cell biology, ecology, or plant physiology. Builds deep understanding, not just surface-level revision.

GCSEA-LevelIB HL & SLCambridge IGCSE
ST
Our Maths Specialist
Mathematics & Statistics

Holds an MSc in Applied Mathematics with 6+ years of tutoring experience across GCSE, A-Level, IB, and undergraduate-level Maths. Specialises in breaking down abstract concepts into clear, logical steps — from calculus and algebra to probability and statistical inference. Equally comfortable with Further Maths and university modules.

GCSEA-Level Further MathsIB Maths AA/AIStatisticsUndergraduate
PT
Our Physics Specialist
Physics

A dedicated Physics tutor with 6+ years of experience helping students master mechanics, electricity, waves, and modern physics. Turns abstract theory into clear, visual explanations that stick.

GCSEA-LevelCambridge IGCSEIB
CT
Our Computer Science Specialist
Computer Science & Statistics

Specialist in Computer Science and Statistics with 6+ years of tutoring experience. Covers programming, algorithms, data structures, and statistical methods with clarity and real-world context.

GCSEA-LevelCambridge IGCSEIBAP
ET
Our English Specialist
English Language & Literature

An English Language and Literature specialist with 6+ years of experience. Helps students craft compelling essays, sharpen analytical skills, and master exam technique across all major boards.

GCSEA-LevelCambridge IGCSEIB
"The best investment you can make is in your child's education. Everything else follows."
— Sigma Tutorials

Sigma Tutorials is right for you if...

This is for you

Your child understands the content but can't translate it into exam marks
You want a specialist — not a graduate who studied this subject a few years ago
Your child's exams are approaching and you want real, measurable improvement
You're in the UK, UAE, Saudi Arabia, or anywhere with an internet connection
You value depth of understanding over surface-level revision
You want a tutor who treats your child as an individual, not a booking slot
You're ready to commit to at least 4-6 sessions to see meaningful progress

This may not be right for you

You're looking for last-minute cramming with no long-term approach
You want a tutor to simply complete homework for your child
You need a tutor for a highly specialised niche we don't cover
You're not able to commit to a regular weekly session

If you're in the left column, your child's next step is a free 30-minute session.

Book Free Trial on WhatsApp

How It Works

Three simple steps to better grades. No contracts, no commitments.

1

Book a Free Trial

Message us on WhatsApp with your child's subject, level, and goals. We'll match them with the perfect specialist tutor within 24 hours.

2

Meet Your Tutor

Your child has a free 30-minute session on Google Meet. No obligation. If it's not the right fit, we'll find another tutor — no questions asked.

3

Watch Grades Improve

Weekly sessions tailored to your child's exam board, weak areas, and learning style. Session notes sent after every lesson. Progress you can see.

Google Meet
Shared Whiteboard
Session Notes Sent After
Private & Secure
Flexible Scheduling

Simple, Transparent Pricing

No hidden fees. No contracts. Pay per session. Cancel anytime.

GCSE
£18/hr
per session
  • 1-to-1 specialist tutor
  • Exam board focused
  • Session notes included
  • WhatsApp support
Book Trial
Most Popular
A-Level
£25/hr
per session
  • 1-to-1 specialist tutor
  • Exam board focused
  • Session notes included
  • Priority scheduling
  • WhatsApp support
Book Trial
IB
£30/hr
per session
  • 1-to-1 IB specialist
  • IA & EE support
  • Session notes included
  • WhatsApp support
Book Trial
Undergraduate
£35/hr
per session
  • 1-to-1 university tutor
  • Essay & coursework help
  • Session notes included
  • WhatsApp support
Book Trial

What Parents Say

Don't take our word for it — hear from families who've seen the difference.

★★★★★

"My son went from a 5 to an 8 in Maths in just 12 weeks. The tutor understood exactly where the gaps were and filled them methodically. Worth every penny."

Sarah T.
Parent — GCSE Maths, London
★★★★★

"We tried three other tutoring services before Sigma. The difference is night and day. Our daughter actually looks forward to her Chemistry sessions now."

Ahmed R.
Parent — A-Level Chemistry, Dubai
★★★★★

"The IB can be overwhelming, but Fatima broke everything down so clearly. My son's predicted grade went from a 4 to a 6 in Biology. Incredible support."

Maria L.
Parent — IB Biology, Riyadh
★★★★★

"What I love most is the session notes. After every lesson, I know exactly what was covered and what my daughter needs to practise. No other service does this."

Priya K.
Parent — GCSE English, Birmingham
★★★★★

"James helped my son understand Physics in a way his school teacher never could. The visual explanations on the whiteboard made everything click."

David W.
Parent — A-Level Physics, Manchester
★★★★★

"We're based in Saudi Arabia and finding quality English-speaking tutors was impossible locally. Sigma solved that problem completely. Flexible times too."

Fatimah A.
Parent — Cambridge IGCSE, Jeddah

Questions Parents Ask Before Booking

How is online tutoring as effective as in-person?

All sessions take place on Google Meet with screen sharing, interactive whiteboards, and real-time collaboration. Your child can see the tutor's working, annotate together, and ask questions naturally — just like sitting next to them. Sessions can also be recorded so your child can watch them back for revision. Many parents tell us online sessions are actually more focused because there are fewer distractions.
It's never too late to make a difference. Even 4-6 focused sessions can significantly improve exam technique, time management, and confidence. Our tutors prioritise high-impact topics and past paper practice to maximise grade improvement in a short window. We've seen students jump two grades in under a month with the right approach.
The first session is always a free trial — no obligation whatsoever. If your child doesn't click with the tutor, we'll match them with someone else at no cost. The right tutor-student relationship is everything, and we won't rest until we find the perfect fit.
Yes. All sessions are conducted via Google Meet and can be recorded with your permission. Your child can rewatch any part of the lesson for revision. On top of that, detailed session notes are sent within 24 hours of every lesson, summarising what was covered, what went well, and what to focus on next.
Every tutor is trained on the specific exam board your child follows — whether that's AQA, OCR, Edexcel, Cambridge IGCSE, or IB. We tailor every session to the exact specification, mark schemes, and command words your child will face in their exam. No generic teaching here.
We ask for at least 24 hours' notice if you need to cancel or reschedule a session. Cancellations with less than 24 hours' notice will incur a 50% charge. We understand things come up — life happens — but this policy ensures our tutors' time is respected and your child's learning stays on track.
Absolutely. Many of our families book sessions across multiple subjects. Each subject is taught by a dedicated specialist tutor — so your child gets the best possible support in every area. We'll coordinate scheduling to make it as seamless as possible for your family.
Absolutely — especially for the trial session. We encourage parents to sit in and see exactly how we work. Transparency is important to us. After the first few sessions, most parents are happy to let their child work independently, but you're always welcome to join.

Exam Season Is Approaching

Tutor availability is limited. Secure your child's spot before sessions fill up.

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Free Study Guide

Download our exam preparation guide — packed with tips from our tutors. No email required.

The Sigma Study Playbook

A practical guide covering revision timetables, exam technique, memory strategies, and subject-specific tips from our team of specialist tutors.

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Your Child's Breakthrough Starts Here

One conversation on WhatsApp. One free trial session. That's all it takes to see the difference a specialist tutor makes.

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