bandwise.

ABOUT BANDWISE

Every student deserves an examiner’s feedback. Every teacher deserves their evenings back.

Bandwise is the AI marking studio for English exam teachers and schools. It drafts scores and feedback on each exam’s official criteria, quoting the student’s own work, and the teacher reviews them before students see them.

2 schoolsOur own language schools in Greece, the first since 2003
10 examsIELTS, Cambridge, Michigan and General English
EUWhere student work is stored
NeverIs student work used to train AI

OUR STORY

Why we started Bandwise

Panagiotis runs two language schools in Greece: the family school, open since 2003, and a second opened in 2012. Foteini taught Greek and ran the front desk at both for six years. Every week looked the same: piles of essays, each to be marked against detailed criteria, and students waiting days to hear how they did, often getting back a single number. Speaking is harder still: a test is over in minutes, and weighing every criterion while it happens asks a lot of even an experienced examiner.

Good feedback is specific. It says which criterion held the score back, where in the essay, and what to do next. Writing that for every student, every week, is more than any teacher has time for.

So we built the tool we wished we had. Bandwise does the slow first draft, on the exam’s own criteria and quoting the student’s work, and marks speaking from the recording, criterion by criterion. The teacher reads it, changes what they disagree with and signs it off. The judgement stays with the teacher; the hours don’t.

Panagiotis & FoteiniCo-founders, Bandwise

WHAT WE HOLD TO

Four principles behind every score

  1. 01

    The teacher signs off

    Bandwise drafts; teachers decide. Scores stay drafts until a teacher reviews them, and the AI’s first estimate stays visible beside the teacher’s.

  2. 02

    The exam’s own criteria

    Each exam is marked on its official band descriptors or rating scales, with evidence quoted from the student’s work and a next step for each criterion.

  3. 03

    Honest about accuracy

    We publish what the AI does, where it goes wrong and what we have and haven’t validated, so teachers know when to look twice.

    How Bandwise AI works
  4. 04

    Student work stays private

    Stored in the EU, never used to train AI models, and covered by a data processing agreement for schools.

    Data Processing Agreement

THE TEAM

The people behind Bandwise

Panagiotis Chatzigiannakis

Panagiotis Chatzigiannakis

Co-founder & CEO

Leads product and engineering. Runs two language schools in Greece: the family school, open since 2003, and a second opened in 2012. Has taught English and computing since 2012 and built the schools’ own learning platforms.

  • MA, Computing in EducationKing’s College London
  • Honours bachelor’s degree, Information Technology, cum laudeDeree – The American College of Greece
LinkedIn profile
Foteini Chatzopoulou

Foteini Chatzopoulou

Co-founder & Head of Marketing

Leads brand and marketing, and runs her own marketing agency in Greece. Taught Greek and managed the front desk at both schools from 2015 to 2021, so knows how a language school runs from the inside.

  • Master’s diploma, Human ResourcesIn progress
  • Professional Diploma in Digital & Social Media Marketing, 97.83%Knowcrunch
  • Bachelor’s degree, Marketing ManagementQueen Margaret University
LinkedIn profile

THE STORY SO FAR

From two language schools to Bandwise

  1. 2003

    The family language school opens in Greece.

  2. 2012

    Panagiotis opens a second school, and starts teaching English and computing and building the two schools’ own learning platforms.

  3. 2015

    Foteini joins both schools, teaching Greek and running the front desk until 2021.

  4. Sep 2026

    Bandwise starts as an IELTS marking tool.

  5. Oct 2026

    Cambridge English, from A2 Key to C2 Proficiency, and the Michigan ECCE and ECPE join IELTS.

  6. Nov 2026

    Moodle integration is built, so a school’s courses and assignments can come straight into Bandwise.

  7. Next

    Public launch, with plans for teachers and for schools.

THE COMPANY

Company details

Name
Bandwise
Founders
Panagiotis Chatzigiannakis and Foteini Chatzopoulou
Operated by
Panagiotis Chatzigiannakis
Based in
Greece

See what Bandwise does with your students’ work

Try it with your own class, or talk to us about your school.