This is a Brentwood-based company offering advice, assessments and support for children and adults who have dyslexia and/or reading difficulties.

Their assessor conducts dyslexia screening tests for children aged 6 years 6 months upwards, including adults.

Cellfield offers full dyslexia diagnostic assessments and produces reports for schools and universities.

In addition, they have the Cellfield reading treatment programme, which they claim has produced amazing improvements in reading and comprehension scores for both children and adults after just 10 days in the Centre.