Home-Based Support
Working directly with families in their home environment to develop practical strategies that promote positive behaviour and improve daily routines.
Evidence-Based Support for Families & Schools
Empowering Positive Change Through Evidence-Based Practice
Compassionate, collaborative and ethical behavioural consultancy across Berkshire and South East England.
Board Certified Behaviour Analyst (BCBA)
UK Society for Behaviour Analysis – UKBA(cert)
Collaborative, Ethical & Compassionate Practice
Home, School & Community Settings
Meet Your Consultant
Leticia Costa Tomsik, MSc, UKBA(cert), BCBA
Behaviour Analyst & Consultant
"Empowering positive change through evidence-based practice."
As a Board Certified Behavior Analyst (BCBA) and a member of the UK Society for Behaviour Analysis – UKBA(cert), Leticia brings a wealth of experience to her work with families and schools.
Her Applied Behavior Analysis (ABA) career began as a tutor, working directly with individuals in school and home environments. This hands-on experience ignited her passion for the field and inspired her to pursue a career as a consultant.
Leticia works within a local authority, collaborating closely with social workers and therapists to provide holistic support to families navigating various challenges. She is committed to providing compassionate, collaborative, and ethical services.
LinkedIn ProfileWhat We Offer
Specialist Behavioural Consultancy
Tailored, evidence-based support that makes a real difference for children, families, and the professionals who work with them.
School Consultation
Collaborating with educators and teaching assistants to design and implement effective behaviour support plans tailored to each child's needs.
Family Coaching & Training
Empowering parents and carers with knowledge, skills, and confidence through structured coaching and ABA-based training programmes.
Behaviour Assessment
Comprehensive functional behaviour assessments to understand the root causes of challenging behaviour and develop informed, effective intervention plans.
Multi-Agency Collaboration
Working alongside social workers, therapists, and local authority professionals to deliver holistic, joined-up support for families with complex needs.
Skill Building & Development
Designing structured skill-building programmes to help children develop communication, social, and independent living skills using evidence-based ABA strategies.
Our Approach
Why Applied Behaviour Analysis?
Applied Behaviour Analysis (ABA) is one of the most thoroughly researched and evidence-based approaches to understanding and changing behaviour. It focuses on observable, measurable behaviours and uses scientifically proven techniques to bring about meaningful, positive, and lasting change.
- Grounded in decades of scientific research
- Individualised to each child's unique needs
- Focuses on meaningful, lasting outcomes
- Positive, compassionate and ethical framework
- Involves family, school and wider community
Where We Work
Serving Berkshire & South East England
We provide in-person support across a wide area, bringing expert behavioural consultancy directly to your home, school, or community.
- Bracknell
- Wokingham
- Crowthorne
- Owlsmoor
- Finchampstead
- Maidenhead
- Windsor
- Ascot
- Sunningdale
- Bagshot
- Camberley
- Farnborough
- Frimley
- Aldershot
Not sure if we cover your area? Get in touch – we'd love to help.
Questions & Answers
Frequently Asked Questions
Everything you need to know about our services, approach, and how we can help.
What is Applied Behaviour Analysis (ABA)?
Applied Behaviour Analysis is an evidence-based approach to understanding and improving behaviour. It focuses on observable, measurable behaviours and uses scientifically validated strategies to create meaningful, lasting change. Berkshire Behaviour Consultancy uses ABA to support children and families in home, school, and community settings.
Who can Berkshire Behaviour Consultancy help?
We support children and their families, as well as schools and the professionals who work with them — parents and carers seeking practical strategies, educators and teaching assistants implementing behaviour plans, and multi-agency teams supporting families with complex needs.
Which areas do you cover?
We provide in-person support across Berkshire and South East England, including Bracknell, Wokingham, Crowthorne, Owlsmoor, Finchampstead, Maidenhead, Windsor, Ascot, Sunningdale, Bagshot, Camberley, Farnborough, Frimley, and Aldershot. If your area isn't listed, please get in touch.
Is the initial consultation free?
Yes. We offer a 15-minute free initial online consultation so you can discuss your situation, ask questions, and understand how we can help before committing to any support. The initial sessions are only available virtually via a video call. Please book on the website via the booking form.
What qualifications does your consultant have?
Services are led by Leticia Costa Tomsik, MSc, a Board Certified Behaviour Analyst (BCBA) and a certified member of the UK Society for Behaviour Analysis (UKBA(cert)), listed on the Professional Standards Authority Accredited Register.
Where do sessions take place?
Support is delivered wherever it is most effective for the child and family — in your home, at school, in community settings, or online. Please note that the free 15-minute sessions are only available virtually via a video call.
What services do you offer?
We offer home-based support, school consultation, family coaching and training, functional behaviour assessment, multi-agency collaboration, and structured skill-building programmes — all tailored to each child's individual needs.
How does the process work?
Our approach follows four stages: assess, plan, implement, and review. We start with a functional behaviour assessment to understand the causes of challenging behaviour, develop an individualised plan, put evidence-based strategies into practice, and review progress to ensure meaningful, lasting outcomes.
How do I get started?
You can book a free initial 15-minute consultation through the website or email leticia@berkshirebehaviourconsultancy.com, and we'll arrange a convenient time to talk about how we can help.
Consultation
Book
Choose a time that suits you for a free initial consultation or follow-up session.
Let's Talk
Get in Touch
Whether you have a question, want to understand how we can help, or are ready to book a free initial consultation – we'd love to hear from you.
