400 Communications Ltd
57 Hatton Garden, London

EC1N 8HP (Map)

+44 (0)20 7404 1114



We’re an established branding and communications consultancy that combines small agency focus with big agency thinking to provide a complete range of creative services to clients in a wide range of sectors.

What we do

Our work is the result of rigorous insight into our clients’ organisations, their sectors, aims and ambitions, built on a solid foundation of knowledge and understanding.

 We’re an intelligent and creative team dedicated to delivering strategic creative solutions that are engaging, have impact and deliver results.

We work collaboratively and are often considered by our clients to be an extension of their marketing and communications team. Whether developing a new brand or a suite of marketing and communications materials, we always deliver compelling solutions that are supported by solid research and strategy to help your brand fulfil its potential.


  • Bid Documents
  • Branding and Identity
  • Brochures and Print comms
  • Campaigns
  • Digital
  • Environmental graphics
  • Exhibitions and Events
  • Multi-language
  • Reports


  • Arts
  • Construction and Housing
  • Education
  • Healthcare
  • Media and Technology
  • Professional Services
  • Public Sector and Not-for-profit
  • Restaurants and Hospitality
  • Sports and Leisure


Paul Dennis

Managing Director

Paul has 20 years experience in the design industry working as Designer, Creative Director and Managing Director. In this time he has helped international organisations in both public and private sectors achieve their potential by delivering highly effective creative solutions, and has seen 400 become recognised as one of London’s leading design consultancies.

Abbie Holloway

Design Director

Abbie has over 15 years experience delivering creative solutions across a range of disciplines including branding, reports, corporate communications, events and exhibitions. She is responsible for a varied portfolio of work for clients across public and private sectors and is adept at working through the whole project life cycle, from briefing and strategy to development and execution. She is also a disciplined project manager with extensive production knowledge.

Leo Sudea

Account Director

Leo works closely with client teams and develops a thorough understanding of their communication needs, helping them to develop and implement effective design, print and digital solutions that deliver results.

He has managed major accounts for clients such as the BBC, British Council, Collect+, Digital UK, Guardian & Observer, London Metropolitan Police, National Trust, UNEP and UNICEF.


Our clients are all market leaders facing brand challenges, who share our passion, ambition and drive and are looking for an insightful and collaborative partnership. They are goal-orientated, dynamic and trust us to work alongside them on their most precious assets.

“400 have been very professional in the development of our new website that engages with working professionals, interested parties as well as the children and young people we work to serve.”

Yolanda Nunes Correira, Chief, Communication, Advocacy, Participation and Partnership, UNICEF Mozambique

“For over 15 years 400 have provided Royal Mail with outstanding support in design and brand management. Their approach is refreshing and they deliver effective design solutions.”

Dick Keeling, Head of Exhibitions and Events, Royal Mail.

“Their solutions have been intelligent, finely-tuned to our needs and across all applications have exceeded our expectations.”

Andrew Tyler, COO, RBB Economics.

“400’s approach has been highly creative and collaborative. The resulting Brand idea very naturally manifests itself across all touch points of our business without the need for constant ‘shoehorning’ – something which in my experience is very rare.”

Catherine Woolfe, Marketing Director, Collect+

“400 are a delight to work with. They are brilliant people who translate strategy into smart, captivating creative. They have a great process which delivers every time.”

Catherine Green, Marketing & Communications Director, Mace.

“During our recent visual identity refresh project and the development of a new web site, 400’s creative concepts were second to none and their adherence to deadlines and commercial considerations has been faultless.”

Gary Browning, CEO, Penna.