Office Design & Space Planning

Hertfordshire, London & UK

Office concept design to on-site build your 'all in' office design service provider

SEC understand that coordinating all aspects of your office design and build project can be time consuming, confusing & a distraction from the day to day running of your business. That's why we design office workspaces, supply interior office solutions and build better working office environments.

Whether you need a modern office layout, additional office space for a growing workforce or contemporary office design, we have the expertise, experience and resources to fulfil your requirements. 

Office design and space planning services
Turnkey office design and solutions provider

As a turn key office design and build solution provider we offer total project management and take care of all aspects of your commercial or office design project:


  • Initial concept, modern office design & space plan drawings
  • Advice and management of client obligations & compliance to planning, building Control, CDM & DDA/Equality
  • Product specify, design & supply
  • On site office build & installation
  • Systems certification
  • Post contract support & ongoing maintenance

We are SafeContractor and CHAS accredited and hold Constructionline certification...

Do you need to remain operational during your project? No problem. Business doesn't stop while noisy or 'messy' work is being carried out, so we'll be as flexible as required by carrying out work either out of hours or at time to suit you. By developing a project programme with you, all parties will have a clear understanding of the build timescales. With SEC working with you, our promise of delivering your expectations will be met.

Professional office space design company

Professional Office Space Designers


Although we are not interior office designers in the traditional sense, we understand the importance of modern office space design and the effects it can have on working environments. So, by gaining an understanding of your specific needs, we will help you create an innovative, sustainable and inspiring office interior. 

Our broad interior client base is testament to our approach and service ethos. We will manage your obligations and compliance to planning, building Control, CDM and DDA/Equality regulations.

Office Design, Supply and Build Company


We supply all elements of your office design and build project, from mezzanine flooringpartitioning systems and suspended ceilings to commercial lightingoffice furniture and HVAC

During our 13 years' history we have developed a supplier network with unrivalled office solutions and competitive pricing support. This alone helps your project deliver a return on investment. 

Our range of office design solutions is, in our clients opinion, second to none. When creating office designs, our dedicated contracts team will deliver your project on time, add finishing touches and move your furniture into place. 

Our project managers will manage all planning & building control elements if required and coordinate all site trades along with product delivery. We directly employ our own trade staff, enabling keeping control of quality and Health & Safety on site. 

Office design, supply and build company

View our Case Studies

A detailed insight into some of the interior fit-out projects SEC has worked on

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