Incorporated Engineer (IEng)

IEng is an international recognised level of professional registration for Engineers. It is a formal recognition of your engineering skills and competence.

Why Become an Incorporated Engineer?

  • Recognition of expertise, knowledge and professional commitment
  • Demonstrate you engineering skills, competence and expertise 
  • Increase your exposure to new career opportunities
  • Credibility with peers, employer, customers and suppliers
  • Internally recognised qualification 


If you are seeking to become an Incorporated Engineer you will need to demonstrate your ability to meet competences described in the Engineering Council's UK-SPEC.

Incorporated Engineers:

  • maintain and manage applications of current and developing technology
  • apply existing and emerging in their work
  • engage in technical and commercial management
  • have the theoretical knowledge to solve problems in developed technologies using well proven analytical techniques
  • contribute to the continuous improvement of businesses process
  • manage the planning, budgeting and organisation of tasks, people and resources.
  • have involvement engineering design, development, manufacture and operation

To apply for IEng, you will need to:

  • demonstrate that you meet the competences set out in the UK-SPEC
  • hold or apply for the appropriate grade of RAeS membership (Associate Member (AMRAeS) or above)
  • Meet the academic requirements as set out in UK SPEC or demonstrate equivalent level of learning

Applying for IEng

Applications for registration (and/or membership) can be made online by clicking on Apply Now.

Before you can start an online application, you will be asked to sign in to the website. If you do not already have a user name and password you will be prompted to create an online account.

We request that you include the following as part of your application pack:

  • CV
  • Development Action Plan (career goals)
  • Qualifying Report Form
  • An account of a Technical Task
  • copies of certificates of any qualifications (if applicable)

Seeking advice

If you would like to speak to someone about Incorporated Engineer, please contact: or +44 (0) 20 7670 4323/320.

For guidance and to help get you started with your application, please see below for our Registration Handbook and Appendices, Step-by-Step Guide and exemplar applications.

Fees for 2017

Registration Application Fee (non-refundable) - £100.00

Entry Fee - £41.60

*NB. Due at time of approval of registration and Entry Fee includes the first years' registration fee

2017 Registration (Renewal) Fee - £32.00

2017 Baseline Registration Fee - £14.30

Lapsed Registration

A registrant may be reinstated within three years of lapsing, but will be required to pay an administrative fee. If the registration has lapsed for more than three years, the individual must reapply to one of the institutions and will be subject to a full professional review.

Already Registered with another institution?

You can request to transfer your CEng, IEng, EngTech professional registration from another UK engineering institution to the RAeS. In order to transfer your registration, you must be a member of the RAeS. If you are not already a member, find out more on how to apply at here. Once you have joined the RAeS at the appropriate level of membership, contact us at and we will be able to transfer your registration for you. You will need to ensure that your Engineering Council subscription payments are up to date. We do not charge a transfer fee to switch your Professional Registration to the RAeS.