How to Become an Army Officer: Application Process Explained

Thinking about becoming an Army Officer but not sure where to start?

Whether you're still exploring your options or ready to apply, this guide explains everything you need to know about becoming an Army Officer. You'll learn about the age requirements, application process, selection stages and how to prepare for success.

You'll also find advice from Army recruiters who support officer candidates every day.

What does an Army Officer do?

Army Officers are leaders. They are responsible for leading soldiers, making decisions, solving problems and helping their teams succeed.

Officers work in a wide range of roles across the Army depending on your area of interest, including intelligence, combat, logistics, medical and more.

As an Officer, you'll receive world-class leadership training and take on real responsibility from the start of your career.

Can I apply to become an Army Officer?

Before you get started, it’s important to know the age requirements:

Army Officer Age Requirements

You can apply from 17 years and 9 months old.

If you’re interested in an Army Scholarship, you can apply while you’re in Year 12 (Lower Sixth).

To join as an officer, you’ll need to start training at Sandhurst before your 30th birthday.

When does training at Sandhurst start?

Royal Military Academy Sandhurst welcomes Officer Cadets three times a year:

• January

• May

• September

This means there are several opportunities throughout the year to begin your training journey.

How to apply to become an Army Officer

Every application is different, but most officer applications take around 6 to 12 months from start to finish.

Once you’ve submitted your application, you’ll be supported by two key people:

• Your Candidate Support Manager - They’ll guide you through each stage of the application process, answering any questions and helping you keep everything on track.

• Your Recruiter - They’ll be there to answer questions and support you as you prepare for each stage.

What happens after you apply?

The Army Officer application process usually follows several key stages.

• Step 1: Initial Conversation

  You'll speak with your Candidate Support Manager about the next steps in your application.

• Step 2: Medical Records Check

  Your medical records will be requested from your GP.

• Step 3: Video Interview

  You'll complete a video interview with a recruiter.

• Step 4: Medical Assessment

  You'll attend a face-to-face medical assessment at a selection centre.

• Step 5: Army Officer Selection Board

  You'll take part in the Army Officer Selection Board (AOSB), which is completed in two stages.

Throughout your application, you can track your progress through your candidate portal, which includes a handy progress bar showing how far you’ve come.

"If you're ever stuck about anything, please don't be afraid to pick up the phone or send a message. We're always there to help you through the process."

Top Tips for a Successful Army Officer Application

Want to give yourself the best chance of success? Here’s what our recruiters recommend:

1. Check your candidate portal regularly

2. Return any requested documents as quickly as possible

3. Make sure you’re registered with a GP before applying

4. Double check forms before submitting them

5. Research the roles available to you

6. Learn about the responsibilities of an officer

7. Keep working on your fitness throughout the process 

8. Stay informed about current affairs

9. Ask questions whenever you're unsure

A little bit of effort can go a long way and make a big difference in helping your application move forward. 

Ready to start your journey

Becoming an Army Officer takes commitment, preparation and leadership potential, but you won't do it alone.

By understanding the application process, preparing early and making use of the support available, you'll give yourself the best possible start.

Whether you're still exploring your options or ready to apply, now is the perfect time to take the next step.