About Mercury EW

We are a veteran owned service provider to the defence industry specialising in EW and CEMA training, consultancy & advice and defence training management services.

Why Mercury EW?

Defence and security organisations choose Mercury EW Ltd because of the company’s proven ability to deliver highly specialised, mission-ready training and consultancy across Multi Domain Operations (MDO). Here's why clients consistently place their trust in us.

Agile and Reliable

Since 2009 we have successfully collaborated with 33 different prime contractors

Experienced

Delivered 80+ successful training and consultancy projects totalling 14,000+ project days

Subject Matter Expertise

Successfully delivered 138 EW/CEMA and defence related training courses totalling 360+ training weeks

Trusted

100% customer satisfaction rate

Compliant and assured

Uphold strict government accreditations in ISO9001:2015, Cyber Essentials Plus and IASME Cyber Assurance

Delivering Excellence Since 2009

Proven 100% customer satisfaction, spanning across 14,000+ project days and over 360 training weeks.

Prime Contractors

138

Individual Courses

80+

Successful Projects

Different Countries

Our Mission

Operate with agility, integrity and professionalism to deliver exceptional results for our clients.

About Us

‍Incorporated in April 2009, we have built a reputation as a recognised leader in EW and CEMA training and consultancy. We are proud to have served a global defence client base and collaborated with world leading technology, aerospace, and defence companies, delivering tailored solutions that combine deep training and technical expertise with operational insight.

We integrate world-class EW and CEMA expertise into customer teams, working collaboratively to deliver mission-focused outcomes at every stage. As our adversaries increasingly exploit the electromagnetic spectrum to disrupt, deceive, and deny access to vital capabilities, we enable our clients to meet these challenges with confidence and skill.

Our success is founded on the trust placed in us by our clients. We operate to the highest standards of quality, ethics, and environmental responsibility, while fostering a diverse and skilled workforce that reflects our commitment to continuing to deliver excellence.

Our Business Code of Practice is available upon request and underpins our dedication to our agility, integrity, and professionalism.

British Army soldier testing communication equipment in a training environment

Get in Touch!

Our team is dedicated to providing expert support and guidance. Whether you have a question, require assistance, or seek further insight, we welcome your enquiries and are here to help.

The Mercury EW Team

Our strength lies in the depth of expertise and dedication within our team of 20+ defence experts. Comprising seasoned professionals from across the defence, intelligence, and training sectors, we bring together a unique blend of technical excellence, operational insight, and instructional experience.

MEET THE TEAM

Corporate Responsibility

Mercury EW – Corporate Responsibility Statement

At Mercury EW corporate responsibility is central to our mission of delivering world-class Electromagnetic Warfare (EW) and Cyber and Electromagnetic Activities (CEMA) training, consultancy, and advisory services. We recognise our duty to operate with integrity, accountability, and respect for the people, communities, and environments we impact.

Mercury EW – ESG Commitment Statement

At Mercury EW we recognise that long-term success in the defence sector requires more than technical excellence—it demands a steadfast commitment to Environmental, Social, and Governance (ESG) principles. As a trusted provider of Electromagnetic Warfare (EW) and Cyber and Electromagnetic Activities (CEMA) training, consultancy, and advisory services, we embed ESG values into every aspect of our operations, partnerships, and strategic vision.

Full Corporate & ESG Statement

Our Accreditations

We aim to deliver the highest levels of quality standards.

Cyber Essentials

Cyber Essentials is a UK government-backed cybersecurity certification scheme designed to help organisations protect themselves against the most common cyber threats. It is managed by the National Cyber Security Centre (NCSC) and delivered through its official partner, IASME Consortium.

Cyber Essentials Plus

Cyber Essentials Plus - Cyber Essentials Plus is the highest level of certification under the UK’s Cyber Essentials scheme, backed by the National Cyber Security Centre (NCSC). It provides assurance that an organisation has implemented robust baseline security controls to protect against common cyber threats.

IASME Cyber Assurance Level 1

IASME Cyber Assurance Level 1 is a verified self-assessment certification designed to help organisations demonstrate their commitment to cybersecurity, data protection, and information governance. It is part of the IASME Cyber Assurance scheme.

IASME Cyber Assurance Level 2

IASME Cyber Assurance Level 2 (formerly known as IASME Governance) is an advanced cybersecurity certification designed to provide a high level of assurance that an organisation has implemented robust controls to protect its information systems, data, and operations. Level 2 is an audited certification and involves independent, on-site audit conducted by a certified assessor.

ISO9001:2015 - QMS

Mercury EW Ltd has been certified since 2018 under the ISO 9001:2015 Quality Management System (QMS) standard for the design, development and delivery of training.This accreditation is issued by a certification body that is accredited by UKAS—the United Kingdom Accreditation Service.

A UKAS-accredited ISO 9001:2015 certificate ensures that the certification body has been independently evaluated and meets rigorous standards. This adds credibility, trust, and assurance to the certification—especially important in regulated sectors like defence, aerospace, and security.

ERS – Gold Award

Mercury EW Ltd have been presented the Ministry of Defence Employer Recognition Scheme Gold Award. The Defence Employer Recognition Scheme (ERS) encourages employers to support defence and inspire others to do the same. The scheme encompasses bronze, silver and gold awards for employer organisations that pledge, demonstrate or advocate support to defence and the armed forces community, and align their values with the Armed Forces Covenant.

JOSCAR

JOSCAR (the Joint Supply Chain Accreditation Register) is a collaborative tool used by the aerospace, defence and security industry to act as a single repository for pre-qualification and compliance information.

What Our Customers Tell Us

These testimonials from previous customers offer assurance that you’ll be partnering with trusted Electromagnetic Warfare (EW) and Cyber and Electromagnetic Activities (CEMA) specialists known for reliability, expertise, and operational excellence.

Mercury EW have enhanced the skills of not only my team, but navies throughout the world. They have shared their knowledge and vast experience of EW to our benefit and that of my customers. Mercury EW are an absolute pleasure to work with – when they are involved I know there will always be a positive outcome.

- OEM

Mercury has shown the utmost integrity, professionalism and work ethic; their knowledge of EW is unquestionable, in particular in the maritime environment. I can also recommend Mercury EW as an excellent company to work with and have impressive skills and experience in all aspects of EW.

- OEM Business Development Director

Mercury are highly skilled, motivated and professional EW Subject Matter Experts. Their ability to cope with the unexpected is testament to the high standards of training they deliver for us in a multicultural environment.

- Military

Employing the very best SMEs from all 3 services, with many years of experience, Mercury EW is a trusted and reliable Electronic Warfare team for all EW training and support needs.

- EW Systems Instructor