Founded to innovate, inspired to revolutionise

Continually delivering expertise

Partnering with you to provide comprehensive security

Grosvenor Technology is a worldwide provider of HCM solutions and Access Control. Our products are developed and distributed from our UK base, with offices located in Essex and Dorset. Our North American team is based in Hollywood, Florida. We proudly serve countries all over the globe, delivering responsive customer support across all timezones and in many languages.

Our decades of hands-on experience enable us to revolutionise the sector with hardware and software, not just for today but for what’s to come.


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Countries Served


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What Grosvenor stands for

Our vision is to empower organisations worldwide to unlock the full potential of their workforce. We anticipate a world where everyone feels safe, protected and inspired to excel professionally. Through our innovative solutions, we create an environment where people thrive, organisations prosper, and the boundaries of achievement are constantly pushed.

Grosvenor Technology: A Global Outlook

We have offices both in the UK and the US. Our regional presence affords us a local understanding of the environments we serve, while our global reach enables us to work collaboratively to respond and develop forward-thinking solutions.

UK Head Office

Unit S, The Fulcrum Centre
Vantage Way, Mannings Heath
Poole, Dorset
BH12 4NU
Phone: +44 (0)1202 621 700

US Head Office

12323 Southwest
55th Street
Cooper City
33330 USA
Phone: +1 800 989 5197

Contact Grosvenor

We’d love to know how we can support your business in creating a safe, secure environment.

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Our People

At Grosvenor Technology, it’s our people that propel us to the forefront of the industry. Their unparalleled knowledge, unwavering dedication, and expert skills have come together to create the formidable powerhouse that is our team. With the collective strength of the best in the business, we are able to deliver secure solutions and exceptional customer support. It’s their passion and commitment that make Grosvenor Technology a name synonymous with excellence and innovation.

Managing Director

Colin Leatherbarrow

Colin has over 25 years’ experience within the Security and Identity industry. He began his career as a developer and has been promoted numerous times before becoming a Director.

Commercial Director

Ben Lagden

Ben has been with Grosvenor Technology since 1999. After closely working with HCM partners for many years, Ben has extensive knowledge of the Human Capital Management market and the environments it serves.

Vice President Operations

Brian Hack

Starting with Grosvenor Technology in July 2021, Brian has significantly improved the collaboration between the US and UK operations.  He believes the synergy between the two operations is paramount to being a truly global company and maximising global opportunities. 

Global Sales Operations Manager

Adele Kitson

Adele has spent her career in Customer Service/Sales Operations and joined Grosvenor Technology in October 2012. As the company has grown, Adele has taken the lead and grown a team to provide customers with top quality service.

VP of Global Sales

Matthew Smith

Matthew joined Grosvenor Technology in July 2015 as a National Sales Manager (USA) and was promoted to Vice President of Sales North America in May 2017, where he oversees all the business and operations in the US.

National Sales Manager – North America

Mike Braun

Mike has over 13 years’ experience in the Security industry, leading teams of sales representatives. He joined Grosvenor Technology in September 2019 as the Sales Manager for North America. 

Channel Manager ROW

Jenna Norman

Jenna is an experienced Development/Account Manager and brought her valued experience to Grosvenor Technology in September 2021. She is a highly effective communicator and works closely with the International Sales team, supporting growth in her sectors.

UK Sales Manager

Bradley Cohen

Bradley joined Grosvenor in June 2015 following a successful career in Sales and Business Development. He has a genuine passion for building and maintaining relationships with customers.  His enthusiasm and extensive knowledge of the security industry have been invaluable in securing some of Grosvenor’s largest access control projects.

Regional Sales Manager

Barry Westgate

With over 20 years of experience in the security industry, Barry has built a reputation as a seasoned professional. He is committed to supporting a structured partner network that rewards the loyalty and expertise of customers. This initiative will enhance collaboration, mutual growth, and the delivery of innovative solutions.

HCM Professional Services Manager

Cameron Leatherbarrow

Cameron joined Grosvenor Technology in November 2020, supporting the Head of Professional Services. He has ownership of the customer engagement life cycle, including pre-sales support, consultancy, proposals, project management and management of development resources.

Helpdesk Manager AC & HCM

Phil Leaper

Phil is our longest serving member of staff. He started with Custom Micro in 1987 in Production/OperationsPhil’s wealth of knowledge and experience meant he became Helpdesk Manager for our AC & HCM Helpdesks, where his vast knowledge and experience are highly regarded.

Head of Development

Stephen Woolhead

Stephen’s career at Grosvenor Technology started in June 1996 as a Software Development Team Lead. His strategic and precise approach saw his skill recognised as he received multiple promotions. In July 2020, Stephen became Head of Software Development, overseeing our talented team across the globe.

HCM Product Manager

David Hembery

David joined Grosvenor Technology in June 2018 with over 25 years of experience in the HCM market. David has successfully managed the product launches for JanusC4 and GT 8, contributing significant growth opportunities for both Access Control and HCM. 

Operations Manager

Ian Summers

Ian has an incredible 39 years’ experience in the electronics industry and has been with Grosvenor Technology since January 1995. Ian excels at ensuring Grosvenor Technology’s operations run efficiently and smoothly. 

Head of Quality & Compliance

Paul Smith

Paul joined Grosvenor Technology in December 2020 as Quality Manager, bringing with him 26 years of experience in Aerospace, Electronics and design. Following a hugely successful year in post, Paul was promoted to Head of Quality & Compliance in February 2022.

IT Manager

Sharon Whiston

Sharon has been with Grosvenor Technology since November 2018. To date, Sharon has been responsible for Grosvenor Technology achieving ISO27001 accreditation and has a clear vision for our Cyber and overall IT security.

HR Business Partner

Daniel Lagna

Daniel joined Grosvenor Technology in June 2021, following a role as HR Manager for an international retail brand. In April 2022, Daniel was promoted to HR Business Partner. He is full of enthusiasm for both people and progress and is excited to see what new technologies will be emerging within the industry.  

Group Finance Controller

Alison Sweeney

Alison joined Grosvenor in June 2021. Her 20 years of experience in finance has given the business firm footing to enable future growth. Alison’s strong commercial and accounting skills were put to use when she devised and improved processes to support departments within the company.

Custom Micro logo

Custom Mirco begins shipping first punch clock

Old Grosvenor Technology logo

Grosvenor Technology was founded

Old Janus logo

Launch of Janus & Siteguard

Newmark Security PLC logo

Grosvenor Technology acquired by Newmark PLC

Grosvenor Technology logo

Grosvenor Technology acquires Custom Micro

Janus Enterprise logo

Launch of Janus Enterprise

IT31 by Grosvenor Technology

Launch of IT31

Sateon Enterprise logo

Launch of Sateon Enterprise

IT51 by Grosvenor Technology

Launch of IT51

IT11 by Grosvenor Technology

Launch of IT11

Sateon Pro logo

Launch of Sateon Pro

GT10 by Grosvenor Technology

Launch of GT10

Janus access control hardware by Grosvenor Technology

Launch of Sateon Advance & Advance Hardware

Cloud technology icon

Launch of GT Cloud-Based Services

GT4 clock by Grosvenor Technology

Launch of GT4

Janus C4 logo

Launch of Janus C4

GT8 clock by Grosvenor Technology

Launch of GT8 and GT Claas offering

shield icon

Launch of GT Services

Talk To Us

Ready for future proofed Access Control & HCM? Discuss your requirements with the team.

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