Information Assurance

Client Testimonials
Client Testimonials

Cambridgeshire Police

“In CNS we found a business partner that provides a top quality package in terms of reasonable prices, technical expertise, flexibility and critically, the ability to interact with and complement the work of our own technical staff – all delivered on time and in a completely professional manner. A first class service has been provided.” Information Security Manager, Cambridgeshire Constabulary

“I’d like to thank Jason Moody, Shannon Simpson, Paul Rose and Rob Sugrue for the considerable time and effort they have put in to help Cambridgeshire Constabulary move forward over the past years, the work ethic and professionalism has been second to none.” Head of IT, Cambridgeshire Constabulary 

“We have built up an excellent working relationship with CNS and their staff over an intense period in which we have moved Cambridgeshire Constabulary forward.” ICT Director, Cambridgeshire Constabulary

Competition Commission

“In the twelve months I have been working with CNS, I have found their technical competence, reliability & account management to be of an excellent standard. All projects engaged on have been delivered to time, budget & stated objectives. I have therefore no hesitation in recommencing CNS’s services to other interested parties and I look forward to continuing my successful business partnership with CNS in the future.” IT Manager, Competition Commission

Essex Police


I have been working with CNS for over 5 years now. At Essex Police we have used their consultancy services to great effect in areas including: CONFIDENTIAL Network Design, Policy design & authoring to IS027001 standards, WAN encryption, Vendor proof of concepts (using HMG approved standards), Remote Access Technologies - Design & Audit,  Implementation of Security Incident & Event Management (CESG GPG 13 standards), Technical Documentation, Asset Classification

 I have always found CNS consultants to be proficient & knowledgeable and would have no hesitation recommending their services to others. Head of IT – Operations, Essex Police 

“CNS have always demonstrated good working knowledge and are diligent in their approach, they are able to work under tight deadlines and Quality of work was assured and discussed with us regularly. CNS have adopted an easy hands on approach to any task set before them. They will freely exchange information on the phone and are flexible to the customer needs. Most of all they will liaise with you until the job is done. I been working with CNS for over 5 years and have no hesitation in recommending them.” IT Security Manager, ICAP Plc

Flight Centre Logo


“It has been a pleasure working with the consultants from Convergent over the last year. In addition to providing professional and efficient day to day network support, they have also assisted in delivering CORE projects deliverables. Each project was provided with timeous, impeccable service and demonstrated a high level of technical knowledge and expertise. I have no hesitation in recommending CNS to you, they deliver a reliable service at all times.” Technical Operations Manager, Flight Centre (UK) Limited

Netbenefit Logo

“Like any regulation the requirements of PCI DSS compliance can be quite daunting. We wanted to be able to offer our customers a PCI DSS compliant solution that can scale with their requirements, whether our customers are merchants using payment gateways or larger retailers who manage the payment process themselves. CNS provides an easy to use tool which is supported by a fully managed service.  The fact that there are people behind the technology proactively interpreting the outcomes means that we can be confident of providing the best service to our customers, 24x7.” CTO, NetBenefit (GroupNBT PLC)

Islamic Bank of Britain Logo

"The services that Shannon (Simpson, Head of Sales) and Convergent have provided the bank have been exceptional. They are very reasonably priced, with a detailed approach to the work at hand. The end product was superbly documented and presented. Shannon has shown a good level customer focus and communication." Network ManagerIslamic Bank of Britain


London Borough of Tower Hamlets Logo

“We’ve been very pleased with the improvements that the CNS COMPLIANCEngine has brought to Tower Hamlets and especially pleased with the smooth way that CNS has implemented this.  The managed services have been excellent value for money. By taking advantage of the CNS services we have been able to enhance our responsiveness to compliance events and there is greater trust between ICT and our Security team,” IT Project Manager, London Borough of Tower Hamlets

Metrobank Logo

 “We believe that all banks should do what they can to eliminate fraud connected to their brands. Our call centre has reported phishing scams and CNS has eliminated them all. This combination of call centre involvement and experienced technology consultants has proved highly effective in ensuring Metro Bank presents a robustly secure image to the world.” Technical Manager, Metro Bank PLC

Michael Page Logo

 “Why do I work with Convergent Network Solutions? That’s simple, because I trust them. I trust them to listen to what I say I trust them to understand my needs and I trust them to deliver solutions appropriate to those needs. What more do you need from a solutions partner?” Global Head of Security, Michael Page International

Mitsui Bussan Logo

 “CNS are now our sole supplier of Security and Network consultancy and support. We cannot recommend them highly enough, providing us with technically competent and innovative solutions to our requirements in a timely and most importantly personal fashion.” CIO, Mitsui Bussan Commodities Ltd.

Natexis Logo
“The consultants that we have worked with from CNS have always shown exceptional technical knowledge and commitment to their role, delivering their service in a professional and friendly manner.  Work commissioned has always been completed on time and to an excellent standard, the team’s enthusiasm and dedication to providing a good, professional service is evident in all aspects of the work that has been completed by them. It is without reservation that I recommend CNS to you, they are one of a few companies that I can truly say go above and beyond to deliver stable, reliable technical solutions and ensure their customers satisfaction.” Technical Support Manager, NATIXIS



 “We have built and enjoy a very good and mutually beneficial relationship with Jason (Moody, COO), Phil (Atkin, Accounts Manager) and the team at CNS.  Over the years they have provided us with high calibre support and development and a few laughs along the way.  We are particularly happy with their tailored approach to our requirements and the way they have adapted to working with a ‘not for profit’ organisation such as ours without compromising the quality of solution.  I can recommend them without reservation.” Chief Information Officer, National Museum of Science & Industry. 

 NPSA Logo

"We found CNS’s service to be of an excellent quality and their consultants extremely professional. As usual they completed the project on time and within budget. I would have no hesitation in using their services again or recommending them to others. ” Head of ICT, National Patient Safety Agency


North Wales Police Logo

 “Security is a very specialised discipline and we needed be sure that the company we chose understood our requirements and was able to suggest relevant security options.  That CNS could focus on our organisational needs and apply suitable solutions was key to the success of the project. We see the effective implementation of new technologies as critical to policing in the 21st century.” Head of IT, North Wales Police



 “Through a recommendation I employed CNS to assist in a firewall upgrade project. From that point on the relationship between SITA UK and CNS has grown. In all projects that involve information security, CNS are included in the tender process, and on all occasions where their proposal has been successful, CNS have always delivered to budget, to time and ensure that each project is a success. To add to this, CNS have now won a contract for a Managed Service and are an integral part of the security team at SITA UK. I would personally recommend CNS as a solution provider and more importantly as a trusted partner.” IT Security Manager, SITA UK

Standards Board for England Logo

“CNS have been employed for the last two years as the Standards Board for England’s approved IT consultancy. The consultants have shown high levels of expertise, very good attitude, are reliable and happy to share their knowledge with the IT team. Our organisation has used Convergent on a number of projects from a 1 day piece of work to 6 week interim cover for a particular role, all done to the highest quality standards. Most of all, I would consider our regular consultants as part of the IT team and make sure that the job is completed to my satisfaction before leaving. I would recommend CNS to any organisation that needs extra IT assistance and expertise” Information Systems Manager, Standards Board for England

Symantec Logo
“We have worked with these guys on many occasions, and I've personally known them for over six years as a very reputable and competent consulting outfit.” Principle Consultant, Symantec UK

The Bunker Logo
“When The Bunker needed independent and certified personnel to assist us with delivering PCI DSS and GSx CoCo (IL3) certified solutions, we selected CNS. We found their innovation and in-depth understanding of security standards and their approach to delivering certified solutions to be exceptional. In particular we are impressed by their COMPLIANCEngine service, which is a comprehensive suite of software and services, which has already significantly reduced the time to certification for several of our clients.” Data Centre Services Director, The Bunker Secure Hosting Ltd

Treasury Solicitors Office Logo

“CNS’s ability to deliver an extremely high level of technical competence, to meet all timescales & a ‘can do’ attitude to post sales consultative work has enabled me to recommend their services to my peers without reservation.” IT Security Manager, Treasury Solicitors Department


VTB Logo

 “VTB Bank Europe (formerly Moscow Narodny Bank) have been long standing customers of CNS. The relationship between the Bank and CNS has been a continuing success due to the consistently high standard of service that CNS provide;  their comprehensive technical expertise; their careful approach to project management; their attention to detail and their willingness to “go the extra mile” to ensure a project is completed on schedule. They have made a very valuable contribution to our work and we consider them very much a part of our team.” IS Director, VTB Bank Europe