Independent consultancy · Bath, UK

Forty years of expertise in
IT, Communications and Energy Systems

Enttel provides senior-level consultancy across these three sectors — drawing on decades of hands-on experience across major public and private sector organisations.

IT Solutions and Infrastructure

Digital transformation, Artificial Intelligence, Big Data, Solutions development and Operations management.

Communications

Network assurance, Customer impact analysis, Service management and Network fulfillment.

Energy Systems

Digital transformation, Net Zero strategy, local energy systems and networks, data platforms and digital energy product development.

40
Years in practice
3
Core disciplines
100%
Vendor independent
What we do

Three disciplines, one joined-up approach

Complex challenges rarely sit in one box. We bring deep cross-sector experience to projects spanning IT, communications and energy — often all three at once.

IT Consultancy

From solution feasibility reviews to digital transformation programmes, we provide independent technical consultancy across infrastructure, cloud and data platforms. Clients have included HP, Ericsson and CACI.

Network architecture Digital transformation Data platforms Infrastructure review

Communications Systems

Decades of experience across fixed, mobile and satellite networks. We support network planning, service management and fulfillment across mobile, transmission and unified communications environments.

Mobile networks Service management Network planning Procurement support

Energy Systems

Independent consultancy on Digital transformation, local and regional energy networks, Net Zero feasibility, digital energy products and incubation support for energy-sector SMEs.

Net Zero strategy Local energy networks Energy data platforms SME incubation
Latest updates

News & insights

Updates on projects, industry developments and Enttel's work across IT, communications and energy.

View all news
24 April 2026

UK market consultancy support for Scan The Sun's PV solar design solutions

Enttel are co-ordinating the UK market approach for Scan The Sun's PV solar design product suite. The suite uses an innovative approach to simplify solar PV design and installation whilst optimising the yield available. The product is available as a downloadable APP or through a web browser with the APP having been downloaded in 175 different countries. This article published in PV Europe provides more information about the product.
The two companies have collaborated previously through the Climate Innovation Programme (CIP) and this latest initiative will build on this relationship.

Who we've worked with

Trusted across sectors

Our client list spans national infrastructure operators, FTSE 100 businesses, government-backed innovation bodies and international technology companies.

Sectors covered
Telecommunications — fixed, mobile & satellite
Energy & utilities
Media & broadcast
Government
Transport
Energy Systems Catapult
Net Zero feasibility, digital solutions, energy network planning and digital energy product incubation
Energy
Ericsson
Asset management data architectures for passive and active mobile network infrastructure
Telecoms
Sky
Management services across two programmes — metadata and streaming media for UK and Germany
Media
Manx Telecom
Digital transformation — network and business management across mobile and fixed networks
Telecoms
Huawei
Sales and marketing consultancy for digital transformation products across Western Europe
Technology
CACI
RFQ preparation for digital transformation — management solution stack for a mobile operator
Consulting
Vodafone · Cable & Wireless · BT
Network and service management — assurance, customer impact and fulfilment across mobile and transmission
Telecoms
Highways Agency · British Rail · INMARSAT
Consultancy and software delivery across major public infrastructure including the Dartford River Crossing
Public sector
About Enttel

A consultancy built on technical depth

Enttel was founded by Terry Harding — an engineer whose career spans IT, technology systems, academic research, major telecoms networks and the energy transition.

Director · Enttel

Enttel Consultancy Services
Jan 1999 – Present · 27+ years · Bath

Senior consultancy across energy, communications and IT. Clients include Energy Systems Catapult, Ericsson, Sky, Manx Telecom, Huawei and CACI. Incubation support for energy SMEs developing digital energy products.

Solution architecture for Vodafone, Cable & Wireless and BT covering assurance, customer impact and service fulfilment across local, mobile and transmission networks.

Director · Systems Mechanics Ltd

Systems Mechanics Ltd, Mortimer
Jun 2003 – Aug 2013 · 10 years

Board-level sales leadership. Grew the company into a leading player in Complex Event Processing (CEP)and service assurance for Vodafone UK, Vodafone Ireland, Turkcell, Swisscom, C&W and Teliasonera.

Principal Consultant · IPL

IPL, Bath
Dec 1984 – Dec 1998 · 13 years

Wide-ranging consultancy for INMARSAT, Highways Agency, British Rail Telecom, Swedish Telecom, British Gas and the Post Office. Commended for control and communications systems at the Dartford River Crossing.

Senior Lecturer · RMCS Faculty of Military Technology

Cranfield University, Shrivenham
Jan 1983 – Dec 1984 · 2 years

Digital electronics and microprocessor systems. Developed a real-time MPU-based control system and consulted on resilient distributed networks.

Areas of technical expertise

Telecommunications networks 35 yrs
Digital transformation 25 yrs
Energy systems & Net Zero 12 yrs
Service & network management 35 yrs
Data platforms & architecture 20 yrs
Embedded systems & electronics 40 yrs
Education & background
BSc Electronics & Electrical Engineering
MIEE CEng
40+ years of industry consultancy
Independent advice

Not tied to any vendor. Our only interest is your best outcome.

With experience spanning technology systems, telecoms and energy, we bring a breadth of perspective most specialist firms simply can't match.

Let's talk about your project

Whether you're planning a new infrastructure project, reviewing what you have, or simply not sure where to start — We are happy to have an informal conversation first.

Terry Harding, Director
IT, Communications & Energy consultancy
Based in Bath, serving clients UK / Europe wide