About us

Who we are

Watts-ON Consultants is a privately-owned water and energy consultancy company founded in 2017 by Davide Bertelli (CEng) and Giovanni Lupaldi (CEng, CEnv, CEM and ESOS LA). We are now a bigger team with Andras Szollar bringing in sustainability knowledge. We are a group of enthusiastic consultants, chartered engineers and software developers who have combined their global professional knowledge to help high energy and water users to reduce their utility consumption and running costs.

How we work

We work side by side with your team guiding your staff to achieve your sustainability targets and reduce your operational cost using our unique team working approach.

Where we have worked

wattson where we have worked

Our offices

63 Whalley Drive, L39 6RD. Aughton, UK

57 Fitzwilliam Square North, Dublin 2, D02 CP02, Ireland

Via Adige 41, Battipaglia (Salerno) Italy

Csaba utca 10, Budapest, Hungary 1122

How you benefit

Our combined expertise created Watts-ON, our user-friendly, low cost virtual utility manager assistant, which will help you track project implementation, cost savings and efficacy of capital investments. If you have undertaken your voluntary or mandatory utility audits, but you don’t see tangible benefits for your efforts, come and talk to us.

What we do

Energy Legislation compliance


Metering Monitoring & Targeting

Energy & Water audits

Energy procurement

Sustainability certification

Our team

Andras Szollar, MEng, LEED & BREEAM AP

Andras Szollar, MEng, LEED & BREEAM AP

  • Energy efficiency
  • EU EPBD Energy auditor
  • BREEAM & LEED certification
Eng. Davide Bertelli

Eng. Davide Bertelli

  • Software design
  • Software security
  • Telemetry expert
Giovanni Lupaldi, CEnv, CEng IMEchE, CEM

Giovanni Lupaldi, CEnv, CEng IMEchE, CEM

  • Smart metering and M&T
  • Certified Energy Manager
  • Business development
Zoltan Majnovics, Sustainability Consultant

Zoltan Majnovics, Sustainability Consultant

  • BREEAM, LEED and WEEL, in new construction, existing building and fit-out projects
Eszter Horvath, MSc, Sustainable Energy

Eszter Horvath, MSc, Sustainable Energy

  • Renewables
  • Energy Efficiency
  • Sustainability

To manage your utilities is a complex business but for us it is elementary … elementary, Watts-ON!