Software as a Service; Platform as a Service; blockchain as a Service; data authentication via blockchain; certification of data via blockchain; user authentication services using blockchain technology; provision of non-downloadable software in the nature of cryptocurrency and platforms for trading cryptocurrency.

Advertising; business management; business administration; office functions; providing business information; collecting business information; business analysis, research and information services; statistical analysis and reporting; business data analysis; analysis of market research data; market analysis; market research services; conducting marketing studies; computerised market research; marketing and promotional services; compilation of business statistics and commercial information; distribution of promotional matter; promotional marketing; advisory services relating to sales promotion; developing promotional campaigns for business; commercial information services; business consultancy services relating to marketing; event marketing; promoting the goods and services of others; organization and management of customer loyalty programmes; business assistance, management and administrative services; business consultation services; sponsorship search; business development services; personnel services; outsource service provider in the field of customer relationship management; organization of promotions using audiovisual media; online advertising via a computer communications network; advertisement via mobile phone networks; presentation of goods on communications media, for retail purposes; commercial intermediation services; dissemination of advertising for others via an on-line communications network on the internet; advertising by transmission of on-line publicity for third parties through electronic communications networks; business management consulting with relation to strategy, marketing, production, personnel and retail sale matters; on-line auction services; operating an on-line shopping site in the field of filters, heating, ventilating and air conditioning apparatus and their spare parts and application software to computers and mobile devices; electronic commerce services, namely, providing information about products via telecommunication networks for advertising and sales purposes; intermediation of services for others.

Building construction; installation, repair and maintenance of installations for heating, ventilation and air conditioning apparatus; installation, maintenance and repair of ventilation channels; advisory services relating to the installation, service, maintenance and renovation of installations for Heating, ventilation and air conditioning; construction of ventilation shafts.

Installation, repair and maintenance of heating equipment; installation, maintenance, and repair of heat pumps and heat pump apparatus; HVAC systems (heating, ventilation and air conditioning) installation, maintenance and repair; installation of heating and cooling apparatus; installation of central heating apparatus; maintenance and repair of energy generating installations; repair of energy supply installations; air conditioning system installation and repair; air conditioning apparatus installation and repair; services for the repair of heat exchangers; maintenance and repair of heating and cooling apparatus, appliances and installations; construction of geothermal energy installations; construction of geothermal heating installations; construction of geothermal community heating installations; maintenance and repair of geothermal installations; installation of solar heating systems; drilling of boreholes; beneath ground construction work relating to pipework; installation of water pipes; renovation of underground pipes; heat pump contractor services; retrofitting of heat pumps in buildings; routine servicing of heat pumps and heat pump apparatus, appliances and installations; routine servicing of heating and cooling apparatus and installations; retrofitting of heating, ventilating and air conditioning installations in buildings; maintenance of data communication networks; information, advisory and consultancy services relating to all of the aforesaid.

Technological services, research, and design in the field of energy and heating; technological consultancy in the fields of energy production and use; consultancy relating to technological services in the field of power and energy supply; professional consultancy relating to the conservation of energy; professional consultancy relating to energy efficiency in buildings; technological consulting services in the field of alternative energy and heat generation; advisory services relating to the use of energy; advisory services relating to energy efficiency; design and development of regenerative energy generation systems; technological analysis relating to energy and power needs of others; engineering services in the field of energy technology; engineering design services; engineering design services in the field of heating installations and heat pump installations; technical design and planning of heating installations and heat pump installations; engineering design services in the field of HVAC systems (heating, ventilation and air conditioning); technical design and planning of HVAC systems (heating, ventilation and air conditioning), technical design services relating to heating, cooling and air-conditioning apparatus, appliances and installations; technical design and planning of cooling installations; surveying boreholes; measuring variables associated with the drilling of boreholes; technical design services relating to storage systems for batteries; development of energy and power management systems; research in the field of carbon emission reduction; information advisory and consultancy services relating to all the aforesaid; software development; development services relating to computer software application solutions; development of systems for the transmission of data.

Scientific and technological services and research, development, testing and design services, all these services relating to energy efficiency, energy fields, the environment and engineering; consultancy, advisory and information and quality control management services in the field of energy efficiency and relating to the energy and the environment fields; information, advisory and consultancy services in the field of the energy efficiency of products, development of projects on energy efficiency and renewable energies, all these services not included in other classes.

Gas meters, electricity meters, electricity monitors; water meters, smart meters, measuring equipment; fuel dispensing, metering and storage equipment and systems; apparatus and instruments for conducting, switching, transforming, accumulating, regulating, monitoring or controlling electricity; electronic devices and apparatus to be used in connection with the payment of utility bills; electronic devices and apparatus, including wireless devices and apparatus, to be used in connection with networking appliances and apparatus (including computers and computer peripherals as well as appliances and apparatus for lighting, heating, steam generating, cooking, and refrigerating, drying, ventilating, water supply and sanitary purposes); parts and fittings for all the aforesaid goods; electrical switches, electrical plugs, electrical sockets, electrical adaptors and remote controls for electrical equipment and devices; Electrical switches for electrical energy saving, electrical plugs for electrical energy saving, electrical sockets for electrical energy saving, electrical adaptors and remote controls for electrical equipment and devices, for electrical energy saving; remote control equipment and apparatus; solar panels; fuel cells; solar cells; electrical apparatus utilizing solar cells; apparatus for the testing of solar cells and solar panels; photovoltaic cells and modules; solar electric systems and solar electric installations for use in providing power to commercial, residential and industrial premises; photovoltaic apparatus and installations for generating solar electricity; solar batteries; inverters; video display monitors; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; solid state electronic controls used to regulate current flow; electronic control units for monitoring solar electric or wind power systems; parts and accessories for all the aforesaid goods; photosensors; calibrated photovoltaic reference cells, ampere-hour meters; anodes; capacitors; circuit breakers and electric circuit closers; battery charges; electric battery charges; power supply devices for battery charges; battery charging equipment and apparatus; mobile telephones; control apparatus and thermostats for boilers in central heating systems; re-recorded audio tapes, video tapes, audio cassettes, video cassettes, CD-ROMs, DVDs, compact discs, and video discs, computer memory cards or sticks, featuring entertainment related to films, video, games and music; video and audio files; computer memory cards or sticks containing pre-recorded electronic publications relating to energy usage and/or monitoring of energy usage; electronic publications relating to energy usage and/or monitoring of energy usage; downloadable electronic publications relating to energy usage and/or monitoring of energy usage.

Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; refrigerators; freezers; cookers; cooker hoods; fires; hearths; barbecues; wall heaters; convector heaters; water heaters; fan heaters; boilers; central heating systems; microwave ovens; showers; air movement and cooling equipment; air conditioning equipment; security lights; lighting; lamps; light bulbs; sanitary ware and parts and fittings therefor; showers; sinks; taps; parts and fittings therefor; flow limiters, water saving equipment and apparatus; solar heating systems; heat pumps; heat pumps for energy processing; ground source heat pumps; air source heat pumps; exhaust gas heat pumps; central heating boilers; solar collectors for heating; solar furnaces; solar electric installations for use in providing power to commercial, residential and industrial premises; parts and fittings for the aforesaid goods.

Printed matter, newspapers, periodicals, handbooks, brochures, leaflets and pamphlets.

Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes; plastics in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, not of metal; insulating materials; articles made of rubber and synthetic rubber for insulation purposes; coating materials used for insulation purposes; fabrics for insulation; fibreglass for insulation; fibre board for insulation; flexible foamed plastics for insulation; insulating materials for insulation against heat; insulation for pipes; insulation materials of plastics; materials for thermal insulation; materials for wall insulation systems; underfloor insulation; thermal insulation jackets for hot water cylinders and central heating pipes; thermal insulation material used in the construction or conversion of lofts; radiator insulation panels; packing, stopping and insulating materials; flexible pipes, not of metal; coating materials for insulating drains.

Business and advisory services relating to the purchase and/or sale of gas, gaseous fuels and electricity; measuring of gas and electricity consumption (metering service); utility bill management services, namely, tracking, reporting, analysing and delivering energy information in the form of utility bills and utility meter data rate schedules; business consultancy; compilation of information into computer databases; economic forecasting services; billing services; provision of energy usage and billing information including the provision of such information online or electronically; organisation, operation and supervision of incentive and loyalty schemes; credit card and debit card registration services; data collection and transfer services; the bringing together for the benefit of others of a variety of gas, domestic electrical equipment and domestic electrical items, water, power related and telecommunications goods, enabling customers to conveniently view and purchase those goods in a retail gas and domestic electrical equipment goods store, or via an Internet website specialising in the sale of gas, electrical, water or telecommunications goods; market study and research services; information, consultancy and advice relating to the aforesaid services.

Insurance; financial affairs; monetary affairs; insurance and financial services; financial services for the payment of utilities bills; motor and non-marine general insurance services; motor insurance; fire insurance; health insurance; life insurance; trade and construction insurance; shop, pub and restaurant insurance; small business insurance; office insurance; professional worker insurance; professional indemnity insurance; surgery insurance; residential and landlord insurance; travel insurance; marine insurance; information services, including comparison services, relating to insurance and finance, provided on-line from a computer database or the Internet; insurance brokerage, consultancy, information services; information, advice and consultancy services relating to all the aforesaid services.

Installation, repair and maintenance of gas, oil or electrical appliances or instruments using gas, oil or electricity; installation, repair and maintenance of gas, oil, electricity or water meters, air conditioning and ventilation appliances; installation of insulating materials; laying, repair, maintenance and inspection of pipelines; plumbing services, construction, repair and maintenance of gas installations; kitchen installation services.

Storage, distribution, transportation and delivery of gas, oil and electricity; production of gas and oil.

Treatment of materials; generation of electricity; generation of power and of electricity; chemical treatment; waste disposal; treatment of waste, recycling of waste; generation of energy from renewable sources; generating electricity, oil or gas; the production of energy for domestic and industrial use from renewable sources such as solar, wind and water; air deodorising, air refreshing and water purification and recycling services; information, consultancy and advice relating to the aforesaid services.

Training services relating to the selection, installation, operation, repair and maintenance of electrical, oil or gas fired apparatus and instruments; education services relating to the gas, oil and electricity industry; education; providing of training; educational and training services in relation to carbon offsetting, conservation, the provision and conservation of energy, energy sources, energy efficiency, environmental issues, environmental pollution and environmental protection; entertainment; sporting and cultural activities; organising of competitions relating to energy usage and/or monitoring of energy usage; organising exhibitions for cultural or educational purposes relating to energy usage and/or monitoring of energy usage; gaming; production of radio and television programmes, production of shows; providing on-line publications (non downloadable); provision of information in relation to all of the foregoing; providing online computer and video games accessed and played via electronic, wireless and computer networks; providing computer and video games accessed and played via mobile and cellular phones and other wireless devices; entertainment in the nature of competitions in the field of the energy industry and environmental issues; information, consultancy and advice relating to the aforesaid services.

Auditing, assessing and advising on energy consumption and safety and efficiency of gas, oil or electrical appliances; advisory, information and consultancy services relating to energy management and efficiency; auditing energy consumption of buildings; energy conservation management; exploration of gas and oil; environmental conservation; research in the field of environmental protection; provision of information, advisory and consultancy services in relation to carbon offsetting, conservation, the provision and conservation of energy, energy sources, energy efficiency, environmental issues, environmental pollution, environmental protection; consultancy and advisory services all relating to conservation in relation to the natural environment and computer software; computer programming services, construction, design, engineering and testing services; scientific and technological services and research and design relating thereto; industrial analysis and research services; design of sustainable energy systems; design project management; inspection of pipelines; transmitting and distributing electricity, oil or gas; utility meter reading services; meter reading of gas and electricity consumption; advisory and consultancy services relating to planning applications; surveying; geographical surveying; surveying boreholes; research studies into environmental conservation, natural resources and sustainable energy production; adaptation and transfer of technology relating to one source of energy production to another; scientific and industrial research; studies and consulting on the environment, ecology and sustainable development; research on energy and renewable energy; expert appraisal services in the fields of the environment, energy, including new energies, natural wealth and sustainable development; technical evaluation and estimate services concerning energy consumption; technical studies and advice concerning the distribution of energy consumption; technical services for collecting information from remote energy consumption calculators; creation, updating, adaption of software, computer programming; metered measuring services of gas, oil and electricity; information, consultancy and advice relating to the aforesaid services.

Certifying as to the energy efficiency of buildings; inspection of pipelines; monitoring services for the detection of intruders or damage to property; information, consultancy and advice relating to the aforesaid services.