Optical position tracking apparatus; optical position tracking software; surveying apparatus and instruments; surveying and measuring apparatus and instruments to be used in setting out a construction site; protective helmets; builders' helmets incorporating one or more position detection sensors; protective helmets incorporating an augmented reality display, including augmented reality glasses; augmented reality hardware; augmented reality glasses and headsets; augmented reality software; augmented reality software for integrating electronic data, including electronic building information model data, with real world environments, including real world construction sites; augmented reality helmets; augmented reality headsets: augmented reality computer hardware; head mounted augmented reality displays; augmented reality hardware; augmented reality glasses and headsets; optical position tracking apparatus; augmented reality software; augmented reality software for integrating electronic data, including electronic building information model data, with real world environments, including real world construction sites; optical position tracking software; surveying apparatus and instruments; surveying and measuring apparatus and instruments to be used in setting out a construction site; protective helmets; builders' helmets incorporating one or more position detection sensors; protective helmets incorporating an augmented reality display, including augmented reality glasses

Building construction consultancy; building construction advisory services; building construction supervision services for building projects; providing online information relating to building construction; advisory services relating to building construction; providing information relating to building construction; building inspection [in the course of building construction]; consultation in building construction supervision; consultancy relating to residential and building construction; information services relating to the construction of buildings; consultancy services relating to the construction of buildings; rental of apparatus for use in the construction of buildings; on site project management relating to the construction of buildings; providing information relating to the construction, repair and maintenance of buildings; advisory services relating to the construction of buildings and other structures

Surveying and engineering services; construction site engineering and surveying services; construction site setting out services [engineering and surveying services]; consultancy services relating to setting out a construction site [engineering and surveying services]; development of augmented reality software for use on construction sites; hosting services, software as a service, and rental of software for augmented reality visualisation; software as a service [SaaS] services featuring software for augmented reality visualisation; software as a service [SaaS] services featuring augmented reality software for simulation; software as a service [SaaS] services featuring virtual and augmented reality software