Tuira, described as a "business and personal finance strategies," listed a range of self-help programmes as his primary qualifications, including courses by Tony Robbins, Robert Kiyosaki and Jordan Belfort, aka the Wolf of Wall Street.
Companies Office records show there are 34 shareholders in Power to Me Aotearoa Tapui, including a 5.31 per cent holding by former Ngai Tahu chief operating officer Julian Wilcox and several parcels held by members of the Solomon family.
The SFO operates under two sets of investigative powers.
Part 1 of the SFO Act provides that it may act where the director "has reason to suspect that an investigation into the affairs of any person may disclose serious or complex fraud".
Part 2 of the SFO Act provides the SFO with more extensive powers where: "... the director has reasonable grounds to believe that an offence involving serious or complex fraud may have been committed ..."
A brief statement issued this morning said no further comment will be made by the SFO while the investigation is underway.