As much a businessman and office manager as an architect, Peddie held directorships with the Edinburgh Tramway Company, Scottish Equitable Life and the Scottish Investment Trust, but never sought membership of the Royal Institute of British Architects or the Royal Scottish Academy.
National Trust | National Trust for Places of Historic Interest or Natural Beauty | Scottish people | Scottish Gaelic | London, Midland and Scottish Railway | Scottish Premier League | Scottish Parliament | Scottish Cup | Scottish Borders | Scottish National Party | Wellcome Trust | Scottish Football League | Member of the Scottish Parliament | National Trust for Historic Preservation | London Scottish F.C. | Scottish Government | Royal Scottish National Orchestra | Scottish Power | National Trust of Australia | Wellcome Trust Sanger Institute | Scottish Green Party | Scottish Enlightenment | European Investment Bank | The Prince's Trust | Scottish Rite | Richard Wilson (Scottish actor) | BBC Trust | Alternative Investment Market | Royal Scottish Academy | Leverhulme Trust |