North Tawton Pottery - Gillian Tregunna Burrage or Andrew Holden

Companies House has North Tawton Pottery as an active company based at The Coach House, North Street, North Tawton.
Directors are Gillian Mary Tregunna Burrage (d.o.b. 1938), and Nicholas Tregunna Burrage. Dissolved in 2020

There are other items via a google search by Gil Tregunna

Nicholas Tregunna Burrage is a registered director, company set up in 2007 and dissolved in 2020.
In the 1970s-80s, Andrew Holden had potteries in North and South Tawton, using dark grey, brown, and greeny-grey celadon glazes while at North Tawton, but he normally used an impressed H mark.