Our Experience is what counts

Three decades ago, Ian Welch took the agency for Nelson Stud Welding and introduced its benefits to the New Zealand market. Since then NSW has become the only stud welding company to have support nationwide through our offices in Auckland and Wellington. This has allowed us to work on huge projects as we’ve built up a staff of 20 highly proficient engineers and tradespeople.

You might not have seen our work, but you’ll have walked on it.

We’re supporting some of the biggest structures in New Zealand.

  • Sky City Casino, Hotel and Conference Centre, Auckland City
  • Nautilus Apartments, Orewa
  • Vero Building, Auckland City
  • PriceWaterhouseCoopers Building, Auckland City
  • Auckland International Airport, Mangere
  • BNZ Towers, Wellington
  • Queensgate, Riccarton
  • Extensions to Tasman Pulp and Paper.
  • Edgecombe Dairy Factory.
  • Sentinal Apartments, Takapuna, Auckland
  • Stamford Plaza, Auckland
  • Aura Apartments, Auckland

And the biggest construction companies in New Zealand trust our work

  • Hawkins
  • Fletcher Construction
  • Scarbro Construction
  • Euroclass
  • Anitree Construction
  • Gibson & O’Connor
  • Canam Construction


We are also members of:



We are Proud Sponsors of the Mainline Steam Heritage Trust

mainline badge

Mainline Steam is an organisation devoted to the restoration and operation of historic mainline steam locomotives. Take a ride on an excursion, or become a member and get your hands dirty on one of our restorations!    FIND OUT MORE HERE