The Team

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Sean Rossiter

Director

Sean is the director and founder of Tier 1 Interiors, a leading plasterboard company he launched with his wife Tammy in 2004. With over 20 years in business, Sean has built a reputation for quality craftsmanship, reliability, and an approach that reflects his deep commitment to clients. Under his leadership, Tier 1 Interiors has grown from a small operation into a trusted name in interior construction.

Office Staff

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Tammy manages the physical and health risks of our workers onsite, and to ensure we work in a safe manner preventing injuries to our workers and all other trades onsite.

Tammy Rossiter

Health & Safety Manager

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Julie Tinomana

Accounts

Julie is the point of contact for all accounts payable/receivable and any other admin queries.

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Sarah is in charge of managing our administrative and operational tasks, looking after our scheduling, planning, and communications.

Sarah Spice

Construction Coordinator

Operations

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Scott Smith

Head of Operations

Scott oversees all of our operations. Having managed plastering teams for over 20 years, Scott is a valuable and effective leader. He and his well-regarded team from Scott Smith Plastering Ltd. joined us this year, expanding our already very effective plastering division.

Man (Bailey) in a neon yellow and black jacket holding a New Zealand Certificate in Construction Trades certificate.

Bailey Grossi

Fixing Operations Manager

Bailey is in charge of ensuring project timeframes are met and quality is paramount. He has the technical knowledge of all Winstones GIB install systems, Site Requirements and has L4 certificate in interior linings qualification in Fixing.

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James Mann

Quantity Surveyor

James is our quantity surveyor, sorting out all our measuring, quotes, and expenses. He is our contact for discussing tenders.

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Neil is our Operations Manager for the stopping teams, who has over 30 years in the trade. He is responsible for ensuring the timely delivery of our plastering projects and that they are finished to a high standard.

Neil Stewart

Plastering Operations Manager

We also have 30+ hardworking tradespeople behind the scenes, comprising of masterful fixers and stoppers.

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About Our Company

We are a family run business that began in 2004 specialising in plasterboard fixing, now providing a full stopping service alongside this. Over 20 years in, we still deliver a high-quality finish, with low wastage to clients in exceptional timeframes.