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John Slack

PersonRegistry
Relationships
8
Data Sources
1
Revenue
—
Tax Payable
—
Preview
Data as of: 20 Mar 2026

Board Seats & Positions

John Slack holds 4 roles across 4 organisations

officeholder
director
director
SYLVANVALE LIMITED
ABN 25639556988
director

Community Evidence

External Evidence

Identity

GS ID
GS-PERSON-john-slack

Method

Match Confidence
registry
Cross-references
1 dataset
Match Key
Name hash
Relationships
8

Matched by registration number — high confidence.

Data Sources

acnc_register