The Stone Three company source record lists 75 employees. The visible Stone Three management graph includes:
Dirk Wagener
Chief Innovation Officer: Health
2
1
General
(15)
Christo Steenbok
Service Delivery Manager
2
0
IT
(15)
Louis Marais
Executive Manager and Electronic Engineer with an Mba. Experienced in Technology Product Commercialization and Operations. Passionate About Science, Mental & Physical Well-being, Cycling, Cars and Music.
1
0
Marketing
(4)
Mark Silberbauer
Product Manager of Digital Health & Safety at Stone Three
1
0
Sales
(2)
Carissa Balkissoon
Customer Success Manager - Operational Productivity - B.eng.hons - Asq Cre - Manco Sa
1
0
Operations
(1)
Carl Rohwer
Head of Business Development - Operational Productivity at Stone Three
2
0
Finance
(1)
Anthea Hawkes
Financial Officer at Stone Three
3
0
Related company intelligence for Stone Three
1 same-industry peer
10 with employee estimates
10 with websites
10 with social profiles
4 peer evidence types
Peer evidence source coverage
4 source-backed evidence types support this related-company graph.
same-industry peers, employee benchmarks, website records, and social profiles
Same-industry peers
1 / 10
1 of 10 related companies shares this company's industry classification.
Employee benchmarks
10 / 10
10 of 10 related companies include employee estimates.
Website records
10 / 10
10 of 10 related companies include official website records.
Social profiles
10 / 10
10 of 10 related companies include company social profile signals.
Peer link quality filter
High-confidence peer link set
10 related companies met the 2-signal peer-link threshold. Eligible peers average 4.0 source-backed signals.
10
eligible
0
filtered
4.0
avg signals
Peer comparison matrix
Limited peer comparison
Compares this company with related-company evidence across employee scale and peer graph evidence.
employee scale and peer graph evidence
Employee scale
Larger than most related peers
This company
75 employees
Related peers
8 median peer employees
9 of 10 related employee-estimated peers are lower.
10 related companies with employee estimates
Peer graph evidence
Multi-signal peer benchmark evidence
This company
Benchmark-ready peer graph
Related peers
3 benchmark dimensions
Peer benchmark combines 10 related companies with peer graph strength, size benchmark, and size position. Underlying peer graph includes 4 evidence types: industry context, employee benchmarks, website records, social profiles.
industry context, employee benchmarks, website records, social profiles
Peer benchmark evidence
Multi-signal peer benchmark evidence
Peer benchmark combines 10 related companies with peer graph strength, size benchmark, and size position. Underlying peer graph includes 4 evidence types: industry context, employee benchmarks, website records, social profiles.
peer graph strength
size benchmark
size position
Peer position benchmark
Employee-scale peer position benchmark
Peer-position benchmark shows employee scale above 90% of 10 comparable related peers.
Directional peer-position evidence:
Peer-position evidence combines employee scale above 90% of 10 comparable related peers from related-company records.
Employee scale: 90%
Peer graph strength
Benchmark-ready peer graph
Related peer graph has industry context, employee benchmarks, website records, and social profiles across 10 related companies.
Peer median size
8 employees
Largest peer by size
Spatialedge
134 employees
Stone Three size signal
75 employees
Peer size comparison
1 larger · 9 smaller
Peer scale position
Larger than most related peers
9 of 10 related employee-estimated peers are lower.
Stone Three people graph sample
-
Francois Swanepoel
City of Cape Town, Western Cape, South Africa1 email signal on stonethree.com -
Keet Van Zyl
High-growth Venture Investor
City of Cape Town, Western Cape, South Africa3 email signals across 3 non-official domains -
Hennie Warnich
City of Cape Town, Western Cape, South Africa1 email signal across 1 non-official domain
How AeroLeads builds company intelligence
Use source-backed company records
AeroLeads combines company source fields, workforce samples, email-pattern aggregates, and related-company records when those signals are available.
Show only available evidence
Blank source fields are omitted. Contact channels are summarized as signals, with raw email addresses and phone numbers masked on public pages.
Compare useful company context
Related company, market, workforce, technology, and management signals help turn a static company listing into a company intelligence page.
Contact research
AeroLeads intelligence
Review reachable contact coverage for Stone Three
AeroLeads maps 3 visible contact signals for Stone Three. Coverage is multi-channel contact coverage.