The Bertram + de Leeuw Uitgevers company source record lists 10 employees. The visible Bertram + de Leeuw Uitgevers management graph includes:
Marij Bertram
Owner at Bertram + De Leeuw Uitgevers
3
0
General
(1)
Chris Herschdorfer
Uitgever - Publishing Professional
0
0
Related company intelligence for Bertram + de Leeuw Uitgevers
5 same-industry peers
8 with employee estimates
9 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
5 / 10
5 of 10 related companies share this company's industry classification.
Employee benchmarks
8 / 10
8 of 10 related companies include employee estimates.
Website records
9 / 10
9 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
Multi-signal peer link set
10 related companies met the 2-signal peer-link threshold. Eligible peers average 3.7 source-backed signals.
10
eligible
0
filtered
3.7
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
Near peer median size
This company
10 employees
Related peers
8 median peer employees
3 related employee-estimated peers are higher and 5 are lower.
8 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 62.5% of 8 comparable related peers.
Directional peer-position evidence:
Peer-position evidence combines employee scale above 62.5% of 8 comparable related peers from related-company records.
Employee scale: 62.5%
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
Overamstel Uitgevers
121 employees
Bertram + de Leeuw Uitgevers size signal
10 employees
Peer size comparison
3 larger · 5 smaller
Peer scale position
Near peer median size
3 related employee-estimated peers are higher and 5 are lower.
Bertram + de Leeuw Uitgevers people graph sample
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Maritte Braspenning
Presentatie - & Mediatrainer - Auteur
Almere, Flevoland, Netherlands1 email signal across 1 non-official domain -
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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 Bertram + de Leeuw Uitgevers
AeroLeads maps 1 visible contact signal for Bertram + de Leeuw Uitgevers. Coverage is email-led contact coverage.