#80
of 459 Managers
191
Total Schemes
2,377
Total Lots
12.4
Avg Lots / Scheme
91%
AGM Compliance (avg 68%)

Portfolio Profile

Lot Types

Residential 1,834 (77%) Commercial 231 (10%) Utility 92 (4%) Other 216 (9%)

Scheme Size Distribution

145
1-10
32
11-25
8
26-50
4
51-100
2
100+

Distribution of schemes by total lot count. Average scheme size: 12.4 lots. The portfolio is dominated by small schemes (10 lots or fewer), typical of townhouse and villa complexes.

Portfolio Age

13
1960s
30
1970s
112
1980s
9
1990s
17
2000s
8
2010s
2
2020s

Schemes by registration decade. Oldest scheme registered 1964, newest 2024.

Suburb Coverage

Suburb Schemes Lots % of Portfolio Market Share
Mosman 2088 106 909 55% 10.4%
Sydney 2000 8 192 4% 1.6%
Rose Bay 2029 7 59 4% 1.5%
Manly 2095 7 46 4% 1.0%
Wollstonecraft 2065 5 40 3% 1.7%
Bellevue Hill 2023 4 52 2% 1.0%
Cremorne 2090 4 19 2% 0.8%
Mcmahons Point 2060 3 163 2% 3.6%
Drummoyne 2047 3 54 2% 1.1%
Northbridge 2063 3 33 2% 5.1%
Potts Point 2011 2 220 1% 1.0%
Roseville 2069 2 71 1% 2.4%
Killara 2071 2 51 1% 2.4%
Darlinghurst 2010 2 44 1% 0.6%
Kingsford 2032 2 27 1% 0.9%
Lane Cove North 2066 2 33 1% 1.0%
Woollahra 2025 2 20 1% 1.0%
Turramurra 2074 2 22 1% 2.6%
Lindfield 2070 2 17 1% 1.9%
Concord 2137 2 16 1% 1.1%
Double Bay 2028 2 10 1% 0.9%
Crows Nest 2065 2 11 1% 1.2%
Greenwich 2065 1 47 1% 1.3%
St Ives 2075 1 36 1% 0.8%
Waitara 2077 1 32 1% 1.4%
Artarmon 2064 1 27 1% 0.6%
Palm Beach 2108 1 22 1% 5.6%
Bondi 2026 1 21 1% 0.3%
North Sydney 2060 1 20 1% 0.4%
Wahroonga 2076 1 16 1% 0.9%
Russell Lea 2046 1 15 1% 1.5%
Coogee 2034 1 8 1% 0.1%
Pymble 2073 1 5 1% 1.3%
Botany 2019 1 5 1% 0.6%
Darling Point 2027 1 4 1% 0.4%
Waverton 2060 1 3 1% 0.8%
Cremorne Point 2090 1 3 1% 0.6%
Bondi Junction 2022 1 2 1% 0.5%
Somersby 2250 1 2 1% 3.4%

Google Reviews

3 ★ Peter Teoh 14 Feb 2026
“Over the past 3 years, we have experienced several changes in our strata managers from IUM. The first strata manager was terrible. The second manager started strong for 9 months, but then ghosted us. Fortunately, the third manager, Hope Sestanovic, was outstanding. She effectively managed all...”
1 ★ Yass Jordan 14 Nov 2025
“Over the past 12 years, our building has had 11 different strata managers from this company — they come and go constantly, and each one has been worse than the last. The company is disorganised, unresponsive, and misleading. They have failed to provide correct account details, payment records,...”
1 ★ Nabonita Rahman 12 Aug 2025
“Very disappointed with the service from this strata company. They are extremely hard to reach, rarely respond to emails or calls, and show little professionalism in addressing residents’ concerns. As a company responsible for managing our homes and safety, this lack of communication is...”
5 ★ Gregory Russell 02 Sep 2025
“IUM has taken a while to come good, however, a change in our Strata Manager at IUM made all the difference with the appointment of Melissa Thompson to our building. Melissa is contentious and responds quickly to emails with solutions that are relevant to us.”
1 ★ Mona Gadd 16 Aug 2025
“A very incompetent strata who do not service nor assist their lot owners at all! We are constantly over charged with no explanations and no work is being done each quarter! The lack of communication and response is appalling and we do not see any benefits in my father owning a property in this...”