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92
AGENTSCORE
Top performer

Lio Ah Kooi (Sumana Lio A K)

ERA Realty Network property agent in Kallang/Whampoa · CEA R023648B
148 transactions18% in Balestier61% hdbBalestier/ Toa Payoh/ Serangoon
Ranked on CEA dataUpdated Aug 2026

Selling a home? Note that 38% of Sumana's recorded deals are sales; the rest are rentals. The record below shows the full mix.

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Your AgentScore is 92, Sumana. Sellers can already see it.

In the 30 days to 27 Aug 2026, members of the public opened 1,479 different Singapore agents' CEA records here, 1,308 of those arrivals straight from Google. 6 of those agents had claimed their page. The other 1,473 were spoken for by a page they have never seen.

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22 deals a year is the top tenth of the market.

5median12top 25%22top 10%56top 1%

Deals per agent over the last 12 months, from the CEA register.

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The record at a glance

Rental-focused record in Balestier.

Lio Ah Kooi (Sumana Lio A K) (ERA Realty Network) records a high-volume history of 148 CEA transactions, for an exceptional AgentScore of 92/100. Rentals make up most of that activity, with 38% being sales, of which 57% of sided sales had them acting for the seller. Their sales concentrate in HDB property, over roughly 9 years of recorded activity.

Synthesised from Sumana's CEA transaction record. Full breakdown below.

Verified track record

56
Recorded sales
32
Seller-side resales
0
Sales logged on FairComparisons

Seller-side resales are the deals where this agent represented an owner selling an existing home, which is the closest match to hiring them to sell yours. Recorded sales include new project launches, where the seller is the developer. 92 rental transactions are also on record. Counted from official CEA salesperson records. No sales have been logged on FairComparisons yet; this fills in as the record grows.

Deal breakdown

Sumana's 148 CEA-recorded transactions at a glance.

148DEALS
Rental (whole)69 (47%)
Resale55 (37%)
Rental (room)23 (16%)
New sale1 (1%)
Seller · 32 (57%)Buyer · 24
Which side of a sale they usually represent
Landlord · 85 (92%)Tenant · 7
Which side of a rental they usually represent

Activity over time

Sumana's recorded CEA transactions by year, sales and rentals.

9
2017
5
2018
8
2019
18
2020
23
2021
24
2022
22
2023
18
2024
13
2025
8
2026
Sales Rentals

Performance overview

Based on 148 CEA transactions recorded to date.

Property mix
HDB
61%
Condo & apartment
29%
Landed
6%
EC
3%
Represents
Landlord
57%
Seller
22%
Buyer
16%
Tenant
5%

Where Sumana is most active

Balestier/ Toa Payoh/ Serangoon
26
Serangoon Garden/ Hougang/ Punggol
9
Watten Estate/ Novena/ Thomson
6
Little India
6
Hillview/ Dairy Farm/ Bukit Panjang/ Choa Chu Kang
5

Transaction record

Every deal below is from the CEA salesperson public register. No price or address is published in this record. Verify Sumana's current CEA registration ↗

32
Sales representing the seller
24
Sales representing the buyer
92
Rental transactions

Selling a home? Sumana represented the seller in 32 of 56 recorded sales, alongside 92 rental deals.

Last recorded deal · Jun 2026
DateTypeActing forPropertyArea
Jun 2026Whole RentalLandlordCondoUpper Bukit Timah/ Clementi Park/ Ulu Pandan
May 2026Room RentalLandlordHDBKallang/Whampoa
May 2026Whole RentalTenantCondoBalestier/ Toa Payoh/ Serangoon
Mar 2026Whole RentalLandlordLandedSerangoon Garden/ Hougang/ Punggol
Mar 2026Whole RentalLandlordCondoBalestier/ Toa Payoh/ Serangoon
Feb 2026Whole RentalLandlordCondoGeylang/ Eunos
Jan 2026Whole RentalLandlordCondoSerangoon Garden/ Hougang/ Punggol
Jan 2026Whole RentalLandlordHDBGeylang
Show 52 more recorded transactions (of 148 on record)
DateTypeActing forPropertyArea
Dec 2025Room RentalLandlordHDBGeylang
Dec 2025Whole RentalLandlordHDBGeylang
Nov 2025ResaleSellerLandedPasir Panjang/ Hong Leong Garden/ Clementi New Town
Sep 2025Whole RentalLandlordCondoWatten Estate/ Novena/ Thomson
Jul 2025ResaleBuyerHDBKallang/Whampoa
Jul 2025ResaleSellerCondoSerangoon Garden/ Hougang/ Punggol
Jun 2025Room RentalLandlordCondoBalestier/ Toa Payoh/ Serangoon
Jun 2025Room RentalLandlordCondoWatten Estate/ Novena/ Thomson
Jun 2025Whole RentalLandlordCondoMacpherson/ Braddell
Jun 2025Whole RentalLandlordCondoUpper Bukit Timah/ Clementi Park/ Ulu Pandan
Apr 2025Whole RentalLandlordCondoHillview/ Dairy Farm/ Bukit Panjang/ Choa Chu Kang
Mar 2025Whole RentalTenantHDBToa Payoh
Feb 2025Whole RentalLandlordLandedSerangoon Garden/ Hougang/ Punggol
Dec 2024Whole RentalLandlordCondoBalestier/ Toa Payoh/ Serangoon
Dec 2024Whole RentalLandlordHDBBukit Merah
Nov 2024Whole RentalLandlordCondoLittle India
Oct 2024ResaleBuyerCondoBalestier/ Toa Payoh/ Serangoon
Oct 2024Room RentalLandlordHDBKallang/Whampoa
Oct 2024Room RentalLandlordHDBGeylang
Sep 2024Room RentalLandlordHDBKallang/Whampoa
Aug 2024ResaleSellerHDBGeylang
Aug 2024Whole RentalTenantCondoBalestier/ Toa Payoh/ Serangoon
Jul 2024Whole RentalLandlordCondoMacpherson/ Braddell
May 2024ResaleSellerHDBAng Mo Kio
May 2024Room RentalLandlordHDBKallang/Whampoa
May 2024Whole RentalLandlordCondoUpper Bukit Timah/ Clementi Park/ Ulu Pandan
Apr 2024Whole RentalLandlordCondoMacpherson/ Braddell
Apr 2024Whole RentalLandlordCondoHillview/ Dairy Farm/ Bukit Panjang/ Choa Chu Kang
Mar 2024Whole RentalLandlordCondoBalestier/ Toa Payoh/ Serangoon
Feb 2024Whole RentalLandlordLandedSerangoon Garden/ Hougang/ Punggol
Jan 2024Whole RentalLandlordHDBGeylang
Dec 2023ResaleSellerCondoTampines/ Pasir Ris
Nov 2023Whole RentalTenantCondoWatten Estate/ Novena/ Thomson
Nov 2023Room RentalLandlordHDBGeylang
Oct 2023Whole RentalLandlordCondoWatten Estate/ Novena/ Thomson
Aug 2023Room RentalLandlordHDBGeylang
Aug 2023Whole RentalLandlordCondoBishan/ Ang Mo Kio
Jul 2023Whole RentalLandlordCondoBalestier/ Toa Payoh/ Serangoon
Jul 2023Room RentalLandlordHDBKallang/Whampoa
Jul 2023Whole RentalLandlordCondoLittle India
Jul 2023Room RentalLandlordHDBKallang/Whampoa
Jul 2023Room RentalLandlordHDBGeylang
Jul 2023Room RentalLandlordCondoBalestier/ Toa Payoh/ Serangoon
May 2023Whole RentalLandlordHDBKallang/Whampoa
Apr 2023Whole RentalLandlordCondoHillview/ Dairy Farm/ Bukit Panjang/ Choa Chu Kang
Apr 2023Whole RentalLandlordHDBGeylang
Mar 2023ResaleBuyerHDBKallang/Whampoa
Mar 2023ResaleBuyerCondoBalestier/ Toa Payoh/ Serangoon
Mar 2023Whole RentalLandlordHDBKallang/Whampoa
Mar 2023Whole RentalLandlordLandedSerangoon Garden/ Hougang/ Punggol
Feb 2023ResaleSellerCondoSerangoon Garden/ Hougang/ Punggol
Jan 2023Whole RentalLandlordCondoBalestier/ Toa Payoh/ Serangoon

This record reflects transactions in the public CEA register. Off-market deals and very recent transactions may not appear yet, and government data is published with a lag. Spotted an error? Report it and we will check it against the source.

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Is this Sumana?

This profile is compiled from public CEA, URA and HDB transaction records. If a figure looks wrong, we will check it against the source and correct verified errors. You can also claim the profile to add context, or ask us to remove it.

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Quick answers

About Lio Ah Kooi (Sumana Lio A K), from the record.

Is Lio Ah Kooi (Sumana Lio A K) a CEA-registered property agent?

Yes. Lio Ah Kooi (Sumana Lio A K) is registered with the Council for Estate Agencies under registration number R023648B, currently with ERA Realty Network. You can verify this on the CEA Public Register.

How many property transactions does Lio Ah Kooi (Sumana Lio A K) have on record?

148 transactions are attributed to Lio Ah Kooi (Sumana Lio A K) in CEA's public transaction records. The full breakdown by property type, transaction type and side is shown on this page.

What is Lio Ah Kooi (Sumana Lio A K)'s AgentScore?

92/100. AgentScore is computed by FairComparisons from public CEA, URA and HDB records, weighing transaction volume, recent activity, market diversity and experience. Rankings cannot be bought or edited by any agent.

Which area is Lio Ah Kooi (Sumana Lio A K) most active in?

Kallang/Whampoa, based on the location of Lio Ah Kooi (Sumana Lio A K)'s recorded transactions.

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