HEAD OFFICE
21, Water Corporation Drive,
Off Ligali Ayorinde Street,
Victoria Island,
Lagos, Nigeria
E-mail :
ecare@cornerstone.com.ng (Sales Enquiries & Support)
enquiries@cornerstone.com.ng (Corporate Enquiries, Feedbacks & Complaints)
ClaimsCare@cornerstone.com.ng (Claims Lodgement, Enquiries & Complaints)
Telephone Numbers:
07086216957 (Sales Enquiries & Support)
01-2806500 & 0700 CORNERSTONE (0700 267 63778663) (Corporate Enquiries, Feedbacks & Complaints)
ABEOKUTA (Sales Outlet)
Agbeloba Building, 56,
Quarry Road, Abeokuta,
Ogun State
Tel : 0802 874 8810
IKORODU (Sales Outlet)
134 Lagos Road,
Ikorodu,
Lagos State
Tel : 01-2806500
PORT HARCOURT
222, Aba Road,
Port Harcourt,
River State
Tel :  01-2806500
ABUJA
34, Gana street,
Maitama, Abuja
Tel : 0803 502 6956
IKOTA SHOPPING COMPLEX (Sales Outlet)
Road 2. Block E, Shop 154,
Ikota Shopping Complex
VGC, Lekki – Ajah Expressway,
Lagos State
Tel :
01-2806500
SULEJA (Sales Outlet)
7 Suleiman Barau Road,
Suleja,
Niger State
Tel : 0805 511 1604
APAPA (Sales Outlet)
Polysonic Mall (2nd Floor)
1B, Point Road,
Apapa, Lagos State
Tel : 01-2806500
ILORIN (Sales Outlet)
3, Sokoto Road
Sabo Oke, Ilorin,
Kwara State
Tel :
0802 060 3197
UYO
17B, Wellington Bassey Way,
Uyo, Akwa Ibom State,
Nigeria
Tel : 0813 045 5433
FESTAC (Sales Outlet)
Suite 101A PIN Plaza
Opposite H Close,
First Avenue Festac Town,
Lagos State
Tel : 01-2806500
KANO
103 Hadejia Road,
Fagge,
Kano State
Tel :
0703 343 8119
WARRI
Km 4, Refinery Road,
Thomas House, Ekpan,
Warri,
Delta State
Tel : 08032127487
IBADAN
67, Aboderin Layout ,
Oni & Sons Area
Ring Road, Ibadan,
Oyo State
Tel : 0802 909 4320
LAGOS ISLAND
Cornerstone House
136, Lewis Street
Obalende,
Lagos State
Tel : 
01-2806500
YABA
191, Herbert Macaulay Street
Opp. Yaba LGA Secretariat,
Yaba,
Lagos State
Tel : 01-2806500
IKEJA
Swiss Guard House, 6, Adeniyi Jones Avenue,
(Opposite Wahum) Ikeja,
Lagos State
Tel : 0818 779 6014
OWERRI (Sales Outlet)
No. 67, Okigwe Road,
Owerri,
Imo State.
Tel : 0803 541 8019
YENOGOA (Sales Outlet)
Jay Cee Plaza, Otiotio Road,
Yenezue Gene,
Yenagoa,
Bayelsa State
Tel :
0803 741 1444