Many organizations especially marketing firms in Nigeria have experienced many challenges in
relation to data security, accountability and integrity which is the motivation that prompted this
meta-synthesis research. Block chain technology has gained increasing attention as a technology
with a wide range of applications in various fields. Particularly, in the field of marketing, block
chain technology facilitates disintermediation, enhances trust and transparency, avoids fraud, and
reduces overall marketing cost. Block chain technology has disrupted the traditional approaches
of marketing and introduced the contemporary and disruptive innovative marketing framework
using its unique capabilities of decentralization, security, trust and transparency. Block chain
technology supports and builds a strong connection with customers, regaining customer and
loyalty, and designing more effective marketing strategies based on direct communication with
consumers trust. Block chain provides sustainable data transparency, accountability and security
in marketing organizations in Nigeria. Therefore, this study examined blockchain technology and
how it can be used to foster sustainable data transparency, accountability and security in Nigeria.
Relevant literature was reviewed with special focus on meta-synthesis literature analysis of the
study constructs. The study found that blockchain technology offers more secured, accountable
and transparent database for sustainable consumer trust. Therefore, this study has provided an
insight that blockchain technology is a powerful enabler of sustainable data security,
accountability and security in Nigerian marketing firms. This study recommended that block chain
technology must be prioritized and sustained in marketing oriented organizations and beyond.