We ensure sustained behavior change and drive increased sales performance. Learn more

Sales Effectiveness Solutions by Cosine deliver proven content, deep customization, and expert perspective to help you meet your exact development needs.
Cosine’s customized solutions helps leaders prepare their organizations to execute sales strategies and achieve business objectives.
At Cosine, we seek to partner with you to develop continuous learning solutions that help change behaviors, enhance the effectiveness of your sales organization.

Services/Key Offerings

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National Innovation Diploma

We offer Diploma and Certificate Courses leading to award of National Innovation Diploma (NID) in Computer

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Heartland Space

Heartland Space provides coworking spaces where entreprenuers, freelancers, startups and companies can work at the fraction of the cost.

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MSME Support

With little or no interest by tertiary institutions in Nigeria (especially those in the southeast) in developing customized and credentialed courses suited for

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Trusted Advisor Training

Cosine’s Trusted Advisor Training Program teaches the skills to develop a trusted, preferred provider.

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Heartland Incubation Hub

Heartland Technology Incubation Hub is established to solve the problem of inadequate support structure, mentorship

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Sales Training. Sales Coaching. Selling Skills.
Action Selling Consistently Improves Sales Productivity


Awarded Top Sales Training Company

since 1990, over 400,000 salespeople have been certified on the skills of Cosine. These skills are proven to produce the greatest gains in sales performance. Cosine has been recognized by industry leaders and many business publications.

Tailored training solutions, delivered cost-effectively

In fact, we designed our programs and materials to be quickly and economically adaptable for any audience, without sacrificing the quality or integrity of the training solution.

Smart planning and execution around change

We take a broader, more holistic view of all of the factors that influence the desired changes, and help clients develop and execute the strategies and processes needed to implement these changes and ensure lasting results.

Customer Success

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