Psychological Marketing Agency

Who We ARE

Europe’s First Psychological Marketing Agency Menteli

Profit more—by making your customers feel great

MENTELI is a unique agency at the intersection of psychology and marketing. We specialize in customer experience (CX), user experience (UX), and loyalty strategy—bringing emotional satisfaction into every step of the customer journey.

By combining analytical thinking, advanced marketing and advertising tools, and a deep understanding of human behavior, we help B2C service businesses grow sustainably and stand out from competitors on a whole new level.

We turn your customers into fans of your company

● Customer Journey OptimizationWe help you create or refine customer paths and enrich them with meaningful impressions—so your customers return, recommend you, and feel genuinely connected to your brand.
● CX & UX EnhancementsOur team improves the user experience and develops custom CX strategies that increase customer retention and brand loyalty.
● Loyalty Program DevelopmentBuild loyalty programs that feel personal, rewarding, and engaging—designed to boost LTV and minimize churn.
● Marketing Insurance Program (Perfect for New Businesses)Worried about wasting your advertising budget? Get expert guidance and a complete audit of your campaign settings to ensure you're on the right track.
● Digital StrategyAt MENTELI, we help B2C service businesses build effective digital strategies that drive real results.

What We Do

Increase LTV & ROI

Our solutions

About the founder

OLIA LANGE

CEO | FOUNDER

I bring 10+ years of experience in marketing as a Head of Marketing across several industries, including construction, healthcare, retail, and education. My educational background is in analysis and forecasting. Additionally, I have dedicated significant time to studying and researching psychological principles, such as cognitive distortions and the psychological factors behind human decision-making, as part of my PhD dissertation.My expertise in marketing tools includes analysis, advertising, digital marketing, USP development, and marketing strategy.

Topornikov S.

Commercial DirectorReal Estate Agency "PIA Real Estate"

For nearly two years our agency cooperated with the marketing agency headed by Olga Lange. During this period, we received not only professional support but also a non-standard, creative approach that delivered tangible, practical results.We would especially like to highlight the effective work on segmenting target audiences [...]. In addition to digital channels, the agency offered a number of original and economically efficient offline solutions. For example, the “Horrors of a Real Estate Buyer” brochures [...]. This approach proved to be a simple and effective way to build an emotional connection with the local community.Working with Olga Lange has always been a combination of professionalism, reliability, and genuine engagement. We confidently recommend her as a specialist with whom it is both pleasant and productive to cooperate.

October 2017

Ekaterina M.

Entrepreneur, Finland

“Olia demonstrated a solid understanding of marketing principles, campaign planning and execution and exhibited strong analytical and problem-solving skills. Her proficiency in using online marketing tools [...] was impressive and contributed significantly to our campaign objectives. Additionally, she displayed excellent communication and teamwork abilities. Her performance reflected a high level of professionalism.”

May 2024

Nikita P.

SSL Group

HR brand service.“You definitely know your stuff! We recruit 10 logisticians per month now, whereas before, we were recruiting just one per year—and they weren’t really up to standard. We’d love to work exclusively with you!”

December 2020

Jakob S.

Art Gallery

“I like the way you work! Take my friend as a client. Can I give him your contacts?”

January 2021

Maksim D.

Big Bag

“We were pleased to cooperate with you! It's great to choose a brand style from options you like, rather than picking the best from those you don't.”

June 2018

Write us

Contacts

moc.liamg%40ycnega.iletnem

+358 40 328 60 84