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Mercy Koech

Founder & Lead Writer

Accepting new projects

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Response-time promise: every enquiry gets a personal reply within 4 working hours, and a full quote within one business day.

Working hours (EAT, UTC+3)

Monday – Friday8:00 – 18:00
Saturday9:00 – 13:00
SundayClosed (rush projects by arrangement)

About Mercy

Mercy founded Sonata.online after years of writing for SaaS, fintech and e-commerce teams across Africa, Europe and North America. She leads every project personally, from brief to final read, and works with a small network of vetted native-speaker linguists for localization.

Based in Nairobi, writing for brands worldwide.

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