S.01
Web Development
Fast, accessible websites and web platforms built to perform beautifully on every connection.
Ghana · Building for Africa
We build smart digital marketplaces,
websites and AI tools.
SEM TECHS helps Ghanaian businesses move forward — from marketplace apps and AI tools to advertising and digital marketing that gets you in front of more customers.
01 / About
Useful technology for real life
SEM TECHS is a Ghana-based technology brand building practical digital products for people and businesses across Africa. From marketplace apps and websites to AI tools, creative work and advertising for businesses, we turn ideas into tools people actually use.
We combine clear design, solid engineering and local understanding, so what we build keeps working long after launch.
Founded by Seme Richmond.
02 / Services
Six disciplines, one standard
Technology & Digital Products
S.02
Mobile & App Development
Thoughtful mobile experiences that make everyday tasks feel clear, fast, and dependable.
S.03
AI Integration
Practical AI tools and automations designed around real business needs—not novelty.
S.04
Digital Marketplaces
Multi-vendor platforms with intuitive discovery, local payments, and room to scale.
Growth & Creative
S.05
Digital Advertising
Reach thousands of followers across our WhatsApp channels and digital platforms through sponsored posts, product promotions and targeted campaigns.
S.06
Creative Services
Professional video editing, photo retouching, branding, flyers, social media designs, and visual content.
03 / Why us
Why Choose SEM TECHS?
Built for Real Needs
We build practical digital solutions designed to solve real problems.
Technology + Reach
We combine technology, digital products and a powerful audience network to help businesses grow.
Built for Africa
Our solutions are designed with African businesses, creators and digital users in mind.
From Idea to Execution
We help turn ideas into functional digital products, from development to launch and growth.
04 / Advertise
Reach an audience of thousands of followers
Promote your business, product or event across our combined pages. We offer sponsored posts, promotions and full campaign management.
Advertise With Us05 / Projects
Selected builds
Flagship
SEM TECHS Marketplace
A digital marketplace concept designed to connect trusted sellers with buyers through simple discovery, clear product information, and a mobile-first shopping experience.
MarketplaceMobile-firstLocal commerce
Data platform
Fastgigs
A digital marketplace where resellers can buy and manage mobile data bundles for their customers.
Data bundlesReseller toolsCustomer management
15+
Projects completed
1K+
Happy clients served via our marketplace
6
Core services
06 / Contact
Tell us what you want to build
Have an idea, a challenge, or an existing product that needs work? Send a message and let’s start the conversation.