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Sierlab Edition · 2026
DIGITAL SOLUTION SUITE01 / 04Nairobi · Live

FLAGSHIP SOLUTION· NAIROBI · LIVE

Custom Web
Applications

Built for Your Workflow

Management systems, dashboards, and business apps using React, Next.js, and Node.js — tailored to how you operate.

💻 MIS Systems📊 Dashboards🔐 Role-based Access
Explore Web AppsTalk on WhatsApp
💻

DIGITAL SOLUTION SUITE

Web Applications

Built for Your Workflow

40+Projects
100%Happy
24/7Support
SERIAL #SL-02401✨ 🚀

E-COMMERCE· NAIROBI · LIVE

Online Store
Platforms

Sell Anywhere in Kenya

Launch your store with M-Pesa checkout, inventory sync, order tracking, and mobile-ready storefronts in days.

🛒 Storefronts💚 M-Pesa Checkout📦 Order Tracking
Explore E-CommerceTalk on WhatsApp
🛒

DIGITAL SOLUTION SUITE

E-Commerce

Sell Anywhere in Kenya

30+Stores
M-PesaReady
SEOBuilt-in
SERIAL #SL-02402✨ 🚀

INTEGRATIONS· NAIROBI · LIVE

API & Payment
Connections

M-Pesa · Banks · Cards

STK Push, bank APIs, Stripe, PayPal, and custom REST integrations — connect your software to any gateway.

💚 M-Pesa Daraja🏦 Bank APIs💳 Stripe & PayPal
Get Integration QuoteTalk on WhatsApp
🔗

DIGITAL SOLUTION SUITE

API Integrations

M-Pesa · Banks · Cards

50+APIs
LiveCallbacks
REST& SOAP
SERIAL #SL-02403✨ 🚀

GROWTH & SECURITY· NAIROBI · LIVE

Websites &
Cybersecurity

Design · SEO · Protection

High-performance websites, SEO that ranks, and security consulting to keep your business safe online.

🎨 Web Design📈 SEO🛡️ Security Audits
View Design ServicesTalk on WhatsApp
🚀

DIGITAL SOLUTION SUITE

Digital Growth

Design · SEO · Protection

FastSites
TopSEO
SafeSecure
SERIAL #SL-02404✨ 🚀
Auto · 6s
40+
Projects delivered
5+
Years in business
98%
Client retention
24/7
Support options
Scroll↓
★ Custom Web Applications★ E-Commerce Development★ M-Pesa & Payment APIs★ Website & Landing Pages★ SEO Optimization★ Cybersecurity Consulting★ Custom Web Applications★ E-Commerce Development★ M-Pesa & Payment APIs★ Website & Landing Pages★ SEO Optimization★ Cybersecurity Consulting

Our Services

Solutions We Build

Battle-tested services for Kenyan and African businesses — from concept to deployment in weeks, not months.

Core Service
💻

Custom Web Applications

Management & Business Systems

We build custom web applications with React, Next.js, and Node.js — from HR and payroll to inventory, finance, and hospital operations. Every module reflects your workflows, not a generic template.

  • Custom dashboards, modules, and reporting
  • Role-based access and permissions
  • Workflow automation & approvals
  • Multi-branch / multi-tenant support
  • React & Next.js frontends
  • REST APIs and secure databases
Learn more
Popular
🛒

E-Commerce Development

Online Store Platforms

Sell online with a storefront tailored to your brand — product catalog, inventory, order tracking, and checkout flows optimized for Kenya, including M-Pesa STK Push and international cards.

  • Product catalog, variants & inventory
  • M-Pesa STK Push & card checkout
  • Cart, coupons & abandoned-cart flows
  • Order, delivery & customer notifications
  • SEO-friendly product pages
  • Google Analytics & Meta Pixel
Learn more
Design
🎨

Website & Landing Page Design

High-Performance Marketing Sites

We design and develop marketing websites and landing pages with clear messaging, strong CTAs, and performance that scores well on Core Web Vitals — so your brand looks professional and loads fast on mobile.

  • Mobile-first, brand-aligned layouts
  • Conversion-focused page structure
  • Accessible typography & contrast
  • Illustration & icon direction
  • Next.js for speed & SEO
  • Contact forms & CRM hooks
Learn more
Integrations
🔗

API Integration Services

Payments & Third-Party Connectors

Connect your product to M-Pesa Daraja, banks, Stripe, PayPal, CRMs, and custom REST or SOAP APIs. We handle auth, webhooks, retries, logging, and documentation so integrations stay maintainable.

  • M-Pesa STK Push, callbacks & reconciliation
  • Stripe, PayPal, Flutterwave
  • Bank transfer & payout APIs
  • Idempotent payment handling
  • ERP, CRM & accounting connectors
  • Webhook receivers & dispatchers
Learn more
📈

SEO Optimization

Search Visibility & Performance

Improve how search engines and users experience your site — technical audits, on-page optimization, Core Web Vitals, structured data, and local SEO tuned for Kenya and regional markets.

  • Crawlability, indexing & sitemap fixes
  • Core Web Vitals improvements
  • Schema & structured data
  • HTTPS, redirects & canonical tags
  • Keyword research & page mapping
  • Title, meta & heading optimization
Learn more
🛡️

Cybersecurity Consulting

Assessments & Risk Reduction

Protect your business with security assessments, penetration testing, policy guidance, and practical remediation — aligned to how SMEs and enterprises in Kenya actually operate.

  • Vulnerability scanning & prioritization
  • Penetration testing (web & API)
  • Configuration & access reviews
  • Third-party risk checklist
  • Actionable fix roadmap
  • Incident response playbooks
Learn more

Need a Custom Solution?

Don't see exactly what you need? We build bespoke software tailored to your unique requirements.

Request Custom BuildChat on WhatsApp

Payment & API Integrations

What We Integrate

We connect your software to any payment gateway or third-party API — fast and reliably.

💚

M-Pesa Integration

STK Push, C2B, B2C, paybill, till number, and transaction callbacks — seamless out of the box.

🏦

Bank Payment APIs

KCB, Equity, Co-op, NCBA, Stanbic and more for real-time bank-to-system payments.

💳

Card Payments

Visa, Mastercard via Stripe, Flutterwave with 3D Secure and recurring billing support.

🌍

PayPal Integration

Accept international payments with checkout, IPN webhooks, and multi-currency support.

⚡

Stripe & More

Stripe, Twilio, HubSpot, Slack, Zapier — we connect your stack to any modern API.

🔗

Custom API Integration

REST & SOAP APIs, webhooks, ERP/CRM connectors, and full API documentation.

View All Integrations

All Industries

Tailored for You

Smart solutions for every sector — we adapt our expertise to your industry's unique needs.

🏪

Retail

POS & Inventory Systems

🏥

Healthcare

Clinic & Hospital Systems

🏢

Enterprise

Business Solutions

🛒

E-Commerce

Online Store Platforms

📚

Education

Learning Management

🚀

Startups

MVP & Scale-up Tech

Client Testimonials

What Our Clients Say

Real results from businesses across Kenya.

★★★★★
“Sierlab built our inventory system from scratch. Tracking stock and sales is now effortless — exactly what we needed.”
SM
Sarah MwangiOperations Director, Nairobi retail
★★★★★
“Our store went live in weeks with M-Pesa checkout integrated. Clear communication and solid engineering throughout.”
JK
James KariukiFounder, online retail brand
★★★★★
“They digitized patient scheduling and records. No more paper chaos — it's been a game changer for our clinic.”
GW
Dr. Grace WanjikuClinic director, Westlands

Talk to Us Today

Ready to Transform Your Business?

Fill out the form below or contact us directly. We'll get back to you within 24 hours.

Send Us a Message

💬
WhatsApp+254 731 824 251 — Chat instantly
✉️
Emailinfo@sierlab.com
📍
LocationLumumba Drive, Roysambu — Nairobi, Kenya 🇰🇪
🕐
Business HoursMon – Fri, 8AM – 6PM
Full contact page →
Sierlab

Sierlab embarks on a journey of innovating and building smart digital solutions for businesses across Kenya and beyond.

Lumumba Drive, Roysambu, Nairobi, Kenya 🇰🇪

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