Reimagining construction with technology and expertise
Empowering architects, engineers, quantity surveyors, construction managers and contractors in East Africa with smarter construction software. JengaLex is live now!
The Goldberry Story
From hands-on construction to AI-powered solutions transforming East African Construction
Goldberry Investments Ltd was founded as a design-build contractor and quickly earned a reputation for delivering high quality construction on time and within budget. Our experience revealed gaps in how practitioners plan, estimate, and manage building costs.
Today, we are building on this foundation to pioneer construction technology (contech) solutions that empower architects, engineers, quantity surveyors, contractors, and project managers in Kenya, East Africa and beyond.
Our Edge in Construction Tech
Deep construction expertise + tech innovation: Built from real-world experience for real-world challenges.
Local knowledge of Kenya & East Africa: Tailored to regional markets, regulations, and workflows.
AI-driven efficiency & accuracy: Technology that saves time and reduces errors.
AI Powered Tools for Modern Construction Professionals
Purpose-built software solutions designed to empower decision-making and streamline construction workflows
JengaLex
Your AI powered guide to building codes, contracts and construction standards
Get fast, reliable answers and plain-language explanations - all aligned with Kenyan and East African construction standards.
Cost Master
AI powered construction cost management
Produce clear, reliable construction cost estimates in minutes - powered by real East African material, labour, and equipment data. Work from site or office with local rates and AI-ready tools that simplify takeoff, pricing, and reporting for fast, accurate and reliable results.
Your Workflow, Simplified
Modern software built to simplify costing, documentation, and decision-making across your projects
Ask
TYPE YOUR QUESTION
Simply ask about building codes, contracts, or construction standards in plain language.
Get Guidance
CLEAR, PROFESSIONAL ANSWERS
Receive expert-level guidance based on official Kenyan Building Code and East African SMM.
Apply Confidently
USE INSIGHTS IN YOUR WORK
Implement the guidance in your projects with confidence, knowing you're compliant.
Set Your Rates
BUILD YOUR CUSTOM RATES LIBRARY
Create or import your own material, labour, and equipment rates, or use Cost Master's curated local rates. Generate accurate unit rates using first principles and up-to-date cost data.
Prepare Your BoQs
FAST, ACCURATE BILLS OF QUANTITIES
Take off quantities for your project, then generate BoQs using your rate library. Cost Master leverages AI to create professional item descriptions, automating repetitive tasks and keeping everything consistent.
Track & Update
REAL-TIME COST MONITORING
Stay on top of price changes before and during construction. Cost Master alerts you to variations and helps you update your costs so your estimates stay accurate.
Smart Features. Real-World Benefits.
AI-powered features that streamline workflows, cut costs, boost productivity, and ensure confident, compliant project delivery.
Instant Answers on Codes & Contracts
Get immediate responses to your building code and contract questions
AI-assisted interpretation of construction specifications
Clear explanations of material and workmanship requirements
Kenyan Building Code Compliance
All advice follows official regulations and technical standards for your region
Plain Language Explanations
Complex regulations explained in simple, understandable terms
Multi-Platform Access
Access your construction assistant anywhere, anytime on any device
AI-Generated BoQ Descriptions
Let AI write professional, SMM-compliant item descriptions
First-Principles Rate Builder
Build custom unit rates transparently from materials, labour, plant, and overheads
Localized Cost Data Library
Access up-to-date material and labour costs specific to Kenya and East African markets
Mobile-First BoQ Preparation
Prepare and edit Bills of Quantities directly from your phone or tablet
Real-Time Cost Tracking
Monitor actual costs against budgets as construction progresses
Professional Reporting Suite
Generate schedules, summaries, and cost reports instantly in PDF or Excel
Team & Access Control
Manage multiple projects with secure team-based or individual access
Fast Material & Labour Schedules
Automatically extract schedules from your BoQ with no manual consolidation
The Latest from the Goldberry Newsroom
Official updates, product announcements, expert insights, and the latest press coverage from Goldberry
JengaLex: The AI Expert for Construction Contracts and Regulations in Kenya
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A New Year of Building Smarter
Laying the foundation for better construction decisions with JengaLex and Cost Master...
Construction Glossary
Your comprehensive guide to construction terminology, abbreviations, and industry standards in Kenya and East Africa
Direct Contractor
A contractor engaged directly by the employer to carry out specific work on the site, distinct from the main contractor.
View Full Definition
Ready to Transform Your
Construction Workflow?
JengaLex is now live! Get instant, accurate guidance on building codes, contracts, and standards. Join construction professionals across Kenya already using JengaLex.
Interested in Cost Master? Join the waitlist
Join the Cost Master Waitlist
Be first to access our AI-powered construction cost management platform when it launches.