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Reimagining construction with technology and expertise

Empowering architects, engineers, quantity surveyors, construction managers and contractors in East Africa with smarter construction software.

Cost Master application on a mobile phone

The Goldberry Story

From hands-on construction to AI-powered solutions transforming East African Construction

Ernest Nyakundi

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

Builder's Counsel

Builder's Counsel

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.

Instant answers on codes and contracts
Guidance aligned with local codes and standards
AI-generated construction specifications
Clear, plain-language explanations
Learn More About Builder's Counsel
Cost Master

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.

Smart, customizable rate libraries
Automated BoQ descriptions
Instant cost summaries for every trade
One-tap exports for PDF, Excel & sharing
Learn More About Cost Master

Your Workflow, Simplified

Modern software built to simplify costing, documentation, and decision-making across your projects

01

Ask

TYPE YOUR QUESTION

Simply ask about building codes, contracts, or construction standards in plain language.

02

Get Guidance

CLEAR, PROFESSIONAL ANSWERS

Receive expert-level guidance based on official Kenyan Building Code and East African SMM.

03

Apply Confidently

USE INSIGHTS IN YOUR WORK

Implement the guidance in your projects with confidence, knowing you're compliant.

01

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.

02

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.

03

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.

Builder's Counsel

Instant Answers on Codes & Contracts

Get immediate responses to your building code and contract questions

Builder's Counsel

AI-assisted interpretation of construction specifications

Clear explanations of material and workmanship requirements

Builder's Counsel

Kenyan Building Code Compliance

All advice follows official regulations and technical standards for your region

Builder's Counsel

Plain Language Explanations

Complex regulations explained in simple, understandable terms

Builder's Counsel

Multi-Platform Access

Access your construction assistant anywhere, anytime on any device

Cost Master

AI-Generated BoQ Descriptions

Let AI write professional, SMM-compliant item descriptions

Cost Master

First-Principles Rate Builder

Build custom unit rates transparently from materials, labour, plant, and overheads

Cost Master

Localized Cost Data Library

Access up-to-date material and labour costs specific to Kenya and East African markets

Cost Master

Mobile-First BoQ Preparation

Prepare and edit Bills of Quantities directly from your phone or tablet

Cost Master

Real-Time Cost Tracking

Monitor actual costs against budgets as construction progresses

Cost Master

Professional Reporting Suite

Generate schedules, summaries, and cost reports instantly in PDF or Excel

Cost Master

Team & Access Control

Manage multiple projects with secure team-based or individual access

Cost Master

Fast Material & Labour Schedules

Automatically extract schedules from your BoQ with no manual consolidation

Construction Glossary

Your comprehensive guide to construction terminology, abbreviations, and industry standards in Kenya and East Africa

Popular: #BoQ #SMM
Contract Forms & Suites Random Term

Green Book

Short Form of Contract recommended for engineering and building work of relatively small capital value.

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