About Expertise Experience Work Education Contact
in @ AV
Open to Opportunities  ·  Accra, Ghana
Hello, I'm

Aaron
Tetteh Charway

A versatile financial professional who transforms complex data into clear, actionable insights that drive strategic decisions and measurable business results. I thrive at the intersection of numbers, strategy, and execution.

Consulting engagements through Addvest Investment Co. Ltd

Aaron Tetteh Charway

Aaron Tetteh Charway  ·  FMVA®
6+
Years Experience
FMVA®
CFI Certified
MSc
Industrial Finance
5+
Sectors Served
About Me

Numbers, Strategy,
and Execution

I am a versatile and detail-oriented financial professional with robust expertise in Financial Analysis, Business Intelligence, and Strategic Planning. FMVA-certified with hands-on experience in Excel, Power BI, and Analytics, I specialize in transforming complex data into clear, actionable insights that drive strategic decisions and measurable business results.

I have a conscientious work ethic and an optimistic mindset. I am passionate about continuous learning and thrive in collaborative environments where I can contribute, grow, and lead impactful projects. Beyond the numbers, I also build the digital systems that support them. From enterprise payroll infrastructure to production web applications.

I believe the sky is not the limit but just the starting point.

Current Role
Assistant Manager, Finance & Accounts
Golden Mainland Ghana Limited  ·  Full-time
Freelance Research
Business Research & Analysis Officer
Lexicon Holdings Inc.  ·  Jul 2023 – Present
Consulting
Addvest Investment Co. Ltd
aaron@addvestltd.com  ·  addvestltd.com
Location
Accra, Greater Accra Region, Ghana
Available for remote & international engagements
What I Do

Core Expertise

01 / 06
Financial Modeling

Multi-scenario financial models for real decision-making. Revenue projections, sensitivity analysis, cash flow forecasting, and investor-ready dashboards across construction, energy, transport and commercial sectors.

ExcelDCFScenariosFP&A
02 / 06
Business Intelligence

Designing financial dashboards that deliver real-time insight into KPIs. Translating raw data into executive-ready reports that support strategic planning at board level.

Power BIAnalyticsKPI ReportingDashboards
03 / 06
Accounting Systems

Full double-entry accounting infrastructure for NGOs, SMEs, and corporations. Chart of accounts, trial balance, income statements, balance sheets.

Double-EntryNGO FinanceIFRSGRA Compliance
04 / 06
Payroll Systems

Country-specific payroll infrastructure handling multi-currency remuneration, statutory deductions, tax band calculations, and payslip generation for Ghana and Guyana environments.

PAYENISMulti-currencyopenpyxl
05 / 06
Market Research

Cross country research, market analysis, and product development studies with a focus on strategic market entry, risks evaluation and growth potential.

Country ResearchCompetitive AnalysisMarket Entry
06 / 06
Digital Systems

Production-grade web platforms and admin systems: from multi-school student identity management to corporate portals. Full stack with real attention to usability and design quality.

PHP / MySQLHTML / CSS / JSAdmin Panels
Experience

Professional Journey

May 2023 – Present
Golden Mainland Ghana Limited
Accra, Ghana
Full-time  ·  3 yrs+
Assistant Manager, Finance & Accounts

Supporting strategic decision-making by analyzing financial trends, tracking performance, and providing recommendations to leadership. Working closely with the Head of Department to assess the company's financial position and identify actionable steps for improvement.

Implemented a new financial analysis framework that improved reporting accuracy and reduced the monthly close by 3 days
Partnered with executive leadership on financial plans that delivered a 12% reduction in operating costs
Managed external auditor relationships and ensured full compliance with relevant financial regulations
Handled VAT returns, Withholding Taxes, SSNIT contributions, and payroll compliance
Financial AnalysisBudget ConsolidationMS Office 365 & Google workspaceFactura
Jul 2023 – Present
Lexicon Holdings Inc.
Seasonal
Part-time  ·  2 yrs+
Business Research & Analysis Officer

Leading strategic market research alongside core finance work, supporting high-level business planning across multiple regions and sectors.

Led a team of five analysts conducting country research and product development studies
Pioneered market entry research for three new countries, evaluating risks and growth potential
Designed and executed financial models and sensitivity analyses for investment proposals
Market ResearchData AnalysisBusiness Analysis
Jan 2022 – May 2023
Golden Mainland Ghana Limited
Accra, Ghana
Full-time  ·  1 yr 5 mos
Business Financial Analyst

Designed and tracked financial performance against plan for 10+ projects. Analyzed market conditions for strategic management decisions and built financial dashboards providing real-time insight into KPIs.

Developed annual and quarterly budgeting processes that decreased costs by 10% after the first quarter
Designed an Asset Acquisition Strategy to optimize Return on Assets (ROA)
Reconciled transactions across Banks, Suppliers, and Debtors monthly through cross-referencing
Variance ReportsGeneral AccountsFinancial Dashboards
Jul 2020 – Dec 2021
Golden Mainland Ghana Limited
Accra, Ghana
Contract  ·  1 yr 6 mos
Project Finance & Analysis Officer

Managed financial aspects of multiple construction projects, designed internal controls, and prepared project financial statements, cash flow forecasts, and budget-to-actual reports.

Collaborated on implementation of a new project accounting system, enhancing tracking efficiency and financial transparency
Managed combined project budgets exceeding GHS 90M across multiple concurrent projects
Project FinanceCash Flow ForecastsInternal Controls
Our Portfolio

Some Selected Projects

NGO Financial System
Sow and Grow Ghana: Complete Financial Management System

A 14-sheet Excel workbook covering the full accounting cycle for a registered NGO. Double-entry journal, trial balance, Statement of Financial Position, Statement of Financial Activities (SOFA), indirect cash flow statement, fixed asset schedule, donor fund analysis, and 19 notes to the accounts. Built to international NPO reporting standards with a live financial dashboard.

Excel / openpyxlNGO AccountingDouble-EntrySOFADonor Fund TrackingLive Dashboard
Payroll System
Lexicon Holdings: Dual-Currency Payroll Infrastructure

Full payroll infrastructure for a Guyana-based electrical and civil engineering firm. GYD/USD dual currency, Guyana income tax bands, NIS contributions, automated payslip generation, journal entries, and bank reconciliation.

ExcelGYD / USDNIS CompliancePayslip Engine
Construction Finance
Commercial Construction Project: 18-Month Financial Model

Full financial model for a major commercial construction contract in Ghana. Covering P&L summary, milestone-based cash flow, free cash flow analysis, debt schedule, balance sheet projections, scenario analysis, and sensitivity analysis across the full project period.

Cash Flow ModelingP&LSensitivity AnalysisVAT / GETFund
Energy Sector
EV Charging Network: 10-Year Financial Projection Model

Comprehensive financial model for an EV charging infrastructure rollout across Ghana. Multi-site revenue and OPEX projections, tariff escalation, energy cost modeling, CAPEX schedules, and multi-scenario IRR and NPV analysis across a 10-year horizon.

EV Infrastructure10-Year ProjectionCAPEX / OPEXIRR / NPV
EdTech Platform
KobbyTee SIMS: Student Identity Management Platform

A production PHP/MySQL multi-school student ID card management system for residential high schools. Super admin panel, per-school user management, bulk CSV import, bulk photo upload with image processing, ZIP export of card-ready assets, analytics, and session security.

PHP / MySQLMulti-tenantBulk OperationsAdmin Panel
Business Proposal
Virtual Data Room Development Proposal, EV Station Project Proposal

An investment-grade project proposal for a Virtual Data Room development and EV Station engagement under Addvest Investment Co. Clear scoping, technical architecture overview, delivery timeline, and commercial terms.

Project ScopingVDR ArchitectureAddvest
Small Business
Small Business Bookkeeping System

A clean, user-friendly Excel bookkeeping system for SMEs. Full-year income tracking, gross profit calculation, expense categorization, bank balance reconciliation, and a summary dashboard for quick business performance review.

ExcelSME FinanceP&LDashboard
Corporate Web
Lexicon Holdings Inc.: Corporate Website

A full multi-page corporate website for Lexicon Holdings Inc., a Guyana-based engineering and construction holding company. Professional design with service pages, about section, blog, and contact: Built to support client acquisition and corporate credibility.

HTML / CSS / JSCorporate WebResponsive Design
Corporate Web
Stitch Digitals.: Corporate Website

A full multi-page corporate website for Stitch Digital., a Ghana-based smart technology company. Professional design with service pages, about section, and contact. Built to support client integration and corporate visibility.

HTML / CSS / JSCorporate WebResponsive Design
Education & Credentials

Academic Foundation

Kwame Nkrumah University of Science & Technology
MSc, Industrial Finance & Investment
Jan 2025 – Dec 2025

Focused on advanced financial management, investment analysis, and industrial economics. Research: Asymmetric spillover analysis of commodity price shocks on frontier stock markets.

Corporate Finance Institute® (CFI)
FMVA® — Financial Modeling & Valuation Analyst
Jul 2022 – Sep 2022

Multi-year financial forecast modeling. Income statement, cash flow, and balance sheet projections. Capital budgeting and problem-solving in real-world financial scenarios.

Kwame Nkrumah University of Science & Technology
BSc, Actuarial Science
Sep 2014 – Jul 2018

Corporate Finance and Inventory Control Management. Insurance and Risk. Applied data analytics across mathematics and actuarial science using ERP systems and Spotfire.

"

Aaron consistently demonstrated a deep understanding of financial dynamics, coupled with a strategic mindset that added immense value to our work. His ability to provide tailored, data-driven insights and actionable advice ensured that project outcomes not only met but exceeded expectations; always within the required timelines. His professionalism, attention to detail, and collaborative approach made him an invaluable asset to our team.

George Osei-Wusu Mensah, C.Eng, MBA, M.ASCE, M.GhIE, PMI
Civil Engineer & Project Manager  ·  Construction Management
Contact

Ready to build
something serious?

Whether you need a financial model that holds up under scrutiny, a system built to last, or a proposal that wins the room; Reach out and let's talk about what you need.

Consulting engagements through Addvest Investment Co. Ltd  ·  aaron@addvestltd.com