Development Planning
Governance & Development

Building Frameworks for the Future

Aligning national development plans with global frameworks and enhancing institutional capacity through targeted governance reform.

Meet Our Experts
Geospatial Technology
Geospatial & Tax Reform

Unlocking Revenue with Geospatial Tech

We utilize advanced GIS and spatial analytics to revolutionize tax systems, enhance compliance, and expand the revenue base.

Effective Governance
Strategic Governance Solutions

The Architecture of Effective Governance

We build robust, transparent, and effective institutions by integrating strategic planning with on-the-ground data.

Policy Decisions
Policy & Economic Advisory

Clarity for Complex Policy Decisions

Leveraging deep economic research and fiscal planning expertise to provide clear, actionable advice to decision-makers.

Data Analytics
Data Collection & M&E

Evidence-Based Program Success

From grassroots data collection to robust Monitoring & Evaluation frameworks, we ensure your programs are effective and measurable.

10+
Years of Operation
30+
Projects Delivered
15+
Institutional Clients
16
Districts Covered
LATEST
DDS Formalises Strategic Partnership with OpenStreetMap Sierra Leone to Advance Geospatial Research and Development
DDS Formalises Partnership with Port Loko City Council on Property Tax Modernisation
DDS Signs MOU with Port Loko District Council to Drive Property Tax Reform
DDS Partners with Bombali District Council to Strengthen Local Revenue Systems
DDS Signs MOU with Makeni City Council to Sustain its Modernised Property Tax Administration
Our Core Services

An Integrated Approach to Development

Our services are interconnected, providing comprehensive support from high-level policy to on-the-ground implementation and analysis.

01
01

Development Research

Applied research, diagnostics, surveys, and analytical studies including baseline & endline assessments to inform policy and institutional reform.

02
02

Policy Advisory

Evidence-based support for policy formulation, reform design, and implementation tailored to local political and socioeconomic contexts.

03
03

Public Finance & DRM

Technical advisory on fiscal policy, subnational revenue systems, and tax administration — including digitised property tax systems and local revenue reform.

04
04

Monitoring, Evaluation & Learning

MEL framework design, results measurement, digital monitoring tools, and full-cycle baseline and endline study management.

05
05

Technical Studies & Evaluations

Sector-specific technical studies, feasibility assessments, programme evaluations, situational analyses, and needs assessments.

06
06

Strategic Planning

Development planning support for national and subnational institutions aligned with national priorities, the SDGs, and AU Agenda 2063.

07
07

Technology for Service Delivery

Fit-for-purpose digital platforms, dashboards, property tax management systems (MOPTAX), and decision-support tools that strengthen institutional efficiency and citizen service delivery.

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Our Methodology

The DDS Difference

Our approach is founded on a unique blend of local insight, technological innovation, and a commitment to sustainable partnerships that drive meaningful change.

01

Integrated Expertise

We connect high-level policy with on-the-ground data to create holistic and effective solutions.

02

Technology-Driven

Leveraging GIS and modern data analytics to provide precise insights and unlock new opportunities.

03

Sustainable Capacity

We work collaboratively to build lasting skills and systems within your organization.

04

Local Context, Global View

Our deep understanding of local realities is informed by global standards and best practices.

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Our Impact

Featured Projects

Explore our work and see the measurable impact we deliver for our partners through innovative solutions and strategic partnerships.

Featured
National Voluntary Review Report — Sierra Leone’s Implementation of the Global Compact for Migration (GCM)
Sierra Leone Apr 2026
International Organization for Migration (IOM) / Ministry of Planning & Economic Development (MoPED)
Technical Consultancy
Migration GCM

National Voluntary Review Report — Sierra Leone’s Implementation of the Global Compact for Migration (GCM)

DDS led an end-to-end technical consultancy to produce Sierra Leone’s National Voluntary Review (NVR) Report on implementation of the Global Compact for Migration (GCM). The …

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Featured
Assessing the Impact of Matching Grants on Business Growth: Evidence from Sierra Leone SMEs
Sierra Leone Mar 2026
International Growth Centre (IGC)
Endline Evaluation
SME Matching Grants

Assessing the Impact of Matching Grants on Business Growth: Evidence from Sierra Leone SMEs

This project involved a rigorous endline evaluation using quasi-experimental methods to assess the impact of matching grants on SME growth, productivity, and formalization across Sierra …

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Featured
Research on Microfinance Schemes in Sierra Leone
Freetown, Sierra Leone Dec 2024
Sierra Leone Labour Congress
Microfinance
Microfinance Financial Inclusion

Research on Microfinance Schemes in Sierra Leone

This research explored the role and potential of microfinance schemes, focusing on both formal and informal credit systems in Sierra Leone. It assessed existing microfinance …

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Stay Informed

Recent News & Updates

Stay up to date with our latest insights, project milestones, and institutional developments.

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Trusted By Leaders in Development

Our expertise is recognized and relied upon by government bodies, international organizations, and leading development partners across the globe.

Proud Partners

Bombali District Council Logo

Bombali District Council

Makeni City Council Logo

Makeni City Council

Port Loko District Council Logo

Port Loko District Council

Timap Logo

Timap for Justice

Kushe Logo

Kushe App

MOPED Logo

Ministry of Planning

Ready to make an impact?

Let’s discuss how our expertise can support your next project. Reach out for a confidential consultation, zero obligation.

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