Key Insights
The European oil and gas storage tank market is experiencing robust growth, driven by increasing energy demand and the need for enhanced energy security. The market, estimated at €[Estimate based on "Market size XX" and "Value Unit Million," e.g., €15 billion] in 2025, is projected to maintain a Compound Annual Growth Rate (CAGR) exceeding 3% through 2033. This expansion is fueled by several key factors. Firstly, the ongoing transition to cleaner energy sources necessitates efficient storage solutions for intermittent renewable energy, leading to increased investment in storage infrastructure. Secondly, geopolitical uncertainties and supply chain disruptions are encouraging countries to build larger strategic reserves of oil and gas, boosting demand for storage tanks. Furthermore, the expanding petrochemical industry in Europe requires significant capacity for raw materials and finished products, further contributing to market growth. The market is segmented by upstream, midstream, and downstream sectors, each exhibiting unique growth trajectories driven by specific needs and technological advancements. Upstream focuses on exploration and production, midstream on transportation and storage, while downstream caters to refining, distribution, and end-users. Leading players like Hoyer GmbH, Royal Vopak NV, and Oiltanking GmbH are strategically expanding their capacity and investing in innovative technologies to maintain a competitive edge.
Significant regional variations exist within Europe. Germany, France, the UK, and the Netherlands are expected to remain leading markets due to their established energy infrastructure and industrial activity. However, growth opportunities also exist in other European nations as they seek to enhance their energy independence and resilience. While expansion is prominent, market growth faces potential restraints, including regulatory hurdles related to environmental protection and safety regulations and the high initial investment costs for building and maintaining storage facilities. Furthermore, fluctuations in oil and gas prices can impact investment decisions and market growth in the short term. Nevertheless, the long-term outlook for the European oil and gas storage tank market remains positive, driven by the persistent need for efficient and reliable energy storage solutions.
This detailed report provides a comprehensive analysis of the Europe Oil and Gas Storage Tank Market, covering the period 2019-2033. The study offers in-depth insights into market dynamics, competitive landscape, and future growth prospects, equipping stakeholders with actionable intelligence for strategic decision-making. With a base year of 2025 and an estimated year of 2025, the forecast period extends to 2033, encompassing historical data from 2019-2024. The report segments the market by sector (Upstream, Midstream, Downstream) and provides granular analysis of key players, including HOYER GmbH, Royal Vopak NV, Eisenbau Heilbronn GmbH, Vitol Tank Terminals International BV (VTTI), Lapesa Grupo Empresarial SL, Virtor Oy, GLS Tanks International GmbH, Oiltanking GmbH, ROSEN Group, and Dyer Gas GmbH.

Europe Oil and Gas Storage Tank Market Market Concentration & Innovation
The European oil and gas storage tank market exhibits a moderately concentrated landscape, with a few major players holding significant market share. While precise market share figures for individual companies are proprietary to the full report, analysis indicates a top 5 holding approximately xx% of the total market in 2025. Innovation in the sector is driven by the need for enhanced safety, increased storage capacity, and improved operational efficiency. Regulatory frameworks, particularly concerning environmental protection and safety standards, heavily influence market dynamics. The presence of substitute materials and technologies, while limited, necessitates continuous innovation to maintain competitiveness. End-user trends toward automation and digitalization are shaping product development. M&A activities have been moderate in recent years, with deal values totaling approximately €xx Million in the period 2020-2024, primarily focusing on expanding geographic reach and enhancing technological capabilities.
- Key Market Concentration Indicators: Herfindahl-Hirschman Index (HHI) analysis (available in the full report).
- Innovation Drivers: Enhanced safety features, improved material science, automation technologies, digital twin solutions for remote monitoring.
- Regulatory Landscape: Compliance with environmental regulations (e.g., emissions standards), safety protocols, and industry-specific standards.
- M&A Activity: Analysis of key mergers and acquisitions within the study period, including deal size and rationale.
Europe Oil and Gas Storage Tank Market Industry Trends & Insights
The Europe Oil and Gas Storage Tank Market is projected to experience a CAGR of xx% during the forecast period (2025-2033). This growth is primarily fueled by rising energy demand, expansion of oil and gas infrastructure, and increasing government investments in energy security initiatives. Technological disruptions such as the adoption of advanced materials (e.g., high-strength steels, composite materials) and digitalization of operations are enhancing efficiency and safety. Consumer preferences are increasingly shifting towards sustainable solutions, pushing the development of environmentally friendly storage technologies. Competitive dynamics are marked by intense competition among major players, leading to pricing pressure and technological innovation. Market penetration of advanced storage solutions, such as cryogenic tanks for LNG, is gradually increasing but remains relatively low compared to traditional storage technologies. The market is currently undergoing a phase of consolidation with some players exploring strategic partnerships and joint ventures to expand their geographical reach and service portfolios.

Dominant Markets & Segments in Europe Oil and Gas Storage Tank Market
Germany holds the largest market share in the European oil and gas storage tank market, driven by its established oil and gas infrastructure, significant industrial activity, and strategic location within the European energy network. The Midstream sector represents the largest segment, with approximately xx% of market share in 2025, followed by the Downstream and Upstream sectors.
Germany's Dominance:
- Robust Oil and Gas Infrastructure: Extensive pipeline networks and existing storage facilities.
- High Industrial Activity: Large energy-intensive industrial base requiring substantial oil and gas storage.
- Strategic Geopolitical Location: Acts as a crucial transit point for energy within Europe.
Segment Analysis:
- Midstream: Dominated by storage and transportation of oil and gas, driving significant demand for storage tanks.
- Downstream: Focuses on refining and distribution, creating demand for specialized storage tanks.
- Upstream: Relatively smaller segment, focused on exploration and production, with demand driven by storage requirements at extraction points.
Europe Oil and Gas Storage Tank Market Product Developments
Recent product innovations focus on increasing storage capacity, enhancing safety features, and improving operational efficiency. This includes advanced materials for tank construction, improved leak detection systems, and the integration of digital technologies for remote monitoring and control. These advancements cater to the increasing demands of the industry for secure, reliable, and efficient storage solutions. The market is witnessing a surge in demand for customized storage solutions tailored to specific client requirements and operational needs.
Report Scope & Segmentation Analysis
The report segments the Europe Oil and Gas Storage Tank Market based on sector: Upstream, Midstream, and Downstream. The Midstream sector is projected to experience the highest growth rate during the forecast period, driven by the need for efficient storage and transportation of oil and gas. The Upstream sector is relatively smaller but expected to demonstrate steady growth, linked to exploration and production activities. The Downstream sector's growth is moderate, tied to the refining and distribution of petroleum products. Each segment presents unique competitive dynamics, with differing technological requirements and market demands. Detailed market sizing and growth projections for each segment are provided in the complete report.
Key Drivers of Europe Oil and Gas Storage Tank Market Growth
The growth of the European oil and gas storage tank market is driven by several factors: increasing energy demand, particularly in the industrial and transportation sectors, the need for enhanced energy security following geopolitical events, investments in renewable energy infrastructure requiring efficient storage, stringent environmental regulations encouraging the use of more environmentally friendly materials, and the ongoing modernization and expansion of oil and gas infrastructure. Furthermore, technological advancements continue to improve the efficiency and safety of storage tanks.
Challenges in the Europe Oil and Gas Storage Tank Market Sector
The market faces challenges including stringent environmental regulations increasing manufacturing costs and compliance burdens, supply chain disruptions impacting material availability and project timelines, and intense competition from established players resulting in pricing pressure. These factors contribute to the complexity of the market and require strategic adaptations by businesses. Moreover, fluctuations in energy prices and regulatory changes can significantly impact profitability.
Emerging Opportunities in Europe Oil and Gas Storage Tank Market
Emerging opportunities exist in the development of innovative storage solutions for renewable energy sources, such as LNG and hydrogen, alongside growing demand for advanced monitoring and control systems and improved safety and environmental standards driving demand for more sophisticated and technologically advanced storage solutions. Expansion into emerging markets and strategic partnerships are key avenues for growth.
Leading Players in the Europe Oil and Gas Storage Tank Market Market
- HOYER GmbH
- Royal Vopak NV
- Eisenbau Heilbronn GmbH
- Vitol Tank Terminals International BV (VTTI)
- Lapesa Grupo Empresarial SL
- Virtor Oy
- GLS Tanks International GmbH
- Oiltanking GmbH
- ROSEN Group
- Dyer Gas GmbH
Key Developments in Europe Oil and Gas Storage Tank Market Industry
- September 2022: Germany's natural gas storage facilities reached over 85% capacity, exceeding government targets and highlighting successful efforts to mitigate energy supply risks amidst the reduction of Russian gas supplies.
- July 2022: Germany and Austria signed a bilateral solidarity agreement to accelerate gas storage filling and collaborate on LNG infrastructure.
Strategic Outlook for Europe Oil and Gas Storage Tank Market Market
The European oil and gas storage tank market is poised for significant growth, driven by a combination of factors including rising energy demand, investments in energy infrastructure, and increasing focus on energy security. Opportunities lie in the development of sustainable storage solutions and advanced technologies to meet evolving industry requirements. The market's future is characterized by a blend of consolidation among major players and the emergence of innovative solutions catering to a changing energy landscape.
Europe Oil and Gas Storage Tank Market Segmentation
-
1. Sector
- 1.1. Upstream
- 1.2. Midstream
- 1.3. Downstream
Europe Oil and Gas Storage Tank Market Segmentation By Geography
- 1. Germany
- 2. United Kingdom
- 3. Norway
- 4. Spain
- 5. Rest of Europe

Europe Oil and Gas Storage Tank Market REPORT HIGHLIGHTS
Aspects | Details |
---|---|
Study Period | 2019-2033 |
Base Year | 2024 |
Estimated Year | 2025 |
Forecast Period | 2025-2033 |
Historical Period | 2019-2024 |
Growth Rate | CAGR of > 3.00% from 2019-2033 |
Segmentation |
|
Table of Contents
- 1. Introduction
- 1.1. Research Scope
- 1.2. Market Segmentation
- 1.3. Research Methodology
- 1.4. Definitions and Assumptions
- 2. Executive Summary
- 2.1. Introduction
- 3. Market Dynamics
- 3.1. Introduction
- 3.2. Market Drivers
- 3.2.1. 4.; Growing Demand for Renewable Energy4.; Upcoming Investments in the Energy Sector and Supportive Renewable Energy Policies
- 3.3. Market Restrains
- 3.3.1. 4.; High Initial Investment Cost and Long Investment Return Period on Projects
- 3.4. Market Trends
- 3.4.1. Midstream to Witness Significant Growth
- 4. Market Factor Analysis
- 4.1. Porters Five Forces
- 4.2. Supply/Value Chain
- 4.3. PESTEL analysis
- 4.4. Market Entropy
- 4.5. Patent/Trademark Analysis
- 5. Europe Oil and Gas Storage Tank Market Analysis, Insights and Forecast, 2019-2031
- 5.1. Market Analysis, Insights and Forecast - by Sector
- 5.1.1. Upstream
- 5.1.2. Midstream
- 5.1.3. Downstream
- 5.2. Market Analysis, Insights and Forecast - by Region
- 5.2.1. Germany
- 5.2.2. United Kingdom
- 5.2.3. Norway
- 5.2.4. Spain
- 5.2.5. Rest of Europe
- 5.1. Market Analysis, Insights and Forecast - by Sector
- 6. Germany Europe Oil and Gas Storage Tank Market Analysis, Insights and Forecast, 2019-2031
- 6.1. Market Analysis, Insights and Forecast - by Sector
- 6.1.1. Upstream
- 6.1.2. Midstream
- 6.1.3. Downstream
- 6.1. Market Analysis, Insights and Forecast - by Sector
- 7. United Kingdom Europe Oil and Gas Storage Tank Market Analysis, Insights and Forecast, 2019-2031
- 7.1. Market Analysis, Insights and Forecast - by Sector
- 7.1.1. Upstream
- 7.1.2. Midstream
- 7.1.3. Downstream
- 7.1. Market Analysis, Insights and Forecast - by Sector
- 8. Norway Europe Oil and Gas Storage Tank Market Analysis, Insights and Forecast, 2019-2031
- 8.1. Market Analysis, Insights and Forecast - by Sector
- 8.1.1. Upstream
- 8.1.2. Midstream
- 8.1.3. Downstream
- 8.1. Market Analysis, Insights and Forecast - by Sector
- 9. Spain Europe Oil and Gas Storage Tank Market Analysis, Insights and Forecast, 2019-2031
- 9.1. Market Analysis, Insights and Forecast - by Sector
- 9.1.1. Upstream
- 9.1.2. Midstream
- 9.1.3. Downstream
- 9.1. Market Analysis, Insights and Forecast - by Sector
- 10. Rest of Europe Europe Oil and Gas Storage Tank Market Analysis, Insights and Forecast, 2019-2031
- 10.1. Market Analysis, Insights and Forecast - by Sector
- 10.1.1. Upstream
- 10.1.2. Midstream
- 10.1.3. Downstream
- 10.1. Market Analysis, Insights and Forecast - by Sector
- 11. Germany Europe Oil and Gas Storage Tank Market Analysis, Insights and Forecast, 2019-2031
- 12. France Europe Oil and Gas Storage Tank Market Analysis, Insights and Forecast, 2019-2031
- 13. Italy Europe Oil and Gas Storage Tank Market Analysis, Insights and Forecast, 2019-2031
- 14. United Kingdom Europe Oil and Gas Storage Tank Market Analysis, Insights and Forecast, 2019-2031
- 15. Netherlands Europe Oil and Gas Storage Tank Market Analysis, Insights and Forecast, 2019-2031
- 16. Sweden Europe Oil and Gas Storage Tank Market Analysis, Insights and Forecast, 2019-2031
- 17. Rest of Europe Europe Oil and Gas Storage Tank Market Analysis, Insights and Forecast, 2019-2031
- 18. Competitive Analysis
- 18.1. Market Share Analysis 2024
- 18.2. Company Profiles
- 18.2.1 HOYER GmbH
- 18.2.1.1. Overview
- 18.2.1.2. Products
- 18.2.1.3. SWOT Analysis
- 18.2.1.4. Recent Developments
- 18.2.1.5. Financials (Based on Availability)
- 18.2.2 Royal Vopak NV
- 18.2.2.1. Overview
- 18.2.2.2. Products
- 18.2.2.3. SWOT Analysis
- 18.2.2.4. Recent Developments
- 18.2.2.5. Financials (Based on Availability)
- 18.2.3 Eisenbau Heilbronn GmbH
- 18.2.3.1. Overview
- 18.2.3.2. Products
- 18.2.3.3. SWOT Analysis
- 18.2.3.4. Recent Developments
- 18.2.3.5. Financials (Based on Availability)
- 18.2.4 Vitol Tank Terminals International BV (VTTI)
- 18.2.4.1. Overview
- 18.2.4.2. Products
- 18.2.4.3. SWOT Analysis
- 18.2.4.4. Recent Developments
- 18.2.4.5. Financials (Based on Availability)
- 18.2.5 Lapesa Grupo Empresarial SL
- 18.2.5.1. Overview
- 18.2.5.2. Products
- 18.2.5.3. SWOT Analysis
- 18.2.5.4. Recent Developments
- 18.2.5.5. Financials (Based on Availability)
- 18.2.6 Virtor Oy
- 18.2.6.1. Overview
- 18.2.6.2. Products
- 18.2.6.3. SWOT Analysis
- 18.2.6.4. Recent Developments
- 18.2.6.5. Financials (Based on Availability)
- 18.2.7 GLS Tanks International GmbH
- 18.2.7.1. Overview
- 18.2.7.2. Products
- 18.2.7.3. SWOT Analysis
- 18.2.7.4. Recent Developments
- 18.2.7.5. Financials (Based on Availability)
- 18.2.8 Oiltanking GmbH
- 18.2.8.1. Overview
- 18.2.8.2. Products
- 18.2.8.3. SWOT Analysis
- 18.2.8.4. Recent Developments
- 18.2.8.5. Financials (Based on Availability)
- 18.2.9 ROSEN Group
- 18.2.9.1. Overview
- 18.2.9.2. Products
- 18.2.9.3. SWOT Analysis
- 18.2.9.4. Recent Developments
- 18.2.9.5. Financials (Based on Availability)
- 18.2.10 Dyer Gas GmbH
- 18.2.10.1. Overview
- 18.2.10.2. Products
- 18.2.10.3. SWOT Analysis
- 18.2.10.4. Recent Developments
- 18.2.10.5. Financials (Based on Availability)
- 18.2.1 HOYER GmbH
List of Figures
- Figure 1: Europe Oil and Gas Storage Tank Market Revenue Breakdown (Million, %) by Product 2024 & 2032
- Figure 2: Europe Oil and Gas Storage Tank Market Share (%) by Company 2024
List of Tables
- Table 1: Europe Oil and Gas Storage Tank Market Revenue Million Forecast, by Region 2019 & 2032
- Table 2: Europe Oil and Gas Storage Tank Market Volume K Unit Forecast, by Region 2019 & 2032
- Table 3: Europe Oil and Gas Storage Tank Market Revenue Million Forecast, by Sector 2019 & 2032
- Table 4: Europe Oil and Gas Storage Tank Market Volume K Unit Forecast, by Sector 2019 & 2032
- Table 5: Europe Oil and Gas Storage Tank Market Revenue Million Forecast, by Region 2019 & 2032
- Table 6: Europe Oil and Gas Storage Tank Market Volume K Unit Forecast, by Region 2019 & 2032
- Table 7: Europe Oil and Gas Storage Tank Market Revenue Million Forecast, by Country 2019 & 2032
- Table 8: Europe Oil and Gas Storage Tank Market Volume K Unit Forecast, by Country 2019 & 2032
- Table 9: Germany Europe Oil and Gas Storage Tank Market Revenue (Million) Forecast, by Application 2019 & 2032
- Table 10: Germany Europe Oil and Gas Storage Tank Market Volume (K Unit) Forecast, by Application 2019 & 2032
- Table 11: France Europe Oil and Gas Storage Tank Market Revenue (Million) Forecast, by Application 2019 & 2032
- Table 12: France Europe Oil and Gas Storage Tank Market Volume (K Unit) Forecast, by Application 2019 & 2032
- Table 13: Italy Europe Oil and Gas Storage Tank Market Revenue (Million) Forecast, by Application 2019 & 2032
- Table 14: Italy Europe Oil and Gas Storage Tank Market Volume (K Unit) Forecast, by Application 2019 & 2032
- Table 15: United Kingdom Europe Oil and Gas Storage Tank Market Revenue (Million) Forecast, by Application 2019 & 2032
- Table 16: United Kingdom Europe Oil and Gas Storage Tank Market Volume (K Unit) Forecast, by Application 2019 & 2032
- Table 17: Netherlands Europe Oil and Gas Storage Tank Market Revenue (Million) Forecast, by Application 2019 & 2032
- Table 18: Netherlands Europe Oil and Gas Storage Tank Market Volume (K Unit) Forecast, by Application 2019 & 2032
- Table 19: Sweden Europe Oil and Gas Storage Tank Market Revenue (Million) Forecast, by Application 2019 & 2032
- Table 20: Sweden Europe Oil and Gas Storage Tank Market Volume (K Unit) Forecast, by Application 2019 & 2032
- Table 21: Rest of Europe Europe Oil and Gas Storage Tank Market Revenue (Million) Forecast, by Application 2019 & 2032
- Table 22: Rest of Europe Europe Oil and Gas Storage Tank Market Volume (K Unit) Forecast, by Application 2019 & 2032
- Table 23: Europe Oil and Gas Storage Tank Market Revenue Million Forecast, by Sector 2019 & 2032
- Table 24: Europe Oil and Gas Storage Tank Market Volume K Unit Forecast, by Sector 2019 & 2032
- Table 25: Europe Oil and Gas Storage Tank Market Revenue Million Forecast, by Country 2019 & 2032
- Table 26: Europe Oil and Gas Storage Tank Market Volume K Unit Forecast, by Country 2019 & 2032
- Table 27: Europe Oil and Gas Storage Tank Market Revenue Million Forecast, by Sector 2019 & 2032
- Table 28: Europe Oil and Gas Storage Tank Market Volume K Unit Forecast, by Sector 2019 & 2032
- Table 29: Europe Oil and Gas Storage Tank Market Revenue Million Forecast, by Country 2019 & 2032
- Table 30: Europe Oil and Gas Storage Tank Market Volume K Unit Forecast, by Country 2019 & 2032
- Table 31: Europe Oil and Gas Storage Tank Market Revenue Million Forecast, by Sector 2019 & 2032
- Table 32: Europe Oil and Gas Storage Tank Market Volume K Unit Forecast, by Sector 2019 & 2032
- Table 33: Europe Oil and Gas Storage Tank Market Revenue Million Forecast, by Country 2019 & 2032
- Table 34: Europe Oil and Gas Storage Tank Market Volume K Unit Forecast, by Country 2019 & 2032
- Table 35: Europe Oil and Gas Storage Tank Market Revenue Million Forecast, by Sector 2019 & 2032
- Table 36: Europe Oil and Gas Storage Tank Market Volume K Unit Forecast, by Sector 2019 & 2032
- Table 37: Europe Oil and Gas Storage Tank Market Revenue Million Forecast, by Country 2019 & 2032
- Table 38: Europe Oil and Gas Storage Tank Market Volume K Unit Forecast, by Country 2019 & 2032
- Table 39: Europe Oil and Gas Storage Tank Market Revenue Million Forecast, by Sector 2019 & 2032
- Table 40: Europe Oil and Gas Storage Tank Market Volume K Unit Forecast, by Sector 2019 & 2032
- Table 41: Europe Oil and Gas Storage Tank Market Revenue Million Forecast, by Country 2019 & 2032
- Table 42: Europe Oil and Gas Storage Tank Market Volume K Unit Forecast, by Country 2019 & 2032
Frequently Asked Questions
1. What is the projected Compound Annual Growth Rate (CAGR) of the Europe Oil and Gas Storage Tank Market?
The projected CAGR is approximately > 3.00%.
2. Which companies are prominent players in the Europe Oil and Gas Storage Tank Market?
Key companies in the market include HOYER GmbH, Royal Vopak NV, Eisenbau Heilbronn GmbH, Vitol Tank Terminals International BV (VTTI), Lapesa Grupo Empresarial SL, Virtor Oy, GLS Tanks International GmbH, Oiltanking GmbH, ROSEN Group, Dyer Gas GmbH.
3. What are the main segments of the Europe Oil and Gas Storage Tank Market?
The market segments include Sector.
4. Can you provide details about the market size?
The market size is estimated to be USD XX Million as of 2022.
5. What are some drivers contributing to market growth?
4.; Growing Demand for Renewable Energy4.; Upcoming Investments in the Energy Sector and Supportive Renewable Energy Policies.
6. What are the notable trends driving market growth?
Midstream to Witness Significant Growth.
7. Are there any restraints impacting market growth?
4.; High Initial Investment Cost and Long Investment Return Period on Projects.
8. Can you provide examples of recent developments in the market?
September 2022: Germany's natural gas storage facilities reached more than 85%, displaying steady progress despite a drastic reduction in deliveries from Russia amid the war in Ukraine. The government's target to reach 85% storage capacity by October was achieved at the beginning of September.
9. What pricing options are available for accessing the report?
Pricing options include single-user, multi-user, and enterprise licenses priced at USD 4750, USD 5250, and USD 8750 respectively.
10. Is the market size provided in terms of value or volume?
The market size is provided in terms of value, measured in Million and volume, measured in K Unit.
11. Are there any specific market keywords associated with the report?
Yes, the market keyword associated with the report is "Europe Oil and Gas Storage Tank Market," which aids in identifying and referencing the specific market segment covered.
12. How do I determine which pricing option suits my needs best?
The pricing options vary based on user requirements and access needs. Individual users may opt for single-user licenses, while businesses requiring broader access may choose multi-user or enterprise licenses for cost-effective access to the report.
13. Are there any additional resources or data provided in the Europe Oil and Gas Storage Tank Market report?
While the report offers comprehensive insights, it's advisable to review the specific contents or supplementary materials provided to ascertain if additional resources or data are available.
14. How can I stay updated on further developments or reports in the Europe Oil and Gas Storage Tank Market?
To stay informed about further developments, trends, and reports in the Europe Oil and Gas Storage Tank Market, consider subscribing to industry newsletters, following relevant companies and organizations, or regularly checking reputable industry news sources and publications.
Methodology
Step 1 - Identification of Relevant Samples Size from Population Database



Step 2 - Approaches for Defining Global Market Size (Value, Volume* & Price*)

Note*: In applicable scenarios
Step 3 - Data Sources
Primary Research
- Web Analytics
- Survey Reports
- Research Institute
- Latest Research Reports
- Opinion Leaders
Secondary Research
- Annual Reports
- White Paper
- Latest Press Release
- Industry Association
- Paid Database
- Investor Presentations

Step 4 - Data Triangulation
Involves using different sources of information in order to increase the validity of a study
These sources are likely to be stakeholders in a program - participants, other researchers, program staff, other community members, and so on.
Then we put all data in single framework & apply various statistical tools to find out the dynamic on the market.
During the analysis stage, feedback from the stakeholder groups would be compared to determine areas of agreement as well as areas of divergence