Unveiling the Power of Theory of Change: A Compass for Measuring Impact
- Published23 apr 2024
Impact Measurement in a Theory of Change framework
In the dynamic landscape of impact investing, companies and investors strive not only to make a difference but also to measure and understand the depth of their influence. One powerful tool that has gained prominence in this pursuit is the Theory of Change-framework. One of the reasons why the Theory of Change (or ToC) has become widely adopted is the ability to serve as a strategic compass, guiding organizations through the complex journey of creating lasting impact, as well as a framework to set logic, measurable indicators to measure progress. In this blog post, we will delve into the essence of the ToC, exploring its significance as a starting point for measuring impact, and bringing it to life with a real-world example.
Understanding the Theory of Change
A Theory of Change focuses on mapping out the relationship between what a company does, and how its activities are leading to achieving the desired goals. In this way it becomes a comprehensive description of how and why a desired change is expected to happen.
This leads to better:
- planning & evaluation
- understanding of how change actually happens
- understanding of the precise link between activities and the achievement of the long-term goals
The Theory of Change decoded
A Theory of Change has five predefined steps: Input, Activities, Output, Outcome and Impact. A ToC is usually set up with the end in mind: the Impact or Mission.

It does this by first identifying the desired long-term goals (the Impact) and then working back from these to identify all the conditions that must be in place for the goals to occur. These are all mapped out in the framework.
At its core, the Theory of Change can be viewed as a road map that outlines the intended pathway between an organisation’s activities and its desired long-term outcomes. One of the reasons the Theory of Change has become popular in the impact investing space is that it emphasizes the logical connection between a company’s activities and its intended mission.
The Impact: Setting the ultimate goals & mission
Step one in setting up a Theory of Change is to determine the long-term mission & goals: the Impact. The important thing in this step is to get all stakeholders on board to prioritise goals as well as to specify what problems they want to help solve or change. Linking into industry standards such as the Sustainable Development Goals or the Planetary Boundaries can be helpful here for example. This is written down in a good, clear & concise Impact mission.
The Outcome: The linchpin between Activities & Impact
The Outcome describes what change is expected to take place on a shorter term than what is described in the Impact section, and is more closely linked to the actual activities taking place.
The Outcome section can also be seen as the linchpin between the Activities and Impact section. It provides colour and context around ‘why’ certain activities are taking place, and how that links into the Impact mission. Note that undesired effects of the Activities can also be described here.
The Output: Identify KPIs to measure progress
The Theory of Change Framework provides the basis for identifying what indicators can be used to measure how the company is progressing towards the achievement of its mission or goal. The Output is quite closely linked to the described Activities. The Output is intended to measure progress, it is therefore usually numerical.
The Activities: In the direct sphere of control
Activities describe what actions are taken by the company to influence the Outcome, and eventually the desired Impact. Activities are usually quite detailed and specific to a certain company. It describes what is in the direct sphere of control or influence. What is being conducted for example on a day-to-day or week-to-week basis.
The Input
Input describes what input is needed to make the activity happen. Inputs are the resources that go into the running of the activities of the company. That can be for example: time, capital, human resources, systems etc.
Benefits
A Theory of Change is essentially a logic model that presents companies in terms of resources, activities, short and long-term outcomes. It helps clarify goals and communicate what the progression has been towards these goals. It can take a bit of time to draw up a good ToC, but that time spent usually pays off in multiple aspects. For example a good & clear ToC provides:
- A clear and testable hypothesis about how change will occur that not only allows you to be accountable for results, but also makes your results more credible because they were predicted to occur in a certain way
- A visual representation of the change you want to see and how you expect it to come about
- A blueprint for evaluation with measurable indicators of success identified
- An agreement among stakeholders about what defines success and what it takes to get there
- A powerful communication tool to capture the complexity of your company
A Theory of Change has the added benefit of being used in multiple ways, for example:
- As a framework to check milestones and stay on course
- To document lessons learned about what really happen
- To keep the process of implementation and evaluation transparent, so everyone knows what is happening and why
- As a basis for reports to funders, policymakers or boards
Measuring Impact Through the Theory of Change
Using the Theory of Change-framework, organisations can set detailed and specific indicators to measure their progress towards their goal. Monitoring and evaluation become more focused, allowing for informed decision-making and adaptive strategies. By embracing this comprehensive framework, organisations not only gain clarity on their path but also lay the foundation for robust impact measurement.
To give a real world example we will walk through an example for a consumer goods company with biological products such as tea, honey, beers and seasonings. Note that this is a shortened, anonymised version for illustration purposes only.
Mission
The company aims to increase biodiversity in the country where they operate. They are looking to increase the number of species and plants whilst bringing healthier and tastier food on the table. The company believes in an economic model based on nature restoration where economic and ecological progress goes hand in hand.
Outcome
More native herbs or (un)herbs planted whose flowers attract insects that are needed for pollinating crops.The company plants local and native crops which support farmers in their existence and attract as many different animal species as possible.
Output
- Number of biological tea products
- Number of biological honey product
- Number of biological drinks
- Number of biological seasonings
Activities
The company works with farmers to stimulate biodiversity to sow more native herbs and to plant local and native crops. These herbs and crops are used by the company to produce biological products such as tea, honey, beers and seasonings.
Input
The input the company delivers to make the activity happen are amongst others: resources that go into the running of the activities of the company such as time, capital, human resources, knowledge and contacts with local farmers.
In this example, the Theory of Change for this organisation has helped them set clear, measurable indicators & goals, whilst communicating with prospective investors what they are doing to achieve the positive outcomes and lasting impact they are looking to make on biodiversity.
In today’s data-driven world, understanding and clearly measuring the impact a company is striving for is not just a goal but increasingly a necessity to communicate the positive change. A clear Theory of Change empowers that, turning actionable insights into meaningful outcomes.

