URL: https://bwsmithconsulting.com/compare/internal-vs-external-evaluator/ Updated: 2026-11-09 Compare # Internal vs external evaluator The pros and cons of using staff to evaluate your program versus hiring an outside evaluator, with questions to help you decide what fits your grant and budget. By [Bonnie W. Smith](https://bwsmithconsulting.com/about/#bonnie-smith), MPH, CPH, CPP Reviewed by [Lucas Smith](https://bwsmithconsulting.com/about/#lucas-smith), CFA, FRM Updated November 9, 2026 In short An internal evaluator is a staff member who knows the program well and costs less, but may have less time, training and distance. An external evaluator brings experience, objectivity and credibility with funders, at a higher cost. Many organizations use a mix, with an outside evaluator designing the plan and staff collecting data. ## Side by side | Internal evaluator | External evaluator | Knows the program | Very well | Learns it quickly, sees it fresh | Cost | Lower, part of staff time | Higher, a contract | Objectivity | Harder to keep distance | Independent view | Credibility with funders | Varies | Usually stronger | Evaluation skills | Depends on the person | A specialty | Time | Competes with other duties | Dedicated | ## When internal works well Internal evaluation fits when the program is small, the funder does not require independence, and you have a staff member with real evaluation training and protected time to do it. ## When to bring in an outside evaluator Consider an external evaluator when the funder requires or rewards independence, when the program is large or complex, when you need statistical analysis or survey work, or when staff are already stretched. ## A mix that often works Many of our clients use a blend: we design the evaluation plan and tools, staff collect data during the year, and we analyze, report and present. It keeps costs down without giving up quality or independence. [Ask us how this could work for your program.](https://bwsmithconsulting.com/contact/) ## Frequently asked questions **Does our funder require an external evaluator?** Some grants do and some only recommend it. Read the evaluation section of the grant notice and ask your project officer if it is not clear. **Can we start internal and switch later?** Yes, but it is harder. Measures chosen early shape everything after, so even a short consultation with an outside evaluator at the start can save trouble. **How much of a grant should go to evaluation?** It depends on the funder and the size of the program. Check the grant notice first, since some funders set an expected range. We can help you size it during planning. ## Sources - [Program evaluation framework](https://www.cdc.gov/evaluation/php/evaluation-framework/index.html), Centers for Disease Control and Prevention Planning an evaluation, assessment or survey? Tell us about your program, your community and your deadlines. The first conversation is how we figure out what you actually need. [Book a call](https://bwsmithconsulting.com/contact/#form) ## Related - [Grant program Drug Free Communities grant evaluation What the Drug Free Communities Support Program funds, the core measures and reporting it requires, and how an evaluator helps coalitions plan, collect and report. Read](https://bwsmithconsulting.com/grants/drug-free-communities/) - [Who we serve Evaluation and youth surveys for prevention coalitions Youth surveys, core measures, evaluation plans and grant support for prevention coalitions, including Drug Free Communities and SPF grantees. Read](https://bwsmithconsulting.com/who-we-serve/prevention-coalitions/) - [Free template Free logic model template A free, printable one page logic model template for grant applications and evaluation plans, with a worked example row and instructions for filling it in. Read](https://bwsmithconsulting.com/templates/logic-model-template/) - [Guide How to build a logic model for a grant A step by step guide to building a logic model for a grant application or evaluation plan, with an example from a youth prevention program and common mistakes. Read](https://bwsmithconsulting.com/guides/how-to-build-a-logic-model/) - [Glossary Logic model A logic model is a one page summary of how a program is expected to work, linking resources and activities to the outputs and outcomes it aims to achieve. Read](https://bwsmithconsulting.com/glossary/logic-model/) - [Service Program evaluation Outside program evaluation for prevention, treatment, recovery and community health programs, from evaluation plans and data collection to reports funders trust. Read](https://bwsmithconsulting.com/services/program-evaluation/) Planning an evaluation, assessment or survey? Tell us about your program, your community and your deadlines. The first conversation is how we figure out what you actually need. [Book a call](https://bwsmithconsulting.com/contact/#form)Call 860.995.5853