Understanding Tender Evaluation
Tender evaluation helps organisations select the best suppliers through a structured assessment of commercial and quality factors.
The process requires clear criteria and fair scoring to identify the most suitable bid. This article is aimed at procurement professionals, however, it will also be equally useful from a bidders/ suppliers perspective who want to further improve their bid writing techniques.
Definition of Tender Evaluation
Tender evaluation is the systematic process of assessing bids submitted by potential suppliers.
You'll find it involves comparing proposals against set criteria to determine the most economically advantageous tender (MEAT).
The evaluation typically weighs two key components: price and quality.
Price scoring measures cost-effectiveness, while quality scoring examines technical capability, experience, and delivery approach.
Different tenders may have varying weightings:
- 80% price, 20% quality
- 50% price, 50% quality
- 20% price, 80% quality
Importance in Public Procurement
Public procurement relies on tender evaluation to ensure transparent and fair spending of public funds.
The process helps you make unbiased decisions based on clear evidence.
A proper evaluation system:
- Creates a level playing field for all bidders
- Demonstrates value for money
- Reduces risk of procurement challenges
- Maintains public trust
Multiple evaluators often review each bid to provide balanced scoring. This approach brings diverse expertise and helps validate the final decision. The evaluation criteria must align with your procurement needs and reflect the project's specific requirements.
Moderated scoring helps tender evaluations ensure fairness across the procurement team and reduce the chances of successful challenge!

Preparation for Tender Evaluation
A strong tender evaluation process needs careful planning across three key areas: the right team, clear criteria, and proper weightings. These elements work together to create a fair and effective assessment framework.
Setting up an Evaluation Team
Your evaluation team needs members with different skills and expertise related to the procurement.
Select 3-5 people who understand technical requirements, financial aspects, and operational needs.
Make sure team members:
- Have no conflicts of interest
- Sign confidentiality agreements
- Receive proper training on scoring methods
- Understand their roles and responsibilities
Create a structured schedule for team meetings and evaluations. This helps keep the process on track and ensures all members can commit the needed time.
Developing Evaluation Criteria
Your evaluation criteria must link directly to your tender requirements.
Create specific, measurable criteria that focus on what matters most for project success.
Common criteria categories include:
- Technical capability
- Financial stability
- Past performance
- Project methodology
- Resource allocation
Write clear descriptions for each criterion. Define what constitutes different score levels to help your team assess responses consistently.
Establishing Weightings
Your weightings show suppliers which criteria matter most in your decision.
Assign percentage values that reflect the relative importance of each requirement.
Sample Weighting Structure:
- Technical Merit: 40%
- Price: 30%
- Quality Management: 20%
- Social Value: 10%
Test your weightings with sample scenarios before finalising them. This helps identify any unintended biases in your scoring system.
Record your rationale for chosen weightings. This supports transparency and helps defend your decisions if challenged.
Speak to an expert!
Contact usThe Moderation Process
A structured moderation process brings consistency and fairness to bid evaluation scores. Small evaluation teams work together to review individual assessments and reach agreement on final scores.
Coordinating the Scoring Process
You need 3-5 evaluators with different expertise areas to review each bid independently.
Give your team clear scoring criteria and guidelines before they begin.
Mark each bid against the same evaluation matrix. Use a simple scoring scale like 0-5 or 0-10.
Record detailed notes to justify your scores. This creates an audit trail and helps during group discussions.
Schedule a moderation meeting once individual scoring is complete. Share all scores before the meeting so evaluators can review differences.
Ensuring Fairness and Confidentiality
Keep individual scores private until the moderation meeting. This prevents evaluators from influencing each other.
Sign confidentiality agreements before accessing any bid documents.
Store all evaluation materials securely. Use password protection for digital files.
Treat all bidders equally. Apply the same standards and processes across every submission.
Resolving Discrepancies
Compare individual scores question by question. Focus on areas with big scoring differences.
Ask evaluators to explain their reasoning for high and low scores.
Look for consensus through open discussion. Avoid forcing agreement if genuine differences exist.
Document the reasons for each final moderated score. Note any significant changes from individual scores.
If you cannot reach agreement, escalate to a senior decision maker for guidance. Another common route for tender evaluations is completing the exercise as a group with evaluators jointly agreeing each score - the moderated score.

Executing the Evaluation Process
Successful tender evaluation requires careful analysis of documents, consistent scoring methods, and thorough cost assessment. These steps must follow a structured approach to ensure fair and transparent decisions.
Analysing Tender Documents
Review each tender submission against your mandatory requirements checklist. Mark any missing or incomplete items clearly in your evaluation sheet.
Create a structured scoring matrix to track your assessment of each section. Pay special attention to technical specifications and service level agreements.
Use a simple traffic light system to highlight areas of concern:
- 🟢 Fully compliant
- 🟡 Partially compliant
- 🟨 Needs clarification
- 🚫 Non-compliant
Applying Scoring Methods
Set clear scoring criteria before you begin. Use a 0-5 or 0-10 scale with detailed descriptions for each score level.
Your scoring sheet should include:
- Criteria weighting
- Raw scores
- Weighted scores
- Space for evaluator notes
Each evaluator must score independently first. Then meet to agree on final moderated scores through group discussion.
Keep detailed records of your scoring decisions and any changes made during moderation meetings.
Assessing Cost of Ownership
Look beyond the initial price tag. Calculate the total cost over the contract lifetime.
Key cost elements to consider:
- Implementation costs
- Maintenance fees
- Training requirements
- Support services
- Upgrade costs
- Exit costs
Build a cost comparison spreadsheet that breaks down expenses year by year. Include inflation rates and expected price increases.
Compare lifetime costs across all bidders using the same calculation method. This ensures fair price evaluation.
Determining Value for Money
Value for money means choosing suppliers who deliver the best mix of quality and cost. A strong evaluation process looks at both the price and what extra benefits each supplier brings.
Balancing Price and Quality
A weighted scoring system helps you assess price and quality together. Price often counts for 30-60% of the total score, with quality making up the rest.
Make your scoring criteria specific and measurable. For example, rate technical capability from 1-5 based on clear benchmarks.
Use a simple formula to normalise prices:
- Lowest price gets maximum points
- Other prices scored proportionally lower
- Example: (Lowest bid / Tender bid) x Maximum points
Evaluating Added Value
Added value includes benefits beyond the basic requirements. Look for suppliers offering:
Key value additions:
- Innovation in delivery methods
- Cost-saving initiatives
- Risk reduction approaches
- Knowledge transfer
- Social value contributions
Score each value-add element separately using defined criteria. Give higher points for measurable benefits with clear implementation plans.
Identifying Preferred Suppliers
Create a shortlist of suppliers who score well on both price and quality measures. Check their:
- Financial stability
- Delivery track record
- Resource availability
- Quality certifications
Meet with top-scoring suppliers to validate their proposals. Request proof of claims about capacity and capabilities.
Compare total scores carefully. A small difference in points may not justify choosing a more expensive option.

Finalising the Tender Evaluation
The final stages of tender evaluation require careful documentation, clear communication with bidders, and maintaining proper records to support the award decision.
Compiling the Evaluation Report
Your evaluation report must detail the scores and rationale for each tender submission. Include a breakdown of technical and commercial assessments with supporting evidence.
List key report components:
- Final moderated scores for each criterion
- Price analysis and value for money assessment
- Strengths and weaknesses of each bid
- Reasons for selection/rejection
Create a summary table showing the combined quality and price scores. This makes it easy to demonstrate how you reached the final decision.
Awarding the Contract
Notify all bidders of the outcome simultaneously. Send detailed feedback letters that explain the scoring and reasons behind your decision.
The standstill period typically lasts 10 calendar days. During this time:
- Prepare the contract documents
- Address any clarification questions from unsuccessful bidders
- Finalise implementation plans with the winning bidder
Keep communication professional and factual to reduce the risk of challenges.
Creating an Audit Trail
Store all evaluation documents in a structured filing system. This helps defend your decision if challenged.
Essential records to maintain:
- Original tender submissions
- Individual evaluator scoresheets
- Moderation meeting minutes
- Final evaluation matrices
- Correspondence with bidders
- Contract award notices
Save both electronic and hard copies where needed. Your audit trail should show a clear path from initial evaluation to final award decision.
Contact us for support
Click hereHow Thornton & Lowe Can Help
Whether you're a public sector organisation looking to improve your evaluation processes or a company trying to win more government contracts, Thornton & Lowe offers practical support tailored to your needs.
For public sector teams, we provide outsourced procurement services that take the pressure off stretched internal resources. Our specialists can handle your entire tender process from market engagement through to contract award, or just step in for specific stages where you need extra capacity.
Many procurement teams tell us they struggle with consistency in scoring. Our evaluation training workshops address this head-on, giving your team the confidence to apply scoring criteria fairly and defend their decisions if challenged.
Social value evaluation remains a stumbling block for many buyers. Our focused training sessions cut through the confusion, showing procurement teams how to meaningfully assess social value proposals without getting lost in vague promises or unverifiable claims.
For organisations at the planning stage, our procurement options appraisals help you choose the right route to market. We'll walk you through the pros and cons of different approaches, from traditional tenders to dynamic purchasing systems, giving you a clear roadmap that balances compliance with practical considerations.
On the supplier side, we help businesses of all sizes improve their chances of winning public contracts through our bid writing services. Drawing on our insider knowledge of how evaluation teams actually score responses, we help companies craft compelling answers that directly address what buyers are looking for.
Our supplier development programmes go beyond individual bids, building your team's capability to consistently produce winning responses. We don't just write your bids for you – we help you understand what works and why, so you can gradually bring more of this expertise in-house.

Frequently Asked Questions
Tender evaluation requires clear criteria, fair scoring methods, and proper documentation. Good processes help pick the best supplier while following procurement rules.
What are the best practices for establishing transparent tender evaluation criteria?
Make your criteria specific and measurable. List exact requirements that suppliers need to meet.
Link each criterion to your project goals. This helps you compare bids fairly.
Share the full criteria with all bidders before they submit proposals. Give them clear point values for each requirement.
Can bidders request evaluation notes and minutes from moderation meetings?
While having moderated scoring can reduce the risks of successful procurement challenge - dissatisfied bidders may request access to documents, notes and minutes from the meeting and discussions relating to moderated scoring and the wider tender evaluation.
How can weighting and scoring be effectively applied in tender evaluations?
Use a 60/40 split between quality and price scores. This balance ensures you get good value without sacrificing quality.
Give more weight to critical elements. Safety requirements might get 30% while nice-to-have features get 10%.
Create detailed scoring guides. Write down what a 1, 3, or 5 looks like for each criterion.
In what ways can a scoring matrix be utilised to enhance objectivity in bid assessments?
Build a matrix with clear score definitions for each criterion. List what perfect, good, and poor responses look like.
Use numbers rather than words for scoring. A 5-point scale is easier to work with than vague terms.
Add comments boxes to record why you gave each score. This helps explain decisions later.
Could you outline a step-by-step guide to the bid evaluation process?
Check bids meet basic requirements first. Remove any that miss key criteria.
Score quality elements before looking at prices. This stops cost from affecting quality scores.
Get multiple team members to score each bid. Meet to agree on final scores.
What considerations should be taken into account when creating tender evaluation documentation?
Write clear scoring guides that anyone can follow.
Make sure different evaluators would give similar scores.
Keep detailed notes about your decisions.
Record why you picked certain scores.
Save all evaluation sheets and meeting notes.
You might need them if someone questions the results.
How can conflicts of interest be managed during the tender evaluation phase?
Ask evaluators to sign conflict of interest forms. They must declare any links to bidding companies.
Remove evaluators from scoring bids where they have conflicts. Pick neutral replacements.
Keep records of who scored each bid. Note any conflicts and how you handled them.