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How to Write an RFP for Your Web Project (+ How to Choose the Right CMS)

Illustration of an RFP document comparing Drupal, WordPress, and proprietary CMS platforms for a web project.

If your company is about to launch a new website, an intranet, or a digital platform, chances are that at some point in the process you've been asked to — or decided to — write an RFP. It's one of the first formal steps before hiring an agency or development vendor, and how well it's structured largely determines whether you receive proposals that are comparable, realistic, and actually aligned with what you need.

In this guide, we'll explain what an RFP is, how to structure one correctly for a web project, and — a step that's almost always overlooked — how to evaluate and choose the right CMS (content management system) before agencies start pitching solutions, so the technology decision doesn't end up entirely in the vendor's hands.

What Is an RFP?

RFP stands for Request for Proposal. It's a formal document a company sends to several potential vendors describing a project, defining its requirements, and asking each vendor to submit a technical and financial proposal for executing it.

Unlike a simple quote, an RFP doesn't just ask "how much does this cost?" It asks "how would you solve this, with what technology, in what timeframe, with what team, and why is your proposal better than the other three vendors who received this exact same document?"

In web development projects, a well-built RFP allows you to:

  • Compare proposals from different agencies against the same criteria
  • Identify which vendors actually understood the business problem versus which ones just quoted "development hours"
  • Reduce the risk of cost overruns and rework caused by poorly defined requirements from the start
  • Set clear expectations on scope, timeline, and deliverables before any contract is signed

RFP, RFI, and RFQ: Clarifying the Meaning

It's common to confuse the meaning of RFP with other similar procurement documents:

  • RFI (Request for Information): used when a company is still exploring the market and wants to understand what options exist, without yet asking for a formal proposal.
  • RFP (Request for Proposal): used when there's already clarity on the problem to solve, and a full proposal (technical + commercial) on how to solve it is needed.
  • RFQ (Request for Quotation): used when the scope is already 100% defined and only pricing needs to be compared across vendors.

For web development projects — where scope is rarely fully locked down on day one — the RFP is usually the right format, because it gives the vendor room to propose, not just quote.

1. Project Context and Objective

Explain who your company is, what it does, and why you're undertaking this project. Is it a redesign? A platform migration? A brand-new site from scratch? A serious vendor needs this context to propose something relevant instead of a generic solution.

2. Functional Scope

List the features the site or platform needs: multilingual content management, CRM or ERP integrations, e-commerce, user portals, internal search, and so on. Be specific, but leave room for the vendor to suggest improvements.

3. Technical and Architecture Requirements

This is where many RFPs fall short. If your company already has technology preferences or constraints (for example, the need to integrate with existing systems, security requirements, a headless architecture, etc.), this is the place to state it. And if you don't yet know what technology you need, this is exactly where CMS selection comes in.

4. Evaluation Criteria

Define upfront how you'll compare proposals: team experience, portfolio of similar projects, delivery timelines, total cost of ownership (not just the initial cost), and post-launch support.

5. Process Timeline

Deadline for questions, proposal submission date, estimated decision date.

Many companies skip this out of fear of "revealing too much." In practice, sharing a budget range saves both sides time and prevents receiving proposals that are completely misaligned with the project's financial reality.

The Step Almost Nobody Includes: Choosing the CMS Before Receiving Proposals

Most web project RFPs leave the CMS choice entirely up to the responding vendor. That's a problem: each agency tends to propose the technology it's strongest in, not necessarily the one that best fits your case. If you have at least a general sense of what type of CMS you need before sending out the RFP, you'll be able to compare proposals far more objectively.

What Is a CMS and What Is It For?

A CMS (Content Management System) is the software platform that lets your team create, edit, organize, and publish content on a website without relying on a developer for every change. Beyond content management, a modern CMS also handles users, permissions, integrations, and in many cases serves as the backend powering multiple digital channels (web, apps, portals).

Not all CMS platforms are built for the same thing. Some prioritize simplicity for blogs and small sites; others are designed for complex, multi-site, multilingual operations with high security and governance requirements. That's where Drupal comes in.

What Is Drupal?

Drupal is an open-source CMS built for complex digital projects: corporate portals, government sites, universities, media outlets, and platforms with many integrations. Unlike simpler solutions, Drupal is architected from the ground up to scale: granular permission management, headless/decoupled architecture (separating the content backend from the frontend), and a mature module ecosystem covering virtually any enterprise integration.

Drupal tends to be the right choice when a project involves:

  • Multiple sites or brands managed from a single platform
  • High security and regulatory compliance requirements (public sector, healthcare, education)
  • Complex integrations with internal systems (CRM, ERP, payment systems, proprietary APIs)
  • The need for a headless/API-first architecture feeding web, apps, and other channels from a single backend
  • Complex content structures with multiple content types and editorial workflows

Drupal CMS vs. Other Alternatives

There's no "best" CMS in the abstract — there's the right CMS for the complexity and goals of your specific project. That's why including this evaluation before the RFP, or as an explicit section within it, keeps the technology decision from being determined by whichever agency has the best sales team.

Quick Checklist Before Sending Your RFP

  • Did you define the project's business objective, not just its functional scope?
  • Did you include integration requirements with existing systems?
  • Do you have clarity on whether you need a headless/API-first architecture?
  • Did you set evaluation criteria before receiving proposals?
  • Did you consider total cost of ownership (not just the initial development cost)?
  • Did you assess whether your project needs a robust CMS like Drupal or if a simpler solution is enough?

Frequently Asked Questions

What does RFP mean?

RFP stands for Request for Proposal. It's the formal document a company uses to ask several vendors for technical and commercial proposals for the same project.

What's the difference between an RFP and a quote?

A quote only answers the price of something already defined. An RFP asks the vendor to propose a complete solution — technical approach, team, timeline, and cost — for a problem the company describes, rather than one it has already solved.

What is a CMS and what is it for?

A CMS is the system that lets you create, manage, and publish digital content without relying on a developer for every change. It serves as the foundation for building and managing a website or digital platform.

When does it make sense to use Drupal instead of another CMS?

Drupal makes sense for high-complexity projects: multiple sites, robust integrations, demanding security requirements, or headless architectures feeding several digital channels from a single backend.

Need Help Scoping Your RFP?

At Seed EM, we support companies during the stage before they go out to bid: helping define technical requirements, evaluating whether Drupal, Ibexa DXP, or another platform is the right fit for your case, and structuring an RFP that lets you compare proposals objectively. If you're about to start this process, let's talk.