Skip to main content

What Is A Solicited Proposal?

by
Last updated on 9 min read

A solicited proposal is a formal offer submitted in direct response to a specific request, such as an RFP, RFA, or work statement issued by a sponsor or client.

What's the difference between solicited and unsolicited proposals?

Solicited proposals respond directly to a known need or request, while unsolicited proposals are submitted on your own initiative to propose a new idea or service.

You'll usually get a solicited proposal invited through a formal Request for Proposal (RFP) or Request for Application (RFA). Those clearly state what the sponsor needs. Unsolicited proposals? They're proactive pitches—often used in business development or government contracting. You're basically presenting an unrequested idea to a potential funder or partner. Many organizations actually encourage these as a way to spark innovation, but they still need to align with the organization's mission and policies. According to the Grants.gov resource, unsolicited proposals pop up often in federal contracting when an agency spots value in a novel solution not covered by an existing solicitation. Honestly, this is the best approach when you've got something truly groundbreaking to offer.

What exactly is a solicited and unsolicited proposal?

A solicited proposal is requested by a customer or sponsor through a formal RFP, RFA, or verbal request; an unsolicited proposal is initiated by the proposer without a prior request.

Solicited proposals show up when a client or agency identifies a specific need and invites qualified parties to submit a plan. That keeps things fair and transparent in procurement. Unsolicited proposals? They're more like persuasive business pitches. You'll see them when a company or individual believes a new product, service, or research idea could benefit a potential partner or funder. The Office of Management and Budget (OMB) acknowledges these in federal contracting but makes it clear they must comply with ethical and legal standards to avoid conflicts of interest. It's all about making sure these pitches don't become just another way to cut corners.

What does an unsolicited proposal look like?

An unsolicited proposal is a written submission from an offeror to a federal agency proposing a new or innovative idea for a contract without being in response to an RFP, BAA, or other formal announcement.

These proposals usually show up when a contractor believes their solution offers unique value not covered by current solicitations. They don't have to follow a formal format, but they must clearly explain the innovation, its benefits, and how it aligns with the agency's mission. The Federal Acquisition Regulation (FAR) outlines guidelines for submitting these to ensure they're evaluated fairly and don't waste government resources. Agencies may accept them if they see potential strategic or technical advantages. It's a gamble, but sometimes it pays off big.

What's an external solicited proposal?

An external solicited proposal is a written offer from one independent organization or individual to another, prepared in response to a specific request or RFP from the recipient.

You'll find these all over consulting, construction, IT, and research sectors. Businesses or agencies seek external expertise, and someone responds with a detailed proposal. Take a municipality issuing an RFP for a traffic study—a consulting firm then submits a detailed proposal outlining their methodology, team, timeline, and cost. The key feature? The recipient actively requested it. According to the U.S. Government, external solicitations follow procurement laws to keep things transparent and competitive. That's how you avoid backroom deals.

Why would someone submit an unsolicited proposal?

The purpose of an unsolicited proposal is to introduce a new idea, service, or solution to a potential funder, partner, or agency without a prior request, aiming to secure a contract or support based on perceived value.

Think of it as a proactive business development tool. Entrepreneurs, researchers, and consultants use these all the time. They're especially common in industries like biotech, software, and defense, where innovation moves faster than formal procurement cycles. A well-crafted unsolicited proposal connects the proposed innovation to the recipient's strategic goals. The Federal Register notes that agencies may accept these if they demonstrate clear public benefit and technical merit, even without a formal solicitation. It's risky, but the payoff can be huge if you nail it.

What are the two meanings of proposal?

A proposal is defined as both an act of presenting an idea for consideration and the document or offer that results from that act.

The first meaning is about the process—putting forward a suggestion, plan, or offer for review. The second meaning is the tangible result: the formal document, presentation, or pitch that outlines the proposed idea, project, or partnership. In business and academic contexts, the term usually refers to the latter. The Merriam-Webster Dictionary lists these two primary definitions. The second includes specific uses like a marriage proposal or business offer. It's all about context.

What are the two main types of proposals?

The two main types of proposals are solicited proposals (submitted in response to a formal request) and unsolicited proposals (initiated by the proposer without a prior request).

These two categories form the foundation of proposal classification in business, government, and nonprofit sectors. Other subtypes—like preproposals, continuation proposals, and renewal proposals—describe stages or relationships within these two broad types. For example, a preproposal is a brief summary used to gauge interest before submitting a full proposal. The Proposal Resource Center emphasizes that understanding this distinction is crucial for tailoring your approach, whether responding to an RFP or pitching an innovative idea. It's all about knowing your audience.

Can you give an example of an external unsolicited proposal?

An example of an external unsolicited proposal is an independent software firm submitting a detailed proposal to a city government outlining a new smart traffic management system, even though the city did not issue an RFP.

This happens when the firm identifies a problem—like traffic congestion—and believes their solution could benefit the municipality. The proposal would include technical specifications, cost estimates, implementation timeline, and expected outcomes. These proposals often pop up in public-private partnerships or innovation challenges. The National League of Cities notes that while not required, many local governments have policies for reviewing unsolicited proposals to encourage community-driven improvements. It's a way to get creative solutions on the table.

What sections should every proposal include?

Most formal proposals include an abstract or summary, statement of need, project methodology and outcomes, evaluation plan, dissemination strategy, and a detailed budget.

The abstract gives reviewers a quick overview to assess relevance. The statement of need explains the problem or opportunity being addressed, while the methodology outlines how the project will be executed. Evaluation plans measure success, and dissemination ensures results are shared with stakeholders. The budget must be realistic and justified. According to the Candid (formerly Foundation Center), these sections are standard across grant proposals, research proposals, and business proposals. They keep everything professional and clear. Honestly, this is the backbone of any good proposal.

What are the three main types of proposals?

The three main types of proposals are formally solicited (issued via RFP), informally solicited (requested through direct discussion), and unsolicited (initiated by the proposer).

Formally solicited proposals follow strict guidelines and deadlines. Informally solicited proposals come from conversations or preliminary agreements, often with more flexibility in scope and format. Unsolicited proposals are self-generated and require strong persuasive content. The Better Business Bureau advises that understanding which type you're preparing helps tailor tone, structure, and level of detail to meet the recipient's expectations. It's all about matching your approach to the situation.

What exactly is a proposal and what types exist?

A proposal is a formal document that presents a plan, idea, or offer for consideration, and its types include solicited (in response to a request) and unsolicited (initiated by the proposer).

A proposal can serve multiple purposes: seeking funding, securing a contract, or proposing a project. When responding to a Request for Proposal (RFP), the proposal must precisely address the stated requirements. In contrast, an unsolicited proposal is more like a persuasive business case. The Investopedia highlights that proposals are foundational in both public and private sectors. They enable structured decision-making and collaboration. Without them, projects would be a mess.

Which of these is a type of proposal?

Types of proposals include formally solicited, informally solicited, and unsolicited proposals.

These three categories cover most proposal scenarios across industries. Formally solicited proposals tie to RFPs or RFAs with strict guidelines. Informally solicited proposals result from direct negotiations or verbal agreements. Unsolicited proposals are proactive pitches. The Project Management Institute (PMI) emphasizes that identifying the correct type early helps plan the proposal's structure, content, and tone to maximize acceptance chances. It's all about playing to the rules of the game.

What are the two categories of external proposals?

External proposals are categorized as either solicited (requested by the recipient) or unsolicited (initiated by the proposer without a prior request).

This classification applies to proposals submitted from one organization to another, like between a vendor and a corporation or a nonprofit and a foundation. Most external proposals are solicited through RFPs or similar procurement documents. Unsolicited external proposals are less common but can be effective when the proposer demonstrates clear value. The U.S. Chamber of Commerce notes that many businesses use these in B2B sales to introduce new products or services to potential clients. It's a bold move, but it can pay off.

What parts make up a project proposal?

A project proposal typically includes project background, objectives, scope, timeline, budget, and next steps.

The background section sets the context, while objectives define measurable goals. The scope clarifies what's included and what's not, preventing misunderstandings. A realistic timeline and detailed budget ensure feasibility, and next steps outline how the project moves forward. According to the PMBOK Guide, these components align with project management best practices. They're essential for approval and implementation. Without them, projects would be a guessing game.

What's the difference between internal and external proposals?

An internal proposal is written for use within your own organization, while an external proposal is directed to an audience outside your organization.

Internal proposals are often used for budget requests, process improvements, or project approvals within a company. They assume shared knowledge and focus on operational feasibility. External proposals—whether solicited or unsolicited—must be clear and persuasive to audiences unfamiliar with your organization. The Free Management Library recommends tailoring language, jargon, and level of detail based on the audience. It's all about speaking their language.

Edited and fact-checked by the TechFactsHub editorial team.
David Okonkwo

David Okonkwo holds a PhD in Computer Science and has been reviewing tech products and research tools for over 8 years. He's the person his entire department calls when their software breaks, and he's surprisingly okay with that.