Phase 09: Sell

Winning Work as a Subconsultant: Teaming Agreements, RFP Strategy, and Prime Relationships

7 min read·Updated April 2026

One of the fastest ways to build revenue and a qualifications record for a new engineering firm is as a subconsultant to larger prime firms. As a subconsultant, you gain project experience that builds your SOQ, develop relationships with prime firm principals who may refer you to their clients, and earn revenue without the BD investment required to win prime contracts. This guide explains how to break into subconsultant relationships and use them strategically as a launch platform.

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Why Subconsulting Makes Sense for New Engineering Firms

New engineering firms face a qualification paradox: you need project experience to win projects, but you need projects to build experience. Subconsulting breaks this cycle. When you subconsult to an established firm:

- You can list the project on your own SOQs as relevant experience (describe your specific scope contribution, not the prime firm's work) - You develop relationships with prime firm project managers who may recommend you to clients or team you on future pursuits - You generate revenue while building your firm's qualifications record - You learn how larger firms manage project delivery, client communication, and fee management

Many successful small engineering firms generate 30–50% of their revenue as subconsultants to larger primes, especially in the first 3–5 years.

Finding Prime Firms to Subconsult For

The best prime firms to target as subconsultant relationships are firms that: 1. Do work in your discipline but need specialty capabilities you provide (e.g., a large civil firm that does not have in-house structural engineers) 2. Win public contracts that require subconsultant participation goals (DBE/MBE/WBE, local firm, or small business set-asides) 3. Are larger than your firm and regularly win more work than they can staff internally

How to find them: Attend ACEC chapter events and introduce yourself to principals of larger firms. Review public contract awards in your area — firms that regularly win prime contracts are potential subconsultant employers. Look at firms listed on ACEC state membership directories and cross-reference with public contract databases to identify active primes.

Outreach approach: Email or call the BD director or principal of the firm. Say you are starting a specialty firm (describe your niche) and are interested in subconsulting opportunities. Attach your firm overview and a brief bio. Most principals are receptive to conversations with potential subconsultants — they are always looking to expand their trusted team roster.

Teaming Agreements: Formalizing Subconsultant Relationships

A teaming agreement is a contract between a prime firm and subconsultant firm that establishes the terms of their partnership on a specific pursuit or ongoing basis. Teaming agreements typically cover:

- The specific pursuit or project category covered - Each party's role and scope of services - Fee allocation (subconsultant's percentage of total project fee) - Exclusivity provisions (prime agrees not to team with a competitor of the sub for this pursuit) - Flow-down provisions (prime's contract terms that apply to the sub) - Dispute resolution

ACEC and EJCDC publish model teaming agreement forms. Have an attorney review any teaming agreement before signing — exclusivity provisions in particular require careful review to ensure they do not inadvertently prevent you from pursuing opportunities with other firms.

Transitioning from Subconsultant to Prime

Your goal as a subconsultant is not to stay a subconsultant forever. Use subconsulting relationships to build: 1. A qualifications record with real project names, scopes, and client references 2. Relationships with the clients and agencies where you subconsulted (meet the owner representatives during the project; build a direct relationship) 3. A reputation as a reliable, high-quality firm that prime firms want on their teams

Transition to prime when: you have 5–10 completed projects you can reference in an SOQ, you have established direct relationships with at least 2–3 potential clients, and your firm has the bandwidth to manage both prime-level business development and project delivery simultaneously.

Your first prime contract is likely to be a smaller project with an agency or client where you already have a strong relationship — either from a subconsulting role or from the BD activities described earlier in this guide.

RECOMMENDED TOOLS

ACEC

Access state chapter membership directory to identify prime engineering firms in your market for subconsultant outreach

EJCDC

Model teaming agreement and subconsultant agreement forms for professional engineering firms

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FREQUENTLY ASKED QUESTIONS

Can I list a project I did as a subconsultant on my firm's SOQ?

Yes, with appropriate description. Describe your firm's specific scope of work on the project, not the prime firm's scope. Identify your role clearly (e.g., 'served as structural engineering subconsultant responsible for building frame design'). Most agencies recognize that small firms build their qualifications through subconsulting.

How much of the project fee does a subconsultant typically receive?

Subconsultant fees are negotiated based on the scope of work. As a proportion of the prime contract, subconsultant fees typically represent the actual cost of the subconsultant's work plus a small prime markup (5–10%) for prime coordination risk. For a project where your work represents 20% of the total engineering effort, expect approximately 18–20% of the prime contract fee.

Are teaming agreements legally binding?

Yes, teaming agreements are enforceable contracts. Exclusivity provisions are particularly important — if you agree not to team with other primes for a specific pursuit, you are bound by that agreement. Read exclusivity provisions carefully and ensure they are limited to the specific pursuit named, not open-ended.

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