Why engineering firm lead generation starts before the RFP
Engineering and architecture firms win most reliably when they are in the conversation before the RFP is written. After that, you are one of a pile of proposals.
And the pile is getting bigger.
The 46th Deltek Clarity A&E Industry Study (May 2025) reported a median win rate of 50%, with proposal volume down 38% and the value of awarded work up 52%. Then the 47th study (May 2026, 896 firms across the US and Canada) found firms submitting 32% more proposals while win rates declined. Only 10% of A&E firms project revenue growth in 2026.
Read that again. More proposals. Lower win rates. Flat outlook.
That is the RFP treadmill. Your principals write proposals at night for projects that were half-decided before the document went out.
The fix is upstream. Find the owner who is THINKING about a project. Get the call while it is still a napkin sketch.
| Responding to RFPs | Ads to an early-stage project quiz | |
|---|---|---|
| When you meet the client | After the scope is written | While they are still deciding |
| Competition | Every firm on the plan room list | Often nobody yet |
| Cost to pursue | Principal hours per proposal | One call |
| What you measure | Win rate | Cost per held call and projects started |
Engineering firm lead generation channels compared
Engineering firms get new work from six channels: repeat clients and referrals, RFPs, associations and events, outbound, content and SEO, and paid ads. Each one has a different speed and a different ceiling.
Most firms lean hard on the first one. Monograph, citing Zweig Group data, puts repeat clients at about 75% of an average A/E firm's revenue. Zweig's valuation guidance, per the same article, says no single client should be more than 4% of revenue.
See the risk? Your best client merges, retires or moves its capex budget, and a big slice of next year's backlog goes with it.
| Channel | Speed to a first project | Who it reaches | Main limit |
|---|---|---|---|
| Repeat clients and referrals | Fast, when it happens | People who already trust you | You cannot turn it up on demand |
| RFP and RFQ responses | Slow, weeks per proposal | Public agencies and large owners | Scope is already written. Principal hours per bid. |
| Associations and events (ASCE, ACEC, ASHRAE, SMPS) | Slow, months of showing up | Peers, contractors, some owners | Needs principals in the room, every month |
| Outbound email and LinkedIn | Weeks | Named accounts you choose | Low reply rates. Needs clean sending domains and real project proof. |
| Content and SEO | Months | Owners researching a problem | Slow to compound. Rarely books a call by itself. |
| Google and Meta ads to a project quiz | Days to weeks | Private owners with a project in mind | Needs a qualifying quiz, or you pay for tire-kickers |
Who does the selling? Usually the same people doing the work. Monograph cites Zweig Group finding that 55% of AEC firms rely mainly on seller-doers, and PSMJ figures showing senior managers spend 13 to 25% of their time on marketing and business development.
That is a principal giving up to a day a week to chasing work. So the goal is not MORE leads. It is fewer, better conversations:
- Filter before the call. The quiz removes projects outside your states, size and disciplines.
- Lead with a matching project. One past job that looks like theirs beats a 40-page capabilities deck.
- Book straight onto the principal's calendar. No coordinator email chains.
- Hand nurture to the CRM. Principals should not be writing quarterly check-ins.
Referrals are the best leads you will ever get. Paid ads are the channel you can actually switch on when the backlog runs thin. The rest of this page is about doing that well.
Public vs private projects: where paid lead generation fits for A&E firms
Paid lead generation fits private-sector work. Public work runs on qualifications-based selection, and ads will not change a selection board's scoring.
Federal A/E contracts follow the Brooks Act (40 U.S.C. 1101 to 1104, implemented in FAR 36.6). Agencies select on qualifications first and negotiate fees after selection. Many states have adopted their own "mini-Brooks" laws.
So for public work, you win with SF 330s, relationships and past performance. Not Facebook.
Private work is different. Nobody makes a developer issue an RFQ. A manufacturer expanding a plant, a medical group building a clinic, a church adding a wing: they often pick a firm because the principal called back first and made sense.
| Client type | How they select | Where ads help |
|---|---|---|
| Federal and most state agencies | Qualifications-based selection, then fee negotiation | Barely. Focus on qualifications packages. |
| Private developers | Relationships, speed, past projects | A lot. Meet them at the feasibility stage. |
| Owner-occupiers (manufacturers, healthcare, schools) | Often one firm, picked on trust | A lot. They rarely know who to call. |
| Contractors in design-build | Teaming partners they trust | Some. Retargeting and referrals. |
The A&E buying cycle: feasibility to construction documents
The A&E buying cycle starts long before design. The earlier the stage you reach, the less competition and the more say you have in scope.
| Stage | What the owner is doing | What they need from you | Offer that fits |
|---|---|---|---|
| Idea | "We might expand." Looking at sites or budgets. | Is this even possible, and roughly what will it cost? | Feasibility call or site review |
| Feasibility | Comparing sites, zoning, utilities | Zoning, code and site constraints | Due diligence checklist |
| Schematic design | Has a site and a program | A firm to own design | Scope and fee conversation |
| Permitting and CDs | Deadline driven | Stamped drawings, fast | Capacity and schedule |
| Construction | Building | Construction administration, problem solving | Often already taken |
Here is the thing. Most firms advertise at stage 4, "we do permit drawings". That is where price shopping lives.
Advertise at stages 1 and 2. "Thinking about a new building? Find out what your site will actually allow." That owner has not called anyone yet.
The 7-question project quiz for engineering and architecture firms
The A&E quiz qualifies the project, not the person. It captures type, stage, size and location so a principal only takes calls worth taking.
| # | Question | Example answers | Why it matters |
|---|---|---|---|
| 1 | What kind of project? | New building, addition or renovation, tenant fit-out, site and civil work, structural assessment, MEP upgrade | Routes to the right discipline |
| 2 | What type of building or use? | Industrial, healthcare, commercial office, retail, multifamily, education, other | Matches your portfolio |
| 3 | Where is the project? | City and state or province | Only books jurisdictions where you hold licenses |
| 4 | What stage are you at? | Just an idea, comparing sites, have a site and a plan, need permit drawings | Earlier stages get priority |
| 5 | Rough size or construction budget? | Under $500K, $500K to $2M, $2M to $10M, $10M+ | Separates a small permit job from a fee worth pursuing |
| 6 | When do you want to break ground? | Within 6 months, 6 to 12 months, 12+ months, not sure | Sets urgency and capacity planning |
| 7 | Who is making the decision? | Owner, developer, board or committee, general contractor | Gets the real client on the call |
Projects outside your licensed states or under your minimum fee get a polite page. Qualified owners book straight onto a principal's calendar.
The build mechanics are in the quiz funnel blueprint.
Cost per held call for engineering and architecture firms
Cost per held call is what you spend to get one qualified owner onto a call with a principal. Against A&E fees, the ceiling is usually higher than firms expect.
Formula: max cost per held call = average fee per won project x held-call-to-project rate x share of fee you will spend to acquire.
Illustrative numbers. Use your own.
| Input | Structural or civil engineering | Architecture (small commercial) |
|---|---|---|
| Average fee per won project | $40,000 | $120,000 |
| Held call to signed project | 20% | 15% |
| Acquisition budget | 5% of fee | 5% of fee |
| Max cost per held call | $400 | $900 |
Now price a proposal. Ten principal hours at your billing rate, plus marketing coordinator time, plus graphics. On a declining win rate.
One of those costs tells you the project before you spend it. The other does not.
Work your own numbers in the cost per held call guide.
Engineering and architecture advertising rules by state and country
This is general information, not legal advice. Engineering and architecture are licensed professions, and the rules reach your firm name, your ads and the states you can take work in. Confirm with your state boards before launch.
| Rule area | What it says | Source to check |
|---|---|---|
| Firm licensure | Harbor Compliance, writing for the Engineering Management Institute, counts 37 states that require a firm license, usually called a certificate of authorization, from the state engineering board. Its own white paper counts 42 once similar registrations are included. | Your state engineering board |
| Firm names | Some states regulate names. Per Wolters Kluwer's summary of state rules, California requires any person named in the firm name to be licensed, and a C+S article reports Pennsylvania requires board approval when the name includes "engineer" or "engineering". | Pennsylvania State Board of Engineers, California BPELSG |
| Offering services without authorization | Websites count as offering services. In 2022 Florida's board fined the owner of an unlicensed drafting company $5,000 for advertising "mechanical engineering" services on its website after being told to stop. | Florida Board of Professional Engineers |
| Advertising across states | Ads reach people in states where you are not licensed. Your quiz should only book projects in jurisdictions where you hold the required licenses. | Each state board, and NCEES or NCARB for mobility |
| "Architect" in the UK | The title is protected under the Architects Act 1997. A business can use "architect" in its name only with a registered architect in control of the architectural work. ARB cites fines of up to £2,500 per offence. | Architects Registration Board |
| "Architect" and "engineer" in the US and Canada | State and provincial laws restrict both titles. Do not let an ad call an unlicensed team member an architect or engineer. | State architecture boards, provincial associations |
| Project images | Only show projects your firm designed, credit the firm of record, and get client permission for anything not already public. | Your contracts and client agreements |
One quiz rule on top: name the licensed principal and their licensed states on the quiz page. It is a compliance safeguard and a trust signal at the same time.
Following up through a long project timeline
A&E follow-up has to last as long as the owner's decision, which can be a year or more. The CRM keeps the project alive while your principals bill.
- Confirm instantly with the principal's name, license and a relevant project photo.
- Send a one-page site or feasibility checklist matched to their stage.
- Remind twice, the day before and an hour before.
- Rescue no-shows with a same-day rebook link.
- Nurture to the groundbreak date. Store target start, size and stage, and trigger check-ins quarterly until they are ready.
The reminder flow is in the show-up playbook.
What insaneX builds for engineering and architecture firms
insaneX builds the booking machine for private-sector work. Your principals run the calls and design the projects.
- A cold traffic offer for early-stage owners: feasibility review, site constraints check or budget range call
- Google and Meta ads aimed at owners, developers and facility leaders
- The 7-question project quiz with your principals' calendars inside
- CRM with project stage and start dates, email and SMS follow-up, reminders
- A short VSL from a founding principal
Built and live in 14 days. Held calls and qualified calls are reported separately, so you see real projects, not form fills.
The track record: $54.3M+ in revenue generated for clients, 85+ SaaS and B2B brands scaled, $7M+ in ad spend tested and optimized, and an 87% client success rate.
Book the free 30-minute strategy call. We audit your funnel, pinpoint the leaks, and walk you through the system.
Questions
How do engineering firms get new clients?
Most rely on repeat clients, referrals, contractor relationships and RFP responses. For private-sector work, a faster route is ads aimed at owners at the idea or feasibility stage, sent to a quiz that captures project type, size, stage and location and books the call.
What is the best lead generation channel for engineering firms?
Repeat clients and referrals convert best, but you cannot scale them on demand. For new private-sector work, Google and Meta ads sent to a project quiz are the fastest channel you control. Public work still runs on qualifications packages, associations and relationships.
Do Facebook ads work for architecture firms?
They can for private clients like owner-occupiers, developers and institutions, who often do not know which firm to call. They do not change public qualifications-based selection, so keep public work on qualifications packages and relationships.
What is the average proposal win rate for A&E firms?
The 46th Deltek Clarity A&E Industry Study (2025) reported a median win rate of 50%. The 47th study (2026) reported firms submitting 32% more proposals while win rates declined. Monograph, citing SMPS Foundation research, puts the average AEC hit rate at 37 to 44%, with engineering firms at 44.2%.
What is the Brooks Act?
The Brooks Act (40 U.S.C. 1101 to 1104) requires federal agencies to select architecture and engineering firms based on qualifications, then negotiate fees with the top-ranked firm. Many states have similar laws for public projects.
Can my engineering firm advertise in states where it is not licensed?
Ads can reach those states, but offering or practicing engineering there may require individual and firm licenses. Set your quiz to book only projects in states where you are licensed, and check each board's rules.
What is a good cost per lead for engineering firms?
Use cost per held call instead. Multiply your average project fee by your call-to-project rate and the share you will spend. A $40,000 fee at a 20% rate and a 5% budget supports about $400 per held call.