Writing / Growth
Marketing a small architecture firm in 2027
About 71% of architecture firm billings came from repeat clients in the AIA Firm Survey data that Architect magazine reported for roughly 2018 to 2019, and in a Designers Today survey of 4 June 2024, 84% of interior designers found new clients through referrals. Those are the two best numbers on how design firms win work, and one is old while the other is about a neighbouring profession. Marketing a small firm in 2027 starts by accepting that, and then by making sure the referral survives the search that follows it.
15 October 2026 · 9 minute read
Start from what the evidence can and cannot tell you
Repeat clients and referrals dominate this profession, and small firms depend on them most. In the AIA Firm Survey data that Architect magazine reported for about 2018 to 2019, 71% of all architecture firm billings came from repeat clients, and firms with fewer than ten employees drew 51% of their billings from noncompetitive repeat projects. The 51% split comes from a secondary summary of the AIA data, and all of it is pre-2020. An earlier AIA figure for residential architects, from 2012 data also reported by Architect magazine, put repeat clients at about 48% of business. The one recent number is for interior designers, not architects: in the Designers Today survey of 4 June 2024, 84% found new clients through referrals from existing clients, and about two-thirds found business through their website.
| Figure | Who it covers | Source and date | Limit |
|---|---|---|---|
| 71% of billings from repeat clients | All US architecture firms | AIA Firm Survey data, about 2018 to 2019, via Architect magazine | Pre-2020 data |
| 51% of billings from noncompetitive repeat projects | Firms with fewer than ten employees | Same AIA data, via Architect magazine | Secondary summary; pre-2020 |
| About 48% of business from repeat clients | Residential architects | AIA 2012 data, via Architect magazine | 2012 data |
| 84% found clients through referrals; about two-thirds through their website | Interior designers | Designers Today, 4 June 2024 | Designers, not architects |
| 64% plan to pursue larger-budget projects; 50% to raise markup or margin | Design services firms | Houzz Q1 2026 US Pro Barometer, via Pro Builder, 23 January 2026 | Secondary; architects grouped with other designers |
What no current survey measures
No survey published between 2024 and 2026 reports what share of a small US architecture firm’s leads comes from its website, Houzz, Instagram, Google Business Profile or AI search. We looked for one in the AIA Firm Survey, the Deltek Clarity studies, the Houzz barometers and the trade press, and did not find it. That means every lead-source percentage you see in an agency’s pitch deck is either a guess, a single client’s numbers, or a sample of the agency’s own customers. It also means the only lead-source data you can trust in 2027 is your own, which is why the measurement section at the end of this page comes before any channel decision.
Why search matters when the referral did the work
About 75% of US architecture firms have fewer than ten employees and 28% are sole practitioners, and small firms’ share of national billings roughly halved between 2015 and 2023 while large firms’ share rose by about 40%, according to a secondary summary of the 2024 AIA Firm Survey in AIA Architect. A referred homeowner in that market almost always searches the firm’s name before calling, and increasingly asks an AI assistant whom to hire. No survey measures what happens at that step, so what follows is our inference: the web presence of a small firm mostly confirms or undermines a referral that already happened. It rarely creates the lead on its own, and it does not need to.
The results pages show what a referred prospect currently finds. In Google US results checked on 10 October 2026, loaded once each and localised to roughly Los Angeles, a Reddit thread held a top-two position for seven of eight architect-business queries, and AI Overviews appeared on six of eight. For “architecture firm marketing” the first page was Reddit, an AIA article from 31 March 2025, and a run of agencies and coaches. The AI Overview cited Architect Marketing Institute, Lifted Logic and OpenAsset, and advised making project pages text-rich so search engines and AI tools can read them. Nothing on that page cited primary data. A firm with a sourced, specific page on a question its clients ask is competing with agency blogs, not with the AIA.
Channels with evidence behind them
Google and AI answers
Google says there are no additional requirements to appear in AI Overviews or AI Mode beyond being indexed and eligible for a snippet, and that both features may use query fan-out, which means running related searches behind the scenes (Google Search Central, updated 10 December 2025). Ahrefs found that only 37.9% of the URLs cited in AI Overviews ranked in the top ten for the original query in March 2026, down from about 76% in July 2025 (Ahrefs, 2 March 2026, a vendor study of about four million cited URLs, with a method change between the two studies). The practical reading is that a page answering one specific question with an explicit number can be cited without ranking for the head term. OpenAI’s publisher FAQ says any public site can appear in ChatGPT search as long as it does not block OAI-SearchBot.
For a small firm that points to a short list: project pages with real text (location, scope, budget band, what you did and why), one page per question clients ask before hiring, a named author, and dates that change only when the content does. The getting cited by AI search playbook has the steps. One caution before you spend a month on it: in Pew Research Center’s March 2025 browsing data (published 22 July 2025), users clicked a traditional result on 8% of visits that showed an AI summary against 15% without one, and clicked a link inside the summary on 1%. A citation is your name inside the answer a referred client reads, not a traffic source.
Reddit, genuinely
Reddit was in the top two results for seven of the eight architect-business queries we checked on 10 October 2026, and the AI Overviews cited it repeatedly. A new site will not outrank r/Architects on an opinion query, so the useful move is the opposite one: when a thread asks the exact question you can answer, answer it properly, and add a link only where it helps the reader. Do not build a plan on any one platform. BrightEdge, a vendor, reported in August 2026 that Reddit’s citation presence in ChatGPT for one category fell from 17.2% to zero across two weeks.
Podcasts, newsletters and mentions on other sites
Across 75,000 brands, mentions of a brand on other websites correlated 0.664 with how often AI Overviews mentioned that brand (Ahrefs, 26 May 2025). That is a correlation from a vendor study, not proof of cause, but it is the off-site signal with the best support in the research we have read. For a small practice it means being the named source when a local journalist, newsletter or podcast covers approvals, costs or a notable project in your area. One sourced number you can give them, with the date, does more than a press release.
Video for homeowner questions
YouTube was 5.6% of all AI Overview citations and 18.2% of citations to pages ranking outside the top 100 (Ahrefs, 2 March 2026). In the homeowner queries we observed on 10 October 2026, the AI Overviews cited YouTube heavily. A short, plain video of the principal answering a client question, embedded on the page that answers it in text, costs an hour and covers a channel the text alone does not.
Response speed is the channel you already pay for
Every channel above produces an enquiry that arrives once. We have written about why studios lose projects they have already won and will not repeat the argument here, except to say that a marketing budget spent in front of a slow inbox is the most expensive thing a small firm does. Measure your reply time before you spend on anything else.
Position around a niche the data supports
A niche gives the referral a sentence to repeat and gives search a page to find. The demand data points one way for residential practices. On AIA’s panel of residential firms, designs for aging in place rose to a net +65% from +49% (AIA Home Design Trends Survey, Q2 2026 report, 20 May 2026), and in the Q3 2026 report (26 August 2026) multigenerational accommodation scored +53%, first-floor primary suites +52%, additions and alterations +38% and kitchen and bath remodelling +34%. Owners aged 65 and over accounted for 27% of US home improvement spending in 2023, up from 14% two decades earlier (Harvard Joint Center for Housing Studies, Improving America’s Housing 2025). Read the AIA figures as momentum among hundreds of residential firms, not as a share of projects.
The alternative to a niche is price. In the Houzz Q1 2026 US Pro Barometer, reported by Pro Builder on 23 January 2026, 64% of design services firms planned to pursue larger-budget projects and 50% to raise their markup or margin. That is secondary coverage and groups architects with other designers, but it describes the direction your peers are taking: towards fewer, better-priced projects. A firm known for one thing can follow them. A firm known for everything cannot.
Measure what the business feels
- Enquiries a month, by source, with “how did you find us” asked on every first call and written down. Analytics cannot see a referral, and no survey will supply the share for you.
- Qualified enquiries and first meetings, so you know whether a channel sends homeowners with a budget or homeowners with a question.
- Proposals sent and won. Deltek’s 46th Clarity study (13 May 2025) put the median win rate at 50% across all architecture and engineering firms; the architecture-only figure in the 47th study (FY2025 data) is 45%. Deltek’s 2026 study also found firms sending 32% more proposals while win rates fell (podcast recap, 9 July 2026), so a rising proposal count is not a good sign on its own.
- Cost per won project, by channel, which is the only number that tells you whether to spend more.
- Mentions: your firm’s name in AI answers to your city’s hiring questions, checked monthly from a fixed list of prompts and logged by hand, because Google reports AI feature traffic inside its ordinary Web search type and cannot separate it (Google Search Central, 10 December 2025). ChatGPT adds utm_source=chatgpt.com to the links it sends, so that one you can see (OpenAI publisher FAQ).
Sources
- Architect magazine, Seventy-One Percent of All Architecture Firm Billings Come From Repeat Clients (AIA data, about 2018 to 2019)
- Architect magazine, residential architects and repeat clients (AIA 2012 data)
- Designers Today, how designers find clients, 4 June 2024
- Houzz Q1 2026 US Pro Barometer, via Pro Builder, 23 January 2026
- AIA Architect, latest insights from the 2024 Firm Survey Report (firm sizes)
- Google US results, architect-business queries, 10 October 2026 (Los Angeles, one load each)
- Google Search Central, AI features and your website, updated 10 December 2025
- OpenAI, Publishers and Developers FAQ
- Ahrefs, AI Overview citations and top-10 rankings, 2 March 2026
- Ahrefs, brand mentions and AI Overview visibility, 26 May 2025
- Pew Research Center, Google users are less likely to click on links when an AI summary appears, 22 July 2025 (March 2025 data)
- BrightEdge Weekly AI Search Insights, August to October 2026
- AIA Home Design Trends Survey, Q2 2026 report, 20 May 2026
- AIA Home Design Trends Survey, Q3 2026 report, 26 August 2026
- Harvard Joint Center for Housing Studies, Improving America’s Housing 2025
- Deltek Clarity A&E Industry Study, 46th edition, 13 May 2025
- Deltek Clarity A&E Industry Study, 47th edition, 12 May 2026, and podcast recap, 9 July 2026