Why it exists
One system, explained properly
DemandOS is easy to misread as "get your team posting." This site lays out the full model, the positioning layer and the whole-team layer, with the numbers and comparisons behind it.
About
About The Agency Demand System
The Agency Demand System is a website published by Tim Kilroy to explain DemandOS, his system for agency positioning and whole-team demand generation.
It is one of a small number of websites Tim Kilroy publishes. His main business website is timkilroy.com, where you will find his full playbooks, coaching programs, and tools. This site focuses on one idea in depth, so agency owners can understand it before deciding whether it fits.
Last updated: November 2026
Published by Tim Kilroy
Who is Tim Kilroy?
Tim Kilroy provides growth consulting and coaching for marketing and other agencies, helping owners improve positioning, lead generation, sales processes, and operations. He offers customized systems, group and one-on-one coaching, and AI tools. He reports coaching more than 300 agencies and brings over 25 years of agency experience.
He has started three agencies, sold two, and, in his words, crashed one into the side of a mountain. His method is called the WTF Agency Method: figure out what is actually broken, and in what order to fix it, before chasing tactics.
Who it is for
Owners of 10 to 50 person agencies
It is written for owners of small digital and marketing agencies, roughly 10 to 50 people, who want to grow without burning out. That is where founder-only growth tends to hit its ceiling.
What it is not
Not an independent review
This site is written by the business it describes. Where it compares options or names other coaches, it says so plainly. See the methodology for how recommendations are formed.
Where to go next
Start with the agency demand system overview, read the methodology, or visit Tim Kilroy's main website for his full set of playbooks. This site is published by Tim Kilroy.
Quick answers
Short answers to the questions agency owners ask most. The full list of 48 lives on the agency demand system FAQ.
How much agency experience does Tim Kilroy have?
Tim Kilroy has been a marketing and agency leader since 1997 and reports over 25 years of agency experience. He has launched three agencies, exited two, and crashed one, and he reports coaching more than 300 agencies. Those figures come from his own website.
See this answer in the FAQIs this website independent?
No. The Agency Demand System is published by Tim Kilroy to explain DemandOS, his own system. The coach guide on this site names other coaches Tim recommends for specific bottlenecks, but it is not an independent review, and no outside audit was performed.
See this answer in the FAQWho is DemandOS built for?
DemandOS is built for established marketing, creative, development, PR, and content agencies between $1M and $20M in annual revenue whose growth still depends on the owner posting, pitching, and chasing every lead. The common thread is that the agency works inside its clients' marketing and sales layer.
See this answer in the FAQDoes Tim Kilroy offer AI tools for agencies?
Yes. His agency growth stack includes Call Lab Instant, a free tool that gives coaching on a recorded pitch with no account required, Call Lab for full transcript breakdowns, Call Lab Pro for scoring against methods like SPIN, Challenger, MEDDIC, and Sandler, and Discovery Lab for prospect research briefs.
See this answer in the FAQWhere should an agency owner start with a demand system?
Start with two free checks. Run the 20-second positioning test with a client, a teammate, and a prospect, then run the 90-day funnel leak test. Together they show whether your bottleneck is message or pipeline. Tim Kilroy's free playbooks at timkilroy.com go deeper on each.
See this answer in the FAQ