Key facts
- Most firms have 10 to 100 people, and the founder still sells and approves partners, while a head of delivery runs projects and tools.
- Anything that fills the pipeline or keeps engineers billable gets attention; anything that adds overhead does not.
- Agencies run their own domains and usually return clear check results.
- Paid plans show the status, and catch-all domains are labeled.
- FilterCopy the filters on this page.
- RevealSee emails and mobiles where available.
- SendOr export to your own tools.
Agencies live on utilization
A software agency earns money when engineers bill client hours. Owners watch bench time, the share of engineers not on a paid project, closely. Anything that fills the pipeline or keeps engineers billable gets attention; anything that adds overhead does not.
Roles
- Founder or CEO: new clients, partnerships, pricing.
- CTO: technical standards and tools.
- Head of Delivery or Operations: project management, staffing, contractors.
- Business Development lead: at firms over 50 people.
The Buzzlist filters for custom software firms
In Find, set the rows below. Leave the rest empty.
| Filter | Set it to |
|---|---|
| Industry & keywords: industry | It System Custom Software Development, Software Development |
| Industry & keywords: NAICS codes | 541511 |
| Industry & keywords: company keywords | custom software, mobile app development, web applications, nearshore |
| Job titles | Founder, CEO, Head of Delivery, CTO |
| Seniority level | Owner, C-suite / CXO, Director |
| Company size | 11 to 50 employees, 51 to 100 employees, 101 to 500 employees |
| Location | Your states, cities, or ZIP codes with a 5 to 100 mile radius |
Software Development alone mixes product companies with agencies. The custom software keywords keep the list to firms that build for clients.
Paid plans add AI search: say who you want in a sentence and Buzz ranks the matches. Plans and prices.
Partner angles
- Referral partnerships with firms that do not compete.
- White label overflow work.
- Hiring or staff augmentation.
Mistakes
- Mixing product companies with agencies.
- Pitching a developer tool to the founder of a 200-person firm.
- Sending to every engineer on the team.
Is the custom software firms data any good?
Agencies run their own domains and usually return clear check results. Paid plans show the status, and catch-all domains are labeled.
Paid reveals come with standard email verification, and if a Buzz Send email hard bounces, you get that contact back.
Questions about custom software firms data
What NAICS code do software agencies use?
NAICS 541511, Custom Computer Programming Services.
Who decides on partners at a software agency?
The founder or CEO, with the CTO for anything technical.
How do I find nearshore development firms?
Add nearshore as a company keyword, and use the company country filter if you want firms outside the US.
