Selling a control system integrator: PLC code ownership and licensable records
When selling a control system integrator, code and specifications delivered to client plants are usually client-owned, while internal libraries, standards, test procedures and troubleshooting histories may belong to the integrator and be licensable through SourceX. Advisors should confirm contracts first, then introduce firms with 50+ full-time employees at peak.
What can a control system integrator license?
An integrator's own libraries, standards, test procedures and troubleshooting histories may be licensable through SourceX, while PLC and HMI code delivered to a plant is usually owned by, or restricted by, the client. An advisor should separate the two before marketing the firm, because the split shapes both the sale story and what a license can include.
Integrators win work by reusing know-how: a tested motor-control block, a standard alarm scheme, a FAT script that has caught problems before. That internal know-how, and the record of how projects actually went, is the part that survives when client deliverables are taken out.
Which integrator records fit, and which do not?
| Record | Typical owner | Treatment |
|---|---|---|
| Functional design specifications for a client plant | Usually the client, under the contract | Exclude unless the contract allows reuse |
| Delivered PLC and HMI project files | Usually the client, often with license terms for embedded vendor software | Exclude |
| Internal code libraries and function blocks | The integrator, if built outside client scope | Review contracts, then candidate |
| Coding standards, naming conventions, templates | The integrator | Candidate |
| FAT and SAT test records | Mixed: procedure is the integrator's, results name the client | Candidate with client details removed |
| Commissioning issue logs and punch lists | Mixed | Candidate after client and plant identifiers are removed |
| Service tickets and remote-support notes | The integrator, though they may reference client assets | Candidate after review |
| Quote history and project estimates | The integrator | Candidate |
Vendor tools add another layer. Programming environments and licensed libraries from controls manufacturers come with their own terms, and some embedded content cannot be redistributed. Counsel should read those terms before anything is described as licensable. This is general information, not legal, tax or financial advice.
Why would AI buyers want integrator records?
AI developers working on agents that diagnose faults, write control logic or plan commissioning need examples of how real engineers work through problems. A troubleshooting log that moves from symptom to cause to fix, a punch list closed over weeks and an estimate revised after a scope change each show a sequence of decisions with an outcome. These records are thin on the public web.
The 5-document ownership test
Before the advisor raises SourceX with the owner, ask the integrator to pull five documents for its three largest recent clients:
- The master services or supply agreement, specifically the intellectual property and confidentiality clauses
- One statement of work showing what was delivered
- The standards or template library the integrator keeps outside client scope
- A sample FAT or SAT record with its approval page
- The service agreement that covers remote access and logs
If the IP clause assigns all work product, including reusable components, to the client, the library story weakens, and the integrator may have to rely on service and internal-process records. The ownership and permission checklist lists the questions in more detail.
Does the firm meet the baseline?
The integrator needs 50+ full-time employees at peak (contractors excluded), several years of documented operations, rights to license the data and an authorized sponsor. Many integrators use contract engineers heavily, so count carefully. Check who qualifies and run the company fit checker, a preliminary non-binding screen. Remaining criteria include records across several systems, such as a project-management tool, a source-control server, an engineering document store, ERP, ticketing and email.
When should an advisor raise it?
| Moment | Why it works | Conversation opener |
|---|---|---|
| Valuation conversation | Owner is asked what the firm owns beyond people | Which libraries and standards are yours? |
| Preparing the CIM | Intellectual property section is drafted | Where is the template library stored, and who maintains it? |
| Buyer interest from a sponsor | Diligence will ask about IP | Do client contracts assign reusable code? |
| Platform migration | Source control or document system changes | Is a full export of the old store preserved? |
| Earn-out or deferred exit | Owner wants proceeds before closing | Would a one-time license payment fit our timeline? |
Other advisors working with industrial services firms can compare equipment rental and contract manufacturing, which have similar client-versus-company splits. Integrators serving construction sites should also see the guide on construction safety consultants. For the advisor role overall, see referral opportunities for M&A advisors.
How does the introduction run?
- Share your referral link with the owner, or submit the integrator through the referral form.
- SourceX checks size, history, breadth and rights with the sponsor.
- The integrator maps its project-management, source-control, document and ticketing systems and export routes in a data inventory.
- SourceX and the owner settle price and terms, including which client-related content is excluded.
- Buyers review the opportunity, and a deal-ready company typically hears back within about two weeks.
- If a deal closes, the data is delivered under an executed agreement and the integrator is paid one all-in price, typically within about 60 days of invoicing once the buyer selects the data.
You never receive code, specs or test records.
How do rewards work?
Partners earn 25% of the eligible platform fees SourceX actually collects from the referred company's licensing deals, capped at $100,000 per referred company. The reward is paid only after the buyer pays and SourceX receives its fee; no reward is guaranteed. Advisors should check their engagement letters and any registration or disclosure rules that apply to them; see the program terms.
When is it not a fit?
- Contracts assign all work product, including reusable libraries, to clients and the firm keeps little else.
- Without contract engineers, the firm never reached 50+ full-time employees at peak.
- Source control was cleaned up and old projects deleted.
- The owner is unwilling to grant an exclusive license for any term.
Next step
Ask one integrator client for the five documents. If the picture is clear, register as a partner and make the introduction, or point the owner to sourcex.si/apply with your referral link.
- Step 1Share your linkSend your personal link to a company you know.
- Step 2Company appliesThe company applies itself at /apply.
- Step 3Buyer selects and paysThe buyer selects and pays for the data and SourceX receives its fee.
- Step 4You get your rewardYour share of SourceX fees becomes payable.
Common questions
Who owns the PLC code an integrator writes for a client?
It depends on the contract. Many agreements assign delivered work product to the client, and embedded vendor software has its own terms. Advisors should read the intellectual property clause with the integrator's counsel and treat delivered projects as excluded unless the contract clearly says otherwise.
Can an integrator license its internal function-block library?
Possibly, if it was built outside client scope and no contract assigns it to a client. Vendor library terms also matter. The integrator's counsel should confirm ownership before the library is described as licensable in a data inventory.
Are FAT and SAT records licensable?
Often in part. The test procedure is typically the integrator's, while results name the client and plant. With client and site identifiers removed under agreed redaction rules, the records can show how testing and commissioning decisions were made.
Does a license conflict with an exit?
It can if the buyer expects unrestricted use of the firm's intellectual property. Coordinate with the deal team so exclusivity and term fit the purchase agreement. Some owners license first for income, others wait until after closing.
Do contract engineers count toward 50 employees?
No. Contract engineers are excluded from the count, which is 50+ full-time employees at peak. Because many integrators lean on contractors, confirm the headcount with the owner before you spend time on the ownership documents.
Related pages
- Ownership and permission questions for company system records
- Which US businesses are a fit for a SourceX data licensing introduction
- Check Company Fit for Data Licensing
- Equipment rental private equity: utilization and maintenance records
- Contract manufacturer acquisitions: customer designs versus the CM's own records
- Construction safety consultants: safety records, prequalification and referrals
Free resources
- Client opportunity brief generator — An editable intro email, summary and checklist.
- Days sales outstanding calculator — How many days customers take to pay.
- Business succession planning assessment — Ten questions on successor, transition and documentation.
- All free tools · MCP resource center
By SourceX Partnerships Team · Published 2026-10-09 · Updated 2026-10-09
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