# Companies using OPC UA

7,891 companies use OPC UA, based on their job posts and their employees' public profiles. Hiring for it is steady, with 8,360 job posts naming it from October 2025 to August 2026. Software Engineer roles mention it most.

Data as of November 9, 2026. Source: Sumble.

## Which companies name OPC UA in the most job posts?

ABB, Siemens and Schneider Electric are among the companies with the most job posts naming OPC UA. Of the five companies in the table, Siemens has the most employees who list it on their profiles: 95.

| Company | Job posts | People | Recent job post |
|---|---:|---:|---|
| [ABB](https://sumble.com/orgs/abb) | 604 | 39 | "Defining industrial data and integration architectures utilizing technologies such as OPC UA, MQTT, APIs, edge computing, industrial historians, cloud platforms, and enterprise systems to enable secure…" (Digital Solution Architect – Energy Industries, Nov 6, 2026) |
| [Siemens](https://sumble.com/orgs/siemens) | 446 | 95 | "Developing and maintaining equipment-to-cloud data pipelines utilizing technologies such as Kafka, Node-RED, MQTT, and OPC UA." (Industrial IoT Engineer, Nov 1, 2026) |
| [Schneider Electric](https://sumble.com/orgs/schneider-electric) | 333 | 47 | "Configure and validate industrial communication protocols including IEC 61850, IEC 60870-5-101/104, DNP3, Modbus RTU/TCP, OPC UA, MQTT and other industry-standard protocols." (Team Lead, SEA region, Nov 7, 2026) |
| [Altran](https://sumble.com/orgs/capgemini-engineering) | 319 | 15 | "Integrate SCADA systems with PLCs and industrial systems using OPC UA, MQTT/Sparkplug B, Kepware, and standard protocols." (Digital Continuity & Manuf Engineer, Nov 5, 2026) |
| [Honeywell Technologies](https://sumble.com/orgs/honeywell) | 226 | 17 | "Troubleshoot and resolve issues with OPC DA, A&E, HDA, OPC UA, and related data integration tools in industrial environments, using Matrikon’s support resources." (Sr Tech Support Professional - Matrikon, Oct 21, 2026) |

## Is hiring for OPC UA growing?

OPC UA's share of job posts is about the same as three months earlier: 4.9 in every 10,000 job posts from June to August 2026, against 4.6 from March to May. From October to December 2025 it was 3.7.

| Month | Job posts naming it | All job posts | Per 10,000 job posts |
|---|---:|---:|---:|
| Oct 2025 | 454 | 1,413,673 | 3.2 |
| Nov 2025 | 722 | 1,822,119 | 4.0 |
| Dec 2025 | 492 | 1,236,103 | 4.0 |
| Jan 2026 | 702 | 1,828,002 | 3.8 |
| Feb 2026 | 738 | 1,856,647 | 4.0 |
| Mar 2026 | 843 | 1,850,711 | 4.6 |
| Apr 2026 | 774 | 1,728,886 | 4.5 |
| May 2026 | 892 | 1,821,509 | 4.9 |
| Jun 2026 | 926 | 1,909,496 | 4.8 |
| Jul 2026 | 899 | 1,815,180 | 5.0 |
| Aug 2026 | 918 | 1,835,698 | 5.0 |

## How many companies named OPC UA in a job post for the first time in recent months?

In the three months to August 2026, 547 companies posted about OPC UA for the first time. From March to May, 509 did. Over the 11 months from October 2025, 1,748 companies posted their first job naming it.

| Period | Companies naming it in a job post for the first time |
|---|---:|
| March to May 2026 | 509 |
| June to August 2026 | 547 |
| October 2025 to August 2026 | 1,748 |

Companies whose first job post naming it appeared in that period. Recruiters, staffing firms and job boards are left out.

## How do we know which companies use OPC UA?

6,016 of the 7,891 companies name OPC UA in their own job posts. 1,875 come from employees' profiles alone.

| How we know | Companies | Share |
|---|---:|---:|
| Job posts name OPC UA | 6,016 | 76% |
| Employees' profiles list OPC UA | 1,875 | 24% |

## What size are the companies that use OPC UA?

Smaller companies stand out among OPC UA users: companies with fewer than 50 employees are 29% of them, against 22% on the typical tech page. 962 of its companies have more than 5,000 employees.

| Size | Share | Typical tech page |
|---|---:|---:|
| Under 50 employees | 29% | 22% |
| 50 to 999 | 43% | 38% |
| 1,000 to 5,000 | 16% | 17% |
| Over 5,000 | 12% | 23% |

## Where are OPC UA companies based?

Beyond the United States (25%), OPC UA is unusually common in Italy, at 5.1% of its companies. Its companies are based in 91 countries and territories.

| Country | Companies | Share | Typical tech page |
|---|---:|---:|---:|
| United States | 1,879 | 25% | 43% |
| Germany | 1,145 | 15% | 4.4% |
| France | 493 | 6.6% | 4.6% |
| India | 401 | 5.3% | 6.9% |
| Italy | 386 | 5.1% | 1.5% |
| Spain | 317 | 4.2% | 1.8% |

## Which teams work with OPC UA?

OPC UA work is spread across teams. Engineering leads, at 81 companies. IT teams are second, at 55 companies, and automation teams third, at 48.

| Team | Companies |
|---|---:|
| Engineering | 81 |
| IT | 55 |
| Automation | 48 |
| R&D | 38 |
| Operations | 24 |
| Software | 22 |

## Which roles mention OPC UA most?

No single role dominates for OPC UA; Software Engineer leads with 13% of the job posts. Software Engineer posts naming it numbered 328 from March to May 2026 and 266 from June to August.

| Role | Share | Oct 2025 to Aug 2026 | Mar to May 2026 | Jun to Aug 2026 |
|---|---:|---:|---:|---:|
| Software Engineer | 13% | 1,100 | 328 | 266 |
| Automation Engineer | 12% | 970 | 273 | 335 |
| Control Engineer | 9.6% | 802 | 221 | 307 |
| Skilled Trades | 3.9% | 329 | 99 | 76 |
| IT Support | 2.7% | 228 | 65 | 65 |
| Embedded Engineer | 2.6% | 219 | 75 | 49 |

## Which companies started naming OPC UA in job posts recently?

Between April and August 2026, OPC UA appeared for the first time in job posts at 570 companies: 358 commercial, 142 mid-market and 70 enterprise. Grand Pharmaceutical Group Limited has the most job posts of the new commercial companies, 7 from April to August.

| Group | Company | Job posts, April to August 2026 |
|---|---|---:|
| AI native | [OpenAI](https://sumble.com/orgs/openai) | 3 |
| AI native | [Katalyze AI](https://sumble.com/orgs/katalyzeai) | 2 |
| AI native | [Tristar AI](https://sumble.com/orgs/tristar-ai) | 2 |
| AI native | [SmartMore Corporation](https://sumble.com/orgs/smartmore-global) | 1 |
| AI native | [Aureka Biotechnologies, Inc.](https://sumble.com/orgs/aurekabio) | 1 |
| Commercial | [Grand Pharmaceutical Group Limited](https://sumble.com/orgs/远大医药-中国-有限公司) | 7 |
| Commercial | [Dimensional Brasil](https://sumble.com/orgs/dimensional-brasil) | 6 |
| Commercial | [Grenergy](https://sumble.com/orgs/grenergy-renovables) | 6 |
| Commercial | [Qualitrol](https://sumble.com/orgs/qualitrol) | 5 |
| Commercial | [JCB North America](https://sumble.com/orgs/jcb-north-america) | 5 |
| Mid-market | [Constellation Brands](https://sumble.com/orgs/constellation-brands) | 6 |
| Mid-market | [Edwards Vacuum](https://sumble.com/orgs/edwards-vacuum) | 6 |
| Mid-market | [Heidelberger Druckmaschinen AG](https://sumble.com/orgs/heidelberger-druckmaschinen) | 6 |
| Mid-market | [Etteplan](https://sumble.com/orgs/etteplan) | 6 |
| Mid-market | [Hexion Inc.](https://sumble.com/orgs/hexion) | 5 |
| Enterprise | [Amentum](https://sumble.com/orgs/amentum) | 4 |
| Enterprise | [Web Structures](https://sumble.com/orgs/web-structures) | 4 |
| Enterprise | [Micron Technology](https://sumble.com/orgs/micron-technology) | 3 |
| Enterprise | [Publicis Sapient](https://sumble.com/orgs/publicis-sapient) | 3 |
| Enterprise | [YPF](https://sumble.com/orgs/ypf) | 3 |

Companies that named OPC UA in a job post for the first time between April and August 2026, ranked by their job posts in those months. AI-native companies get a group of their own, whatever their size. Recruiters and job boards are left out.

## What else do OPC UA companies use?

Compared with companies of the same size, OPC UA companies stand out for using EtherCAT and MQTT. Profinet is 21 times as common as usual, at 34%.

| Tool | Companies | Also name it | Typical | Times as common |
|---|---:|---:|---:|---:|
| EtherCAT | 625 | 14% | 0.59% | 23 times |
| MQTT | 2,402 | 52% | 2.3% | 23 times |
| Profinet | 1,560 | 34% | 1.6% | 21 times |
| Ignition | 852 | 19% | 0.9% | 21 times |
| DNP3 | 558 | 12% | 0.61% | 20 times |
| Modbus | 2,954 | 64% | 3.4% | 19 times |
| Beckhoff | 578 | 13% | 0.68% | 18 times |
| Ethernet/IP | 1,454 | 32% | 1.7% | 18 times |

Shares are out of the 4,581 companies whose job posts name OPC UA, not counting firms whose job posts name almost every technology.

## Which project themes come up in OPC UA job posts?

Digital transformation is the broadest theme in OPC UA job posts (2,721); the most common specific one is Data Infrastructure Migration, at 183. After that comes Microservices Migration, with 181.

| Project theme | Job posts |
|---|---:|
| Digital Transformation | 2,721 |
| Data Infrastructure Migration | 183 |
| Microservices Migration | 181 |
| Cloud Cost Optimization | 63 |

## About this data

Sumble built this page. Sumble gives sales, marketing and other GTM teams technographics and hiring signals for the companies they sell to: the technologies each company uses, which teams are hiring and for what, and who reports to whom. That helps a team know who to contact, why now, and what to say.

Sumble covers more than 3.6 million companies, 93 million job posts collected since 2022 and 194 million employee profiles, and tracks more than 37,000 technologies. It finds which technologies a company uses by reading its job posts and its employees' public profiles.

Sumble has a free plan, and the same data is available through its API and MCP server.

A company counts when its own job posts or its employees' public profiles name the technology. Hiring is that technology's share of all job posts collected each month. Quotes are copied word for word from the companies' job posts.

Every figure on this page comes from Sumble's own analysis, and you won't find it outside Sumble.