Did you just run into a file that has been digitally signed by Seagull Scientific Inc.? If so, please read on.
You will probably see Seagull Scientific Inc. when double-clicking to run the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screengrab shows:

You can also view the Seagull Scientific Inc. certificate with the following steps:
Here's a screengrab of a file signed by Seagull Scientific Inc.:

As you can see in the screencap above, Windows reports that "This digital signature is OK". This implies that the file has been published by Seagull Scientific Inc. and that the file has not been tampered with.
If you click the View Certificate button shown in the screenshot above, you can view all the details of the certificate, such as when it was issued, who issued the certificate, how long it is valid, and so on. You can also view the address for Seagull Scientific Inc., such as the street name, city and country.
Symantec Class 3 SHA256 Code Signing CA has issued the Seagull Scientific Inc. certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screengrab above.
The following are the Seagull Scientific Inc. files I've collected, thanks to the FreeFixer users.Unfortunately I don't have any scan result from VirusTotal available for the Seagull Scientific Inc. files at the moment. The scan results will appear here as soon as a FreeFixer user uploads a file digitally signed by Seagull Scientific Inc..
| Detection Ratio | File Name |
|---|---|
| Not available | OKI_2019.1.exe |
The analysis is based on certificates with the following serial numbers: