Qognify Inc. entered into a definitive agreement to purchase On-Net Surveillance Systems Inc. and its unit SeeTec GmbH.

Financial terms were not disclosed. The deal is slated to close by year-end and is subject to certain conditions and satisfaction of terms.

Qognify, backed by venture capital firm Battery Ventures, provides physical security and enterprise incident management services to financial institutions, transportation agencies, airports, seaports, utility companies, city centers and high-profile public events.

On-Net, headquartered in Pearl River, N.Y., develops internet-protocol video-surveillance-management software. The company bought SeeTec, a Germany-based video-management-software retailer, in April 2015.

Battery Ventures provides capital to software and services, web infrastructure, consumer internet, mobile and industrial technologies sectors.