Artificial intelligence has dominated the construction technology conversation in recent years. Amid that push, solutions that use AI for scheduling, permitting and preconstruction appealed to investors as 2025 drew to a close.
Here are six contech firms that pulled in fresh funding in Q4 of 2025.
PermitFlow
$54 million
New York City-based PermitFlow, a contech firm that aims to streamline the permitting process via artificial intelligence, has raised $54 million in a Series B funding round, according to a Dec. 2 news release. The round was led by Accel, with participation from Kleiner Perkins, Felicis and other existing investors.
Founded in 2021, PermitFlow says it has a proprietary set of more than 12 million permitting data points that it uses to feed AI agents to streamline automation in the permitting process.
Additionally, the firm provides a submission agent that helps contractors complete forms and file documents directly, per its website.
With the new funding, PermitFlow plans to expand its team, per the announcement.
Attentive.AI
$30.5 million
Wilmington, Delaware-based Attentive.AI, the company behind takeoff software firm Beam AI, raised $30.5 million in a Series B funding round, according to a Nov. 12 news release. The round was led by global software investor Insight Partners, with participation from Vertex Ventures, Tenacity Ventures and InfoEdge Venture Fund.
Beam AI has helped over 1,100 firms streamline the preconstruction process with its human-in-the-loop model, per the release. Users can upload their site plans, define the scope of the work and submit. Then, AI takes quantities of the plans and the QA team at Beam reviews the takeoff before it reaches the builder, per the company’s website.
With the funds, Attentive will accelerate the development of next-generation AI products and support the expansion into new markets, according to the release.
Unlimited Industries
$12 million
San Francisco-based Unlimited Industries, which calls itself an AI-native construction company, raised a $12 million Seed funding round, according to a Dec. 3 news release. The round was co-led by Andreessen Horowitz and CIV.
Unlimited Industries’ proprietary platform can generate and evaluate hundreds of thousands of design configurations in parallel, per the release. In addition, the platform is designed to identify optimal layouts for metrics such as cost, safety and performance prior to construction.
The company plans to use the cash to accelerate its expansion and further develop its proprietary AI platform, per the announcement.
ConCntric
$10 million
Greenbrae, California-based ConCntric, an AI-powered preconstruction platform, pulled $10 million in a Series A funding round, according to an Oct. 7 announcement. The round was led by 53 Stations with participation from Argonautic Ventures and other strategic investors.
ConCntric’s platform brings data, workflows and people into a single collaborative environment, allowing users to manage preconstruction in one workspace. Users can keep track of in-progress work using real-time data and move that information across projects, according to the company’s website.
With the money, ConCntric will expand its product capabilities with a focus on its agentic AI, called Amplify. The company also plans to grow its customer success, sales, marketing, product and engineering teams.
Kojo
$10 million
San Francisco-based Kojo, a materials and inventory management platform for the construction industry, received a $10 million Series C extension from Pittsburgh-based distribution and logistics services firm Wesco International, according to an Oct. 16 announcement.
As part of the funding, the companies will combine Kojo’s AI products with Wesco’s distribution network, according to the news release.
The combination will allow customers to eliminate manual data entry and email-based material tracking across all project phases, access real-time material status and avoid schedule delays, the firms said. Customers will also be able to deploy AI agents to assist in all procurement activities, scheduling tasks and distributor follow ups.
Planera
$8 million
Pleasanton, California-based Planera, a scheduling software provider for the construction industry, raised $8 million in additional funding, according to an Oct. 7 announcement from the company.
The funding comes as Planera, which helps contractors simplify the often complicated scheduling process, offers a new service geared toward data center construction customers. These include Ralph L. Wadsworth Construction, headquartered in Draper, Utah, and Minneapolis-based Ryan Cos., according to the news release. Both firms use Planera to aid in scheduling with large data center projects.
To that end, Planera has established a dedicated service team with deep data center knowledge to support its customers in the segment, the company said in the release. In addition, Planera has developed new AI tools to help identify potential project delays early and find opportunities to speed up customers’ project schedules.
