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5.29.26
Wilson Sonsini Advises Arc on $10.76 Million Seed Funding
On May 26, 2026, voice AI start-up Arc announced the launch of its drive-through platform and a $10.76 million Seed funding round led by Andreessen Horowitz, with participation by Adverb Ventures, Broadway Restaurant Group, LLC, United Talent Agency, and others. Wilson Sonsini Goodrich & Rosati advised Arc on the financing.
Founded by Square and Cash App veterans Mike MacLennan and Ali Hussain, Arc is the only voice AI platform purpose-built to bring e-commerce-grade optimization to the drive-through. Powered by its proprietary AI voice ordering system, Arc’s platform “lets operators manage their drive-through with the precision, measurability, and curated experience of a modern digital channel,” according to MacLennan. The company is already working with two major fast-food chains and says its system can complete orders on its own over 95 percent of the time.
The Wilson Sonsini team that advised Arc on the financing included Mark Baudler, Jonathan Chan, Jocqui Kaup, Peter Bratton, James Power, Mounika Yepuri, and Annie Xu.
For more information, please see coverage from Fortune and Startup Fortune.
Founded by Square and Cash App veterans Mike MacLennan and Ali Hussain, Arc is the only voice AI platform purpose-built to bring e-commerce-grade optimization to the drive-through. Powered by its proprietary AI voice ordering system, Arc’s platform “lets operators manage their drive-through with the precision, measurability, and curated experience of a modern digital channel,” according to MacLennan. The company is already working with two major fast-food chains and says its system can complete orders on its own over 95 percent of the time.
The Wilson Sonsini team that advised Arc on the financing included Mark Baudler, Jonathan Chan, Jocqui Kaup, Peter Bratton, James Power, Mounika Yepuri, and Annie Xu.
For more information, please see coverage from Fortune and Startup Fortune.
Client Highlights
4.03.26
Wilson Sonsini Advises Latitude on $8 Million Financing
On March 31, 2026, Latitude, a cross-border payments company, emerged from stealth and announced an $8 million financing round led by NEA, with participation from Lightspeed Faction, Coinbase, Paxos, and Solana Foundation, among other investors. Latitude’s flagship product, Global Fiat Payouts, enables U.S. businesses to pay recipients in more than 50 countries by converting dollars to stablecoins and then into local fiat currency. Its second product, International Stablecoin On-and-Off-Ramps, is embeddable directly into wallets and fintechs, and gives users a single API to move between local fiat and stablecoins across multiple markets.
Client Highlights
2.05.26
Wilson Sonsini Advises ElevenLabs on $500 Million Series D
On February 4, 2026, ElevenLabs announced that it has raised $500 million in a Series D financing round led by Sequoia Capital. Andreessen Horowitz and ICONIQ also participated in the investment along with new investors Lightspeed Venture Partners, Evantic Capital, and BOND. Wilson Sonsini Goodrich & Rosati advised ElevenLabs on the transaction.
Client Highlights
1.08.26
Wilson Sonsini Advises Soley Therapeutics on $200 Million Series C Financing
On January 7, 2026, Soley Therapeutics, a science-first, tech-enabled drug discovery and development company, announced a $200 million Series C financing to advance its proprietary cell stress sensing platform and pipeline of novel therapeutics into the clinic. New investors in this round included Surveyor Capital as primary investor, joined by HRTG Partners, RWN Management, and others. Existing Soley investors, including Doug Leone Family Fund, Breyer Capital, and GordonMD Global Investments® LP, and other undisclosed investors also participated. Wilson Sonsini Goodrich & Rosati advised Soley on the transaction.
The proceeds from the Series C will support IND-enabling work and clinical trials for two first-in-class internally discovered and developed oncology assets, in addition to advancement of the non-oncology stress-reducing drug candidates for neurodegenerative disorders and metabolic diseases, as well as continued platform scale-up.
The proceeds from the Series C will support IND-enabling work and clinical trials for two first-in-class internally discovered and developed oncology assets, in addition to advancement of the non-oncology stress-reducing drug candidates for neurodegenerative disorders and metabolic diseases, as well as continued platform scale-up.
Client Highlights
11.19.25
Wilson Sonsini Advises House Rx on $55 Million Series B
On November 12, 2025, House Rx, a health tech company focused on making specialty medications more accessible and affordable for patients, announced it has raised $55 million in Series B equity and debt to expand its in-clinic specialty pharmacy model. The financing was led by New Enterprise Associates and Town Hall Ventures, and included participation from LRVHealth, First Round Capital, Bessemer Venture Partners, and Silicon Valley Bank. Wilson Sonsini Goodrich & Rosati advised House Rx on the transaction.
Client Highlights
10.03.25
Wilson Sonsini Advises Plantd on $22 Million Series B
On September 29, 2025, Plantd, an advanced production technologies company transforming fast-growing perennial grass into carbon-negative building materials, announced the closing of its $22 million Series B funding round. Wilson Sonsini Goodrich & Rosati advised Plantd on the transaction.
Client Highlights
9.09.25
Wilson Sonsini Advises Observo AI on Acquisition by SentinelOne
On September 8, 2025, SentinelOne, a leader in AI-native security, announced its intent to acquire Observo AI, the category-defining data streaming platform for AI-native telemetry pipeline management. The acquisition will enhance SentinelOne's AI capabilities by accelerating data ingestion, enriching telemetry, and automatically adapting to emerging threats. Wilson Sonsini Goodrich & Rosati is advising Observo AI on the transaction.
Client Highlights
7.17.25
Wilson Sonsini Advises Substack on $100 Million Series C
On July 17, 2025, media platform Substack announced the completion of a $100 million Series C funding round led by investors at BOND and The Chernin Group, with participation from Andreessen Horowitz and other investors. Wilson Sonsini Goodrich & Rosati advised Substack on the transaction.
Client Highlights
7.08.25
Wilson Sonsini Advises Landbase on $30 Million Series A Funding
In June 2025, Landbase, a San Francisco, CA–based agentic AI company, announced their $30 million Series A funding. The round was led by Sound Ventures and Picus Capital, with participation from 8VC, A*, Firstminute Capital, and TheGP. Wilson Sonsini Goodrich & Rosati represented Landbase in the financing.
Client Highlights
5.12.25
Firm Advises Redaptive on Corporate Aspects of $650 Million Credit Facility
On May 8, 2025, Redaptive, a leading Energy-as-a-Service (EaaS) provider, announced the successful closing of a $650 million credit facility from CDPQ, a global investment group, and Nuveen, the investment manager of TIAA. This facility strengthens Redaptive's ability to scale its innovative platform, meet accelerating customer demand, and deliver measurable business value through energy efficiency, renewable generation, and data-driven building performance. Wilson Sonsini Goodrich & Rosati advised Redaptive in connection with corporate aspects of the transaction.
Redaptive will leverage this capital to continue its support of enterprise customers with data-driven efficiency and energy generation programs, including HVAC, LED lighting, solar, storage and metering solutions, and other upgrades that can be deployed at large-scale multi-site portfolios. This additional financing will enable Redaptive to expand its reach, increase project deployments, and further develop its solutions across the U.S., Canada, and certain European jurisdictions.
The Wilson Sonsini team that advised Redaptive included Bob O’Connor, Melissa Rick, Jocqui Kaup, Viet Nguyen, Jill Fulwiler, Michelle Mealer, and Karen Becker.
For more information, please see Redaptive’s news release.
Redaptive will leverage this capital to continue its support of enterprise customers with data-driven efficiency and energy generation programs, including HVAC, LED lighting, solar, storage and metering solutions, and other upgrades that can be deployed at large-scale multi-site portfolios. This additional financing will enable Redaptive to expand its reach, increase project deployments, and further develop its solutions across the U.S., Canada, and certain European jurisdictions.
The Wilson Sonsini team that advised Redaptive included Bob O’Connor, Melissa Rick, Jocqui Kaup, Viet Nguyen, Jill Fulwiler, Michelle Mealer, and Karen Becker.
For more information, please see Redaptive’s news release.
Client Highlights
1.30.25
Wilson Sonsini Advises ElevenLabs on $180 Million Series C Funding
On January 30, 2025, ElevenLabs announced that it has raised $180 million in a Series C funding round to make speech the new standard for digital interaction. The round was co-led by a16z and ICONIQ Growth, with additional new investors NEA, World Innovation Lab (WiL), Valor, Endeavor Catalyst Fund, and Lunate. Existing investors Sequoia Capital, Salesforce Ventures, Smash Capital, SV Angel, NFDG, and BroadLight Capital are also increasing their support. The company is further partnering with strategic investors, including Deutsche Telekom, LG Technology Ventures, HubSpot Ventures, NTT DOCOMO Ventures, and RingCentral Ventures. Wilson Sonsini Goodrich & Rosati advised ElevenLabs on the Series C transaction.
Client Highlights
10.29.24
Wilson Sonsini Advises Redaptive on $100 Million Equity Investment
On October 22, 2024, Redaptive, a leading Energy-as-a-Service (EaaS) provider, announced it has secured an additional $100 million equity investment from the Canada Pension Plan Investment Board (CPP Investments). This strategic capital infusion will support Redaptive to accelerate its growth in projects and enhance its service offering to better serve its rapidly growing customer base and ecosystem of energy performance developers and contractors in their growing demand for decarbonization and drive significant progress toward their net-zero goals. Wilson Sonsini Goodrich & Rosati advised Redaptive on the transaction.
Redaptive partners with major corporations to support their net zero goals through fully-funded, end-to-end energy-saving and renewable upgrades. The company's proprietary technology solutions are utilized at over 40 Fortune 500 companies.
The Wilson Sonsini team that advised Redaptive on the transaction includes Bob O’Connor, Melissa Rick, Jocqui Kaup, Viet Nguyen, Michelle Mealer, Kimberley Biagioli, and Jill Fulwiler.
Redaptive partners with major corporations to support their net zero goals through fully-funded, end-to-end energy-saving and renewable upgrades. The company's proprietary technology solutions are utilized at over 40 Fortune 500 companies.
The Wilson Sonsini team that advised Redaptive on the transaction includes Bob O’Connor, Melissa Rick, Jocqui Kaup, Viet Nguyen, Michelle Mealer, Kimberley Biagioli, and Jill Fulwiler.