SiFi Networks
SiFi Networks funds, builds, and operates citywide open access 10 gig fiber networks across US municipalities under its FiberCity® brand, leasing wholesale capacity to multiple ISPs. It filed Chapter 11 bankruptcy in June 2026 after APG and PATRIZIA acquired it.
- Company typePrivate
- Founded2013
- HeadquartersMorristown, United States
- Headcount11–50
- GTM typeB2B
- OfferingServices
What SiFi Networks does
SiFi Networks America, Ltd. is a privately held US wholesale fiber infrastructure operator founded in 2013 and headquartered in Wilmington, Delaware. The company funds, builds, and operates citywide open access fiber-optic networks under its FiberCity® brand, deploying 10 gig-enabled symmetrical gigabit infrastructure using microtrenching construction methods and its proprietary FOCUS™ build-cost reduction system. The architecture is a three-layer model that separates infrastructure ownership (SiFi), active network operation, and retail service delivery by multiple ISPs, enabling a shared neutral platform rather than a vertically integrated broadband utility.
The company's commercial model targets municipal governments as anchor partners through public-private partnerships that require no upfront public capital, with cities receiving citywide fiber coverage in exchange for long-term franchise or lease agreements. Revenue is generated primarily through recurring wholesale access fees paid by ISPs (T-Mobile Fiber, Viasat, GigabitNow, Flume, Anthem Connect, SUMOFIBER and others) that lease capacity on the network to deliver retail broadband to residents and businesses. A secondary revenue line comes from managed services and construction oversight, while the FiberCity® Aid subsidy program and Digital Inclusion initiative address lower-income and digitally underserved households. Customers include the Cities of Kenosha (WI), Simi Valley (CA), Farmington (MI), Fullerton (CA), Oceanside (CA), Palmdale (CA), Placentia (CA), Rancho Cordova (CA), and Rockford (IL), with Cleveland (OH) terminated in May 2026.
As of November 2025 the company reported over 290,000 passings and 130,000 serviceable addresses across 11 cities in 5 states, with cumulative equity commitments in excess of $1 billion. In April 2026, SiFi was acquired by Dutch pension fund manager APG and German investment firm PATRIZIA for an undisclosed sum. Less than two months later, on June 5, 2026, SiFi Networks America, LLC filed for Chapter 11 bankruptcy protection in Delaware, reporting $1–10M in assets, $10–50M in liabilities, $26.4M in known unsecured obligations, and only $206,000 in cash. The filing was triggered by the UK parent company's entry into insolvency proceedings, discontinuation of funding, and an approximately $17.5M arbitration award the company could not satisfy. An insider §363 sale process through ArcLink Fiber LLC, the prepetition secured and DIP lender, is the stated path forward.
SiFi Networks firmographics
Firmographics- Name
- SiFi Networks
- Legal name
- SiFi Networks America Ltd
- Website
- https://sifinetworks.com
- Company type
- Private
- Founded year
- 2013
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- SiFi Networks funds, builds, and operates citywide open access 10 gig fiber networks across US municipalities under its FiberCity® brand, leasing wholesale capacity to multiple ISPs. It filed Chapter 11 bankruptcy in June 2026 after APG and PATRIZIA acquired it.
- Ownership category
- akta.pro rank
SiFi Networks industry classification
Industry- Product category
- Open Access Fiber Infrastructure
- NAICS
- Wired Telecommunications Carriers (517111), Wired and Wireless Telecommunications Carriers (except Satellite) (51711)
- SIC
- Communications Services, Nec (4899)
- akta.pro primary industry
- Open-Access Fiber Network Operators (Wholesale-Only) (HDAIACAF)
- akta.pro secondary industries
- Neutral-Host Fiber & Shared Access Network Operators (HDAIACAJ), Fiber-to-the-Home (FTTH) Operators (HDAIACAB), Municipal & Community Broadband Networks (HDAIACAE)
Keywords
Where SiFi Networks is headquartered
LocationHeadquarters
- HQ city
- Morristown
- HQ country
- United States
- HQ region
- North America
Offices2 records
Markets served
SiFi Networks business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Infrastructure, Supply Chain, Personnel, Operations, Marketing or Sales, Technology or R&D
Revenue model
- Wholesale Network Access Fees: ISPs pay recurring fees to lease access to the shared open access fiber network. Multiple service providers operate on the same infrastructure, each paying access fees to SiFi Networks. This creates pre-contracted, long-term recurring revenue streams from multiple providers per city.
- Municipal Partnership Fees: Cities and municipalities enter into long-term lease or partnership agreements with SiFi Networks for the construction and operation of citywide fiber infrastructure. Municipalities benefit from broadband infrastructure without upfront capital investment, and SiFi Networks recovers investment through wholesale access fees from ISPs.
- Network Construction Services: SiFi Networks funds, builds, and operates the fiber networks. Private equity and institutional investment (over $1 billion in equity commitments) funds the construction. Revenue is generated through the operational network rather than upfront construction fees.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Multi-year contract | Open Access Wholesale Network Access — ISP wholesale fees |
Go-to-market motion3 records
Distribution channels2 records
Marketing channels7 records
SiFi Networks product offering
Product offeringCore offering
SiFi Networks funds, builds, and operates citywide open access 10 gig-enabled fiber-optic networks branded as FiberCity® under public-private partnerships with municipalities. The company owns and operates the passive fiber infrastructure, leases access to multiple internet service providers (ISPs), and enables those ISPs to deliver competing retail broadband services to residential and business customers over a single shared neutral network.
Product overview
SiFi Networks operates FiberCity®, a citywide open access fiber network infrastructure platform. The three-layer model separates infrastructure ownership (managed by SiFi), active electronics operation, and retail service delivery by multiple ISPs. FiberCity® networks are built using FOCUS™ construction technology and provide 10 gig-enabled symmetric connectivity to every premise. Supporting programs include FiberCity® Aid (subsidized connectivity for lower-income households) and the Digital Inclusion Program (digital literacy and device access via libraries and community organizations). The company pioneered open access fiber models in the US approximately 12 years ago.
Differentiator
Problem solved
Functional benefit
Brands
- FiberCity®: The company's citywide, open access, 10 gig-enabled fiber network brand deployed across U.S. cities.
Quantifiable outcome
- Home values can increase by 6% with fiber deployment (FTTH Council research cited by SiFi Networks)
- +3 more outcomes
Companies that use SiFi Networks
Customer profileNamed customers10 records
Segments4 records
Ideal customer profiles3 records
SiFi Networks technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature6 records
SiFi Networks partnerships and signals
Strategic signalPartnerships
Seven partnerships are on record, tiered core and minor.
- ViasatcoreSiFi Networks and Viasat collaborate to power Escondido, CA and Simi Valley, CA with next-generation fiber connectivity. SiFi Networks handles network construction and operation while Viasat offers internet services and support to homes and businesses through Viasat Fiber, providing 100% fiber internet to residents.
- NokiacoreNokia serves as SiFi Networks' network operating partner, providing active electronics and smart city infrastructure expertise. Nokia joined SiFi Networks CEO Ben Bawtree-Jobson at industry conferences to discuss smart city initiatives and network planning for future-proofing communities.
- SUMOFIBERcoreSUMOFIBER joined the Rockford FiberCity network to deliver high-speed fiber services to multi-dwelling units (MDUs), HOAs with more than 12 units, and commercial properties citywide. The ISP has over a decade of experience delivering reliable customer-focused internet solutions.
- T-Mobile FibercoreT-Mobile Fiber operates on the Rockford FiberCity open access network, currently serving single-family homes and smaller residential buildings with fiber internet services.
- Rockford Public LibrarycoreSiFi Networks partnered with Rockford Public Library to launch the DigiLibrary mobile learning center, donating equipment and high-speed internet access. The program provides 36 Chromebooks, digital literacy programming for all ages, and technology education to communities lacking digital access.
- Farmington Community LibraryminorSiFi Networks made a $10,000 donation to Farmington Community Library in summer 2024 to expand access to workforce development tools, laptops, and essential software for residents. The company was recognized with an engraved book plate on the library's Donors' Special Collection bronze art piece.
- Community Libraries and Organizations (Digital Inclusion)coreSiFi Networks collaborates with public libraries and community organizations through its Digital Inclusion Program built on three core pillars: Educate, Enable, and Excite. Programs include device donations, tailored educational workshops, and community digital literacy initiatives to promote digital equity.
Scale indicators11 records
Recent moves7 records
Expansion highlights6 records
SiFi Networks competitors and assessment
Company assessmentBroad incumbents
- Google Fiber: Google Fiber is a major US fiber-to-the-home ISP operating in select metro markets, building citywide gigabit fiber infrastructure. While Alphabet-backed and operating as a retail ISP rather than open-access wholesale, it competes directly with SiFi for municipal franchise agreements and represents the scaled-incumbent benchmark for FiberCity economics.
- Spectrum (Charter Communications): Charter's Spectrum is one of the largest US cable/broadband providers, deploying fiber deep into its HFC network and competing against open-access fiber entrants like SiFi in the same municipal markets. It represents the legacy incumbent that open-access models like FiberCity are designed to disrupt.
- Brightspeed: Brightspeed is a major US wireline broadband provider building fiber-to-the-home across 20+ states, focused on Tier-2/Tier-3 markets. Its scale and municipal relationships position it as a significant competitor for SiFi's target city markets.
- Frontier Communications: Frontier is a large incumbent fiber/wireline carrier operating across the US with active FTTH expansion plans in suburban and exurban markets. It competes with SiFi for municipal franchise opportunities and overbuilds similar demographic profiles.
- Consolidated Communications: Consolidated Communications is a large incumbent fiber/wireline carrier now owned by Searchlight Capital and BCI, actively expanding FTTH across its Midwest and Northeast footprint. It represents a scaled incumbent that competes with SiFi for municipal broadband opportunities in similar mid-size markets.
- Crown Castle Fiber: Crown Castle owns and operates extensive fiber infrastructure across the US, including metro fiber networks connecting cell towers, enterprises, and wholesale customers. While primarily a wholesale fiber operator rather than a last-mile FTTH builder, it shares the wholesale open-access fiber business model and competes for similar dark fiber and lit services customers.
Direct peers
- Ting Internet: Ting Internet is a fiber-to-the-home provider that builds and operates municipal and citywide fiber networks in selected US markets, sharing SiFi's city-focused, infrastructure-build approach. Unlike SiFi's wholesale open-access model, Ting operates its own retail ISP, but the underlying fiber deployment economics and target municipal customers are highly comparable.
- Metronet: Metronet is one of the largest pure-play fiber-to-the-home operators in the US, building gigabit fiber networks in mid-size cities across multiple states with comparable municipal partnership structures. It represents a similar city-by-city fiber rollout model and competes for the same municipal customers as SiFi.
- Ziply Fiber: Ziply Fiber operates fiber networks across the Pacific Northwest and Mountain West, expanding FTTH in underserved suburban and mid-size markets. Its city-by-city fiber build model and mix of greenfield and overbuild deployments parallel SiFi's FiberCity approach in similar market segments.
Emerging players
- Lumos Fiber: Lumos Fiber is a growing fiber-to-the-home provider deploying 100% fiber networks in select Mid-Atlantic and Southeast markets, often in partnership with municipalities. Its citywide build approach and municipal PPP model closely resemble SiFi's FiberCity model.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks6 records
Key highlights7 records
Customer concentration
SiFi Networks social profiles
Digital presenceSiFi Networks financial estimates
Financial estimateRevenue estimate
Valuation estimate
SiFi Networks leadership team
Management profileNumber of profiles
Profiles15 records
SiFi Networks funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
SiFi Networks M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about SiFi Networks
What does SiFi Networks do?
SiFi Networks funds, builds, and operates citywide open access 10 gig-enabled fiber-optic networks branded as FiberCity® under public-private partnerships with municipalities. The company owns and operates the passive fiber infrastructure, leases access to multiple internet service providers (ISPs), and enables those ISPs to deliver competing retail broadband services to residential and business customers over a single shared neutral network.
Is SiFi Networks a public or private company?
SiFi Networks is a private company. It is classified as private equity controlled and is currently operating.
When was SiFi Networks founded?
SiFi Networks was founded in 2013. It employs 11 to 50 people.
Where is SiFi Networks based?
SiFi Networks is headquartered in Morristown, United States, in the North America region.
How does SiFi Networks make money?
Three revenue lines are on record. Wholesale Network Access Fees are the primary driver. The others are municipal Partnership Fees and network Construction Services.
Who are SiFi Networks's main competitors?
Broad incumbents on record are Google Fiber, Spectrum (Charter Communications), Brightspeed, Frontier Communications, Consolidated Communications and Crown Castle Fiber. Direct peers are Ting Internet, Metronet and Ziply Fiber. Lumos Fiber is listed as an emerging player.
Does SiFi Networks have an API?
No public API is recorded for SiFi Networks.
What industry is SiFi Networks in?
SiFi Networks's product category is Open Access Fiber Infrastructure. Its primary akta.pro industry code is HDAIACAF, Open-Access Fiber Network Operators (Wholesale-Only), with a secondary code of HDAIACAJ, Neutral-Host Fiber & Shared Access Network Operators. Its NAICS code is 517111 and its SIC code is 4899.