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Business Services Providers
Compare the top Internet Service Providers (ISPs) service providers for 2026 — vetted firms, agencies and consultants in the Business Services Providers category.
Largest US broadband provider with roughly 31.2-31.3 million subscribers and 23.9% market share as of Q1 2026, though declining 65,000 in the quarter. Invested $8.7 billion in its Connectivity & Platforms business in 2025. Xfinity Mobile reached 9.7 million lines.
Visit website →Second-largest at 29.6-30.15 million broadband subscribers and 23% market share as of Q1 2026, declining 120,000 in the quarter. Serves 41 states passing 57 million homes. Plans roughly $11.4 billion capital expenditure in 2026.
Visit website →Holds the most market share in the wider US ISP industry per IBISWorld. AT&T Fiber is the leading US fiber broadband provider with 15.60 million subscribers, passing 30+ million locations with plans to reach 60 million by 2030. Leads on upload speed at 120 Mbps average.
Visit website →Major broadband provider through Fios fiber and 5G home internet fixed wireless, one of the five largest US providers evaluated in the Opensignal Fixed Broadband Experience report. Average upload speed cited at 58 Mbps.
Visit website →One of the five largest US broadband providers, competing primarily through 5G fixed wireless home internet aimed at price-sensitive cable customers, with self-installation as a differentiator.
Visit website →Among the ten largest US internet service providers by broadband subscribers, operating a hybrid fiber-coaxial network across residential and business markets.
Visit website →Among the ten largest US internet service providers, delivering broadband over hybrid fiber-coaxial and fiber networks under the Optimum brand.
Visit website →Among the ten largest US internet service providers, covering enterprise networking and consumer fiber broadband under the Quantum Fiber brand.
Visit website →Among the ten largest US internet service providers, with fiber footprint expansion cited as a driver of overall US fiber subscriber growth alongside AT&T Fiber and Verizon Fios.
Visit website →Among the ten largest US internet service providers by broadband subscribers, operating regional cable and fiber networks under consolidated regional brands.
Visit website →This page lists 10 internet service providers (isps) providers that work with United States clients. We look at delivery track record, whether the team overlaps with US time zones, how they scope and price work, and whether they can sign standard US contracts including an MSA, SOW, NDA and mutual indemnity.
Firms currently featured include Comcast (Xfinity), Charter Communications (Spectrum), AT&T, and Verizon.
Delivery footprints on this list span Philadelphia, PA, USA, Stamford, CT, USA, Dallas, TX, USA, and New York, NY, USA, so you can choose between onshore US delivery, nearshore teams with 3–5 hours of overlap, and offshore teams priced for volume work.
US buyers usually see three engagement models for internet service providers (isps): fixed-scope projects, time and materials with a monthly cap, and a dedicated team retainer. Onshore US consultancies typically bill $148–$250 per hour, nearshore partners in Latin America $55–$95, and offshore teams $25–$55.
Ask for a rate card by role, not a blended rate — a blended number hides how much of the work is done by junior staff. For fixed-bid work, insist on a written change-order process, and for retainers, confirm the notice period and any minimum monthly hours.
Watch the total cost of ownership: discovery workshops, knowledge transfer, post-launch support, and the cost of taking the work back in house at the end.
Before you sign, confirm the provider carries professional liability (E&O) and cyber insurance with US-acceptable limits, and that the MSA clearly assigns IP ownership of all deliverables to you on payment.
If the engagement touches regulated data, get the compliance posture in writing: SOC 2 Type II for the provider's own systems, HIPAA with a signed BAA for health data, CCPA/CPRA handling for California consumer data, GLBA for financial services, and background-check policies for anyone with production access.
Also nail down worker classification and subcontracting — many US buyers require written approval before any part of the work is passed to a third party.
Run the same questions past two or three firms from this list and compare the answers side by side — the differences are usually more revealing than the proposals.
Based on the 10 firms reviewed on this page, Comcast (Xfinity), Charter Communications (Spectrum), and AT&T are among the strongest options for US clients. Shortlist two or three, ask each for references from US clients of your size, and compare their scoping approach before you commit.
Onshore US consultancies typically bill $120–$250 per hour for this type of work, nearshore partners $55–$95, and offshore teams $25–$55. Fixed-scope projects and monthly retainers are both common — always request a rate card broken out by role rather than a single blended rate.
Choose onshore when the work needs deep regulatory context, frequent stakeholder workshops, or full time-zone overlap. Choose nearshore for a balance of cost and 3–5 hours of daily overlap, and offshore for well-specified, high-volume work where the scope is stable.
A master services agreement plus a scope-specific SOW, clear IP assignment on payment, a written change-order process, named key personnel, escalation and support hours, confidentiality terms, and — for regulated data — a signed BAA or equivalent data-processing addendum. Confirm professional liability and cyber insurance limits too.
Discovery usually runs 1–3 weeks, an initial delivery phase 6–12 weeks, and ongoing support is normally a monthly retainer. Providers that cannot outline that timeline in the proposal stage tend to struggle with scope control later.
