Nadir Zenith, Llc Dba Keystone Computer Advising

What Nadir Zenith, Llc Dba Keystone Computer Advising does

Nadir Zenith, LLC DBA Keystone Computer Advising is a privately-held, founder-operated IT managed services provider (MSP) established in 2008-2009 by Ricardo I. Melendez in Plymouth Meeting, Pennsylvania. The company delivers a broad portfolio of technology services to mid-sized businesses, startups, professional services firms (law, healthcare, insurance), restaurants, and residential customers in southeastern Pennsylvania, with an active geographic expansion along the East Coast into Maryland and Florida. Its core offerings include managed IT services, computer repair, multi-tiered data recovery (L1 through L5), web design and digital branding, voice over IP, cloud backup, and cybersecurity (Zero Trust Network Access, penetration testing, and compliance certification for HIPAA and PCI DSS). The owner-operator model is reflected in the team size of approximately two to ten people, with Ricardo Melendez (CompTIA A+ certified, pursuing Ethical Hacking v11.0) and Tom Updegrove (EC-Council certified trainer) as the named team members.

The company's technology stack is built primarily on partner-provided platforms rather than proprietary in-house development. It resells Cytracom's ControlOne Zero Trust Network Access (ZTNA) and VOIP platform, deploys CloudBerry Backup for encrypted multi-cloud backup (Amazon S3, Azure, Google Storage, Rackspace, Glacier), and uses Wix as the underlying website builder for its web design product line. Strategic partnerships with Cytracom, InterNetwork Service (penetration testing and compliance), and EC-Council (cybersecurity training) extend capabilities beyond what the small core team could deliver directly. The website, booking system, and e-commerce storefront for web design SKUs are all built on Wix.

Revenue is generated through a hybrid model combining recurring managed services contracts, subscription-based web design and digital marketing packages ($480-$1,440/year), pay-as-you-go service calls and consulting ($30-$180), tiered data recovery pricing ($120-$1,200+), and one-time branding projects. Go-to-market is consultative and relationship-driven, leveraging direct phone/SMS contact, on-site visits, a self-service booking portal, social media (LinkedIn, Facebook, Alignable), and bilingual English/Spanish services targeting the Montgomery County Hispanic community. There are no outside investors, no disclosed funding rounds, and no institutional ownership — Keystone is a bootstrapped lifestyle business with limited but persistent scale and regional expansion underway.

Name

Nadir Zenith, Llc Dba Keystone Computer Advising

Legal name

Nadir Zenith, LLC

Website

https://keystonecomputeradvising.com

Company type

Private

Founded year

2008

Operating status

Operating

Headcount range

1–10 employees

Short description

Keystone Computer Advising is a founder-operated IT managed services provider in Plymouth Meeting, PA, delivering computer repair, managed IT, Zero Trust cybersecurity, VOIP, data recovery, and web design to SMBs, professional services, and residential customers across the U.S. East Coast.

Ownership category

akta.pro rank

Product category

Managed IT Services

NAICS

Computer Facilities Management Services (541513), Computer Systems Design and Related Services (54151)

SIC

Services-Computer Processing & Data Preparation (7374), Services-Telephone Interconnect Systems (7385)

akta.pro primary industry

Network & Connectivity Support (LAN/WAN, Wi‑Fi, ISP/Telco) (BPAAACAD)

akta.pro secondary industry

Cloud & Infrastructure Support (Servers, Storage, Virtualization) (BPAAACAE)

Keywords

• Managed IT services
• Computer repair services
• Data recovery services
• Cybersecurity consulting
• Web development services

Headquarters

HQ city

Plymouth Meeting

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Managed IT Services: Recurring managed services contracts for ongoing IT support, monitoring, and maintenance. Includes remote support by certified technicians and direct contact with developers and trainers.
2. Web Design and Development: One-time project-based services ranging from landing pages ($400) to enterprise websites ($3,400). Includes annual maintenance subscriptions. Services include website development, migration, e-commerce, logo design, brand identity, SEO, and Meta Ads.
3. Data Recovery Services: Tiered pricing from L1 ($120) to L5 ($1,200+), with commercial rates higher. Diagnostic fees of $60 residential / $90 commercial apply. Emergency 48-72 hour turnaround available.
4. Service Calls and Consulting: On-site and remote service calls. Residential services from $30 (diagnosis) to $180 (service call). Consulting/advising sessions at $60. Training services offered.
5. VoIP Services: Cytracom VOIP system reselling and implementation. Initial setup (3 hours) plus ongoing service subscriptions.

Pricing tiers

Go-to-market motion3 records

Distribution channels4 records

Marketing channels7 records

Core offering

Keystone Computer Advising delivers managed IT services, computer repair, multi-tier data recovery, web design and development, and cybersecurity solutions to both residential and commercial clients. The firm serves as a one-stop technology provider offering VoIP communications via Cytracom, cloud backup via CloudBerry, Zero Trust Network Access (ZTNA) via ControlOne, and compliance certification (HIPAA, PCI DSS). Service delivery combines on-site visits, remote support, and a self-service website booking system across Pennsylvania, Maryland, and Florida.

Product overview

Keystone Computer Advising is an IT service provider offering a comprehensive suite of technology solutions for both residential and commercial clients. The core offering centers on Managed IT Solutions and professional IT support services. The product portfolio includes: computer repair and maintenance; multi-level data recovery services (L1-L5); web design and development ranging from starter websites through enterprise solutions with QuickBooks integration; brand identity services (logo design, branding); VOIP communications via Cytracom; cloud backup using CloudBerry Backup; cybersecurity services including penetration testing and compliance certification (HIPAA, PCI DSS); and network security solutions including ControlOne Zero Trust Network Access. The company positions itself as a one-stop technology solution provider serving Pennsylvania to Florida along the East Coast.

Differentiator

Problem solved

Functional benefit

Products and services

• Managed IT Solutions Comprehensive managed IT services providing proactive monitoring, maintenance, and support for business technology infrastructure to ensure smooth operations and minimize downtime. Targeted at mid-sized businesses, startups, and growing enterprises.
• Computer Repair Service Professional computer repair services for residential and commercial clients, including hardware diagnostics, repairs, and maintenance for Apple, Windows, and Android devices.
• Data Recovery Service

Quantifiable outcome

• Reduce downtime through proactive monitoring and managed services
• +2 more outcomes

Segments6 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration11 records

Feature4 records

Partnerships

Three partnerships are on record, tiered core and supporting.

• CytracomcoreTechnology or Integration · 1 January 2009Cytracom was founded in 2009 by a former MSP headquartered in Dallas, TX. Keystone is an authorized Cytracom provider offering ControlOne (Zero Trust Network Access), VOIP services, SD-WAN, and unified threat management. CYTRACOM is committed to 100% channel-focused go-to-market model delivering frontier technology solutions.
• InterNetwork ServicecoreStrategic or Co-development PartnerInterNetwork Service is a boutique IT service provider for network planning, remediation, installation, and maintenance. They partner with Keystone for penetration testing, security assessments, red team/blue team exercises, and compliance certifications (HIPAA, PCI DSS). They cover security and network infrastructure services Keystone doesn't provide directly.
• EC-Council (ECSA, CEH)supportingOthersKeystone provides cybersecurity training including CEH (Certified Ethical Hacker), CND (Certified Network Defender), and ECSA (Certified Security Analyst) courses developed by EC-Council. Training conducted through partner Tom Updegrove.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Others

• Pax8: Cloud distributor serving SMB MSPs with security, infrastructure, and backup products. Comparable to the CloudBerry/Wix/Cytracom platforms Keystone depends on, and an enabler (and potential competitor) for SMB-focused MSPs.
• Cytracom: Channel-only VoIP and network security platform provider whose ControlOne/ZTNA and SD-WAN offerings Keystone resells. Comparable as an ecosystem partner and indirect competitor in the same SMB security/connectivity category.

Regional players

• InterNetwork Service: Boutique IT services firm specializing in network planning, penetration testing, and security assessments. Direct strategic partner of Keystone (mutual referral) and competitor for security/compliance work Keystone does not deliver directly.

Broad incumbents

• Ntiva: Mid-Atlantic/U.S. managed IT services and cybersecurity company providing cloud, backup, and compliance support. Comparable to Keystone in geographic coverage (East Coast) and SMB-focused managed services plus security stack.
• Geek Squad (Best Buy): National consumer and SMB technology support brand owned by Best Buy. Comparable to Keystone on computer repair, in-home/office service, and data recovery, though operating at vastly greater scale and brand recognition.
• Dataprise: Regional managed IT and cybersecurity services provider serving mid-market and enterprise clients across the U.S. Comparable to Keystone in managed services, security (including Zero Trust), and compliance offerings, but at significantly larger scale.
• iCorps Technologies: New England-based managed IT and cybersecurity firm serving SMB and mid-market clients with compliance, cloud, and security services. Comparable to Keystone on managed services + compliance (HIPAA, PCI, NIST) for regulated SMBs.

Direct peers

• NerdsToGo: Franchised IT support and computer repair brand serving small businesses and residential customers across the U.S. Directly comparable to Keystone as a local IT advisor/MSP targeting SMBs and consumers with break/fix, managed services, and cybersecurity.
• Computer Troubleshooters: International franchise of small business IT support providers offering on-site and remote computer repair, networking, and managed services. Direct peer to Keystone in scope and customer base (small business + residential).
• CMIT Solutions: Franchise network of managed IT service providers serving SMBs with managed services, cybersecurity, and compliance. Comparable to Keystone in targeting regulated SMBs (healthcare, legal, financial) with compliance-focused IT management.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/C0MPUTER5ERVICE
• LinkedInlinkedin.com/company/oner-of-nadir-zenith-inc.-technology-and-computer-services-for-the-mongomery-county-area-

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Nadir Zenith, Llc Dba Keystone Computer Advising