Managed IT Services
Proactive support, monitoring, patching, and standards that reduce downtime and improve reliability.
If you’re evaluating IT companies NYC businesses rely on, you’re likely looking for a partner that can reduce downtime, secure Microsoft 365, and support users without delays. Delaney Computer Services, Inc. (DCS) delivers managed IT services, cybersecurity, and Microsoft 365 management for organizations across New York City. We support Manhattan and the five boroughs with responsive remote service and on-site availability for projects, installs, and escalations. |
Request a fast quote Prefer to call NYC? (646) 604-0880 NYC office: 276 Fifth Avenue, Suite 800, New York, NY 10001 |
Why choose DCS among IT companies NYC has to offer?
New York City is packed with providers, but not all IT companies NYC deliver the proactive standards needed to keep systems stable and secure. DCS focuses on measurable outcomes: fewer outages, faster resolutions, stronger security, and predictable IT operations.
- Proactive monitoring & patching: Prevent issues before they disrupt users.
- Security-first operations: Identity, endpoint, and email controls aligned to modern threats.
- Microsoft 365 expertise: Tenant administration, hardening, and ongoing support.
- On-site NYC capability: Hands-on support for network work, installs, and projects.
Core services we deliver for NYC businesses
Helpdesk + On-Site Support
Fast remote resolution with NYC on-site service for installs, projects, and escalations.
Cybersecurity Services
Layered protection to reduce phishing, ransomware, account takeover, and data loss risk.
Managed Microsoft 365
Tenant administration, security hardening, email protection, and end-user support for Microsoft 365.
Backup & Business Continuity
Recovery planning and testing help keep your business running during outages and incidents.
IT Consulting
Practical guidance on strategy, standards, security improvements, and modernization roadmaps.
Microsoft 365 cloud solutions (managed the right way)Microsoft 365 is a core platform for NYC businesses—but licensing alone doesn’t equal security. DCS helps configure and manage identity protection, email security, and governance so your tenant is harder to compromise and easier to support. Learn more: Managed Microsoft 365. |
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Industries we support across NYC
- Professional services: legal, finance, accounting, consulting, agencies
- Healthcare: medical offices and specialty practices
- Construction & field teams: practical support for mobile users and job sites
- Non-profits: cost-conscious IT with strong security fundamentals
Contact DCS (NYC)
- Address: 276 Fifth Avenue, Suite 800, New York, NY 10001
- Phone: (646) 604-0880
Prefer a quick form? Use the quote widget above or visit our contact page.
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IT Companies NYC: Frequently Asked Questions
How do I choose among IT companies in NYC?
Look for proactive monitoring and patching, clear SLAs, a security-first approach, Microsoft 365 expertise, and the ability to provide on-site NYC support when needed.
Do you support Microsoft 365 security?
Yes. We manage tenant administration and help implement MFA, access policies, email protections, governance, and monitoring.
Do you offer on-site service in Manhattan?
Yes. We resolve many issues remotely and coordinate on-site service for installs, network work, projects, and escalations.
Can you work with internal IT staff?
Yes. We can provide fully managed IT or collaborate with internal teams through co-managed support depending on your needs and coverage goals.
