Delhi NCR gives B2B buyers more lead generation options than almost any other Indian region. Gurugram and Noida host large contact-center and outsourcing operations, and Delhi has a growing set of boutique outbound and digital agencies. For an IT services firm or B2B product company selling to the US, UK or Middle East, that range makes the choice harder, not easier.
This list covers firms with a stated office in Delhi, Gurugram or Noida, from enterprise telesales providers to LinkedIn, account-based and paid-acquisition specialists. Each entry explains what the firm does and who it suits, followed by a comparison table, selection criteria, first-call questions and red flags.
Disclosure: this list is published by Lemniscate Growth, which is included.
Last checked: September 2026.
How we chose
We used directories and search results only to find candidates, then verified each firm on its own website. No firm paid to be included, and inclusion is based on public information on each firm's own website.
- Operating website: the site loads and shows 2025 or 2026 activity, such as a current copyright year or dated posts.
- Stated Delhi NCR presence: a headquarters or office in Delhi, Gurugram or Noida listed on the firm's own site.
- Relevant B2B services: outbound, appointment setting, ABM, LinkedIn prospecting or B2B demand generation. Consumer lead sellers and database-for-sale vendors were left out.
- Distinct approach: a clear method or focus described on the firm's own site, so the list covers different buying needs rather than seven similar shops.
- Process clarity: enough published detail about services and deliverables to judge fit before a sales call.
1. Lemniscate Growth
Lemniscate Growth is a B2B revenue pipeline generation agency. To be clear up front, it is not based in Delhi NCR: it is registered in the US and Dubai, its team works from Hyderabad, and it serves Delhi NCR clients remotely. Programs cover GTM and funnel build, AEO/GEO/SEO, CXO branding, events and webinars, ABM, LinkedIn, outbound, appointment setting and CRO.
Lemniscate reports up to $10M in pipeline per client, about $2.4M in average sales closed per client account per year, and 35+ active clients. Relevant examples include Aavenir, a CLM company built on ServiceNow with a 90-95% inbound mix, and a yard and port management software company that reached $8M, getting there within a span of nine months.
Best for: Delhi NCR IT services and B2B technology firms that want events, webinars, ABM and outbound run as one pipeline program, and are comfortable working with a remote team.
Services: B2B lead generation, events and webinars, ABM, LinkedIn, outbound, appointment setting, GTM and funnel build, AEO/GEO/SEO, CXO branding and CRO.
Why it made the list: Full-funnel scope, including event and webinar programs suited to long IT services sales cycles, with results reported as pipeline and closed revenue.
Website: lemniscategrowth.com
2. Denave
Denave lists its India headquarters in Sector 63, Noida, with a second Noida office and a Bengaluru office, and it runs separate regional sites for Malaysia, Singapore, Europe and Korea. It describes itself as an agentic-led GTM execution and revenue acceleration partner, and its services span revenue development, sales intelligence, data services, digital marketing, telesales, webinar marketing and field sales.
Best for: Large and mid-market technology companies that need telesales, data and demand generation capacity across several countries from one provider.
Services: Revenue development, B2B demand generation, sales intelligence, intelligent data services, telesales, webinar marketing, digital marketing, marketing automation, field sales.
Why it made the list: Scale and breadth, with a stated Noida headquarters and dedicated B2B demand generation pages.
Website: denave.com
3. Sales Design Institute
Sales Design Institute lists an office on Golf Course Road in Gurgaon, along with addresses in Bangalore, Chennai, Pune and Dubai. Its lead generation approach is built on social selling: the site says it generates qualified B2B leads globally through LinkedIn and focuses on getting clients a foot in the door at mid to large enterprises. It also offers B2B appointment setting, sales process consulting and sales coaching.
Best for: Firms selling into mid to large enterprises that want LinkedIn-led prospecting plus coaching for their own sellers.
Services: LinkedIn social selling lead generation, B2B appointment setting, sales consulting, sales process improvement, sales coaching.
Why it made the list: A clearly defined LinkedIn-first method, plus sales training that helps an in-house team convert the meetings it receives.
Website: salesdesign.co.in
4. Big Leap Marketing
Big Leap Marketing describes itself as a B2B revenue marketing agency based in Gurgaon. Its LEAP Revenue System starts with building authority through content and thought leadership, then moves to engaging target accounts and accelerating pipeline. Case studies on its site focus on manufacturing, packaging and export-oriented businesses, including outreach programs aimed at international buyers.
Best for: Industrial, manufacturing and export-oriented B2B companies that want ABM and LinkedIn outreach backed by thought leadership.
Services: Account-based marketing, demand generation, LinkedIn outreach, inbound marketing, content and thought leadership, marketing automation, web design and development.
Why it made the list: A clearly stated industrial and export focus, with international outreach examples published on its own site.
Website: bigleap.marketing
5. Go4Customer
Go4Customer is the contact-center brand of Cyfuture India, with two offices listed in the Noida Special Economic Zone. It is a broad outsourcing provider rather than a B2B marketing agency, but it offers dedicated appointment setting and cold calling services alongside market research and back-office work.
Best for: Companies that already have a proven script, target list and qualification rules and now need calling capacity.
Services: Appointment setting, cold calling, contact center services, market research, customer satisfaction surveys, back-office support.
Why it made the list: Calling scale from a Noida base, useful when the constraint is capacity rather than strategy.
Website: go4customer.com
6. Done For You
Done For You (DFY) lists its office in Kalkaji, New Delhi. It focuses on B2B lead generation through Meta Ads and Google Ads, and describes a closed-loop system that learns from a client's actual sales data. Its work covers paid ads, landing pages, tracking, CRM setup, nurture systems and creative strategy for service-based businesses.
Best for: Service businesses that want paid inbound leads with proper CRM tracking, rather than outbound prospecting.
Services: Meta Ads and Google Ads lead generation, landing pages, conversion tracking, CRM setup, nurture systems, creative strategy, lead quality audits.
Why it made the list: A tight focus on lead quality in paid acquisition, with sales outcomes fed back into targeting.
Website: doneforyou.in
7. ZeroAdo
ZeroAdo lists its office at Statesman House in Connaught Place, Delhi. It is a full-funnel digital marketing agency, and its services page covers SEO and AI search, ads, websites and conversion optimization, framed around generating leads and revenue.
Best for: B2B firms whose website, search visibility and conversion paths need work before outbound or paid spend will pay off.
Services: SEO, AI search visibility, paid advertising, website development, conversion rate optimization.
Why it made the list: A Delhi-based option for fixing the inbound foundation that every outbound prospect eventually checks.
Website: zeroado.com
Comparison table
| Agency | Best for | Headquarters | Core services | Website |
|---|---|---|---|---|
| Lemniscate Growth | Full-funnel pipeline programs with events and webinars | Registered in US and Dubai; team in Hyderabad (not in Delhi NCR) | Outbound, ABM, LinkedIn, events and webinars, appointment setting | lemniscategrowth.com |
| Denave | Multi-country telesales and demand generation | Noida (India HQ) | Revenue development, telesales, data services, webinars | denave.com |
| Sales Design Institute | LinkedIn-led enterprise prospecting | Gurgaon office (also Bangalore, Chennai, Pune, Dubai) | Social selling lead generation, appointment setting, sales coaching | salesdesign.co.in |
| Big Leap Marketing | Industrial and export-oriented B2B | Gurgaon | ABM, LinkedIn outreach, demand generation, thought leadership | bigleap.marketing |
| Go4Customer | Calling capacity for proven scripts | Noida (NSEZ offices) | Appointment setting, cold calling, contact center | go4customer.com |
| Done For You | Paid inbound leads for service businesses | New Delhi (Kalkaji) | Meta and Google Ads, landing pages, CRM setup, nurture | doneforyou.in |
| ZeroAdo | Fixing search and conversion foundations | Delhi (Connaught Place) | SEO, AI search, ads, websites, CRO | zeroado.com |
How to choose a B2B lead generation company in Delhi NCR
Decide whether you need capacity or strategy
Delhi NCR has both contact centers and pipeline agencies, and they solve different problems. A contact center adds dialing capacity to a motion you have already proven. An agency should own targeting, messaging, channel mix and iteration. Many disappointing engagements come from buying capacity when the real gap was strategy.
Match channels to your sales cycle
IT services and system integration deals often involve large buying committees and six-figure contracts. Those rarely close off a single cold email, so look for programs that combine account-based outreach with webinars, roundtables or event follow-up. Paid search and social suit services with existing search demand, while LinkedIn-led prospecting fits named enterprise accounts.
Check compliance for each target market
In the US, CAN-SPAM requires accurate sender information, non-deceptive subject lines, a physical postal address and an opt-out honored within 10 business days, and US calling has its own restrictions, including on automated calls to mobile phones. In the UK and EU, GDPR applies to named business contacts, e-privacy rules on email vary by country, and UK live B2B calls should be screened against the Corporate Telephone Preference Service. India's Digital Personal Data Protection Act, 2023 covers personal data processed in India, with its rules being phased in, and the UAE and Saudi Arabia have their own data protection laws. Ask each vendor to walk through its approach, and confirm details with counsel.
Test SDR quality, not the pitch deck
Ask for recent call recordings and live sequences, and meet the SDRs and team lead who will run your account. Check how many accounts each SDR handles, how they are trained on your offer, and how often a senior person reviews calls. For US calling, ask how night shifts are managed and how attrition is handled mid-campaign.
Define meeting quality and ownership
Put the definition of a qualified meeting in the contract: account fit, buyer seniority, a confirmed reason to talk, and a held meeting rather than a calendar invite. Agree how no-shows are handled, and track meeting-to-opportunity conversion in your own CRM so both sides see the same numbers.
Plan event and webinar follow-up before the event
If events or webinars are part of the mix, agree who follows up with registrants, attendees and no-shows, how fast, and with what message. Event pipeline is usually lost in the week after the event, not at the booth.
Keep the assets in your name
Sending domains, inboxes, target lists, sequences and call notes should belong to you or be handed over at the end. Otherwise every change of vendor means starting from zero.
Questions to ask on the first call
- Are you primarily a contact center, a data provider or a pipeline agency, and which part of our motion would you own?
- Which countries have you prospected into recently, and how do you adapt messaging for US, UK and Gulf buyers?
- How do CAN-SPAM, GDPR, UK calling rules and India's DPDP Act shape the way you run our campaigns?
- Where does your contact data come from, and how do you manage opt-outs across every channel?
- Can we listen to recent call recordings and meet the SDRs who would work our account?
- What is your written definition of a qualified meeting, and what happens when a meeting does not happen?
- How do you follow up on event and webinar registrants and attendees?
- Who owns the sending domains, inboxes and lists when the engagement ends?
- Can you report from inside our CRM, including meeting-to-opportunity conversion?
Red flags
- A lead count or meeting guarantee offered before any discovery about your ICP and offer.
- Lists of contacts or "verified leads" sold as the main deliverable.
- No clear answer on data sources, opt-outs, or which country's rules apply to your campaigns.
- Calling programs with no call recordings, QA scorecards or named team lead.
- Meetings counted when booked rather than when held, with no qualification criteria.
- Sending cold email from your main company domain at high volume.
- Reporting that lives only in the vendor's dashboard, with nothing in your CRM.
Next step: diagnose before you hire
Before you call any of these firms, decide whether your gap is capacity, targeting, messaging or conversion. That single answer will tell you whether you need a contact center, a LinkedIn or ABM specialist, a paid acquisition team or a full-funnel partner.
If you want help working that out, request a free audit from Lemniscate Growth. It reviews your current pipeline motion and points to the gaps worth fixing first, whichever firm you end up hiring.
