Singapore is where many technology, fintech and industrial companies put their Asia Pacific headquarters, so B2B marketing here is rarely about Singapore alone. A regional marketing lead is usually buying programs that must work across several countries, languages and sales teams at once, often with a global parent watching the numbers.
This list is for those buyers: APAC marketing heads, regional sales leaders and founders expanding into Southeast Asia. It covers agencies with a stated Singapore office that run B2B work such as account-based marketing, demand generation, lead generation and B2B content. Each entry was checked on the firm's own website, and the guide ends with 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 checked 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.
- Verified operating website: the site loads and shows 2025 or 2026 activity, such as a current copyright line or dated posts.
- Stated Singapore presence: a Singapore office, address or regional hub listed on the firm's own site.
- B2B service lines: ABM, demand generation, lead generation or B2B-specific marketing pages, not only consumer social or ecommerce work.
- Regional relevance: evidence of work beyond Singapore, such as other APAC offices, regional clients or multi-market programs.
- Clarity about services: the site explains what the agency does and for which kinds of companies.
Lemniscate Growth does not have a Singapore office. It is included as the publisher and serves Singapore and APAC clients remotely.
1. Lemniscate Growth
Lemniscate Growth is a B2B revenue pipeline generation agency. It is not based in Singapore: it is registered in the US and Dubai, with a delivery team in Hyderabad, and serves Singapore and wider APAC clients remotely. The work covers the full funnel, from GTM and funnel build through account-based marketing, LinkedIn, outbound, webinars and appointment setting, to CXO branding, events, AEO/GEO/SEO and CRO. Programs are measured on pipeline, with up to $10M in pipeline per client, around $2.4M in average sales closed per client account per year, and 35+ active clients. Examples include IQLECT, with $6.4M in pipeline, and Salesforce partner ABM for 4CE CloudLabs.
Best for: SaaS and B2B tech companies selling into APAC that want ABM and outbound tied to pipeline, and are comfortable working with a remote team.
Services: ABM, LinkedIn, outbound, webinars, appointment setting, events, CXO branding, AEO/GEO/SEO, CRO, GTM build.
Why it made the list: Pipeline-based reporting and ABM experience with SaaS and partner ecosystem companies, with the plain caveat that there is no local office.
Website: lemniscategrowth.com
2. IMPACT Brand Communications
IMPACT Brand Communications is a Singapore agency with its office at Pearl's Hill Terrace in Chinatown. It positions itself as a digital marketing agency for technology, B2B and financial services brands, with dedicated pages for B2B, cybersecurity, technology and SaaS marketing. Its services include account-based marketing, demand generation, LinkedIn marketing, content, video and podcast marketing, SEO, PR, employer branding and MarTech consultancy, and its blog has posts from late 2025 and early 2026 on topics such as B2B demand generation and AI search.
Best for: Technology, cybersecurity and SaaS companies that want PR, content and ABM from one Singapore-based team.
Services: ABM, demand generation, LinkedIn marketing, content and video, podcast marketing, SEO, PR, MarTech consultancy.
Why it made the list: A Singapore office, B2B and cybersecurity specialization pages, and recent dated posts on B2B demand generation.
Website: impactbc.com.sg
3. Transmission
Transmission is a global B2B marketing agency registered in England, with offices listed in London, San Francisco, New York, Dallas, Sydney, Singapore, Delhi and Wroclaw. Its services run from growth consulting, go-to-market services and brand strategy to ABX, paid media, creative, content, digital experiences, data analytics and demand conversion, which it describes as pipeline generation, nurture strategies and sales activation. Its site includes 2025-dated content.
Best for: Enterprise technology brands running coordinated ABX and demand programs across APAC, the US and Europe.
Services: Growth consulting, GTM services, brand strategy, ABX, paid media, creative, content, digital experiences, data analytics, demand conversion.
Why it made the list: A stated Singapore office inside a B2B-only global footprint, useful when APAC campaigns must line up with a global headquarters.
Website: transmissionagency.com
4. Stein
Stein, whose site footer names Stein IAS Holdings, describes itself as a brand-to-demand experience (BDX) agency for B2B brands. Its contact page lists global strategic hubs in New York, London, Manchester, Amsterdam, Singapore and Shanghai, with a New York address and a named contact for EMEA and APAC inquiries. Services cover brand strategy and positioning, demand and GTM strategy, ABM/ABX, market and audience research, media planning and buying, PR and earned media, social, search, and creative and content. Its services page also refers to access to the wider MSQ group of agencies.
Best for: Large B2B brands that want brand and demand work planned as one program, with APAC coordinated from a Singapore hub.
Services: Brand strategy, demand and GTM strategy, ABM/ABX, research, media planning and buying, PR, social, search, creative and content.
Why it made the list: A stated Singapore hub, B2B-only positioning, and a 2025 copyright on an active site.
Website: steinb2b.com
5. Brew Interactive
Brew Interactive lists a Singapore office on North Bridge Road, plus offices in Kuala Lumpur and Tampa. It is a full-funnel digital agency with a clear B2B and CRM thread: service pages cover account-based marketing, B2B marketing, content and social, SEO and AEO, AI lead generation, HubSpot integrations and Salesforce partner work. It also offers China-facing channels such as WeChat, Baidu and Xiao Hong Shu, and packages under Singapore's PSG grant scheme. Blog posts on the site are dated 2026.
Best for: Singapore and Malaysia SMEs and mid-market B2B firms that want ABM tied to HubSpot or Salesforce, or need reach into Chinese-speaking audiences.
Services: ABM, B2B marketing, content and social, SEO and AEO, AI lead generation, HubSpot integration, Salesforce partner services, WeChat and Baidu marketing.
Why it made the list: A Singapore office, a dedicated ABM page, CRM implementation capability, and current activity.
Website: brewinteractive.com
6. iSmart Communications
iSmart Communications (iSmart Communications Pte Ltd) is based at Mount Sinai Drive in Singapore and positions itself as a lead generation agency for Singapore and Asia, focused on qualified leads, sales meetings and pipeline opportunities. Its B2B services include lead generation, account-based marketing, B2B databases, B2B telemarketing and marketing automation, alongside AI marketing and performance marketing. The site names sectors such as manufacturing and industrial, logistics and supply chain, and education and training providers.
Best for: Industrial, logistics and services companies that want telemarketing, data and automation-led lead generation across Singapore and Asia.
Services: B2B lead generation, ABM, B2B databases, telemarketing, marketing automation, performance marketing.
Why it made the list: A Singapore address, a 2026 copyright, and a service line centered on qualified leads and sales meetings.
Website: ismartcom.com
7. Digital Squad
Digital Squad is based on Bras Basah Road in Singapore and describes itself as serving clients globally with a small, senior team. Its B2B marketing page focuses on AI search visibility and pipeline growth, combining audience intelligence, account-based marketing frameworks and integrated demand generation, with executive profiles and LinkedIn content to build authority. The agency also runs SEO, Google Ads, social media, content and conversion work for B2B and B2C brands across APAC, and has articles dated July 2026.
Best for: B2B brands that want AI search visibility, ABM and paid media planned together by one Singapore team.
Services: B2B marketing, ABM, demand generation, B2B lead generation, AI search visibility, SEO, Google Ads, social media, content, CRO.
Why it made the list: A Singapore address, a detailed B2B page, and recent dated content.
Website: digitalsquad.com.sg
Comparison table
| Agency | Best for | Headquarters | Core services | Website |
|---|---|---|---|---|
| Lemniscate Growth | ABM and pipeline programs for SaaS and B2B tech in APAC | US and Dubai (registered); team in Hyderabad; no Singapore office | ABM, outbound, LinkedIn, events, CXO branding, AEO/GEO/SEO | lemniscategrowth.com |
| IMPACT Brand Communications | Tech, cybersecurity and SaaS brands | Singapore (Chinatown) | ABM, demand generation, LinkedIn, content, PR, SEO | impactbc.com.sg |
| Transmission | Enterprise ABX across regions | Registered in England (London); Singapore office | GTM, brand strategy, ABX, paid media, content, demand conversion | transmissionagency.com |
| Stein | Brand and demand as one program | New York address listed; Singapore hub | Brand strategy, GTM, ABM/ABX, media, PR, creative | steinb2b.com |
| Brew Interactive | ABM tied to HubSpot or Salesforce | Singapore office; Kuala Lumpur and Tampa offices | ABM, B2B marketing, SEO and AEO, CRM integration, China channels | brewinteractive.com |
| iSmart Communications | Telemarketing and data-led lead generation | Singapore | B2B lead generation, ABM, databases, telemarketing, automation | ismartcom.com |
| Digital Squad | AI search visibility plus ABM | Singapore (Bras Basah Road) | B2B marketing, ABM, demand generation, SEO, paid media | digitalsquad.com.sg |
How to choose a B2B marketing agency in Singapore
1. Decide whether Singapore is the market or the base
Many companies use Singapore as the regional hub but sell into Indonesia, Vietnam, the Philippines, Malaysia, Thailand, Australia or India. Ask which of those markets the agency has actually run campaigns in, and in which languages.
2. Test multi-country execution
A regional program needs account lists by country, localized messaging, outreach timed to each market and reporting that rolls up for the regional HQ. Ask to see how a past multi-country campaign was structured and reported.
3. Check fit with global headquarters
APAC teams often inherit global brand guidelines, CRM rules and ABM platforms. An agency that can work inside those constraints, and report in the format headquarters expects, saves months of friction.
4. Ask about PDPA and outreach compliance
Singapore's Personal Data Protection Act governs how personal data such as names, emails and phone numbers is collected, used and disclosed, and its Do Not Call rules cover certain marketing calls and messages to Singapore numbers. Other APAC markets have their own laws. Ask how the agency sources contact data, records the basis for outreach and handles withdrawal of consent.
5. Match ABM depth to your account list
If you sell to a few hundred regional enterprises, look for account selection, buying-committee mapping and sales alignment, not just LinkedIn ads. If your market is broad, demand generation and paid programs may be the better fit.
6. Look at CRM and data skills
HubSpot or Salesforce hygiene decides whether you can prove pipeline impact to headquarters. Ask who sets up attribution, lead routing and dashboards, and who maintains them.
7. Agree on pipeline metrics by country
Define marketing-qualified and sales-accepted stages up front, and ask for reporting on meetings, opportunities and pipeline value for each market.
Questions to ask on the first call
- Which APAC countries have you run B2B campaigns in during the past year, and in which languages?
- How would you structure a program that covers Singapore plus two or three other markets?
- How do you source contact data, and how do you handle PDPA obligations and consent withdrawal?
- Can you work within our global brand guidelines, ABM platform and CRM setup?
- Who owns account selection, and how do you align with our regional sales teams?
- What does reporting look like by country, and does it include opportunities and pipeline value?
- Which parts of delivery sit in Singapore, and which are handled by other offices or partners?
- How do you adapt messaging for markets such as Indonesia or Vietnam compared with Singapore and Australia?
- What would you expect us to see in the first 90 days?
Red flags
- One English campaign pushed to every APAC market with no localization.
- Vague answers on where contact data comes from or how PDPA is handled.
- ABM that turns out to be LinkedIn ads aimed at a broad audience.
- Reporting that stops at leads and clicks, with no link to pipeline by country.
- A Singapore address with all strategy and delivery done elsewhere, and no disclosure of that.
- No experience working with a global headquarters or its systems.
- Long contracts without a clear review point after the first quarter.
Next step: audit your APAC pipeline
Before you brief agencies, find out where your regional pipeline is actually weak: account coverage by country, messaging, channel mix or handoff to sales.
Lemniscate Growth offers a free pipeline audit for B2B teams selling into APAC, with specific fixes you can act on with any partner.
