Company lists · Data refreshed September 2026
Top 25 Internal communications agencies based in Sydney, Australia
RevenueBase identified 99 company matches for internal communications agencies associated with Sydney, Australia as of September 2026 and tracks 1,748 professional contacts across them, including 312 with verified work emails. Across Australia, Sydney is the largest hub for this category.
This list covers company matches for internal communications agencies associated with Sydney, Australia, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 20, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest internal communications agencies based in Sydney, Australia
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 621 contacts → | ||||
Exact match “JIMJAM Ideas is an award winning integrated communications agency that believes CONNECTED IDEAS to be the key to powerful and transformative marketing.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 73 contacts → | ||||
Exact match “Thrive is the largest independent, Australian-owned public relations agency that exists to help its people, partners and the community grow vigorously, flourish and be successful.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 71 contacts → | ||||
Exact match “UMM crafts brand stories to motivate action.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 61 contacts → | ||||
Exact match “Mango is a marketing communications agency offering public relations, social media, content creation and experiential expertise.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 49 contacts → | ||||
Exact match “Mahlab is a business communications house headquartered in Asia Pacific, with almost 30 years’ experience in telling complex stories that create real and positive impact for…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 41 contacts → | ||||
Exact match “We’re an independent full service creative and marketing agency based in Sydney specialising in brand, demand and digital communications.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 36 contacts → | ||||
Exact match “Honner, A FINN Partners Company is a specialist communications consultancy for the financial and corporate sectors across Australia and the Asia-Pacific.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 35 contacts → | ||||
Exact match “Sefiani is a leading Australian communications agency that has built, enhanced and protected corporate and brand reputations over two decades.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 32 contacts → | ||||
Exact match “Portobello is a full service communications agency based in Sydney, Australia.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 30 contacts → | ||||
Exact match “Essential is a strategic communications agency working primarily with member and not-for-profit organisations.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 29 contacts → | ||||
Exact match “Asia Pacific’s Leading Production, Entertainment & Celebrity Procurement Agency”, The Wall Street Journal MGI Entertainment We create ideas that live at the intersection of…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 26 contacts → | ||||
Exact match “Weber Shandwick is a global in-culture communications agency built to make brave ideas connect with people.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 22 contacts → | ||||
Exact match “Creative work that makes a difference to people's lives.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 16 contacts → | ||||
Exact match “LKB specialises in strategic communication, community and stakeholder engagement and events.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 14 contacts → | ||||
Exact match “zentir is an independent, full service creative communications agency.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 14 contacts → | ||||
Exact match “Cube is an award winning, specialist communications agency that has excelled in the healthcare space for over twenty years in Australia.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 13 contacts → | ||||
Exact match “Dialogue is one of Australia’s leading boutique communications agencies, specialising in consumer and lifestyle brands.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 12 contacts → | ||||
Exact match “Wilkinson Group is a Sydney communications agency, specialising in crisis PR.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 11 contacts → | ||||
Exact match “Via is an integrated communications and marketing agency that helps ambitious businesses navigate complexity, ignite connections and drive commercial value across Asia Pacific and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 11 contacts → | ||||
Exact match “Zadro is a strategic brand and communications agency that becomes a trusted ally who is just as invested in your success as you are.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 8 contacts → | ||||
Exact match “Clients today have multiple agency partners, so it’s important that their agencies all work hard and have a single focus on their client.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 8 contacts → | ||||
Exact match “It's Friday is an independently owned creative agency based in Sydney.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 8 contacts → | ||||
Exact match “Founded in 2003, Res Publica is a full-service communication consultancy spanning government, corporate, financial, consumer, community and organisational offerings.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 8 contacts → | ||||
Exact match “Brightus is a technology-focused communications agency offering a full range of digital and traditional services to assist your organisation communicate to its stakeholders and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 7 contacts → | ||||
Exact match “Strategic.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “internal communications agencies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 99 internal communications agencies based in Sydney, Australia
See the full list, filter by size, metro and specialty, and access 312 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Internal communications agencies based in Sydney, Australia at a glance
As of Sep 20, 2026Companies by employee count
Email recency for this list is measured across the whole Australia list rather than for Sydney, so it is reported there. Company counts and contact totals on this page are exact for Sydney, over 99 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Sydney, Australia whose business descriptions match “internal communications agencies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 312 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Internal communications agencies by metro in Australia
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “internal communications agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many internal communications agencies are there based in Sydney, Australia?
RevenueBase identified 99 company matches for internal communications agencies associated with Sydney, Australia as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Jimjam Ideas tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in Australia has the most internal communications agencies?
Sydney leads Australia with 99 company records, followed by Melbourne (64) and Brisbane (37).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 312 professional contacts with verified work emails tracked across these 99 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 99 internal communications agencies based in Sydney, Australia. Start with a free account, no credit card.
Download this list →Related lists
Internal communications agencies by geography
- Internal communications agencies based in Buenos Aires, Argentina
- Internal communications agencies based in Brisbane, Australia
- Internal communications agencies based in Melbourne, Australia
- Internal communications agencies based in Belo Horizonte, Brazil
- Internal communications agencies based in Brasilia, Brazil
- Internal communications agencies based in Campinas, Brazil
- Internal communications agencies based in Curitiba, Brazil
- Internal communications agencies based in Porto Alegre, Brazil
- Internal communications agencies based in Recife, Brazil
- Internal communications agencies based in Rio De Janeiro, Brazil
- Internal communications agencies based in Salvador, Brazil
- Internal communications agencies based in Sao Paulo, Brazil
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Internal communications agencies based in Buenos Aires, Argentina
- Internal communications agencies based in Brisbane, Australia
- Internal communications agencies based in Melbourne, Australia
- Internal communications agencies based in Belo Horizonte, Brazil
- Internal communications agencies based in Brasilia, Brazil
- Internal communications agencies based in Campinas, Brazil
Company intelligence · public preview
Top 25 internal communications agencies based in Sydney, Australia
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 99 matching company records for internal communications agencies based in Sydney, Australia, with 1,748 tracked contacts and 312 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 internal communications agencies based in Sydney, Australia
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Jimjam Ideasjimjamideas.comHQ: Sydney, AustraliaReported employees: Not recorded | Sydney, Australia | Not recorded | Exact match | 621 contacts → |
“JIMJAM Ideas is an award winning integrated communications agency that believes CONNECTED IDEAS to be the key to powerful and transformative marketing.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Thrive PR Communicationsthrivepr.com.auHQ: Sydney, AustraliaReported employees: 51-200 | Sydney, Australia | 51-200 | Exact match | 73 contacts → |
“Thrive is the largest independent, Australian-owned public relations agency that exists to help its people, partners and the community grow vigorously, flourish and be successful.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  UMMumm.com.auHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 71 contacts → |
“UMM crafts brand stories to motivate action.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Mango Communicationsthisismango.com.auHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 61 contacts → |
“Mango is a marketing communications agency offering public relations, social media, content creation and experiential expertise.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Mahlabmahlab.coHQ: Sydney, AustraliaReported employees: 51-200 | Sydney, Australia | 51-200 | Exact match | 49 contacts → |
“Mahlab is a business communications house headquartered in Asia Pacific, with almost 30 years’ experience in telling complex stories that create real and positive impact for…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Make IT Happenmih.com.auHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 41 contacts → |
“We’re an independent full service creative and marketing agency based in Sydney specialising in brand, demand and digital communications.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Honnerhonner.com.auHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 36 contacts → |
“Honner, A FINN Partners Company is a specialist communications consultancy for the financial and corporate sectors across Australia and the Asia-Pacific.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Sefiani, Part Of Clarity Globalsefiani.com.auHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 35 contacts → |
“Sefiani is a leading Australian communications agency that has built, enhanced and protected corporate and brand reputations over two decades.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Portobello PRportobellopr.com.auHQ: Sydney, AustraliaReported employees: Not recorded | Sydney, Australia | Not recorded | Exact match | 32 contacts → |
“Portobello is a full service communications agency based in Sydney, Australia.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Essentialessentialmedia.com.auHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 30 contacts → |
“Essential is a strategic communications agency working primarily with member and not-for-profit organisations.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  MGI Entertainmentmgientertainment.comHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 29 contacts → |
“Asia Pacific’s Leading Production, Entertainment & Celebrity Procurement Agency”, The Wall Street Journal MGI Entertainment We create ideas that live at the intersection of…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Weber Shandwick Australiawebershandwick.comHQ: Sydney, AustraliaReported employees: 51-200 | Sydney, Australia | 51-200 | Exact match | 26 contacts → |
“Weber Shandwick is a global in-culture communications agency built to make brave ideas connect with people.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  We ARE Differentwearedifferentpr.com.auHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 22 contacts → |
“Creative work that makes a difference to people's lives.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | The LKB Agencythelkbagency.com.au HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 16 contacts → |
“LKB specialises in strategic communication, community and stakeholder engagement and events.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Zentirzentir.comHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 14 contacts → |
“zentir is an independent, full service creative communications agency.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  CUBEcube.com.auHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 14 contacts → |
“Cube is an award winning, specialist communications agency that has excelled in the healthcare space for over twenty years in Australia.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Dialoguedialoguepr.com.auHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 13 contacts → |
“Dialogue is one of Australia’s leading boutique communications agencies, specialising in consumer and lifestyle brands.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Wilkinson Groupwilkinson-group.com.auHQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 12 contacts → |
“Wilkinson Group is a Sydney communications agency, specialising in crisis PR.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  VIA Groupwearevia.comHQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 11 contacts → |
“Via is an integrated communications and marketing agency that helps ambitious businesses navigate complexity, ignite connections and drive commercial value across Asia Pacific and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Zadro Agencyzadroagency.com.auHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 11 contacts → |
“Zadro is a strategic brand and communications agency that becomes a trusted ally who is just as invested in your success as you are.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  The Media Precinctmediaprecinct.com.auHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 8 contacts → |
“Clients today have multiple agency partners, so it’s important that their agencies all work hard and have a single focus on their client.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  It's Fridayitsfriday.com.auHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 8 contacts → |
“It's Friday is an independently owned creative agency based in Sydney.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  RES Publicarespublica.com.auHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 8 contacts → |
“Founded in 2003, Res Publica is a full-service communication consultancy spanning government, corporate, financial, consumer, community and organisational offerings.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Brightusbrightus.com.auHQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 8 contacts → |
“Brightus is a technology-focused communications agency offering a full range of digital and traditional services to assist your organisation communicate to its stakeholders and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Left Field Communicationsleftfield.com.auHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 7 contacts → |
“Strategic.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 99 company matches
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Internal communications agencies: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
99 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole Australia list rather than for Sydney, so it is reported there. Company counts and contact totals on this page are exact for Sydney, over 99 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Internal communications agencies by metro in Australia
Questions about this company list
What does Exact match mean for internal communications agencies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many internal communications agencies did RevenueBase find based in Sydney, Australia?
The saved snapshot records 99 matching company records, 1,748 tracked contacts and 312 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Internal communications agencies by geography
- Internal communications agencies based in Buenos Aires, Argentina
- Internal communications agencies based in Brisbane, Australia
- Internal communications agencies based in Melbourne, Australia
- Internal communications agencies based in Belo Horizonte, Brazil
- Internal communications agencies based in Brasilia, Brazil
- Internal communications agencies based in Campinas, Brazil
- Internal communications agencies based in Curitiba, Brazil
- Internal communications agencies based in Porto Alegre, Brazil
- Internal communications agencies based in Recife, Brazil
- Internal communications agencies based in Rio De Janeiro, Brazil
- Internal communications agencies based in Salvador, Brazil
- Internal communications agencies based in Sao Paulo, Brazil
Cite this list
RevenueBase Data Team. Top 25 internal communications agencies based in Sydney, Australia. Snapshot: September 20, 2026. https://revenuebase.ai/companies/internal-communications-agencies/australia/sydney.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Internal communications agencies based in Buenos Aires, Argentina
- Internal communications agencies based in Brisbane, Australia
- Internal communications agencies based in Melbourne, Australia
- Internal communications agencies based in Belo Horizonte, Brazil
- Internal communications agencies based in Brasilia, Brazil
- Internal communications agencies based in Campinas, Brazil
Company intelligence · public preview
Top 25 internal communications agencies based in Sydney, Australia
RevenueBase records 99 matching company records for internal communications agencies based in Sydney, Australia, with 1,748 tracked contacts and 312 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 internal communications agencies based in Sydney, Australia
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Jimjam Ideasjimjamideas.com HQ: Sydney, AustraliaReported employees: Not recorded | Sydney, Australia | Not recorded | Exact match | 621 contacts → |
“JIMJAM Ideas is an award winning integrated communications agency that believes CONNECTED IDEAS to be the key to powerful and transformative marketing.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Thrive PR Communicationsthrivepr.com.au HQ: Sydney, AustraliaReported employees: 51-200 | Sydney, Australia | 51-200 | Exact match | 73 contacts → |
“Thrive is the largest independent, Australian-owned public relations agency that exists to help its people, partners and the community grow vigorously, flourish and be successful.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | UMMumm.com.au HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 71 contacts → |
“UMM crafts brand stories to motivate action.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Mango Communicationsthisismango.com.au HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 61 contacts → |
“Mango is a marketing communications agency offering public relations, social media, content creation and experiential expertise.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Mahlabmahlab.co HQ: Sydney, AustraliaReported employees: 51-200 | Sydney, Australia | 51-200 | Exact match | 49 contacts → |
“Mahlab is a business communications house headquartered in Asia Pacific, with almost 30 years’ experience in telling complex stories that create real and positive impact for…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Make IT Happenmih.com.au HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 41 contacts → |
“We’re an independent full service creative and marketing agency based in Sydney specialising in brand, demand and digital communications.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Honnerhonner.com.au HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 36 contacts → |
“Honner, A FINN Partners Company is a specialist communications consultancy for the financial and corporate sectors across Australia and the Asia-Pacific.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Sefiani, Part Of Clarity Globalsefiani.com.au HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 35 contacts → |
“Sefiani is a leading Australian communications agency that has built, enhanced and protected corporate and brand reputations over two decades.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Portobello PRportobellopr.com.au HQ: Sydney, AustraliaReported employees: Not recorded | Sydney, Australia | Not recorded | Exact match | 32 contacts → |
“Portobello is a full service communications agency based in Sydney, Australia.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Essentialessentialmedia.com.au HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 30 contacts → |
“Essential is a strategic communications agency working primarily with member and not-for-profit organisations.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | MGI Entertainmentmgientertainment.com HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 29 contacts → |
“Asia Pacific’s Leading Production, Entertainment & Celebrity Procurement Agency”, The Wall Street Journal MGI Entertainment We create ideas that live at the intersection of…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Weber Shandwick Australiawebershandwick.com HQ: Sydney, AustraliaReported employees: 51-200 | Sydney, Australia | 51-200 | Exact match | 26 contacts → |
“Weber Shandwick is a global in-culture communications agency built to make brave ideas connect with people.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | We ARE Differentwearedifferentpr.com.au HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 22 contacts → |
“Creative work that makes a difference to people's lives.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | The LKB Agencythelkbagency.com.au HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 16 contacts → |
“LKB specialises in strategic communication, community and stakeholder engagement and events.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Zentirzentir.com HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 14 contacts → |
“zentir is an independent, full service creative communications agency.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | CUBEcube.com.au HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 14 contacts → |
“Cube is an award winning, specialist communications agency that has excelled in the healthcare space for over twenty years in Australia.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Dialoguedialoguepr.com.au HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 13 contacts → |
“Dialogue is one of Australia’s leading boutique communications agencies, specialising in consumer and lifestyle brands.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Wilkinson Groupwilkinson-group.com.au HQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 12 contacts → |
“Wilkinson Group is a Sydney communications agency, specialising in crisis PR.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | VIA Groupwearevia.com HQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 11 contacts → |
“Via is an integrated communications and marketing agency that helps ambitious businesses navigate complexity, ignite connections and drive commercial value across Asia Pacific and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Zadro Agencyzadroagency.com.au HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 11 contacts → |
“Zadro is a strategic brand and communications agency that becomes a trusted ally who is just as invested in your success as you are.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | The Media Precinctmediaprecinct.com.au HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 8 contacts → |
“Clients today have multiple agency partners, so it’s important that their agencies all work hard and have a single focus on their client.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | It's Fridayitsfriday.com.au HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 8 contacts → |
“It's Friday is an independently owned creative agency based in Sydney.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | RES Publicarespublica.com.au HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 8 contacts → |
“Founded in 2003, Res Publica is a full-service communication consultancy spanning government, corporate, financial, consumer, community and organisational offerings.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Brightusbrightus.com.au HQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 8 contacts → |
“Brightus is a technology-focused communications agency offering a full range of digital and traditional services to assist your organisation communicate to its stakeholders and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Left Field Communicationsleftfield.com.au HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 7 contacts → |
“Strategic.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 99 company matches
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Internal communications agencies: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
99 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole Australia list rather than for Sydney, so it is reported there. Company counts and contact totals on this page are exact for Sydney, over 99 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Internal communications agencies by metro in Australia
Questions about this company list
What does Exact match mean for internal communications agencies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many internal communications agencies did RevenueBase find based in Sydney, Australia?
The saved snapshot records 99 matching company records, 1,748 tracked contacts and 312 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Internal communications agencies by geography
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- Internal communications agencies based in Campinas, Brazil
- Internal communications agencies based in Curitiba, Brazil
- Internal communications agencies based in Porto Alegre, Brazil
- Internal communications agencies based in Recife, Brazil
- Internal communications agencies based in Rio De Janeiro, Brazil
- Internal communications agencies based in Salvador, Brazil
- Internal communications agencies based in Sao Paulo, Brazil
Cite this list
RevenueBase Data Team. Top 25 internal communications agencies based in Sydney, Australia. Snapshot: September 20, 2026. https://revenuebase.ai/companies/internal-communications-agencies/australia/sydney.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Internal communications agencies based in Buenos Aires, Argentina
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