How to join
Become a member
As a member, you can benefit from the collective experience and interests of our member community comprised of 142,000+ professionals within 800+ market-leading communications services providers, technology suppliers, and global enterprises. All employees of your company automatically gain access to the many benefits.
If you would like to speak to a member of our team about becoming a member, please fill out this short form and we will call you back.
Membership fees
Our membership categories are based on your company’s total annual revenues reported in your last fiscal year. The table below indicates the appropriate membership category and annual membership fee based on these revenues.
Annual Membership Fees*
* Please note that there is a one-time 20% onboarding fee for new members.
** Subsidiaries of current Corporate Members may qualify for subsidiary annual membership fees.
TM Forum member by-laws are available here
| Category | Annual Revenue Band | FY 2025-26 |
|---|---|---|
| Corporate A1: | annual revenues > $40 billion USD | $190,750 |
| Corporate A2: | annual revenues - $25 billion to $40 billion USD | $128,200 |
| Corporate A3: | annual revenues - $10 billion to $25 billion USD | $76,850 |
| Corporate B1: | annual revenues - $1 billion to $10 billion USD | $60,950 |
| Corporate B2: | annual revenues - $100 million to $1 billion USD | $47,450 |
| Corporate C: | annual revenues - $25 million to $100 million USD | $23,850 |
| Corporate D: | annual revenues - $1 million to $25 million USD | $11,150 |
Talk to us about membership
Please contact us using the form above and we will call you back.