Lore about them

How to sign up to them

Which ones to choose

Which ones to choose together

Lore about them

Syndicates:

Steel Meridian

Red Veil

The Perrin Sequence

New Loka

Arbiters of Hexis

Cephalon Suda

How to sign up to them

In your ship, to the left on the front of your ship, is a machine. You can sign up there… or go to a Relay on planets and walk around and go into their doorways and check out their rooms.

Which ones to choose

Each syndicate gives its own rewards.

Eximus Specters:

Roller (Steel Meridian)

Corrupted Lancer (Arbiters of Hexis)

Shield Osprey (Cephalon Suda)

MOA (The Perrin Sequence)

Charger (Red Veil)

Ancient Healer (New Loka)

Team Bonus Consumables:

Large Team Ammo Restore (Red Veil)

Large Team Energy Restore (The Perrin Sequence and Arbiters of Hexis)

Large Team Heal Restore (New Loka and Steel Meridian)

Large Team Shield Restore (Cephalon Suda)

Weapon Augment Mods:

Blast, 25% health restore, +15% base armor (Steel Meridian)

Gas, 25% health restore, 25% parkour maneuvers boost (Arbiters of Hexis)

Magnetic, 25% energy restore, 25% base energy (Cephalon Suda)

Radiation, 25% shield restore, 50% base shields (The Perrin Sequence)

Viral, 25% energy restore, 10% base movement speed (Red Veil)

Corrosive, 25% health restore, 25% base health (New Loka)

Augment Mods:

Steel Meridian: Atlas, Ember, Excalibur, Frost, Khora,  Mesa, Nezha, Nidus, Nova, Oberon, Rhino, and  Saryn.

Arbiters of Hexis: Ash, Equinox, Excalibur, Gara,  Harrow, Inaros, Limbo, Loki, Mirage, Nyx, Volt, and  Wukong.

Cephalon Suda: Banshee, Chroma,  Frost, Hydroid, Ivara, Limbo, Mirage, Nezha, Nova, Octavia and Vauban.

The Perrin Sequence: Banshee, Chroma, Inaros, Ivara, Mag, Nekros, Nidus,  Rhino, Trinity, Valkyr, and Vauban.

Red Veil: Ash, Atlas, Ember, Harrow, Khora, Loki, Mesa, Nekros, Saryn, Titania, Volt, and Zephyr.

New Loka: Equinox, Gara,  Hydroid, Mag, Nyx, Oberon,  Octavia,  Titania, Trinity, Valkyr, Wukong, and  Zephyr.

Syndicate Weapons:

Steel Meridian:

Vaykor Hek

Vaykor Marelok

Vaykor Sydon

Arbiters of Hexis:

Telos Boltor

Telos Akbolto

Telos Boltace

Cephalon Suda:

Synoid Simulor

Synoid Gammacor

Synoid Heliocor

The Perrin Sequence:

Secura Penta

Secura Dual Cestra

Secura Lecta

Red Veil:

Rakta Cernos

Rakta Ballistica

Rakta Dark Dagger

New Loka:

Sancti Tigris

Sancti Castanas

Sancti Magistar

Syandanas:

Vaykor Syandana (Steel Meridian)

Telos Syandana (Arbiters of Hexis)

Synoid Syandana (Cephalon Suda)

Secura Syandana (The Perrin Sequence)

Asita Rakta Syandana (Red Veil)

Sancti Syandana (New Loka)

Celestia Syandana (Conclave – other faction)

Which ones to choose together

First and Second Syndicates

These are friendly syndicates, Steel Meridian and Red Veil.

These are friendly syndicates, The Perrin Sequence and New Loka.

These are friendly syndicates, Arbiters of Hexis and Cephalon Suda.

Third and Fourth Syndicates

The Perrin Sequence and New Loka

If you chose The Perrin Sequence and New Loka as your first two factions.

Main route:

There is no mention of either opposed or enemy in either faction being Red Veil.

When you do reputation missions with Red Veil, you will passively get reputation in Steel Meridian.

Avoid doing Steel Meridian specific missions due to losing reputation in your main two reputations, but you will passively gain this fourth reputation through just doing your third syndicate missions.

Alternative route:

It’s unwise to choose Steel Meridian because it is also an Enemy, so you choose Arbiters of Hexis which is a neutral faction.

There is no mention of New Loka or The Perrin Sequence being an Enemy, so you won’t lose heavy reputation with your main factions. Then you can also pick its Allied syndicate Cephalon Suda, which you will passively gain reputation in, every time you gain The Perrin Sequence reputation.

This fourth reputation will make you lose reputation in New Loka, so level up this reputation first.

Arbiters of Hexis and Cephalon Suda

If you chose Arbiters of Hexis and Cephalon Suda as your first two factions.

Main route:

There is no mention of either opposed or enemy in either faction being Steel Meridian.

When you do reputation missions with Steel Meridian, you will passively get reputation in Red Veil.

Avoid doing Red Veil specific missions due to losing reputation in your main two reputations, but you will passively gain this fourth reputation through just doing your third syndicate missions.

Alternative route:

It’s unwise to choose Red Veil because it is also an Enemy, so you can choose The Perrin Sequence.

There is no mention of Arbiters of Hexis or Cephalon Suda being an Enemy, so you won’t lose heavy reputation with your main factions. Then you can also pick its Allied syndicate New Loka, which you will passively gain reputation in, every time you gain The Perrin Sequence reputation.

Avoid doing New Loka specific missions due to losing reputation in one of your main two reputations, but you will passively gain this fourth reputation through just doing The Perrin Sequence missions.

Steel Meridian and Red Veil

If you chose Steel Meridian and Red Veil as your first two factions.

This is a more complicated reputation. The two choices are between New Loka or Cephalon Suda.

Making it so you can choose a side… either you go towards Arbiters of Hexis and Cephalon Suda… or The Perrin Sequence and New Loka.

Choose a fourth reputation from either Arbiters of Hexis (if you chose Cephalon Suda) or The Perrin Sequence (if you chose New Loka). Either reputation is fine as Red Veil and Steel Meridian are Neutral syndicates.

Start grinding New Loka AFTER finishing the Steel Meridian reputation grind. As you will lose some reputation.

Start grinding Cephalon Suda AFTER finishing the Red Veil reputation grind. As you will lose some reputation.

Avoid doing Arbiters of Hexis specific missions due to losing reputation in Red Veil, but you will passively gain this fourth reputation through just doing Cephalon Suda missions.

Avoid doing The Perrin Sequence specific missions due to losing reputation in Steel Meridian, but you will passively gain this fourth reputation through just doing New Loka missions.

Sources:

Warframe (HOW TO): Run 4 Syndicates at Once