Where are the NPC traders in Pokemon Sword/Shield and what do they offer?

In each Pokemon game I usually make a point of trading with each NPC that offers one.

Where are the traders in Sword/Shield? Which Pokemon do they offer and what do they want in return?

There are plenty of trades to perform in Sword/Shield! Here's the ones I've been able to find, as well as some from other sources

Both Games:

These trades are available in both games:

1. Bunnelby → Skwovet ♂ (Motostoke Pokemon Center)
   _{Nickname: Cheekers, Level: 10, Nature: Mild, Ability: Cheek Pouch, Held Item: Oran Berry, Dynamax: 1}

   • Tackle
   • Tail Whip
   • Bite
   • Stuff Cheeks

2. Meowth (Galar) → Meowth (Kanto) ♂ (Turrfield Gym)
   _{Nickname: Cash, Level: 18, Nature: Timid, Ability: Technician, Held Item: Sitrus Berry, Dynamax: 1}

   • Scratch
   • Pay Day
   • Bite
   • Last Resort

3. Minccino → Cottonee ♀ (Hulbury Market)
   _{Nickname: Candyfloss, Level: 23, Nature: Modest, Ability: Prankster, Held Item: None, Dynamax: 1}

   • Mega Drain
   • Razor Leaf
   • Growth
   • Last Resort

4. Toxel → Togepi ♀ (Hammerlocke - Outside Vault)
   _{Nickname: Snips, Level: 25, Nature: Timid, Ability: Serene Grace, Held Item: None, Dynamax: 1}

   • Ancient Power
   • Yawn
   • Metronome
   • Life Dew

5. Yamask (Galar) → Yamask (Unova) ♂ (Ballonlea Gym)
   _{Nickname: Masky, Level: 36, Nature: Bold, Ability: Mummy, Held Item: None, Dynamax: 2}

   • Hex
   • Mean Look
   • Grudge
   • Will-O-Wisp

6. Obstagoon → Mr. Mime (Kanto) ♂ (Spikemuth - Near battle area)
   _{Nickname: Mymo, Level: 40, Nature: Calm, Ability: Soundproof, Held Item: None, Dynamax: 1}

   • Light Screen
   • Reflect
   • Safeguard
   • Sucker Punch

7. Frosmoth → Duraludon ♂ (Wyndon - 4th house down from the stadium)
   _{Nickname: Linear, Level: 50, Nature: Adamant, Ability: Heavy Metal, Held Item: None, Dynamax: 3}

   • Iron Defense
   • Laser Focus
   • Dragon Claw
   • Night Slash

Version-Exclusive Trades:

These trades are exclusive to either Sword or Shield as noted below:

1. (Sword) Maractus → Hatenna ♀ (Stow-on-Side - Top of leftmost building)
   _{Nickname: Fringe, Level: 30, Nature: Quiet, Ability: Anticipation, Held Item: None, Dynamax: 1}

   • Aromatherapy
   • Psybeam
   • Heal Pulse
   • Dazzling Gleam

2. (Shield) Maractus → Impidimp ♂ (Stow-on-Side - Top of leftmost building)
   _{Nickname: Peepers, Level: 30, Nature: Random, Ability: Anticipation, Held Item: None, Dynamax: 1}

   • Assurance
   • Swagger
   • Sucker Punch
   • Torment

3. (Sword) Vanillish → Throh ♂ (Circhester - Ice cream stall)
   _{Nickname: Reddos, Level: 37, Nature: Adamant, Ability: Inner Focus, Held Item: None, Dynamax: 2}

   • Revenge
   • Bulk Up
   • Storm Throw
   • Vital Throw

4. (Shield) Vanillish → Sawk ♂ (Circhester - Ice cream stall)
   _{Nickname: Bluebop, Level: 37, Nature: Adamant, Ability: Inner Focus, Held Item: None, Dynamax: 2}

   • Low Sweep
   • Bulk Up
   • Retaliate
   • Brick Break

Sources for the ones I was unable to find originally:

• Serebii (Version exclusive differences for Shield)
• IGN