
Fresh Oily Fish
Our oily fish range is sourced from Scottish and North Atlantic waters — mackerel, herring, sprats and squid caught seasonally from some of the most productive fishing grounds in the world.
Scottish oily fish is at its best when it's fresh and in season. Mackerel fat with summer feeding, herring at their peak before spawning, sprats running through autumn — buying in season from a supplier who sources daily from Peterhead and our own Buckie landings means you're getting oily fish in genuine peak condition, not held in depot storage.
The fish we supply is processed by MSC-certified suppliers — meaning the seafood that reaches your kitchen carries full traceability and meets the Marine Stewardship Council's standards for responsible sourcing.
Why Businesses Choose Clark Seafoods
Scottish oily fish is highly seasonal — mackerel is at its best through summer and autumn, herring has its peak runs, sprats come through in autumn. A supplier who buys from Peterhead market daily and sources from Shetland landings knows what's running well that week and what isn't. We don't sell oily fish that's past its best because we know the difference — and after 50 years in the Scottish seafood trade, so do our customers.
We deliver oily fish to restaurants, hotels, fishmongers and caterers across the Highlands, Moray Coast, North Scotland and the West Coast on established routes, alongside your regular white fish and shellfish order. No separate delivery, no minimum order just for oily fish.
Reliable daily supply
Competitive wholesale pricing
Flexible ordering – no contracts
Fast Scotland-wide delivery
Over 50 years industry experience
FAQs
What oily fish do you supply wholesale?
Our oily fish range covers mackerel, herring, sprats, squid, sea bass and sea bream. Availability is seasonal — mackerel and herring in particular are at their best in summer and autumn. Contact us or check Today's Availability for current stock.
Is Scottish mackerel in season year round?
Scottish mackerel is available through most of the year but is at its best from late spring through to autumn when the fish are feeding actively and building condition. Winter mackerel is leaner. We advise on current availability and quality when you order.
Do you supply squid from Scottish waters?
Yes — we source squid from Peterhead and Shetland landings. Scottish squid is available seasonally and is of excellent quality from the cold, clean North Atlantic waters. Contact us for current availability.
Can you supply oily fish to the Highlands and Islands?
Yes — oily fish delivery is available across the Highlands, Moray Coast, North Scotland, Western Isles and West Coast on our established routes. Remote and island locations are part of our core delivery network.
Do you supply whole herring for fishmonger counters?
Yes — whole herring for fishmonger display and counter sale is available. We can also supply filleted herring depending on current availability. Contact us to discuss your requirements.
How do I open a trade account?
Fill in our short online application. We'll be in touch within 24 hours to discuss your species requirements and delivery schedule.

Trusted by Leading Scottish Food Businesses
We supply a wide range of customers across the food service industry, including:
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Restaurants & Pubs
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Hotels & Resorts
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Caterers & Event Companies
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Fish & Chip Shops
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Food Distributors & Retailers
Wholesale
Access Only
Clark Seafoods supplies trade customers only. We offer a selective account system to ensure the highest level of service and product availability for our partners
1. Apply for an Account
Complete our quick application form with your business details.
2. Get Approved
Our team will review your application and be in touch within 1-2 working days.
3. Start Ordering
Once approved, you'll get access to pricing, availability and expert support.
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